Abstract
Listeria monocytogenes is the foodborne pathogen responsible for a bacterial infection called listeriosis. Here, we present the whole-genome sequences of two L. monocytogenes serovars, 1/2a and 4b, which are considered the most prevalent in food processing plants and listeriosis outbreaks, respectively.
Highlights
Listeria monocytogenes is the foodborne pathogen responsible for a bacterial infection called listeriosis
Thirteen different serovars were already described for this bacterium, but three serovars denominated 1/2a, 1/2 b, and 4 b are responsible for most human cases of listeriosis [1]
Four evolutive lineages (I, II, III, and IV) have been described for the microorganism, and serovar 1/2a belongs to lineage II, most involved with food contamination [2], as it is frequently isolated from food sources or food processing plants [3]
Summary
Listeria monocytogenes is the foodborne pathogen responsible for a bacterial infection called listeriosis. Listeria monocytogenes is a psychrotrophic microorganism, widely distributed in the environment. Thirteen different serovars were already described for this bacterium, but three serovars denominated 1/2a, 1/2 b, and 4 b are responsible for most human cases of listeriosis [1].
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