Article
Occurrence of genetic variants of Listeria monocytogenes strains.
Foodborne pathogens and disease - 1 Sept 2013
Tham Wilhem, Lopez-Valladares Gloria, Helmersson Seved, Wennström Stefan, Österlund Anders, Danielsson-Tham Marie-Louise
Abstract excerpt
Isolates of Listeria monocytogenes saved from outbreaks of listeriosis, cases of sporadic listeriosis, and similar events do not always belong to a solitary genetic variant. Variants of the same strain may have evolved from a unique clone, and plasmid loss or gain and phage-mediated genetic changes are suggested as the main mechanism. Some of these reports are summarized in this short communication.
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