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pathogenicity island

   Also found in: Acronyms, Wikipedia 0.03 sec.
pathogenicity island [‚path·ə·jə′nis·əd·ē ‚ī·lənd]
(genetics)
A deoxyribonucleic acid cluster commonly containing genes associated with pathogenesis. Also known as virulence cassette.


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Many disease-related STEC serogroups, including the most prevalent O157:H7 clone, possess a chromosomal pathogenicity island termed the locus of enterocyte effacement (LEE) (2).
coli pathogenicity islands (isolated DNA segments having high concentrations of pathogenic genes) for sequencing by Human Genome Sciences.
The second cluster contains 2 copies of the tdh gene and is located on a pathogenicity island (a discrete genetic unit that contains genes responsible for pathogenicity and virulence) probably obtained by recent lateral transfer (11).
 
 
 
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