Hyphochytriomycetes
| Hyphochytrids | |
|---|---|
| Scientific classification | |
| Domain: | |
| (unranked): | |
| Superphylum: | |
| Phylum: | Hyphochytriomycota Whittaker, 1969[1]
|
| Class: | Hyphochytriomycetes Sparrow ex M.W.Dick, 1983[2]
|
| Subclass: | Hyphochytriomycetidae M.W.Dick, 2001[3]
|
| Order: | Hyphochytriales Bessey, 1950[4]
|
| Synonyms | |
| |
Hyphochytridsareeukaryoticorganisms in the group ofStramenopiles(Heterokonta).
Characteristics
[edit]They are distinguished by an anterior tinsel flagellum[7]on theirzoospores.Also they have a rhizoidal or hypha-like vegetative system (hence the prefix "Hypho-" ).
Classification
[edit]This group may be put alternatively at the phylum, class, subclass or order level, being referred to as Hyphochytriomycota, Hyphochytriomycetes (or Hyphochytrea), Hyphochytriomycetidae (or Hyphochytridae) and Hyphochytriales, respectively. The variants Hyphochytridiomycota and Hyphochytridiomycetes are also sometimes used, presumably by analogy to the Chytridiomycetes, or due to the perpetuation of a typographical error. However, the stem is Hyphochytri- (fromHyphochytrium) and not Hyphochytridi- (fromChytridium).[8]
In the past the classes Hyphochytridiomycetes,OomycetesandChytridiomyceteswere grouped together in the now obsolete taxonMastigomycotinaas fungi with flagellate spores or gametes. Now the Chytridiomycetes are still considered true fungi, but the other two sub-groups are classified in the kingdomProtista,or in the groupStramenopiles.
Hyphochytriomycetes are closely related toOomycetes.[9]
OrderHyphochytrialesBessey 1950 ex Sparrow 1960
- FamilyHyphochytriaceaeFischer 1892
- GenusCanteriomycesSparrow 1960
- GenusCystochytriumIvimey Cook 1932
- GenusHyphochytriumZopf 1884[HyphophagusMinden 1911]
- FamilyRhizidiomycetaceaeKarling ex Kirk, Cannon & David 2001
- GenusLatrostiumZopf 1894
- GenusReessiaFisch 1883
- GenusRhizidiomycesZopf 1884[RhizidiomycopsisSparrow 1960]
Diversity
[edit]This is a relatively small group, composed of about 16 known species, which may be due in part, to sampling methods of scientists.
See also
[edit]References
[edit]- ^Whittaker, R.H. (1969). "New concepts of kingdoms of organisms".Science.163(3863): 150–160.Bibcode:1969Sci...163..150W.CiteSeerX10.1.1.403.5430.doi:10.1126/science.163.3863.150.PMID5762760.
- ^Dick, M.W. 1983. Validation of the class name Hyphochytriomycetes. In: Buczacki (ed.),Zoosporic Plant Pathogens, A Modern Perspective.London & New York: Academic Press.
- ^M.W.Dick,Straminipilous Fungi:330, 2001.
- ^Bessey, E. A. 1950.Morphology and taxonomy of fungi,[1].
- ^Cavalier-Smith,Prog. Phycol. Res.4: 324, 1986.
- ^Cavalier-Smith, In: Green, Leadbeater, and Diver (eds.),The Chromophyte Algae:385 (1989).
- ^"Chytridiomycota".Archived fromthe originalon 2008-08-22.Retrieved2009-05-26.
- ^David, J. C. (2002)."A preliminary catalogue of the names of fungi above the rank of order".Constancea.83:1–30.
- ^Van der Auwera G, De Baere R, Van de Peer Y, De Rijk P, Van den Broeck I, De Wachter R (July 1995). "The phylogeny of the Hyphochytriomycota as deduced from ribosomal RNA sequences of Hyphochytrium catenoides".Mol. Biol. Evol.12(4): 671–8.doi:10.1093/oxfordjournals.molbev.a040245.PMID7659021.
Bibliography
[edit]- C.J. Alexopolous, Charles W. Mims, M. Blackwell et al.,Introductory Mycology,4th ed. John Wiley and Sons, Hoboken NJ, 2004.ISBN0-471-52229-5.
- Manoharachary, C.; Sridhar, K.; et al. (2005)."Fungal biodiversity: Distribution, conservation and prospecting of fungi from India"(PDF).Current Science.89(1).
External links
[edit]- "Introduction to the Fungi".University of Hawai‘i at Mānoa Botany Department
- "Hyphochytriomycota".Index Fungorum.
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