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Impacts of novel duck reovirus infection on the composition of intestinal microbiota of Muscovy ducklings

文献类型： 外文期刊

作者： Chen, Xiuqin 1 ; Zheng, Min 1 ; Lin, Fengqiang 1 ; Cheng, Xiaoxia 1 ; Xiao, Shifeng 1 ; Chen, Shaoying 1 ; Chen, Shilo 1 ;

作者机构： 1.Fujian Acad Agr Sci, Inst Anim Husb & Vet Med, Fuzhou 350013, Fujian, Peoples R China

2.Fujian Anim Dis Control Technol Dev Ctr, Fuzhou 350013, Fujian, Peoples R China

关键词： Novel duck reovirus; Microbiome; Dysbiosis

期刊名称：MICROBIAL PATHOGENESIS （ 影响因子：3.738； 五年影响因子：3.663 ）

ISSN： 0882-4010

年卷期： 2019 年 137 卷

页码：

收录情况： SCI

摘要： Novel duck reovirus (NDRV) is pathogenic to young ducks, which is characterized by hemorrhagic spots and necrotic foci of the livers and necrotic foci of spleens. However, the effect of NDRV infection on the composition of the hosts intestinal microbiota remains poorly understood. In this study, three-day-old Muscovy ducklings were inoculated with either the virulent NDRV strain NP03 or sterile Hank's solution. Through Illumina MiSeq sequencing, the whole cecal microbiota of healthy and NDRV infected ducklings was examined. The results showed that the gut microbiota was mainly dominated by Firmicutes, Proteobacteria and Bacteroidestes in both healthy and NDRV infected ducks. NDRV infection altered the relative abundance of bacteria. Specifically, families Ruminococcaceae and Lachnospiraceae were remarkably reduced, whereas Escherichia_Shigella belonging to family Enterobacteriaceae was significantly increased. Collectively, NDRV infection in Muscovy ducks resulted in a shift of the gut microbiota, including a net loss of probiotic bacteria with a compensatory expansion of pathogenic bacteria. These results provide new insights into the potential pathogenic mechanisms of NDRV.

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