Whole genome analysis of Salmonella Gallinarum strains isolated from a fowl typhoid outbreak in southern Brazil.

IF 1.6 3区 农林科学 Q2 AGRICULTURE, DAIRY & ANIMAL SCIENCE British Poultry Science Pub Date : 2024-09-11 DOI:10.1080/00071668.2024.2394973
N N Rizzo, A S P Núncio, R Levandowski, C A D Nascimento, K A Borges, T Q Furian, L Ruschel Dos Santos, F Pilotto, L B Rodrigues, V P Nascimento
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Abstract

1. Salmonella Gallinarum strains isolated from a southern Brazil fowl typhoid outbreak were subjected to phenotypic and genotypic analyses to identify genetic elements that could improve prevention and control strategies.2. Whole-genome sequencing revealed the presence of the aac(6')-Iaa gene, conferring aminoglycoside resistance, along with novel chromosomal point mutations, including the first detection of parE p.S451F in Salmonella Gallinarum.3. Additionally, IncFII(S) plasmid replicons, Salmonella pathogenicity islands and 105 virulence genes associated with cell adhesion, invasion and antimicrobial peptide resistance were identified.4. These findings shed light on the molecular mechanisms of fowl typhoid and provide crucial insights into emerging antimicrobial resistance and virulence factors.

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从巴西南部禽伤寒疫情中分离出的加里纳氏沙门氏菌菌株的全基因组分析。
1.对从巴西南部禽伤寒疫情中分离出的加里纳氏沙门氏菌菌株进行了表型和基因型分析,以确定可改善预防和控制策略的遗传要素。 2. 全基因组测序显示,加里纳氏沙门氏菌中存在赋予氨基糖苷类抗性的 aac(6')-Iaa 基因,以及新型染色体点突变,包括首次检测到 parE p.S451F。此外,还发现了 IncFII(S)质粒复制子、沙门氏菌致病岛以及 105 个与细胞粘附、侵袭和抗菌肽耐药性有关的毒力基因。 这些发现揭示了鸡伤寒的分子机制,并为了解新出现的抗菌素耐药性和毒力因素提供了重要依据。
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来源期刊
British Poultry Science
British Poultry Science 农林科学-奶制品与动物科学
CiteScore
3.90
自引率
5.00%
发文量
88
审稿时长
4.5 months
期刊介绍: From its first volume in 1960, British Poultry Science has been a leading international journal for poultry scientists and advisers to the poultry industry throughout the world. Over 60% of the independently refereed papers published originate outside the UK. Most typically they report the results of biological studies with an experimental approach which either make an original contribution to fundamental science or are of obvious application to the industry. Subjects which are covered include: anatomy, embryology, biochemistry, biophysics, physiology, reproduction and genetics, behaviour, microbiology, endocrinology, nutrition, environmental science, food science, feeding stuffs and feeding, management and housing welfare, breeding, hatching, poultry meat and egg yields and quality.Papers that adopt a modelling approach or describe the scientific background to new equipment or apparatus directly relevant to the industry are also published. The journal also features rapid publication of Short Communications. Summaries of papers presented at the Spring Meeting of the UK Branch of the WPSA are published in British Poultry Abstracts .
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