Physodermataceae
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Physodermataceae
Physodermatacae is a family of chytrid fungi in the order Physodermatales. Species in the family have a parasitic relationship with the host's physoderma. This family is distinctive in that it contains a thick wall around the sporangia to resist against unfavorable conditions. Sporangia releases from a host plant when rotting, dispersal is carried through the air. This family is not to be confused or related to basidiomycetes rusts and smut fungi. This parasite is distributed all across the world in aquatic, semi aquatic wetlands and in some ferns. Physodermatacae breaks into two distinguished clades: Physoderma and Urophlyctis ''Physoderma'' is a genus of chytrid fungi. Described by German botanist Karl Friedrich Wilhelm Wallroth in 1833, the genus contains some species that are parasitic on vascular plants, including '' P. alfalfae'' and '' P. maydis'', cau ..., which are grouped together because of the similar algal parasite called Paraphysoderma. References ...
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Physodermatales
Physodermatacae is a family of chytrid fungi in the order Physodermatales. Species in the family have a parasitic relationship with the host's physoderma. This family is distinctive in that it contains a thick wall around the sporangia to resist against unfavorable conditions. Sporangia releases from a host plant when rotting, dispersal is carried through the air. This family is not to be confused or related to basidiomycetes rusts and smut fungi. This parasite is distributed all across the world in aquatic, semi aquatic wetlands and in some ferns. Physodermatacae breaks into two distinguished clades: Physoderma and Urophlyctis ''Physoderma'' is a genus of chytrid fungi. Described by German botanist Karl Friedrich Wilhelm Wallroth in 1833, the genus contains some species that are parasitic on vascular plants, including '' P. alfalfae'' and '' P. maydis'', cau ..., which are grouped together because of the similar algal parasite called Paraphysoderma. Reference ...
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Physoderma
''Physoderma'' is a genus of chytrid fungi. Described by German botanist Karl Friedrich Wilhelm Wallroth in 1833, the genus contains some species that are parasitic on vascular plants, including '' P. alfalfae'' and '' P. maydis'', causative agents of crown wart of alfalfa and brown spot of corn, respectively. Of the chytrid genera, ''Physoderma'' is the oldest.Sparrow FK. 1960. Aquatic phycomycetes. 2nd ed. Ann Arbor, Michigan: University of Michigan Press. However, species were confused with the rust fungi, the genus ''Synchytrium'', and the genus '' Protomyces'' of Ascomycota.Karling, J.S. 1977. Chytridiomycetarum Iconographia. Monticello, New York: Lubrecht & Cramer. Members of ''Physoderma'' are obligate parasites of pteridophytes and angiosperms. There are approximately 80 species within this genus (depending on whether one includes those traditionally belonging to ''Urophlyctis''). Taxonomic history The genus was erected in 1833 on the basis of resting spore ...
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Physoderma
''Physoderma'' is a genus of chytrid fungi. Described by German botanist Karl Friedrich Wilhelm Wallroth in 1833, the genus contains some species that are parasitic on vascular plants, including '' P. alfalfae'' and '' P. maydis'', causative agents of crown wart of alfalfa and brown spot of corn, respectively. Of the chytrid genera, ''Physoderma'' is the oldest.Sparrow FK. 1960. Aquatic phycomycetes. 2nd ed. Ann Arbor, Michigan: University of Michigan Press. However, species were confused with the rust fungi, the genus ''Synchytrium'', and the genus '' Protomyces'' of Ascomycota.Karling, J.S. 1977. Chytridiomycetarum Iconographia. Monticello, New York: Lubrecht & Cramer. Members of ''Physoderma'' are obligate parasites of pteridophytes and angiosperms. There are approximately 80 species within this genus (depending on whether one includes those traditionally belonging to ''Urophlyctis''). Taxonomic history The genus was erected in 1833 on the basis of resting spore ...
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Urophlyctis
''Physoderma'' is a genus of chytrid fungi. Described by German botanist Karl Friedrich Wilhelm Wallroth in 1833, the genus contains some species that are parasitic on vascular plants, including '' P. alfalfae'' and '' P. maydis'', causative agents of crown wart of alfalfa and brown spot of corn, respectively. Of the chytrid genera, ''Physoderma'' is the oldest.Sparrow FK. 1960. Aquatic phycomycetes. 2nd ed. Ann Arbor, Michigan: University of Michigan Press. However, species were confused with the rust fungi, the genus ''Synchytrium'', and the genus '' Protomyces'' of Ascomycota.Karling, J.S. 1977. Chytridiomycetarum Iconographia. Monticello, New York: Lubrecht & Cramer. Members of ''Physoderma'' are obligate parasites of pteridophytes and angiosperms. There are approximately 80 species within this genus (depending on whether one includes those traditionally belonging to ''Urophlyctis''). Taxonomic history The genus was erected in 1833 on the basis of resting spore dev ...
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Blastocladiomycota
Blastocladiomycota is one of the currently recognized phyla within the kingdom Fungi.Hibbett DS et al. 2007. A higher-level phylogenetic classification of the fungi. Mycological Research 111:509–47. Blastocladiomycota was originally the order Blastocladiales within the phylum Chytridiomycota until molecular and zoospore ultrastructural characters were used to demonstrate it was not monophyletic with Chytridiomycota. The order was first erected by Petersen for a single genus, ''Blastocladia'', which was originally considered a member of the oomycetes.Sparrow FK. 1960. Aquatic phycomycetes. 2nd ed. Ann Arbor, Michigan: University of Michigan Press. Accordingly, members of Blastocladiomycota are often referred to colloquially as "chytrids." However, some feel "chytrid" should refer only to members of Chytridiomycota.Alexopoulos CJ, Mims CW, Blackwell M. 1996. Introductory Mycology. 4th edition. John Wiley & Sons, Inc. Thus, members of Blastocladiomyota are commonly called "blastocl ...
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Chytrid
Chytridiomycota are a division of zoosporic organisms in the kingdom Fungi, informally known as chytrids. The name is derived from the Ancient Greek ('), meaning "little pot", describing the structure containing unreleased zoöspores. Chytrids are one of the early diverging fungal lineages, and their membership in kingdom Fungi is demonstrated with chitin cell walls, a posterior whiplash flagellum, absorptive nutrition, use of glycogen as an energy storage compound, and synthesis of lysine by the -amino adipic acid (AAA) pathway. Chytrids are saprobic, degrading refractory materials such as chitin and keratin, and sometimes act as parasites. There has been a significant increase in the research of chytrids since the discovery of ''Batrachochytrium dendrobatidis'', the causal agent of chytridiomycosis. Classification Species of Chytridiomycota have traditionally been delineated and classified based on development, morphology, substrate, and method of zoöspore discharge. Howev ...
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