Identification of a highly pathogenic Riemerella anatipestifer strain causing duck spleen marble-like necrosis disease in China

文献类型： 外文期刊

第一作者： Chen, Shilong

作者： Chen, Shilong;Lin, Chang;Jiang, Bin;Zhu, Xiaoli;Xiao, Shifeng;You, Guangju;Chen, Shaoying;Zeng, Xiancheng;Zheng, Xin

作者机构：

关键词： Duck spleen marble-like necrosis; Riemerella anatipestifer; Phylogenetic analysis

期刊名称：MICROBIAL PATHOGENESIS （ 影响因子：3.5； 五年影响因子：3.6 ）

ISSN： 0882-4010

年卷期： 2024 年 196 卷

页码：

收录情况： SCI

摘要： Duck spleen marble-like necrosis disease (DSMND) has been prevalent in Chinese duck farms since 2016. The etiological study was carried out in this study using etiological detection, pathogen isolation, whole genome sequencing, and artificial infection test. A highly pathogenic Riemerella anatipestifer (RA) strain was determined as the etiologic agent. Phylogenomic analysis showed that this RA strain was closely related to duck origin RA strain RCAD0421 and chicken origin RA strain S63. The clinical symptoms and pathological changes of artificial infection ducks were similar to those of clinical cases. This is the first identification of RA as the pathogen of DSMND, which provides a theoretical basis for this disease' s prevention and control.

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