Contrasting Genetic Diversity of <i>Listeria</i> Pathogenicity Islands 3 and 4 Harbored by Nonpathogenic <i>Listeria</i> spp.
Sangmi Lee, Cameron Parsons, Yi Chen, Robert S. Dungan, Sophia Kathariou
Abstract
, LIPI-3 was uncommon and exhibited frequent truncation and genetic diversification, while LIPI-4 was remarkable in being ubiquitous, albeit diversified from L. monocytogenes. These contrasting features demonstrate that pathogenicity islands in nonpathogenic hosts can evolve along different trajectories, leading to either degeneration or maintenance, and highlight the need to examine their physiological roles in nonpathogenic hosts.
Topics & Concepts
ListeriaPathogenicityBiologyListeria monocytogenesMicrobiologyPathogenicity islandGenetic diversityBacteriaGeneticsSalmonellaMedicinePopulationEnvironmental healthListeria monocytogenes in Food SafetyEssential Oils and Antimicrobial ActivitySpectroscopy and Chemometric Analyses