Transcriptome response of a new serotype of avian type Klebsiella varicella strain to chicken sera
文献类型： 外文期刊
作者： Yin, Lei 1 ; Shen, Xuehuai 1 ; Zhang, Danjun 1 ; Zhao, Ruihong 1 ; Dai, Yin 1 ; Hu, Xiaomiao 1 ; Wang, Jieru 1 ; Hou, Hongyan 1 ; Pan, Xiaocheng 1 ; Qi, Kezong 3 ;
作者机构： 1.Anhui Acad Agr Sci, Livestock & Poultry Epidem Dis Res Ctr Anhui Prov, Inst Anim Husb & Vet Sci, Hefei 230031, Anhui, Peoples R China
2.Anhui Prov Key Lab Livestock & Poultry Prod Safet, Hefei 230031, Anhui, Peoples R China
3.Anhui Agr Univ, Coll Anim Sci & Technol, Anhui Prov Key Lab Vet Pathobiol & Dis Control, Hefei 230036, Peoples R China
关键词： Klebsiella variicola; Bloodstream infection; RNA-seq; Chicken serum; Pathogenesis; Adaptive responses
期刊名称：RESEARCH IN VETERINARY SCIENCE （ 影响因子：2.554； 五年影响因子：2.564 ）
ISSN： 0034-5288
年卷期： 2022 年 145 卷
页码：
收录情况： SCI
摘要： Klebsiella variicola is a newly discovered pathogen of zoonotic importance, commonly causing serious systemic infection via the bloodstream route. However, the mechanism by which K. variicola survives and grows in the bloodstream is poorly understood. In a previous study, a strain of Klebsiella causing chicken bloodstream infection was obtained, and whole genome sequencing showed that it was a new ST174 type K. variicola. Therefore, the present study aimed to determine the molecular mechanism underlying the survival and devel-opment of K. variicola in host serum. First, we compared the transcriptomes of K. variicola grown in Luria-Bertani broth and chicken serum. We sequenced six RNA libraries from the two groups, each library had three repeats. A total of 1046 differentially expressed genes were identified. Functional annotation analysis showed that the differentially expressed genes are mainly involved in adaptive metabolism, biosynthesis pathways (including biosynthesis of siderophore group nonribosomal peptides and lipopolysaccharide (LPS) biosynthesis), stress resistance, and several known virulence regulatory systems (including the ABC transporter system, the two-component signal transduction system and the quorum sensing system). These genes are expected to contribute to the adaptation and growth of K. variicola in host birds. This analysis provides a new insight into the pathogenesis of K. variicola.
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