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Autophagy induced by avian reovirus enhances viral replication in chickens at the early stage of infection.


ABSTRACT: BACKGROUND:Avian reovirus (ARV) is an important pathogen that can cause serious disease in poultry. Though several in vitro studies revealed some molecular mechanisms that are responsible for ARV-induced autophagy, it is still largely unknown how ARV manipulates autophagy to promote its own propagation. RESULTS:In this study, we demonstrated that ARV infection triggered autophagy in chicken tissues, evident from the enhancement of LC3-I/-II conversion and the appearance of abundant autophagosomes. Moreover, viral replication and the expression of IL-1? were coupled with the process of ARV-induced autophagy in the early stage of infection. Furthermore, regulation of autophagy affected the accumulation of LC3-II, the production of ARV and the expression of IL-1?. CONCLUSIONS:Altogether, our data suggest that ARV induces autophagy, which benefits its replication and dissemination in chicken tissues at the early infection stage.

SUBMITTER: Niu X 

PROVIDER: S-EPMC6534907 | biostudies-literature | 2019 May

REPOSITORIES: biostudies-literature

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Autophagy induced by avian reovirus enhances viral replication in chickens at the early stage of infection.

Niu Xiaosai X   Zhang Chengcheng C   Wang Yuyang Y   Guo Mengjiao M   Ruan Baoyang B   Wang Xuefeng X   Wu Tianqi T   Zhang Xiaorong X   Wu Yantao Y  

BMC veterinary research 20190524 1


<h4>Background</h4>Avian reovirus (ARV) is an important pathogen that can cause serious disease in poultry. Though several in vitro studies revealed some molecular mechanisms that are responsible for ARV-induced autophagy, it is still largely unknown how ARV manipulates autophagy to promote its own propagation.<h4>Results</h4>In this study, we demonstrated that ARV infection triggered autophagy in chicken tissues, evident from the enhancement of LC3-I/-II conversion and the appearance of abundan  ...[more]

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