2004 NOV 29 - (NewsRx.com & NewsRx.net) -- The Beijing/W lineage of Mycobacterium tuberculosis has been defined on the basis of genetic markers.
"Mycobacterium tuberculosis Beijing genotype strains are highly prevalent in Asian countries and in the territory of the former Soviet Union. They are increasingly reported in other areas of the world and are frequently associated with tuberculosis outbreaks and drug resistance.
"Beijing genotype strains, including W strains, have been characterized by their highly similar multicopy IS6110 restriction fragment length polymorphism (RFLP) patterns, deletion of spacers 1 to 34 in the direct repeat region (Beijing …
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