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一株肠炎沙门氏菌加利福尼亚血清型菌株在西班牙饲料厂中的传播检测及利用DNA微阵列进行基因特征分析

Detection of a Salmonella enterica serovar California strain spreading in spanish feed mills and genetic characterization with DNA microarrays.

作者信息

Alvarez Juan, Porwollik Steffen, Laconcha Idoia, Gisakis Vassilis, Vivanco Ana Belén, Gonzalez Iratxe, Echenagusia Susana, Zabala Nieves, Blackmer Felisa, McClelland Michael, Rementeria Aitor, Garaizar Javier

机构信息

Department of Immunology, Microbiology, and Parasitology, School of Pharmacy, University of the Basque Country, 01006 Vitoria-Gasteiz, Spain.

出版信息

Appl Environ Microbiol. 2003 Dec;69(12):7531-4. doi: 10.1128/AEM.69.12.7531-7534.2003.

Abstract

We performed an epidemiological study on Salmonella isolated from raw plant-based feed in Spanish mills. Overall, 32 different Salmonella serovars were detected. Despite its rare occurrence in humans and animals, Salmonella enterica serovar California was found to be the predominant serovar in Spanish feed mills. Different typing techniques showed that isolates of this serovar were genetically closely related, and comparative genomic hybridization using microarray technology revealed 23 S. enterica serovar Typhimurium LT2 gene clusters that are absent from serovar California.

摘要

我们对西班牙工厂中从生植物性饲料分离出的沙门氏菌进行了一项流行病学研究。总体而言,检测到32种不同的沙门氏菌血清型。尽管肠炎沙门氏菌加利福尼亚血清型在人和动物中罕见,但它却是西班牙饲料厂中的主要血清型。不同的分型技术表明,该血清型的分离株在基因上密切相关,并且使用微阵列技术的比较基因组杂交显示,肠炎沙门氏菌鼠伤寒血清型LT2有23个基因簇在加利福尼亚血清型中不存在。

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