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The caterpillar fungus, Ophiocordyceps sinensis, genome provides insights into highland adaptation of fungal pathogenicity
Xia, En-Hua; Yang, Da-Rong; Jiang, Jian-Jun; et al
2017
Source PublicationSCIENTIFIC REPORTS
Volume7Issue:xPages:1806
AbstractTo understand the potential genetic basis of highland adaptation of fungal pathogenicity, we present here the -116 Mb de novo assembled high-quality genome of Ophiocordyceps sinensis endemic to the Qinghai-Tibetan Plateau. Compared with other plain-dwelling fungi, we find about 3.4-fold inflation of the O. sinensis genome due to a rapid amplification of long terminal repeat retrotransposons that occurred -38 million years ago in concert with the uplift of the plateau. We also observe massive removal of thousands of genes related to the transport process and energy metabolism. O. sinensis displays considerable lineage-specific expansion of gene families functionally enriched in the adaptability of low-temperature of cold tolerance, fungal pathogenicity and specialized host infection. We detect signals of positive selection for genes involved in peroxidase and hypoxia to enable its highland adaptation. Resequencing and analyzing 31 whole genomes of O. sinensis, representing nearly all of its geographic range, exhibits latitude-based population divergence and nature selection for population inhabitation towards higher altitudes on the Qinghai-Tibetan Plateau.
KeywordTibetan Plateau Entomopathogenic Fungi Ltr Retrotransposons High-altitude Identification Peroxidase Himalayas Virulence Sequence Reveals
Language英语
Document Type期刊论文
Identifierhttp://ir.xtbg.org.cn/handle/353005/10412
Collection协同进化组
Recommended Citation
GB/T 7714
Xia, En-Hua,Yang, Da-Rong,Jiang, Jian-Jun,et al. The caterpillar fungus, Ophiocordyceps sinensis, genome provides insights into highland adaptation of fungal pathogenicity[J]. SCIENTIFIC REPORTS,2017,7(x):1806.
APA Xia, En-Hua,Yang, Da-Rong,Jiang, Jian-Jun,&et al.(2017).The caterpillar fungus, Ophiocordyceps sinensis, genome provides insights into highland adaptation of fungal pathogenicity.SCIENTIFIC REPORTS,7(x),1806.
MLA Xia, En-Hua,et al."The caterpillar fungus, Ophiocordyceps sinensis, genome provides insights into highland adaptation of fungal pathogenicity".SCIENTIFIC REPORTS 7.x(2017):1806.
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