Genome analysis reveals insights into high-resistance and virulence of Salmonella Enteritidis involved in foodborne outbreaks

• Published in: International journal of food microbiology Vol. 306; p. 108269
• Main Authors: Ritter, Ana Carolina, Tondo, Eduardo Cesar, Siqueira, Franciele Maboni, Soggiu, Alessio, Varela, Ana Paula Muterle, Mayer, Fabiana Quoos, Brandelli, Adriano
• Format: Journal Article
• Language: English
• Published: Netherlands Elsevier B.V 02.10.2019; Elsevier BV
• Subjects: Acid resistance; Biocides; Foodborne diseases; Foodborne outbreaks; Genes; Genome; Genomes; Outbreaks; Salmonella; Salmonella Enteritidis; Salmonellosis; Thermal resistance; Virulence; Brazil; Genome; Foodborne outbreaks; Salmonella Enteritidis
• ISSN: 0168-1605; 1879-3460
• DOI: 10.1016/j.ijfoodmicro.2019.108269

Salmonella enterica serovar Enteritidis strain SE86 has been associated with several foodborne diseases occurring in Southern Brazil, becoming and important causative agent of human salmonellosis. In this work, the complete genome of the bacterium Salmonella Enteritidis SE86 was sequenced using the Illumina MiSeq platform. An in silico analysis of the SE86 genome was performed in order to compare it with different Salmonella strains as well as to investigate the presence of stress-resistance and virulence genes. This strain showed a variety of genes that can be involved in antimicrobial and biocide resistance, acid and thermal resistance as well as virulence and adhesion. These genetic features could explain its increased resistance and the prevalence of this strain in foodborne outbreaks in Southern Brazil. •Complete genome sequence of foodborne associated Salmonella Enteritidis SE86•Detection of several genes associated with antimicrobial, pH and thermal resistance•Virulence and adhesion genes are present in the SE86 genome.•Genetic features could explain the prevalence of SE86 in foodborne outbreaks.