Answer to Question #92927 in Microbiology for ataniya singh

Question #92927
Explain how Staphylococcus aureus strains acquire virulence factors.
1
Expert's answer
2019-08-20T04:49:22-0400

The acquisition of virulence factors by S. aureus happens via horizontal gene transfer of mobile genetic elements (MGEs) that allows fast adaptation to host environment. S.aureus MGEs include plasmids, transposons, insertion sequences, pathogenicity islands, and staphylococcal cassette chromosomes. MGEs make 25% of S. aureus genome and contain both virulence factors and antibiotic determinants.


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