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Novel avian leukosis viruses from domestic chicken breeds in mainland China

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Abstract

Two novel avian leukosis viruses (ALVs) were isolated from 1380 whole blood samples taken from domestic chicken breeds in China. The two ALVs were uniquely different from the env (Envelope) genes of ALV A-J and carried an LTR (long terminal repeat) cluster from ALV-E. Large scale sequence analysis further showed that these ALVs (with different env and LTRs) were recently endemic in domestic chicken breeds in both China and Japan. The emergence of these novel ALVs is challenging the current ALV eradication program, and as such novel ALVs should be monitored in a timely and careful manner to stop their transmission and further recombination in the future.

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Correspondence to Aijian Qin or Jianqiang Ye.

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Funding

This work was supported by the National Key Research & Development (R&D) Plan (2016YFD0501605,2016YFD0500803), the National Natural Science Foundation of China (31472171), Key University Science Research Project of Jiangsu Province (14KJA230002), National Science and Technology Transfer Funds Project (2014GB2C100292), Six Major Talent Project in Jiangsu Province (NY-039), Cultivation of Enterprise Leader and Innovative Talents Project in Changzhou City (CQ20140005), Science and Technology Support Program in Changzhou City (CE20142015), Science and Technology Support Program in Wujin District (WN201403) and the Priority Academic Program Development of Jiangsu Higher Education Institutions.

Conflict of interest

All of the authors have no conflict of interest.

Ethical approval

The sample collection from chickens was approved by the Animal Care Committee at Yangzhou University in accordance with the institutional animal care guidelines and the protocol (#06R015).

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Shao, H., Wang, L., Sang, J. et al. Novel avian leukosis viruses from domestic chicken breeds in mainland China. Arch Virol 162, 2073–2076 (2017). https://doi.org/10.1007/s00705-017-3344-y

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  • DOI: https://doi.org/10.1007/s00705-017-3344-y

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