期刊
MYCOLOGICAL PROGRESS
卷 17, 期 6, 页码 745-753出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s11557-017-1370-5
关键词
Hirsutella; New species; Ophiocordyceps; Phylogenetic analyses
类别
资金
- Earmarked Funds for the Development of Non-governmental Economy and Small Medium Sized Enterprises of Yunnan Province [2014XA051]
- National Natural Science Foundation of China [31760011]
- China Postdoctoral Science Foundation [2017 M613017]
Ophiocordyceps unituberculata, a new insect pathogenic fungus from southwestern China, is described using molecular phylogenetic and morphological data. This fungus differs from other Ophiocordyceps species by its enormously long monophialidic conidiogenous cells and a large periclinal protuberance often growing near the apex of conidiogenous cells, single conidia (lanceolate to fusiform) embedded in mucous sheath, and much larger conidial dimensions. Four-locus (nrSSU, nrLSU, tef-1 alpha and rpb1) and ITS data phylogenetic analyses show that O. unituberculata belongs to the Hirsutella nodulosa clade within the genus Ophiocordyceps of Ophiocordycipitaceae and is a separate clade from other allied species. Molecular phylogeny and morphology both strongly support the distinctiveness of this taxon. The interspecific relationships in the H. nodulosa clade are discussed.
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