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''Beauveria'' is a
A multilocus phylogeny of ''Beauveria'' based on partial sequences of RPB1, RPB2, TEF and the nuclear intergenic region, Bloc, has been described to assess diversity within the genus and to evaluate the taxonomic status of species. ''B. bassiana'' and ''B. brongniartii'', both of which represent species complexes and which previously lacked type specimens, were redescribed and types are proposed in this paper. In addition six new species were described including ''B. varroae'' and ''B. kipukae'', which form a biphyletic, morphologically cryptic sister lineage to ''B. bassiana''. ''B. sungii'' is an Asian species that is linked to an undetermined species of ''Cordyceps''. The combination ''B. amorpha'' was considered validly published; previous literature also refers to invalid ''B. felina'' and ''B. globulifera''.
* List of ''Beauveria'' species
** '' Beauveria alba''
** ''
genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...
of asexually-reproducing fungi
A fungus ( : fungi or funguses) is any member of the group of eukaryotic organisms that includes microorganisms such as yeasts and molds, as well as the more familiar mushrooms. These organisms are classified as a kingdom, separately from ...
allied with the ascomycete
Ascomycota is a phylum of the kingdom Fungi that, together with the Basidiomycota, forms the subkingdom Dikarya. Its members are commonly known as the sac fungi or ascomycetes. It is the largest phylum of Fungi, with over 64,000 species. The defi ...
family Cordycipitaceae
The Cordycipitaceae are a family of parasitic fungi in the Ascomycota, class Sordariomycetes and order Hypocreales. The family was first published in 1969 by mycologist Hanns Kreisel, but the naming was invalid according to the code of Internati ...
. Its several species are typically insect pathogens. The sexual states (teleomorph
In mycology, the terms teleomorph, anamorph, and holomorph apply to portions of the life cycles of fungi in the phyla Ascomycota and Basidiomycota:
*Teleomorph: the sexual reproductive stage (morph), typically a fruiting body.
*Anamorph: an ase ...
s) of ''Beauveria'' species, where known, are species of ''Cordyceps
''Cordyceps'' is a genus of ascomycete fungi (sac fungi) that includes about 600 species. Most ''Cordyceps'' species are endoparasitoids, parasitic mainly on insects and other arthropods (they are thus entomopathogenic fungi); a few are parasiti ...
''.
''Beauveria'' species are white entomopathogenic fungi
An entomopathogenic fungus is a fungus that can kill or seriously disable insects.
Typical life cycle
These fungi usually attach to the external body surface of insects in the form of microscopic spores (usually asexual, mitosporic spores als ...
. They form unicellular conidia
A conidium ( ; ), sometimes termed an asexual chlamydospore or chlamydoconidium (), is an asexual, non-motile spore of a fungus. The word ''conidium'' comes from the Ancient Greek word for dust, ('). They are also called mitospores due to the ...
that are typically hydrophobic and very small. The conidia
A conidium ( ; ), sometimes termed an asexual chlamydospore or chlamydoconidium (), is an asexual, non-motile spore of a fungus. The word ''conidium'' comes from the Ancient Greek word for dust, ('). They are also called mitospores due to the ...
are formed holoblastically from basally inflated conidiogenous cells. After conidium production, the conidiogenous cell elongates before producing another conidium atop a small denticle (a narrow projection bearing a conidium or sporangium). The result is the formation of a distinctive, slender, zig-zag rachis
In biology, a rachis (from the grc, ῥάχις [], "backbone, spine") is a main axis or "shaft".
In zoology and microbiology
In vertebrates, ''rachis'' can refer to the series of articulated vertebrae, which encase the spinal cord. In this c ...
. Colonies of ''Beauveria'' species are typically white or off-white on artificial culture media.
Species of '' Tritirachium'' resemble ''Beauveria'' species in having a zig-zag conidiogenous cells, but differ in lacking conspicuous denticles and in producing yellow-brown to purple colonies.
''Beauveria'' species are commonly found associated with insects or habitats supporting insects, including soil and private dwellings. '' B. bassiana'', the most widely known member of this genus, has been developed as a biological pesticide
A Biopesticide is a biological substance or organism that damages, kills, or repels organisms seens as pests. Biological pest management intervention involves predatory, parasitic, or chemical relationships.
They are obtained from organisms inclu ...
for various insect pests.
Species
A multilocus phylogeny of ''Beauveria'' based on partial sequences of RPB1, RPB2, TEF and the nuclear intergenic region, Bloc, has been described to assess diversity within the genus and to evaluate the taxonomic status of species. ''B. bassiana'' and ''B. brongniartii'', both of which represent species complexes and which previously lacked type specimens, were redescribed and types are proposed in this paper. In addition six new species were described including ''B. varroae'' and ''B. kipukae'', which form a biphyletic, morphologically cryptic sister lineage to ''B. bassiana''. ''B. sungii'' is an Asian species that is linked to an undetermined species of ''Cordyceps''. The combination ''B. amorpha'' was considered validly published; previous literature also refers to invalid ''B. felina'' and ''B. globulifera''.
* List of ''Beauveria'' species
** '' Beauveria alba''
** ''Beauveria amorpha
''Beauveria'' is a genus of asexually-reproducing fungi allied with the ascomycete family Cordycipitaceae. Its several species are typically insect pathogens. The sexual states (teleomorphs) of ''Beauveria'' species, where known, are species of ...
''
** '' Beauveria arenaria''
** ''Beauveria asiatica
''Beauveria'' is a genus of asexually-reproducing fungi allied with the ascomycete family Cordycipitaceae. Its several species are typically insect pathogens. The sexual states (teleomorphs) of ''Beauveria'' species, where known, are species of ...
''
** '' Beauveria australis''
** ''Beauveria bassiana
''Beauveria bassiana'' is a fungus that grows naturally in soils throughout the world and acts as a parasite on various arthropod species, causing white muscardine disease; it thus belongs to the entomopathogenic fungi. It is used as a biological ...
''
** ''Beauveria brongniartii
''Beauveria'' is a genus of asexually-reproducing fungi allied with the ascomycete family Cordycipitaceae. Its several species are typically insect pathogens. The sexual states (teleomorphs) of ''Beauveria'' species, where known, are species of ...
''
** ''Beauveria brumptii
''Beauveria'' is a genus of asexually-reproducing fungi allied with the ascomycete family Cordycipitaceae. Its several species are typically insect pathogens. The sexual states (teleomorphs) of ''Beauveria'' species, where known, are species o ...
''
** ''Beauveria caledonica
''Beauveria'' is a genus of asexually-reproducing fungi allied with the ascomycete family Cordycipitaceae. Its several species are typically insect pathogens. The sexual states (teleomorphs) of ''Beauveria'' species, where known, are species o ...
''
** ''Beauveria chiromensis
''Beauveria'' is a genus of asexually-reproducing fungi allied with the ascomycete family Cordycipitaceae. Its several species are typically insect pathogens. The sexual states (teleomorphs) of ''Beauveria'' species, where known, are species o ...
''
** ''Beauveria coccorum
''Beauveria'' is a genus of asexually-reproducing fungi allied with the ascomycete family Cordycipitaceae. Its several species are typically insect pathogens. The sexual states (teleomorphs) of ''Beauveria'' species, where known, are species of ...
''
** ''Beauveria cretacea
''Beauveria'' is a genus of asexually-reproducing fungi allied with the ascomycete family Cordycipitaceae. Its several species are typically insect pathogens. The sexual states (teleomorphs) of ''Beauveria'' species, where known, are species of ...
''
** ''Beauveria cylindrospora
''Beauveria'' is a genus of asexually-reproducing fungi allied with the ascomycete family Cordycipitaceae. Its several species are typically insect pathogens. The sexual states (teleomorphs) of ''Beauveria'' species, where known, are species of ...
''
** ''Beauveria delacroixii
''Beauveria'' is a genus of asexually-reproducing fungi allied with the ascomycete family Cordycipitaceae. Its several species are typically insect pathogens. The sexual states (teleomorphs) of ''Beauveria'' species, where known, are species of ...
''
** ''Beauveria densa
''Beauveria'' is a genus of asexually-reproducing fungi allied with the ascomycete family Cordycipitaceae. Its several species are typically insect pathogens. The sexual states (teleomorphs) of ''Beauveria'' species, where known, are species of ...
''
** ''Beauveria dependens
''Beauveria'' is a genus of asexually-reproducing fungi allied with the ascomycete family Cordycipitaceae. Its several species are typically insect pathogens. The sexual states (teleomorphs) of ''Beauveria'' species, where known, are species of ...
''
** ''Beauveria doryphorae
''Beauveria'' is a genus of asexually-reproducing fungi allied with the ascomycete family Cordycipitaceae. Its several species are typically insect pathogens. The sexual states (teleomorphs) of ''Beauveria'' species, where known, are species o ...
''
** '' Beauveria effusa''
** '' Beauveria epigaea''
** '' Beauveria felina''
** '' Beauveria geodes''
** ''Beauveria globulifera
''Beauveria'' is a genus of asexually-reproducing fungi allied with the ascomycete family Cordycipitaceae. Its several species are typically insect pathogens. The sexual states (teleomorphs) of ''Beauveria'' species, where known, are species o ...
''
** '' Beauveria heimii''
** '' Beauveria hoplocheli''
** '' Beauveria kipukae''
** '' Beauveria laxa''
** '' Beauveria malawiensis''
** '' Beauveria medogensis''
** '' Beauveria melolonthae''
** '' Beauveria nubicola''
** '' Beauveria oryzae''
** '' Beauveria paradoxa''
** '' Beauveria paranensis''
** '' Beauveria parasitica''
** '' Beauveria petelotii''
** '' Beauveria pseudobassiana''
** '' Beauveria rileyi''
** '' Beauveria rubra''
** '' Beauveria shiotae''
** '' Beauveria sobolifera''
** '' Beauveria spicata''
** '' Beauveria stephanoderis''
** '' Beauveria sulfurescens''
** '' Beauveria sungii''
** '' Beauveria tenella''
** '' Beauveria tundrensis''
** '' Beauveria velata''
** '' Beauveria varroae''
** '' Beauveria vermiconia''
** '' Beauveria vexans''
** '' Beauveria viannai''
** '' Beauveria virella''
''B. simplex'' is now '' Acrodontium simplex''; ''B. nivea'' is ''Tolypocladium inflatum
''Tolypocladium inflatum'' is an ascomycete fungus originally isolated from a Norwegian soil sample that, under certain conditions, produces the immunosuppressant drug ciclosporin. In its sexual stage (teleomorph) it is a parasite on scarab beetl ...
''.
References
* * * * * * * {{Taxonbar, from=Q2893365 Sordariomycetes genera Clavicipitaceae