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205:. The nucleus from the crozier migrates into the basal cell where the other nucleus remains, thus maintaining a dikaryotic state. Below the base of the ascus, these nuclei migrate together into a growing side branch which is capable of repeating the ascus-crozier formation process indefinitely. Mature croziers are detectable through microscopic examination of mature asci as small, curved bridges at the basal septa. A significant minority of Ascomycota lack croziers, hence the presence or absence of croziers is an important
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nucleus migrates into the curved tip while the other compatible haploid nucleus remains in the penultimate space below the hook. The ascus itself forms as a radiating spur branch at the top of the hook. Each
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state of both the ascus itself and of the side branch that will continue propagation of the
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Christian crosier (1260-1286) of the form that is the name-sake of the fungal structure.
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Two rounds of crozier formation, with establishment of a protruding ascus after
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Bennett, Richard J.; Turgeon, B. Gillian (2016-10-14). Heitman, Joseph (ed.).
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hyphae. The tips of developing asci on these ascogenous hyphae curl over. One
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divides, resulting in the formation of a pair of compatible nuclei, i.e. a
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formation in
Ascomycota fruitbodies, the crozier helps to maintain the
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and looks like a hook-topped shepherd’s staff or stylized religious
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Glossary sketch of crozier (click on eye image next to "crozier")
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Tang, Alvin M. C.; Jeewon, Rajesh; Hyde, Kevin D. (2007-05-01).
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is an anatomical feature of many fungi in the phylum
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145:. Croziers resemble and function similarly to
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299:10.1128/microbiolspec.FUNK-0005-2016
47:adding citations to reliable sources
16:Anatomic feature in ascomycete fungi
332:Mycology glossary sketch of crozier
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357:Fungal morphology and anatomy
172:occur in the penultimate cell
283:"Fungal Sex: The Ascomycota"
149:on the dikaryotic hyphae of
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232:Antonie van Leeuwenhoek
58:"Crozier" mycology
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41:Please help
36:verification
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209:character.
352:Ascomycota
346:Categories
213:References
186:ascogenous
182:dikaryotic
135:Ascomycota
69:newspapers
307:2165-0497
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207:taxonomic
162:karyogamy
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199:dikaryon
195:nucleus
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170:mitosis
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