Chytriomyces

Chytriomyces
	Chytriomyces hyalinus growing on nutrient agar.
Scientific classification
Kingdom:	Fungi
Division:	Chytridiomycota
Class:	Chytridiomycetes
Order:	Chytridiales
Family:	Chytriomycetaceae; Letcher (2011)
Genus:	Chytriomyces; Karling (1945)
Type species
	Chytriomyces hyalinus; Karling (1945)

Chytriomyces is the type genus of fungi in the family Chytriomycetaceae. The genus was described by mycologist John Sidney Karling in 1945.[1] The family, created by Peter Letcher in 2011, contains species with a Group I-type zoospore, distinguishing it from Chytridiaceae members, which have a Group II-type zoospore.[2]

Taxonomy

J. S. Karling circumscribed Chytriomyces in 1945 for the species C. hyalinus and C. aureus. The genus was intended to include monocentric chytrids with operculate, apophysate, epibiotic zoosporangia that exhibited vesicular zoospore discharge. Another requirement was resting spores that function as prosporangia during germination. [1] With time and the addition of species, the generic concept was altered to include species lacking one or more of these features.[3][4] Karling was not clear as to which of his species was the type; C. hyalinus was later designated the type.[4] With the use of molecular phylogenetics, it has been determined that several species in this genus did not belong. For example, it was shown that C. poculatus and C. angularis were better classified in the new genus Lobulomyces. [5]

Species

C. appendiculatus
C. aureus
C. closterii
C. confervae
C. cosmaridis
C. elegans
C. fructicosus
C. gilgaiensis
C. heliozoicola
C. hyalinus
C. laevis
C. lucidus
C. macro-operculatus
C. mammillifer
C. mortierellae
C. multioperculatus
C. nagatoroensis
C. parasiticus
C. reticulatus
C. reticulosporus
C. rhizidiomycetis
C. rotoruaensis
C. stellatus
C. suburceolatus
C. tabellariae
C. vallesiacus
C. verrucosus
C. willoughbyi

References

Karling JS. (1945). "Brazilian chytrids. VI. Rhopalophlyctis and Chytriomyces, two new chitinophylic operculate genera". American Journal of Botany. 32 (7): 362–9. doi:10.2307/2437353.
Vélez CG, Letcher PM, Schultz S, Powell MJ, Churchill PF (2011). "Molecular phylogenetic and zoospore ultrastructural analyses of Chytridium olla establish the limits of a monophyletic Chytridiales". Mycologia. 103 (1): 118–30. doi:10.3852/10-001. PMID 20943553.
Sparrow F.K. (1060). Aquatic Phycomycetes (second ed.). The University of Michigan Press. pp. 624–627, 669–670.
Letcher, Peter M.; Powell, Martha J. (2002). "A taxonomic summary of Chytriomyces (Chytridiomycota)". Mycotaxon. 84: 447–487.
Simmons, D. Rabern; James, Timothy Y.; Meyer, A.F.; Longcore, Joyce E. (2009). "Lobulomycetales, a new order in the Chytridiomycota". Mycological Research. 113: 450–460. doi:10.1016/j.mycres.2008.11.019.

External links

Chytriomyces in Index Fungorum

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[Karling_1945-1] Karling JS. (1945). "Brazilian chytrids. VI. Rhopalophlyctis and Chytriomyces, two new chitinophylic operculate genera". American Journal of Botany. 32 (7): 362–9. doi:10.2307/2437353.

[Vélez_2011-2] Vélez CG, Letcher PM, Schultz S, Powell MJ, Churchill PF (2011). "Molecular phylogenetic and zoospore ultrastructural analyses of Chytridium olla establish the limits of a monophyletic Chytridiales". Mycologia. 103 (1): 118–30. doi:10.3852/10-001. PMID 20943553.

[Sparrow1960-3] Sparrow F.K. (1060). Aquatic Phycomycetes (second ed.). The University of Michigan Press. pp. 624–627, 669–670.

[Letcher2002-4] Letcher, Peter M.; Powell, Martha J. (2002). "A taxonomic summary of Chytriomyces (Chytridiomycota)". Mycotaxon. 84: 447–487.

[Simmons2009-5] Simmons, D. Rabern; James, Timothy Y.; Meyer, A.F.; Longcore, Joyce E. (2009). "Lobulomycetales, a new order in the Chytridiomycota". Mycological Research. 113: 450–460. doi:10.1016/j.mycres.2008.11.019.