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研究领域生物科学生物信息学和计算生物学基因组学和转录组学
来自巴西的塞罗和施瓦辛格朗的综合全基因组测序和体鉴定

来自巴西的塞罗和施瓦辛格朗的综合全基因组测序和体鉴定

Nathaly Barros Nunes ¹, Vinicius Silva Castro ¹, Adelino da Cunha-Neto ^2,3, Fernanda Tavares Carvalho ³, Ricardo César Tavares Carvalho ³, Eduardo Eustáquio de Souza Figueiredo ^1,2

Nathaly Barros Nunes ¹, Vinicius Silva Castro ¹, Adelino da Cunha-Neto ^2,3

¹Faculty of Agronomy and Zootechnics, Federal University of Mato Grosso (UFMT), Cuiabá 78060-900, MT, Brazil.
²Faculty of Nutrition, Federal University of Mato Grosso (UFMT), Cuiabá 78060-900, MT, Brazil.
³Program in Animal Bioscience, University of Cuiabá (UNIC), Cuiabá 78065-900, MT, Brazil.

⁰Faculty of Agronomy and Zootechnics, Federal University of Mato Grosso (UFMT), Cuiabá 78060-900, MT, Brazil.

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2025年八月28日

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在PubMed上查看摘要

概括

此摘要是机器生成的。

这项研究分析了两个巴西沙门氏菌株,揭示了不同的毒性因子和抗菌耐药性. 由于基因组多样性,Schwarzengrund表现出更高的耐药性和毒性潜力.

科学领域

微生物学
基因组学
食品安全问题

背景情况

沙门氏菌会导致食物传播疾病.
使用全基因组测序 (WGS) 分析了巴西奶酪和牛肉的两种菌株.

研究的目的

使用WGS对菌株进行表征.
评估抗微生物耐药性,毒性因子,等离子体含量,血清型和遗传关系.
将发现与巴西菌基因组的大数据库进行比较.

主要方法

在NovaSeq 6000上进行DNA提取和测序.
使用Roary进行Pangenome组装.
通过IQ-TREE构建遗传树.

主要成果

这两种菌株都携带了*aac(6') -Iaa_1*基因;Schwarzengrund还具有*qnrB19_1*和*Col440I_1*等离子体.
鉴定出不同的沙门氏菌病原性岛屿 (SPI):Cerro有SPI-1-5,9;Schwarzengrund有SPI-13,14.
施瓦辛格兰德具有较高的抗菌耐药性和毒性潜力,这与等离子体的存在和SPI多样性有关.

结论

这两种 Salmonella 血清病毒具有不同的毒性特征.
这些差异可能导致不同的临床结果.
与国家数据相比,这些菌株具有致病潜力,但抗菌耐药性相对较低.

关键词:

沙门氏菌沙门氏菌沙门氏菌机械设备细菌的毒性牛肉奶酪致病性全基因组测序

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