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Contribution of prgH gene for Salmonella Pullorum to virulence and the expression of NLRP3, Caspase-1 and IL-1 beta in chickens  ( SCI-EXPANDED收录)  

文献类型:期刊文献

英文题名:Contribution of prgH gene for Salmonella Pullorum to virulence and the expression of NLRP3, Caspase-1 and IL-1 beta in chickens

作者:Yin, Junlei[1];Cheng, Zhao[2];Xu, Zhenyu[1];Zhi, Lijuan[1];Zhang, Yige[1];Yuan, Xinzhong[1];Pan, Pengtao[1];Sun, Weiwei[1];Yu, Tao[2];Liu, Tiantian[1]

通讯作者:Cheng, Z[1]

机构:[1]Xinxiang Univ, Coll Med, Xinxiang, Henan, Peoples R China;[2]Xinxiang Univ, Sch Life Sci & Basic Med, 191 East Jinsui Rd, Xinxiang 453003, Henan, Peoples R China

第一机构:新乡学院

通讯机构:[1]corresponding author), Xinxiang Univ, Sch Life Sci & Basic Med, 191 East Jinsui Rd, Xinxiang 453003, Henan, Peoples R China.|[11071]新乡学院;

年份:2022

卷号:171

外文期刊名:MICROBIAL PATHOGENESIS

收录:;WOS:【SCI-EXPANDED(收录号:WOS:000900276100005)】;

基金:National Natural Science Foundation of China (81702074); Natural Science Foundation of Henan (202300410014); and PhD Programs Foundation of Xinxiang University (1366020121).

语种:英文

外文关键词:Sallmonella pullorum; prgH; Virulence; NLRP3; Caspase-1; IL-1 beta

摘要:Type III secretion system 1 (T3SS1) encoded by Salmonella pathogenicity island 1 (SPI1) is associated with invasion of host cells by Salmonella, PrgH encoded by prgH gene is an important component of T3SS1. This study aimed to explore the contribution of prgH gene for Salmonella Pullorum to virulence and the expression of NLRP3, Caspase-1 and IL-1 beta in chickens. A prgH gene deletion mutant (C79-13 Delta prgH) was firstly generated, and the result of LD50 showed that deletion of prgH significantly decreased the virulence of Salmonella Pullorum in one-day-old HY-line white chickens, and the colonization also decreased in chickens after loss of prgH. Next, the expressions of NLRP3, Caspase-1, and IL-1 beta were detected in acute infection model of chickens by qRT-PCR and/or ELISA, respectively, and the results showed that the mutant strain C79-13 Delta prgH reduced the expression levels of NLRP3, Caspase-1, and IL-1 beta in chickens compared to the group infected with the wild type strain C79-13. Taken together, all of these findings indicated that prgH promotes the virulence and the expression of NLRP3, Caspase-1, and IL-1 beta for Salmonella Pullorum in chickens.

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