They are distinguished by an anterior tinsel flagellum[7] on their zoospores. Also they have a rhizoidal or hypha-like vegetative system (hence the prefix "Hypho-").
Classificationedit
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- (from Hyphochytrium) and not Hyphochytridi- (from Chytridium).[8]
In the past the classes Hyphochytridiomycetes, Oomycetes and Chytridiomycetes were grouped together in the now obsolete taxon Mastigomycotina as fungi with flagellate spores or gametes. Now the Chytridiomycetes are still considered true fungi, but the other two sub-groups are classified in the kingdom Protista, or in the group Stramenopiles.
Hyphochytriomycetes are closely related to Oomycetes.[9]
^Whittaker, R.H. (1969). "New concepts of kingdoms of organisms". Science. 163 (3863): 150–160. CiteSeerX10.1.1.403.5430. doi:10.1126/science.163.3863.150. PMID 5762760.
^Dick, M.W. 1983. Validation of the class name Hyphochytriomycetes. In: Buczacki (ed.), Zoosporic Plant Pathogens, A Modern Perspective. London & New York: Academic Press.
^Cavalier-Smith, In: Green, Leadbeater, and Diver (eds.), The Chromophyte Algae: 385 (1989).
^. Archived from the original on 2008-08-22. Retrieved 2009-05-26.
^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. PMID 7659021.
Bibliographyedit
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 linksedit
"Introduction to the Fungi". University of Hawai‘i at Mānoa Botany Department
"Hyphochytriomycota". Index Fungorum.
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hyphochytriomycetes, hyphochytrids, eukaryotic, organisms, group, stramenopiles, heterokonta, hyphochytridsscientific, classificationdomain, eukaryota, unranked, sarsuperphylum, heterokontaphylum, hyphochytriomycotawhittaker, 1969, class, sparrow, dick, 1983, . Hyphochytrids are eukaryotic organisms in the group of Stramenopiles Heterokonta HyphochytridsScientific classificationDomain Eukaryota unranked SARSuperphylum HeterokontaPhylum HyphochytriomycotaWhittaker 1969 1 Class HyphochytriomycetesSparrow ex M W Dick 1983 2 Subclass HyphochytriomycetidaeM W Dick 2001 3 Order HyphochytrialesBessey 1950 4 SynonymsPhylum Hyphochytridiomycota orth var Class Hyphochytridiomycetes Sparrow 1958 Alexopoulos 1962 orth var Class Hyphochytrea Cavalier Smith 1986 5 Order Hyphochytridae Cavalier Smith 1989 6 Contents 1 Characteristics 2 Classification 3 Diversity 4 See also 5 References 6 Bibliography 7 External linksCharacteristics editThey are distinguished by an anterior tinsel flagellum 7 on their zoospores Also they have a rhizoidal or hypha like vegetative system hence the prefix Hypho Classification editThis 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 from Hyphochytrium and not Hyphochytridi from Chytridium 8 In the past the classes Hyphochytridiomycetes Oomycetes and Chytridiomycetes were grouped together in the now obsolete taxon Mastigomycotina as fungi with flagellate spores or gametes Now the Chytridiomycetes are still considered true fungi but the other two sub groups are classified in the kingdom Protista or in the group Stramenopiles Hyphochytriomycetes are closely related to Oomycetes 9 Order Hyphochytriales Bessey 1950 ex Sparrow 1960 Family Hyphochytriaceae Fischer 1892 Genus Canteriomyces Sparrow 1960 Genus Cystochytrium Ivimey Cook 1932 Genus Hyphochytrium Zopf 1884 Hyphophagus Minden 1911 Family Rhizidiomycetaceae Karling ex Kirk Cannon amp David 2001 Genus Latrostium Zopf 1894 Genus Reessia Fisch 1883 Genus Rhizidiomyces Zopf 1884 Rhizidiomycopsis Sparrow 1960 Diversity editThis is a relatively small group composed of about 16 known species which may be due in part to sampling methods of scientists See also editHyphochytrium ZoosporeReferences edit Whittaker R H 1969 New concepts of kingdoms of organisms Science 163 3863 150 160 CiteSeerX 10 1 1 403 5430 doi 10 1126 science 163 3863 150 PMID 5762760 Dick M W 1983 Validation of the class name Hyphochytriomycetes In Buczacki ed Zoosporic Plant Pathogens A Modern Perspective London amp 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 from the original on 2008 08 22 Retrieved 2009 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 PMID 7659021 Bibliography editC J Alexopolous Charles W Mims M Blackwell et al Introductory Mycology 4th ed John Wiley and Sons Hoboken NJ 2004 ISBN 0 471 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 Manoa Botany Department Hyphochytriomycota Index Fungorum nbsp This heterokont related article is a stub You can help Wikipedia by expanding it vte Retrieved from https en wikipedia org w index php title Hyphochytriomycetes amp oldid 1021983594, wikipedia, wiki, book, books, library,
