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Batrachochytrium dendrobatidis

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481: 33: 61: 593:, and a terminal plate is present in the transitional zone. An inner ring-like structure attached to the tubules of the flagellar doublets within the transitional zone has been observed in transverse section. No roots associated with the kinetosome have been observed. In many zoospores, the nucleus lies partially within the aggregation of ribosomes and was invariably situated laterally. Small 618: 569:–lipid globule complex. The microbodies closely appose and almost surround four to six lipid globules (three anterior and one to three laterally), some of which appear bound by a cisterna. Some zoospores appear to contain more lipid globules (this may have been a result of a plane-of-sectioning effect, because the globules were often lobed in the zoospores examined). A 1195:. These salamanders have several subspecies, but they share a common trait: toxicity. A 2012 study demonstrated that no alpine salamanders in the area had the disease, despite its prevalence in the area. Alpine salamanders can produce alkaloid products or other toxic peptides that may be protective against microbes. 1084:
was found in all 3 sites with the highest percentage of amphibians positive for the fungus from the forest road (medium impact; 50%), followed by the mountain forest (low impact; 44%) and village (high impact; 36%). Human influence most likely explains detection of the fungus in the medium and high
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fungus has caused the decline of 501 amphibian species—about 6.5 percent of the world known total. Of these, 90 have been entirely wiped out and another 124 species have declined by more than 90 percent, and their odds of the effected species recovering to a healthy population are doubtful. However,
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specimen from 1938. The study also suggests that chytridiomycosis had been a stable infection in southern Africa from 23 years prior to finding any infected outside of Africa. There is more recent information that the species originated on the Korean peninsula and was spread by the trade in frogs.
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that help it digest amphibian cells and use amphibian skin as a nutrient source. Once the zoospore reaches its host, it forms a cyst underneath the surface of the skin, and initiates the reproductive portion of its life cycle. The encysted zoospores develop into zoosporangia, which may produce more
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can grow within a wide temperature range (4-25 °C), with optimal temperatures being between 17 and 25 °C. The wide temperature range for growth, including the ability to survive at 4 °C gives the fungus the ability to overwinter in its hosts, even where temperatures in the aquatic
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often with membrane-bound spheres of ribosomes within the main ribosomal mass. A small spur has been observed, located at the posterior of the cell body, adjacent to the flagellum, but this may be an artifact in the formalin-fixed specimens. The core area of ribosomes is surrounded by a single
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have been performed in various locations across the world, the presence of the fungus in Southeast Asia remains a relatively recent development. The exact process through which the fungus was introduced to Asia is not known, however, as mentioned above, it has been suggested transportation of
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on local amphibian populations in 3 different areas in relation to human interaction: low (an isolated forest atop a mountain people rarely visit), medium (a forest road ~15 km from a village that is used at least once a week), and high (a small village where humans interact with their
1130:, ulcers, and most prominently the change in osmotic regulation often leading to cardiac arrest. The death toll on amphibians is dependent on a variety of factors but most crucially on the intensity of infection. Certain frogs adopt skin sloughing as a defense mechanism for 1134:; however, this is not always effective, as mortality fluctuates between species. For example, the Fletcher frog, despite practising skin sloughing, suffers from a particularly high mortality rate when infected with the disease compared to similar species like 1735:"McMahon, Taegan A. et al "Chytrid fungus Batrachochytrium dendrobatidis has nonamphibian hosts and releases chemicals that cause pathology in the absence of infection." Proceedings of the National Academy of Sciences 110.1 (2013): 210-215. Web. 01 Nov. 2020" 1043:
where new species of frogs, toads, and other amphibians and reptiles are being discovered on a frequent basis. Scientists simultaneously are swabbing herpetofauna in order to determine if these newly discovered animals possess traces of the fungus.
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can be introduced to an amphibian primarily through water exposure, colonizing the digits and ventral surfaces of the animal's body most heavily and spreading throughout the body as the animal matures. Potential effects of this pathogen are
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through chytridiomycosis, the fungus existed on the amphibians as spherical, unicellular organisms, confined to minute patches (80–120 micrometers across). These organisms, unknown at the time, were subsequently identified as
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Lambert, Max R.; Womack, Molly C.; Byrne, Allison Q.; Hernández-Gómez, Obed; Noss, Clay F.; Rothstein, Andrew P.; Blackburn, David C.; Collins, James P.; Crump, Martha L.; Koo, Michelle S.; Nanjappa, Priya (2020-03-20).
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The fungal pathogens that cause the disease chytridiomycosis are known to damage the skin of frogs, toads, and other amphibians, disrupting their balance of water and salt and eventually causing heart failure,
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Voyles J, Young S, Berger L, Campbell C, Voyles WF, Dinudom A, Cook D, Webb R, Alford RA, Skerratt LF, Speare R (2009). "Pathogenesis of chytridiomycosis, a cause of catastrophic amphibian declines".
1089:. This may go unanswered until more research is performed on transmission of the fungus across landscapes. However, recent evidence suggests mosquitoes may be a possible vector which may help spread 645:
released from the zoosporangium. The zoospores are known to be active only for a short period of time, and can travel short distances of one to two centimeters. However, the zoospores are capable of
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The fungus grows on amphibian skin and produces aquatic zoospores. It is widespread and ranges from lowland forests to cold mountain tops. It is sometimes a non-lethal
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Berger L, Speare R, Daszak P, Green DE, Cunningham AA, Goggin CL, Slocombe R, Ragan MA, Hyatt AD, McDonald KR, Hines HB, Lips KR, Marantelli G, Parkes H (July 1998).
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Martel, A.; Spitzen-van der Sluijs, A.; Blooi, M.; Bert, W.; Ducatelle, R.; Fisher, M. C.; Woeltjes, A.; Bosman, W.; Chiers, K.; Bossuyt, F.; Pasmans, F. (2013).
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zoospores that can reinfect the host, or be released into the surrounding aquatic environment. The amphibians infected with these zoospores are shown to die from
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McMahon, T. A.; Brannelly, L. A.; Chatfield, M. W.; Johnson, P. T.; Joseph, M. B.; McKenzie, V. J.; Richards-Zawacki, C. L.; Venesky, M. D.; Rohr, J. R. (2013).
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Some amphibian species have been found to adapt to infection after an initial die-off with survival rates of infected and non-infected individuals being equal.
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environments are low. The species does not grow well above temperatures of 25 °C, and growth is halted above 28 °C. Infected red-eyed treefrogs (
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Yang H; H. Baek; R. Speare; R. Webb; S. Park; T. Kim; K.C. Lasat er; S. Shin; S. Son; J. Park; M. Min; Y. Kim; K. Na; H. Lee & S. Park (2008).
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R, Lötters, S Kielgast, J Sztatecsny, M Wagner, N Schulte, U Werner, P Rödder, D Dambach, J Reissner, T Hochkirch, A Schmidt, B (2012-04-30).
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may also be spread in the environment by birds and transportation of soils. Infections have been linked to mass mortalities of amphibians in
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kills this frog by interfering with external water exchange thereby causing an imbalance with ion exchange which leads to heart failure.
1237:"Chytridiomycosis causes amphibian mortality associated with population declines in the rain forests of Australia and Central America" 3331:
DiRenzo, Graziella; Zipkin, Elise; Grant, Evan Campbell; Royle, J. Andrew; Longo, Ana; Zamudio, Kelly; Lips, Karen (3 October 2018).
335: 283: 775:. The fungus is associated with host mortality in highlands or during winter, and becomes more pathogenic at lower temperatures. 4073: 3921: 1209: 813:, previously collected from 1879 to 1999 in southern Africa, were examined. The earliest case of chytridiomycosis was found in a 326: 353:
reports. Some amphibian species appear to have an innate capacity to withstand chytridiomycosis infection due to symbiosis with
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in China: discovery of chytridiomycosis in introduced American bullfrogs and native amphibians in the Yunnan Province, China".
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has occasionally been found in forms distinct from its traditional zoospore and sporangia stages. For example, before the
3999: 3381: 484: 827:), also widely distributed, are also thought to be carriers of the disease due to their inherent low susceptibility to 3960: 2149:
Daszak P, Strieby A, Cunningham AA, Longcore JE, Brown CC, Porter D (2004). "Experimental evidence that the bullfrog (
755:. Characteristics of the organisms were suggestive of encysted zoospores; they may have embodied a resting spore, a 2365:
Schloegel LM, Hero JM, Berger L, Speare R, McDonald K, Daszak P (2006). "The decline of the sharp-snouted day frog (
359:. Even within species that generally succumb, some populations survive, possibly demonstrating that these traits or 4017: 3794: 3624:"A salamander's toxic arsenal: review of skin poison diversity and function in true salamanders, genus Salamandra" 355: 4078: 4068: 3268:"Body size influences energetic and osmoregulatory costs in frogs infected with Batrachochytrium dendrobatidis" 2928:
McLeod DS, Sheridan JA, Jiraungkoorskul W, Khonsue W (2008). "A survey for chytrid fungus in Thai amphibians".
930: 869: 954: 2102:"Alien predators and amphibian declines: review of two decades of science and the transition to conservation" 4083: 3518:
Absence of infection with the amphibian chytrid fungus in the terrestrial Alpine salamander, Salamandra atra
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among their amphibian populations. Much effort has been put into classifying herpetofauna in countries like
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Another study in French Guiana reports widespread infection, with 8 of 11 sites sampled being positive for
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areas, however it does not provide an adequate explanation why even isolated amphibians were positive for
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Lips KR (1999). "Mass mortality and population declines of anurans at an upland site in western Panama".
649:, and can move towards a variety of molecules that are present on the amphibian surface, such as sugars, 122: 3788: 936: 888: 558: 155: 2846: 1494:
Garner TW, Perkins MW, Govindarajulu P, Seglie D, Walker S, Cunningham AA, Fisher MC (September 2006).
132: 4027: 3900: 3882: 3806: 3635: 3470: 3344: 3279: 3183: 3172:"Pathogen load predicts host functional disruption: A meta-analysis of an amphibian fungal panzootic" 3100: 2279: 2229: 2113: 2068: 1982: 1886: 1691: 1445: 1248: 1167: 1071:). Another study in Cambodia questioned the potential anthropological impact in the dissemination of 1056: 948: 882: 2711:"Survey of Turkey's endemic amphibians for chytrid fungus Batrachochytrium dendrobatidis, in Turkey" 2383: 630:. The arrows indicate discharge tubes through which zoospores exit the host cell. Scale bar = 35 μm. 3991: 2800:
Rowley J, Chan SK, Tang WS, Speare R, Skerratt LF, Alford RA, Cheung KS, Ho CY, Campbell R (2007).
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is derived from the genus of frogs from which the original confirmation of pathogenicity was made (
364: 330: 32: 3667: 3604: 3559:"Toxin variation among salamander populations: discussing potential causes and future directions" 3557:
DE MEESTER, Gilles; ŠUNJE, Emina; PRINSEN, Els; VERBRUGGEN, Erik; VAN DAMME, Raoul (2020-10-13).
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Daszak P, Cuningham AA, Hyatt AD (2003). "Infection disease and amphibian population declines".
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Worldwide amphibian populations have been on a steady decline due to an increase in the disease
999:, the American Bullfrog) may be a key component in the dissemination of the fungus, at least in 420:. The initial classification of the pathogen as a chytrid was based on zoospore ultrastructure. 3952: 4035: 3869: 3766: 3719: 3659: 3651: 3596: 3588: 3522: 3486: 3439: 3431: 3410:"Comment on "Amphibian fungal panzootic causes catastrophic and ongoing loss of biodiversity"" 3362: 3313: 3295: 3248: 3240: 3199: 3128: 3023: 2974: 2910: 2871: 2827: 2774: 2735: 2691: 2554: 2472: 2369:): the first documented case of extinction by infection in a free-ranging wildlife species?". 2347: 2202: 2076: 2050: 1902: 1859: 1818: 1766: 1707: 1664: 1611: 1590:
Symonds EP, Trott DJ, Bird PS, Mills P (2008). "Growth characteristics and enzyme activity in
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Moss AS, Reddy NS, Dortaj IM, San Francisco MJ (2008). "Chemotaxis of the amphibian pathogen
1003:. Initial studies demonstrated the presence of the fungus on island states/countries such as 4040: 3756: 3748: 3709: 3701: 3643: 3578: 3570: 3478: 3421: 3352: 3303: 3287: 3230: 3191: 3118: 3108: 3013: 2964: 2902: 2861: 2817: 2766: 2725: 2710: 2681: 2546: 2507: 2462: 2388: 2337: 2287: 2237: 2192: 2121: 2040: 2032: 1990: 1945: 1894: 1849: 1802: 1756: 1746: 1699: 1654: 1603: 1564: 1523: 1515: 1463: 1453: 1405: 1397: 1359: 1307: 1266: 1256: 1204: 1110: 1077: 1060: 924: 906: 876:
A wide variety of amphibian hosts have been identified as being susceptible to infection by
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Wu, Nicholas C.; Cramp, Rebecca L.; Ohmer, Michel E. B.; Franklin, Craig E. (2019-01-27).
918: 852: 725: 626: 598: 92: 2153:) is a potential carrier of chytridiomycosis, an emerging fungal disease of amphibians". 835:
populations where it may introduce the disease to new areas. It has also been shown that
3639: 3474: 3348: 3283: 3187: 3104: 2906: 2660:
Bovero S, Sotgiu G, Angelini C, Doglio S, Gazzaniga E, Cunningham AA, Garner TW (2008).
2283: 2233: 2117: 1986: 1890: 1695: 1449: 1252: 3895: 3812: 3761: 3732: 3714: 3689: 3308: 3267: 3123: 3088: 2045: 2020: 1761: 1734: 1528: 1495: 1468: 1429: 1410: 1385: 1123: 671: 605:, which often contain a small number of ribosomes, are densely staining with discoidal 112: 601:
body with stacked cisternae occurred within the cytoplasm outside the ribosomal area.
4057: 3861: 3671: 3608: 3583: 3498: 2291: 2241: 2126: 2101: 1994: 1950: 1929: 1271: 1236: 942: 848: 844: 746: 638: 429: 2786: 2566: 2519: 2400: 2299: 2249: 2135: 2002: 1959: 1719: 3622:
Lüddecke, Tim; Schulz, Stefan; Steinfartz, Sebastian; Vences, Miguel (2018-09-04).
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in free-ranging populations of amphibians on mainland Asia: survey in South Korea"
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was not as primary a driver of amphibian declines as found by the previous study.
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Rosa, Ines Di; Simoncelli, Francesca; Fagotti, Anna; Pascolini, Rita (May 2007).
729:) recovered from their infections when incubated at a temperature of 37 °C. 4004: 3986: 3934: 3459:"Skin defenses of North American salamanders against a deadly salamander fungus" 1187:, or have biological protections against the fungus. One such salamander is the 1127: 1024: 617: 590: 447: 389: 340: 329:
around the world, in a global decline towards multiple extinctions, part of the
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Proceedings of the National Academy of Sciences of the United States of America
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Proceedings of the National Academy of Sciences of the United States of America
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Proceedings of the National Academy of Sciences of the United States of America
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Daszak, Peter; Berger L; Cunningham AA; Hyatt AD; Green DE; Speare R. (1999).
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Mendoza JA, Gaertner JP, Holden J, Forstner MR, Hahn D (2011). "Detection of
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Lovich R, Ryan MJ, Pessier AP, CLaypool B (2008). "Infection with the fungus
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Gaertner JP, Mendoza JA, Forstner MR, Neang T, Hahn D (2011). "Detection of
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in Hong Kong in native amphibians and in the international amphibian trade"
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can survive and grow in moist soil and on bird feathers, suggesting that
768: 666: 642: 594: 554: 549: 464: 425: 1898: 1877:
Di Rosa I, et al. (2007). "The Proximate Cause of Frog Declines?".
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globally infects introduced populations of the North American bullfrog,
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these conclusions were criticized by later studies, which proposed that
3913: 3458: 3235: 3218: 1814: 1371: 1036: 756: 650: 606: 514: 510: 502: 469: 3939: 3516: 3482: 3219:"Epidermal epidemic: unravelling the pathogenesis of chytridiomycosis" 2342: 2321: 2197: 1854: 1837: 1659: 1638: 3978: 3357: 3332: 3266:
Wu, Nicholas C.; Cramp, Rebecca L.; Franklin, Craig E. (2018-02-27).
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Weldon C, du Preez LH, Hyatt AD, Muller R, Spears R (December 2004).
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has been implicated in the extinction of the sharp-snouted day frog (
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growing on a freshwater arthropod (a) and algae (b); scale bars = 30
3818: 3521:. Deutsche Gesellschaft für Herpetologie und Terrarienkunde (DGHT). 2533:
Gaertner JP, Forstner MR, O'Donnell L, Hahn D (2009). "Detection of
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Erismis UC, Konuk M, Yoldas T, Agyar P, Yumuk D, Korcan SE (2014).
1838:"Emerging disease of amphibians cured by elevated body temperature" 2610:
Lehtinen RM, Kam Y-C Richards CL (2008). "Preliminary surveys for
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infection. The bullfrog often escapes captivity and can establish
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Kusrini MD, Skerratt LF, Garland S, Berger L, Endarwin W (2008).
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of a frozen intact zoospore and sporangia of the chytrid fungus (
3690:"Emerging Infectious Diseases and Amphibian Population Declines" 1040: 801:
and subsequently spread to other parts of the world by trade in
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Wei, Y.; K. Xu; D.-Z. Zhu; X.-F. Chen & X.-L. Wang (2010).
2069:"Frog-Killing Fungus Found to Have Origins on Korean Peninsula" 517:
and smooth-walled, roughly spherical, inoperculate (without an
405:, "one who climbs", referring to a genus of poison dart frogs. 2847:"Chytridiomycosis in frogs of Mount Gede Pangrango, Indonesia" 544:
in size, have an elongate–ovoid body with a single, posterior
525:. Each sporangium produces a single tube to discharge spores. 421: 416:
was until recently considered the single species of the genus
3089:"Widespread Occurrence of Bd in French Guiana, South America" 2889:
Fisher MC, Garner TW, Walker SF (2009). "Global emergence of
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Bai, C.; T. W. Garner & Y. Li (2010). "First evidence of
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infection for at least one species. This study suggests that
809:). In this study, 697 archived specimens of three species of 231: 3333:"Eco-evolutionary rescue promotes host–pathogen coexistence" 759:, or a parasitic form of the fungus that is non-pathogenic. 2641:
below sea level in the Coachella Valley, California, USA".
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Piotrowski JS, Annis S, Longcore JE (2004). "Physiology of
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Berger L, Hyatt AD, Speare R, Longcore JE (December 2005).
468:, the formation of colonial thalli with multiple sporangia 266: 260: 254: 242: 228: 210: 204: 192: 2174:"Possible modes of dissemination of the amphibian chytrid 970:). and endemic frog species, the Beysehir frog in Turkey ( 2893:
and amphibian chytridiomycosis inspace, time, and host".
589:. Nine interconnected props attach the kinetosome to the 272: 219: 2422:) from Three National Wildlife Refuges in Alaska, USA". 1930:"Predicting the Distribution of the Amphibian Pathogen 3737:
in Water: Quarantine and Disease Control Implications"
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Courtois EA, Gaucher P, Chave J, Schmeller DS (2015).
2265:"Infectious disease and amphibian population declines" 1434:
sp. nov. causes lethal chytridiomycosis in amphibians"
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to be prevalent throughout the country in areas near
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has two primary life stages: a sessile, reproductive
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has corroborated the view, with the closest match to
284: 275: 245: 216: 207: 195: 1063:(frogs collected from streets around the town), and 1019:. Soon thereafter, mainland Asian countries such as 269: 263: 257: 251: 248: 239: 225: 222: 201: 198: 189: 3831: 2537:in endemic salamander species from Central Texas". 1423: 1421: 236: 213: 3731:Johnson, Megan L.; Speare, Richard (August 2003). 1836:Woodhams DC, Alford RA, Marantelli G (June 2003). 2949:"First detection of the amphibian chytrid fungus 1782: 1780: 548:(19–20 μm long), and possess a core area of 375:The generic name is derived from the Greek words 3045:in frogs from different locations in Cambodia". 2322:"Chytrid fungus parasitizing the wild amphibian 2014: 2012: 1555:and its response to a variety of attractants". 1386:"Etymologia: Batrachochytrium salamandrivorans" 363:of species are being subjected to evolutionary 2447:infection in the mountain yellow-legged frog ( 1489: 1487: 1335: 1333: 1331: 1329: 1183:Some amphibian species are actually immune to 1069:Angkor Centre for Conservation of Biodiversity 3457:Pereira, K. E.; Woodley, S. K. (2021-01-11). 3068:on amphibians in Pursat Province, Cambodia". 1340:Longcore JE, Pessier AP, Nichols DK (1999). " 744:that decimated populations of the water frog 8: 3539:: CS1 maint: multiple names: authors list ( 1639:"Life cycle stages of the amphibian chytrid 1101:is more widespread than previously thought. 339:, also causes chytridiomycosis and death in 2605: 2603: 2443:"Effect of temperature on host response to 1067:(frogs collected from a national preserve: 171:Longcore, Pessier & D.K. Nichols (1999) 3819: 2320:Herrera RA, Steciow MM, Natale GS (2005). 2263:Daszak P, Cunningham AA, Hyatt AD (2003). 31: 20: 3760: 3713: 3582: 3425: 3356: 3307: 3234: 3122: 3112: 3017: 2968: 2865: 2821: 2729: 2685: 2662:"Detection of chytridiomycosis caused by 2466: 2382: 2341: 2196: 2125: 2044: 1949: 1853: 1760: 1750: 1658: 1527: 1467: 1457: 1409: 1270: 1260: 1059:(frogs collected from the local market), 462:primarily in the formation of germ tubes 2490:Byrne MW, Davie EP, Gibbons JW (2008). " 2021:"Origin of the amphibian chytrid fungus" 1348:, a chytrid pathogenic to amphibians". 1296:"The proximate cause of frog declines?" 1227: 892:), the southern two-lined salamander ( 333:. A recently described second species, 3532: 2441:Andre SE, Parker J, Briggs CJ (2008). 2326:(Anura: Leptodactylidae) in Argentina" 763:Habitat and relationship to amphibians 310:, is a fungus that causes the disease 3552: 3550: 3510: 3508: 1791:, a chytrid pathogen of amphibians". 1076:environment on a daily basis). Using 7: 4028:4ee65289-91d2-4025-b3ef-8f7a131e0994 910:), Blanco River Springs Salamander ( 886:), the mountain yellow-legged frog ( 509:. The fungus in the epidermis has a 2907:10.1146/annurev.micro.091208.073435 1099:Bd (Batrachochytrium dendrobatidis) 1027:, and China reported incidences of 2666:in the endangered sardinian newt ( 2172:Johnson ML, Speare R (July 2005). 922:), Jollyville Plateau Salamander ( 472:, and a lower thermal preference. 14: 3382:"The Worst Disease Ever Recorded" 2802:"Survey for the amphibianchytrid 1496:"The emerging amphibian pathogen 1432:Batrachochytrium salamandrivorans 1161:One amphibian in particular that 3002:in Heilongjiang Province, China" 2580:Brodman R, Briggler JT (2008). " 2292:10.1046/j.1472-4642.2003.00016.x 2242:10.1046/j.1523-1739.1999.97185.x 2127:10.1046/j.1472-4642.2003.00013.x 1995:10.1046/j.1472-4642.2003.00016.x 1951:10.1111/j.1744-7429.2005.00028.x 1210:Decline in amphibian populations 958:), the Rio Grande Leopard frog ( 327:devastated amphibian populations 185: 59: 3223:Journal of Experimental Biology 2994:"First Early-spring survey for 2670:), in Southern Sardinia, Italy" 946:), the eastern spadefoot toad ( 540:, which are typically 3–5  321:Since its discovery in 1998 by 3833:Batrachochytrium dendrobatidis 3807:Batrachochytrium dendrobatidis 3795:Batrachochytrium dendrobatidis 3735:Batrachochytrium dendrobatidis 3170:Wu, Nicholas C. (April 2023). 3066:Batrachochytrium dendrobatidis 3043:Batrachochytrium dendrobatidis 2996:Batrachochytrium dendrobatidis 2951:Batrachochytrium dendrobatidis 2891:Batrachochytrium dendrobatidis 2804:Batrachochytrium dendrobatidis 2755:Batrachochytrium dendrobatidis 2664:Batrachochytrium dendrobatidis 2635:Batrachochytrium dendrobatidis 2612:Batrachochytrium dendrobatidis 2582:Batrachochytrium dendrobatidis 2535:Batrachochytrium dendrobatidis 2492:Batrachochytrium dendrobatidis 2445:Batrachochytrium dendrobatidis 2416:Batrachochytrium dendrobatidis 2176:Batrachochytrium dendrobatidis 1789:Batrachochytrium dendrobatidis 1641:Batrachochytrium dendrobatidis 1592:Batrachochytrium dendrobatidis 1553:Batrachochytrium dendrobatidis 1498:Batrachochytrium dendrobatidis 1342:Batrachochytrium Dendrobatidis 1147:Australian National University 1055:(in a village <5 km), 984:While most studies concerning 952:), the southern leopard frog ( 940:), the southern cricket frog ( 916:), Barton Springs Salamander ( 489:Batrachochytrium dendrobatidis 414:Batrachochytrium dendrobatidis 180:Batrachochytrium dendrobatidis 165:Batrachochytrium dendrobatidis 25:Batrachochytrium dendrobatidis 1: 2895:Annual Review of Microbiology 2854:Diseases of Aquatic Organisms 2810:Diseases of Aquatic Organisms 2588:larvae in southern Indiana". 2330:Diseases of Aquatic Organisms 1647:Diseases of Aquatic Organisms 1165:has affected greatly was the 641:and a motile, uniflagellated 3741:Emerging Infectious Diseases 3694:Emerging Infectious Diseases 3114:10.1371/journal.pone.0125128 2718:Journal of Wildlife Diseases 2674:Journal of Wildlife Diseases 2455:Journal of Wildlife Diseases 1145:According to a study by the 1047:In Cambodia, a study showed 624:sporangia in the skin of an 485:Scanning electron micrograph 2930:Raffles Bulletin of Zoology 2272:Diversity and Distributions 2106:Diversity and Distributions 2100:Kats LB, Ferrer RP (2003). 964:), and the Sardinian newt ( 934:, the western chorus frog ( 789:It has been suggested that 661:also contains a variety of 4100: 3292:10.1038/s41598-018-22002-8 2687:10.7589/0090-3558-44.3.712 2468:10.7589/0090-3558-44.3.716 898:), San Marcos Salamander ( 782: 3648:10.1007/s00114-018-1579-4 3584:10067/1718680151162165141 2771:10.1007/s10393-010-0307-0 2551:10.1007/s10393-009-0229-x 2512:10.1656/1528-7092-7.3.551 2393:10.1007/s10393-005-0012-6 1608:10.1007/s11046-008-9135-y 1569:10.3852/mycologia.100.1.1 383:(earthen pot), while the 356:Janthinobacterium lividum 161: 154: 56:Scientific classification 54: 39: 30: 23: 2586:Ambystoma jeffersonianum 955:Lithobates sphenocephala 931:Ambystoma jeffersonianum 880:, including wood frogs ( 870:Taudactylus acutirostris 705:) but not mosquitofish ( 442:was discovered in 2013: 308:amphibian chytrid fungus 4074:Fungi described in 1999 3575:10.1111/1749-4877.12492 3427:10.1126/science.aay1838 3380:Yong, Ed (2019-03-28). 3337:Ecological Applications 3196:10.1111/1365-2435.14245 2668:Euproctus platycephalus 2500:Southeastern Naturalist 2367:Taudactylus acutiostris 2324:Leptodactylus ocellatus 1752:10.1073/pnas.1200592110 1704:10.1126/science.1176765 1459:10.1073/pnas.1307356110 1262:10.1073/pnas.95.15.9031 996:Lithobates catesbeianus 967:Euproctus platycephalus 824:Lithobates catesbeianus 779:Geographic distribution 742:2003 European heat wave 681:also infects crayfish ( 573:has not been observed. 446:, which mainly affects 3753:10.3201/eid0908.030145 3706:10.3201/eid0506.990601 2639:Lithobates berlandieri 2155:Herpetological Journal 2037:10.3201/eid1012.030804 1520:10.1098/rsbl.2006.0494 1502:Lithobates catesbeiana 1402:10.3201/eid2207.ET2207 1396:(7): 1282. July 2016. 993:carrier species (e.g. 973:Pelophylax caralitanus 961:Lithobates berlandieri 631: 495: 438:. A second species of 3789:University of Alabama 3628:The Science of Nature 3070:Herpetological Review 3047:Herpetological Review 2643:Herpetological Review 2616:Herpetological Review 2590:Herpetological Review 2424:Herpetological Review 937:Pseudacris triseriata 904:), Texas Salamander ( 620: 585:lies adjacent to the 559:endoplasmic reticulum 513:bearing a network of 483: 147:B. dendrobatidis 3785:Chytrid Fungi Online 2420:Lithobates sylvatica 2222:Conservation Biology 2025:Emerging Infect. Dis 1168:Lithobates clamitans 1105:Effect on amphibians 949:Scaphiopus holbrooki 883:Lithobates sylvatica 821:American bullfrogs ( 803:African clawed frogs 435:Chytridium confervae 3640:2018SciNa.105...56L 3563:Integrative Zoology 3475:2021AnCon..24..552P 3463:Animal Conservation 3349:2018EcoAp..28.1948D 3284:2018NatSR...8.3739W 3188:2023FuEco..37..900W 3151:www.amphibiaweb.org 3105:2015PLoSO..1025128C 2414:Reeves MK (2008). " 2284:2003DivDi...9..141D 2234:1999ConBi..13..117L 2178:in the environment" 2118:2003DivDi...9...99K 1987:2003DivDi...9..141D 1899:10.1038/nature05941 1891:2007Natur.447....4R 1696:2009Sci...326..582V 1450:2013PNAS..11015325M 1444:(38): 15325–15329. 1312:10.1038/nature05941 1253:1998PNAS...95.9031B 1149:estimates that the 677:Besides amphibians 663:proteolytic enzymes 577:Flagellum structure 565:, and an extensive 456:B. salamandrivorans 444:B. salamandrivorans 397:is from the Greek 336:B. salamandrivorans 331:Holocene extinction 123:Batrachochytriaceae 3420:(6484): eaay1838. 3272:Scientific Reports 3236:10.1242/jeb.191817 3176:Functional Ecology 3147:"Chytridiomycosis" 2449:Lithobates muscosa 2073:The New York Times 1140:Lim. tasmaniensis. 913:Eurycea pterophila 889:Lithobates muscosa 708:Gambusia holbrooki 696:Orconectes virilis 684:Procambarus alleni 632: 529:Zoospore structure 496: 4051: 4050: 4036:Open Tree of Life 3825:Taxon identifiers 3483:10.1111/acv.12666 2496:Eurycea cirrigera 2343:10.3354/dao064247 2198:10.3354/dao065181 1934:in the New World" 1855:10.3354/dao055065 1690:(5952): 582–585. 1660:10.3354/dao068051 1189:alpine salamander 1113:, caused by this 1091:B. dendrobatidis. 895:Eurycea cirrigera 581:A nonfunctioning 300:), also known as 176: 175: 16:Species of fungus 4091: 4044: 4043: 4031: 4030: 4021: 4020: 4008: 4007: 4005:NHMSYS0020774201 3995: 3994: 3982: 3981: 3969: 3968: 3956: 3955: 3943: 3942: 3930: 3929: 3917: 3916: 3904: 3903: 3891: 3890: 3878: 3877: 3865: 3864: 3852: 3851: 3850: 3820: 3774: 3764: 3727: 3717: 3676: 3675: 3619: 3613: 3612: 3586: 3554: 3545: 3544: 3538: 3530: 3512: 3503: 3502: 3454: 3448: 3447: 3429: 3404: 3398: 3397: 3395: 3394: 3377: 3371: 3370: 3360: 3358:10.1002/eap.1792 3343:(8): 1948–1962. 3328: 3322: 3321: 3311: 3263: 3257: 3256: 3238: 3214: 3208: 3207: 3167: 3161: 3160: 3158: 3157: 3143: 3137: 3136: 3126: 3116: 3084: 3078: 3077: 3061: 3055: 3054: 3038: 3032: 3031: 3021: 3019:10.3354/dao02172 2989: 2983: 2982: 2972: 2970:10.3354/dao02098 2944: 2938: 2937: 2925: 2919: 2918: 2886: 2880: 2879: 2869: 2867:10.3354/dao01981 2851: 2842: 2836: 2835: 2825: 2823:10.3354/dao01861 2797: 2791: 2790: 2750: 2744: 2743: 2733: 2731:10.3354/dao02742 2715: 2706: 2700: 2699: 2689: 2657: 2651: 2650: 2637:in a non-native 2630: 2624: 2623: 2607: 2598: 2597: 2577: 2571: 2570: 2530: 2524: 2523: 2487: 2481: 2480: 2470: 2438: 2432: 2431: 2411: 2405: 2404: 2386: 2362: 2356: 2355: 2345: 2317: 2311: 2310: 2308: 2302:. Archived from 2269: 2260: 2254: 2253: 2217: 2211: 2210: 2200: 2182: 2169: 2163: 2162: 2151:Rana catesbeiana 2146: 2140: 2139: 2129: 2097: 2091: 2090: 2088: 2087: 2065: 2059: 2058: 2048: 2016: 2007: 2006: 1970: 1964: 1963: 1953: 1932:B. dendrobatidis 1925: 1919: 1918: 1874: 1868: 1867: 1857: 1833: 1827: 1826: 1784: 1775: 1774: 1764: 1754: 1730: 1724: 1723: 1679: 1673: 1672: 1662: 1634: 1628: 1627: 1587: 1581: 1580: 1548: 1542: 1541: 1531: 1491: 1482: 1481: 1471: 1461: 1425: 1416: 1415: 1413: 1390:Emerg Infect Dis 1382: 1376: 1375: 1337: 1324: 1323: 1291: 1285: 1284: 1274: 1264: 1232: 1205:Pathogenic fungi 1132:B. dendrobatidis 1111:chytridiomycosis 1095:B. dendrobatidis 1087:B. dendrobatidis 1082:B. dendrobatidis 1078:quantitative PCR 1073:B. dendrobatidis 1049:B. dendrobatidis 1029:B. dendrobatidis 986:B. dendrobatidis 925:Eurycea tonkawae 907:Eurycea neotenes 878:B. dendrobatidis 873:) in Australia. 865:B. dendrobatidis 841:B. dendrobatidis 837:B. dendrobatidis 829:B. dendrobatidis 791:B. dendrobatidis 785:Chytridiomycosis 753:B. dendrobatidis 738:B. dendrobatidis 720:B. dendrobatidis 679:B. dendrobatidis 659:B. dendrobatidis 635:B. dendrobatidis 622:B. dendrobatidis 538:B. dendrobatidis 499:B. dendrobatidis 460:B. dendrobatidis 452:chytridiomycosis 450:and also causes 440:Batrachochytrium 424:analysis of the 418:Batrachochytrium 385:specific epithet 312:chytridiomycosis 296: 292: 288: 282: 281: 278: 277: 274: 271: 268: 265: 262: 259: 256: 253: 250: 247: 244: 241: 238: 234: 233: 230: 227: 224: 221: 218: 215: 212: 209: 206: 203: 200: 197: 194: 191: 167: 134:Batrachochytrium 103:Chytridiomycetes 64: 63: 45:B. dendrobatidis 35: 21: 4099: 4098: 4094: 4093: 4092: 4090: 4089: 4088: 4079:Parasitic fungi 4069:Chytridiomycota 4054: 4053: 4052: 4047: 4039: 4034: 4026: 4024: 4016: 4011: 4003: 3998: 3990: 3985: 3977: 3972: 3964: 3959: 3951: 3946: 3938: 3933: 3925: 3920: 3912: 3907: 3899: 3894: 3886: 3881: 3873: 3868: 3860: 3855: 3846: 3845: 3840: 3827: 3781: 3730: 3687: 3684: 3682:Further reading 3679: 3621: 3620: 3616: 3556: 3555: 3548: 3531: 3514: 3513: 3506: 3456: 3455: 3451: 3406: 3405: 3401: 3392: 3390: 3379: 3378: 3374: 3330: 3329: 3325: 3265: 3264: 3260: 3216: 3215: 3211: 3169: 3168: 3164: 3155: 3153: 3145: 3144: 3140: 3099:(4): e0125128. 3086: 3085: 3081: 3063: 3062: 3058: 3040: 3039: 3035: 2991: 2990: 2986: 2946: 2945: 2941: 2927: 2926: 2922: 2888: 2887: 2883: 2849: 2844: 2843: 2839: 2799: 2798: 2794: 2752: 2751: 2747: 2713: 2708: 2707: 2703: 2659: 2658: 2654: 2632: 2631: 2627: 2609: 2608: 2601: 2579: 2578: 2574: 2532: 2531: 2527: 2489: 2488: 2484: 2440: 2439: 2435: 2418:in wood frogs ( 2413: 2412: 2408: 2384:10.1.1.602.3591 2364: 2363: 2359: 2319: 2318: 2314: 2306: 2267: 2262: 2261: 2257: 2219: 2218: 2214: 2185:Dis. Aquat. Org 2180: 2171: 2170: 2166: 2148: 2147: 2143: 2099: 2098: 2094: 2085: 2083: 2067: 2066: 2062: 2018: 2017: 2010: 1975:Divers. Distrib 1972: 1971: 1967: 1928:Ron SR (2005). 1927: 1926: 1922: 1885:(7144): E4–E5. 1876: 1875: 1871: 1842:Dis. Aquat. Org 1835: 1834: 1830: 1807:10.2307/3761981 1786: 1785: 1778: 1732: 1731: 1727: 1681: 1680: 1676: 1636: 1635: 1631: 1589: 1588: 1584: 1550: 1549: 1545: 1508:Biology Letters 1493: 1492: 1485: 1427: 1426: 1419: 1384: 1383: 1379: 1364:10.2307/3761366 1339: 1338: 1327: 1306:(7144): E4–E5. 1293: 1292: 1288: 1234: 1233: 1229: 1225: 1201: 1181: 1107: 982: 919:Eurycea sosorum 853:Central America 787: 781: 771:and possibly a 765: 735: 726:Litoria chloris 717: 627:Atelopus varius 615: 579: 561:, two to three 531: 478: 411: 373: 297:-droh-bə-ty-dis 294: 290: 286: 235: 188: 184: 172: 169: 163: 150: 93:Chytridiomycota 58: 17: 12: 11: 5: 4097: 4095: 4087: 4086: 4084:Fungus species 4081: 4076: 4071: 4066: 4056: 4055: 4049: 4048: 4046: 4045: 4032: 4022: 4009: 3996: 3983: 3970: 3957: 3944: 3931: 3918: 3905: 3892: 3879: 3866: 3853: 3837: 3835: 3829: 3828: 3823: 3817: 3816: 3813:Index Fungorum 3803: 3791: 3780: 3779:External links 3777: 3776: 3775: 3747:(8): 915–921. 3728: 3700:(6): 735–748. 3683: 3680: 3678: 3677: 3614: 3569:(3): 336–353. 3546: 3504: 3469:(4): 552–567. 3449: 3399: 3372: 3323: 3258: 3209: 3182:(4): 900–914. 3162: 3138: 3079: 3056: 3033: 3012:(3): 241–244. 3000:Rana dybowskii 2984: 2939: 2920: 2881: 2860:(3): 187–194. 2837: 2792: 2765:(1): 241–244. 2745: 2724:(2): 153–157. 2701: 2680:(3): 712–715. 2652: 2625: 2599: 2572: 2525: 2506:(3): 551–555. 2494:occurrence in 2482: 2461:(3): 716–720. 2433: 2406: 2357: 2312: 2309:on 2008-12-26. 2255: 2228:(1): 117–125. 2212: 2164: 2141: 2092: 2075:. 2018-05-10. 2060: 2031:(12): 2100–5. 2008: 1981:(2): 141–150. 1965: 1944:(2): 209–221. 1920: 1869: 1828: 1776: 1725: 1674: 1629: 1602:(3): 143–147. 1596:Mycopathologia 1582: 1543: 1514:(3): 455–459. 1483: 1417: 1377: 1358:(2): 219–227. 1325: 1286: 1247:(15): 9031–6. 1226: 1224: 1221: 1220: 1219: 1212: 1207: 1200: 1197: 1180: 1177: 1124:hyperkeratosis 1106: 1103: 1080:, evidence of 981: 980:Southeast Asia 978: 807:Xenopus laevis 793:originated in 783:Main article: 780: 777: 764: 761: 734: 731: 716: 713: 672:cardiac arrest 614: 611: 578: 575: 530: 527: 477: 474: 410: 407: 372: 369: 325:, the disease 174: 173: 170: 159: 158: 152: 151: 144: 142: 138: 137: 130: 126: 125: 120: 116: 115: 113:Rhizophydiales 110: 106: 105: 100: 96: 95: 90: 86: 85: 80: 76: 75: 70: 66: 65: 52: 51: 37: 36: 28: 27: 15: 13: 10: 9: 6: 4: 3: 2: 4096: 4085: 4082: 4080: 4077: 4075: 4072: 4070: 4067: 4065: 4064:Aquatic fungi 4062: 4061: 4059: 4042: 4037: 4033: 4029: 4023: 4019: 4014: 4010: 4006: 4001: 3997: 3993: 3988: 3984: 3980: 3975: 3971: 3967: 3962: 3958: 3954: 3949: 3945: 3941: 3936: 3932: 3928: 3923: 3919: 3915: 3910: 3906: 3902: 3897: 3893: 3889: 3884: 3880: 3876: 3871: 3867: 3863: 3858: 3854: 3849: 3843: 3839: 3838: 3836: 3834: 3830: 3826: 3821: 3815: 3814: 3809: 3808: 3804: 3801: 3797: 3796: 3792: 3790: 3786: 3783: 3782: 3778: 3772: 3768: 3763: 3758: 3754: 3750: 3746: 3742: 3738: 3736: 3733:"Survival of 3729: 3725: 3721: 3716: 3711: 3707: 3703: 3699: 3695: 3691: 3686: 3685: 3681: 3673: 3669: 3665: 3661: 3657: 3653: 3649: 3645: 3641: 3637: 3633: 3629: 3625: 3618: 3615: 3610: 3606: 3602: 3598: 3594: 3590: 3585: 3580: 3576: 3572: 3568: 3564: 3560: 3553: 3551: 3547: 3542: 3536: 3528: 3524: 3520: 3519: 3511: 3509: 3505: 3500: 3496: 3492: 3488: 3484: 3480: 3476: 3472: 3468: 3464: 3460: 3453: 3450: 3445: 3441: 3437: 3433: 3428: 3423: 3419: 3415: 3411: 3403: 3400: 3389: 3388: 3383: 3376: 3373: 3368: 3364: 3359: 3354: 3350: 3346: 3342: 3338: 3334: 3327: 3324: 3319: 3315: 3310: 3305: 3301: 3297: 3293: 3289: 3285: 3281: 3277: 3273: 3269: 3262: 3259: 3254: 3250: 3246: 3242: 3237: 3232: 3228: 3224: 3220: 3213: 3210: 3205: 3201: 3197: 3193: 3189: 3185: 3181: 3177: 3173: 3166: 3163: 3152: 3148: 3142: 3139: 3134: 3130: 3125: 3120: 3115: 3110: 3106: 3102: 3098: 3094: 3090: 3083: 3080: 3075: 3071: 3067: 3060: 3057: 3052: 3048: 3044: 3037: 3034: 3029: 3025: 3020: 3015: 3011: 3007: 3006:Dis Aquat Org 3003: 3001: 2997: 2988: 2985: 2980: 2976: 2971: 2966: 2962: 2958: 2957:Dis Aquat Org 2954: 2952: 2943: 2940: 2935: 2931: 2924: 2921: 2916: 2912: 2908: 2904: 2900: 2896: 2892: 2885: 2882: 2877: 2873: 2868: 2863: 2859: 2855: 2848: 2841: 2838: 2833: 2829: 2824: 2819: 2815: 2811: 2807: 2805: 2796: 2793: 2788: 2784: 2780: 2776: 2772: 2768: 2764: 2760: 2759:Dis Aquat Org 2756: 2749: 2746: 2741: 2737: 2732: 2727: 2723: 2719: 2712: 2705: 2702: 2697: 2693: 2688: 2683: 2679: 2675: 2671: 2669: 2665: 2656: 2653: 2649:(3): 315–317. 2648: 2644: 2640: 2636: 2629: 2626: 2622:(3): 317–318. 2621: 2617: 2613: 2606: 2604: 2600: 2596:(3): 320–321. 2595: 2591: 2587: 2583: 2576: 2573: 2568: 2564: 2560: 2556: 2552: 2548: 2544: 2540: 2536: 2529: 2526: 2521: 2517: 2513: 2509: 2505: 2501: 2497: 2493: 2486: 2483: 2478: 2474: 2469: 2464: 2460: 2456: 2452: 2450: 2446: 2437: 2434: 2429: 2425: 2421: 2417: 2410: 2407: 2402: 2398: 2394: 2390: 2385: 2380: 2376: 2372: 2368: 2361: 2358: 2353: 2349: 2344: 2339: 2336:(3): 247–52. 2335: 2331: 2327: 2325: 2316: 2313: 2305: 2301: 2297: 2293: 2289: 2285: 2281: 2278:(2): 141–50. 2277: 2273: 2266: 2259: 2256: 2251: 2247: 2243: 2239: 2235: 2231: 2227: 2223: 2216: 2213: 2208: 2204: 2199: 2194: 2190: 2186: 2179: 2177: 2168: 2165: 2160: 2156: 2152: 2145: 2142: 2137: 2133: 2128: 2123: 2119: 2115: 2112:(2): 99–110. 2111: 2107: 2103: 2096: 2093: 2082: 2078: 2074: 2070: 2064: 2061: 2056: 2052: 2047: 2042: 2038: 2034: 2030: 2026: 2022: 2015: 2013: 2009: 2004: 2000: 1996: 1992: 1988: 1984: 1980: 1976: 1969: 1966: 1961: 1957: 1952: 1947: 1943: 1939: 1935: 1933: 1924: 1921: 1916: 1912: 1908: 1904: 1900: 1896: 1892: 1888: 1884: 1880: 1873: 1870: 1865: 1861: 1856: 1851: 1847: 1843: 1839: 1832: 1829: 1824: 1820: 1816: 1812: 1808: 1804: 1800: 1796: 1795: 1790: 1783: 1781: 1777: 1772: 1768: 1763: 1758: 1753: 1748: 1744: 1740: 1736: 1729: 1726: 1721: 1717: 1713: 1709: 1705: 1701: 1697: 1693: 1689: 1685: 1678: 1675: 1670: 1666: 1661: 1656: 1652: 1648: 1644: 1642: 1633: 1630: 1625: 1621: 1617: 1613: 1609: 1605: 1601: 1597: 1593: 1586: 1583: 1578: 1574: 1570: 1566: 1562: 1558: 1554: 1547: 1544: 1539: 1535: 1530: 1525: 1521: 1517: 1513: 1509: 1505: 1503: 1499: 1490: 1488: 1484: 1479: 1475: 1470: 1465: 1460: 1455: 1451: 1447: 1443: 1439: 1435: 1433: 1424: 1422: 1418: 1412: 1407: 1403: 1399: 1395: 1391: 1387: 1381: 1378: 1373: 1369: 1365: 1361: 1357: 1353: 1352: 1347: 1343: 1336: 1334: 1332: 1330: 1326: 1321: 1317: 1313: 1309: 1305: 1301: 1297: 1290: 1287: 1282: 1278: 1273: 1268: 1263: 1258: 1254: 1250: 1246: 1242: 1238: 1231: 1228: 1222: 1218: 1217: 1213: 1211: 1208: 1206: 1203: 1202: 1198: 1196: 1194: 1190: 1186: 1178: 1176: 1174: 1170: 1169: 1164: 1159: 1157: 1152: 1148: 1143: 1141: 1137: 1133: 1129: 1125: 1120: 1116: 1112: 1104: 1102: 1100: 1096: 1092: 1088: 1083: 1079: 1074: 1070: 1066: 1062: 1058: 1057:Sihanoukville 1054: 1050: 1045: 1042: 1038: 1034: 1030: 1026: 1022: 1018: 1014: 1010: 1006: 1002: 998: 997: 992: 987: 979: 977: 975: 974: 969: 968: 963: 962: 957: 956: 951: 950: 945: 944: 943:Acris gryllus 939: 938: 933: 932: 927: 926: 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Index


Zoosporangia
μm
Scientific classification
Edit this classification
Eukaryota
Fungi
Chytridiomycota
Chytridiomycetes
Rhizophydiales
Batrachochytriaceae
Batrachochytrium
Binomial name
/bəˌtrkˈkɪtriəmˈdɛndrbətdɪs/
bə-TRAY-koh-KIT-ree-əm DEN-droh-bə-ty-dis
chytridiomycosis
amphibians
Lee Berger
devastated amphibian populations
Holocene extinction
B. salamandrivorans
salamanders
Nature
Janthinobacterium lividum
alleles
selection
specific epithet
Dendrobates
DNA
SSU

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