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Isolation and Characterization of 2019-nCoV-like Coronavirus from Malayan Pangolins

Open access
Xiao, Kangpeng, Zhai, Junqiong, Feng, Yaoyu, Zhou, Niu, Zhang, Xu, Zou, Jie-Jian, Li, Na, Guo, Yaqiong, Li, Xiaobing, Shen, Xuejuan, Zhang, Zhipeng, Shu, Fanfan, Huang, Wanyi, Li, Yu, Zhang, Ziding, Chen, Rui-Ai, Wu, Ya-Jiang, Peng, Shi-Ming, Huang, Mian, Xie, Wei-Jun, Cai, Qin-Hui, Hou, Fang-Hui, Liu, Yahong, Chen, Wu, Xiao, Lihua, Shen, Yongyi·2020·bioRxiv (Cold Spring Harbor Laboratory)

Abstract

The outbreak of 2019-nCoV in the central Chinese city of Wuhan at the end of 2019 poses unprecedent public health challenges to both China and the rest world 1 . The new coronavirus shares high sequence identity to SARS-CoV and a newly identified bat coronavirus 2 . While bats may be the reservoir host for various coronaviruses, whether 2019-nCoV has other hosts is still ambiguous. In this study, one coronavirus isolated from Malayan pangolins showed 100%, 98.2%, 96.7% and 90.4% amino acid identity with 2019-nCoV in the E, M, N and S genes, respectively. In particular, the receptor-binding domain of the S protein of the Pangolin-CoV is virtually identical to that of 2019-nCoV, with one amino acid difference. Comparison of available genomes suggests 2019-nCoV might have originated from the recombination of a Pangolin-CoV-like virus with a Bat-CoV-RaTG13-like virus. Infected pangolins showed clinical signs and histopathological changes, and the circulating antibodies reacted with the S protein of 2019-nCoV. The isolation of a coronavirus that is highly related to 2019-nCoV in the pangolins suggests that these animals have the potential to act as the intermediate host of 2019-nCoV. The newly identified coronavirus in the most-trafficked mammal could represent a continuous threat to public health if wildlife trade is not effectively controlled.

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Metadata

Authors
Xiao, K., Zhai, J., Feng, Y., Zhou, N., Zhang, X., Zou, J.-J., Li, N., Guo, Y., Li, X., Shen, X., Zhang, Z., Shu, F., Huang, W., Li, Y., Zhang, Z., Chen, R.-A., Wu, Y.-J., Peng, S.-M., Huang, M., Xie, W.-J., Cai, Q.-H., Hou, F.-H., Liu, Y., Chen, W., Xiao, L., & Shen, Y.
Venue
bioRxiv (Cold Spring Harbor Laboratory)
Publisher
openRxiv
Published
2020-02-20
OpenAlex
W3007146834
Cited by
200
References
2
Type
posted content
Language
en
Open access
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CoChat. (2026). Citation check: Isolation and Characterization of 2019-nCoV-like Coronavirus from Malayan Pangolins. https://app.cochat.ai/papers/10.1101/2020.02.17.951335
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Xiao, K., Zhai, J., Feng, Y., Zhou, N., Zhang, X., Zou, J.-J., Li, N., Guo, Y., Li, X., Shen, X., Zhang, Z., Shu, F., Huang, W., Li, Y., Zhang, Z., Chen, R.-A., Wu, Y.-J., Peng, S.-M., Huang, M., . . . Shen, Y. (2020). Isolation and Characterization of 2019-nCoV-like Coronavirus from Malayan Pangolins. bioRxiv (Cold Spring Harbor Laboratory). https://doi.org/10.1101/2020.02.17.951335

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