Genetic and Phylogenetic Characteristics of Pasteurella multocida Isolates From Different Host Species
文献类型： 外文期刊
作者： Peng, Zhong 1 ; Liang, Wan 1 ; Wang, Fei 1 ; Xu, Zhuofei 5 ; Xie, Zhihao 6 ; Lian, Zhenghan 6 ; Hua, Lin 1 ; Zhou, Rui 1 ; C 1 ;
作者机构： 1.Huazhong Agr Univ, Coll Vet Med, Dept Prevent Vet Med, Wuhan, Hubei, Peoples R China
2.Huazhong Agr Univ, State Key Lab Agr Microbiol, Wuhan, Hubei, Peoples R China
3.Huazhong Agr Univ, Cooperat Innovat Ctr Sustainable Pig Prod, Wuhan, Hubei, Peoples R China
4.Hubei Acad Agr Sci, Inst Anim Husb & Vet Sci, Hubei Key Lab Anim Embryo & Mol Breeding, Wuhan, Hubei, Peoples R China
5.South China Normal Univ, Sch Life Sci, Ecol Res Inst, Guangzhou, Guangdong, Peoples R China
6.Guangdong Magigene Biotechnol Co Ltd, Guangzhou, Guangdong, Peoples R China
关键词： Pasteurella multocida; different host species; genetic characteristics; comparative genomics analysis; phylogeny
期刊名称：FRONTIERS IN MICROBIOLOGY （ 影响因子：5.64； 五年影响因子：6.32 ）
ISSN： 1664-302X
年卷期： 2018 年 9 卷
页码：
收录情况： SCI
摘要： Pasteurella multocida is a leading cause of respiratory diseases in many host species. To understand the genetic characteristics of P. multocida strains isolated from different host species, we sequenced the genomic DNA of P. multocida isolated from pigs and analyzed the genetic characteristics of strains from avian species, bovine species, pigs, and rabbits using whole genome sequence (WGS) data. Our results found that a capsular: lipopolysaccharide (LPS): multilocus sequence typing (MLST) genotype A: L1: ST129 (43.75%) was predominant in avian P. multocida; while genotypes B: L2: ST122 (60.00%) and A: L3: ST79 (30.00%) were predominate in bovine P. multocida; genotype D: L6: ST50 (37.50%) in porcine P. multocida; and genotype A: L3: ST9 (76.47%) in rabbit P. multocida. Comparative genomic analysis of P. multocida from different host species found that there are no genes in the P. multocida genome that are specific to any type of host. Phylogenetic analysis using either whole-genome single nucleotide polymorphisms (SNPs) or the set of SNPs present in all single-copy core genes across genomes showed that P. multocida strains with the same LPS genotype and MLST genotype were clustered together, suggesting the combining both the LPS and MLST typing schemes better explained the topology seen in the P. multocida phylogeny.
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