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Access type: UnknownAuthor: search.filters.author.Hyde, Kevin David

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    Chaetomium siamense sp. nov., a soil isolate from Thailand, produces a new chaetoviridin, G
    (2011-01-01)
    Pornsuriya, Chaninun
    ;
    Soytong, Kasem
    ;
    Poeaim, Supattar
    ;
    Kanokmedhakul, Somdej
    ;
    Khumkomkhet, Primmala
    Chaetomium siamense sp. nov., isolated from soil in a pineapple plantation in Thailand, is described and illustrated. The new species is similar to C. cupreum in having superficial globose or ovate ascomata with red circinate ascomatal hairs but can be distinguished by its fusiform ascospores with two apical germ pores. Phylogenetic analysis of ITS rDNA sequence data also supports C. siamense as distinct. Investigation of the secondary metabolites of C. siamense led to the isolation of one new (chaetoviridin G) and seven known compounds (ergosterol, 24(R)-5á,8á-epidioxyergosta-6-22-diene- 3â-ol, ergosterylplamitate, cochliodone D, chaetoviridin A, chaetoviridin F, chrysophanol). © 2011. Mycotaxon, Ltd.
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    Cordyceps mrciensis sp. nov. from a spider in Thailand
    (2006-07-01)
    Ohnmar, Myo Aung
    ;
    Ji, Chuan Kang
    ;
    Zong, Qi Liang
    ;
    Soytong, Kasem
    ;
    Hyde, Kevin David
    A fungus associated with a spider collected from the Mushroom Research Centre, Chiang Mai, Thailand was found to represent a new species of the genus Cordyceps. It is described as C. mrciensis sp. nov. C. mrciensis differs from other species occurring on spiders in that the stromata have a fertile part with a distinctive sterile appendage, superficial perithecia and ascospores that do not break into secondary partspores.
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    A new entomopathogenic species, Hymenostilbe furcata, parasitic on a hemipteran nymph in northern Thailand
    (2006-07-01)
    Ohnmar, Myo Aung
    ;
    Ji, Chuan Kang
    ;
    Zong, Qi Liang
    ;
    Soytong, Kasem
    ;
    Hyde, Kevin David
    Hymenostilbe furcata sp. nov., parasitic on a hemipteran nymph in a northern Thailand forest is described and illustrated. Its morphology is compared with that of other species with forked denticles.