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Article

Mitogenomics, Phylogeny and Morphology Reveal Ophiocordyceps pingbianensis Sp. Nov., an Entomopathogenic Fungus from China

by 1,2,†, 1,2,†, 1,2 and 1,2,*
1
Yunnan Herbal Laboratory, College of Ecology and Environmental Science, Yunnan University, Kunming 650091, China
2
The International Joint Research Center for Sustainable Utilization of Cordyceps Bioresources in China and Southeast Asia, Yunnan University, Kunming 650504, China
*
Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Academic Editors: Armin Mešić and Ivana Kušan
Life 2021, 11(7), 686; https://doi.org/10.3390/life11070686
Received: 15 June 2021 / Revised: 6 July 2021 / Accepted: 9 July 2021 / Published: 14 July 2021
The new entomopathogenic fungus Ophiocordyceps pingbianensis, collected from Southeast China, was described by mitogenomic, morphological, and phylogenetic evidence. The systematic position of O. pingbianensis was determined by phylogenetic analyses based on six nuclear gene (ITS, tef1-α, nrSSU, nrLSU, rpb1 and rpb2) and 14 mitochondrial protein-coding gene (PCGs) (cox1, cox2, cox3, atp6, atp8, atp9, cob, nad1, nad2, nad3, nad4, nad5, nad6 and nad4L) data. Phylogenetic analyses reveal that O. pingbianensis was belonged to the Hirsutella nodulosa clade in the genus Ophiocordyceps of Ophiocordycipiaceae. This fungus exhibits distinctive characteristics which differed from other related Ophiocordyceps species with slender and geminate stromata, monophialidic conidiogenous cells with an inflated awl-shaped base, a twisty and warty phialide neck and a fusiform or oval conidia, as well as being found on a tiger beetle of Coleoptera buried in moss at the cave. The complete mitochondrial genome of O. pingbianensis was a circular DNA molecule 80,359 bp in length, containing 15 PCGs, 24 open reading frames genes (ORFs), 25 transfer RNA genes (tRNAs) and 27 introns. Ophiocordyceps pingbianensis, containing 27 introns, has the second largest mitogenome in Ophiocordycipiaceae and was next to O. sinensis. To our knowledge, this is the first report of the mitogenome from a new entomopathogenic fungus, and thus provides an important foundation for future studies on taxonomy, genetics and evolutionary biology of Ophiocordycipiaceae. View Full-Text
Keywords: mitochondrial genome; new species; phylogenetic analyses; taxonomy mitochondrial genome; new species; phylogenetic analyses; taxonomy
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MDPI and ACS Style

Chen, S.; Wang, Y.; Zhu, K.; Yu, H. Mitogenomics, Phylogeny and Morphology Reveal Ophiocordyceps pingbianensis Sp. Nov., an Entomopathogenic Fungus from China. Life 2021, 11, 686. https://doi.org/10.3390/life11070686

AMA Style

Chen S, Wang Y, Zhu K, Yu H. Mitogenomics, Phylogeny and Morphology Reveal Ophiocordyceps pingbianensis Sp. Nov., an Entomopathogenic Fungus from China. Life. 2021; 11(7):686. https://doi.org/10.3390/life11070686

Chicago/Turabian Style

Chen, Siqi, Yuanbing Wang, Kongfu Zhu, and Hong Yu. 2021. "Mitogenomics, Phylogeny and Morphology Reveal Ophiocordyceps pingbianensis Sp. Nov., an Entomopathogenic Fungus from China" Life 11, no. 7: 686. https://doi.org/10.3390/life11070686

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