Genomic analysis and experimental pathogenic characterization of Riemerella anatipestifer isolates from chickens in China

文献类型： 外文期刊

第一作者： Chen, Yibao

作者： Chen, Yibao;Liu, Zhengjie;Hu, Ming;Luo, Yanbo;Zhang, Qing;Li, Lulu;Zhao, Xiaonan;Zhao, Min;Liu, Yuqing;Li, Xiaojing;Luo, Yanbo;Liu, Wenhua;Ma, Jinxiang

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关键词： R. anatipestifer; genome analysis; infection chicken; jelly-like; vertically

期刊名称：POULTRY SCIENCE （ 影响因子：4.4； 五年影响因子：4.4 ）

ISSN： 0032-5791

年卷期： 2024 年 103 卷 4 期

页码：

收录情况： SCI

摘要： Waterfowl have a high likelihood of being infected with Riemerella anatipestifer. Although the pathogen is found in domestic ducks, turkeys, geese, and wild birds, there is little information available about the consequences of infection during egg laying and hatching in chickens. Here, we anatipestifer S63 isolated from chickens in China. On the basis of pan-genome analysis, we showed S630s tipestifer isolates from other hosts. Galleria mellonella anatipestifer Ra36 isolated from ducks. Ducks and hens are susceptible to S63 infection. There is no mortality rate for chickens or ducks, but adult chick- ens experience neurological symptoms that reduce egg production , hatching rates. In chickens, S63 might be passed vertically from parents to offspring, resulting in "jelly-like" lifeless embryos. Using quanti- tative PCR, S63 was detected in the brain, liver, reproductive organs , embryos. As far as we know, this is the first report of R. anatipestifer in hens, a disease that can reduce egg productivity, lower hatching rates, and produce jelly-like lifeless embryos, and the first report to raise the possibility that hens can be infected by roosters via semen.

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