July 7, 2019  |  

Whole-genome comparative analysis of Salmonella enterica serovar Newport strains reveals lineage-specific divergence.

Authors: Zheng, Jie and Luo, Yan and Reed, Elizabeth and Bell, Rebecca and Brown, Eric W and Hoffmann, Maria

Salmonella enterica subsp. enterica serovar Newport has been associated with various foodborne outbreaks in humans and animals. Phylogenetically, serovar Newport is one of several Salmonella serovars that are polyphyletic. To understand more about the polyphyletic nature of this serovar, six food, environment, and human isolates from different Newport lineages were selected for genome comparison analyses. Whole genome comparisons demonstrated that heterogeneity mostly occurred in the prophage regions. Lineage-specific characteristics were also present in the Salmonella pathogenicity islands and fimbrial operons. Published by Oxford University Press on behalf of the Society for Molecular Biology and Evolution 2017. This work is written by US Government employees and is in the public domain in the US.

Journal: Genome biology and evolution
DOI: 10.1093/gbe/evx065
Year: 2017

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