Virome comparisons in wild-diseased and healthy captive giant pandas

文献类型： 外文期刊

第一作者： Zhang, Wen

作者： Zhang, Wen;Yang, Shixing;Liu, Zhijian;Wang, Yan;Wang, Xiaochun;Wang, Hua;Shen, Quan;Zhang, Wen;Hou, Rong;Chen, Peng;Feng, Feifei;Chen, Chao;Zhang, Zhihe;Qi, Dunwu;Shan, Tongling;Li, Wang;Zhou, Chenglin;Guo, Lianghua;Hua, Xiuguo;Cui, Li;Deng, Xutao;Delwart, Eric;Qi, Dunwu

作者机构：

关键词： Giant panda;Viral metagenomics;Virome;Papillomavirus;Picornavirus;Anellovirus;Gemycircularvirus;Putative circovirus

期刊名称：MICROBIOME （ 影响因子：14.65； 五年影响因子：15.677 ）

ISSN： 2049-2618

年卷期： 2017 年 5 卷

页码：

收录情况： SCI

摘要： Background: The giant panda (Ailuropoda melanoleuca) is a vulnerable mammal herbivore living wild in central China. Viral infections have become a potential threat to the health of these endangered animals, but limited information related to these infections is available. Methods: Using a viral metagenomic approach, we surveyed viruses in the feces, nasopharyngeal secretions, blood, and different tissues from a wild giant panda that died from an unknown disease, a healthy wild giant panda, and 46 healthy captive animals. Results: The previously uncharacterized complete or near complete genomes of four viruses from three genera in Papillomaviridae family, six viruses in a proposed new Picornaviridae genus (Aimelvirus), two unclassified viruses related to posaviruses in Picornavirales order, 19 anelloviruses in four different clades of Anelloviridae family, four putative circoviruses, and 15 viruses belonging to the recently described Genomoviridae family were sequenced. Reflecting the diet of giant pandas, numerous insect virus sequences related to the families Iflaviridae, Dicistroviridae, Iridoviridae, Baculoviridae, Polydnaviridae, and subfamily Densovirinae and plant viruses sequences related to the families Tombusviridae, Partitiviridae, Secoviridae, Geminiviridae, Luteoviridae, Virgaviridae, and Rhabdoviridae; genus Umbravirus, Alphaflexiviridae, and Phycodnaviridae were also detected in fecal samples. A small number of insect virus sequences were also detected in the nasopharyngeal secretions of healthy giant pandas and lung tissues from the dead wild giant panda. Although the viral families present in the sick giant panda were also detected in the healthy ones, a higher proportion of papillomaviruses, picornaviruses, and anelloviruses reads were detected in the diseased panda. Conclusion: This viral survey increases our understanding of eukaryotic viruses in giant pandas and provides a baseline for comparison to viruses detected in future infectious disease outbreaks. The similar viral families detected in sick and healthy giant pandas indicate that these viruses result in commensal infections in most immuno-competent animals.

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