Ribosomal internal transcribed spacer sequences are identical among Mycobacterium avium-intracellulare complex isolates from AIDS patients, but vary among isolates from elderly pulmonary disease patients

Abstract excerpt

Sequencing 280 bp of the internal transcribed spacer (ITS) between the 16S and 23S rRNA genes in a collection of 46 clinical isolates of the Mycobacterium avium-intracellulare complex (MAI complex) identified nine different sequences, grouping these isolates in nine 'ITS sequevars'. This analysis extends the subdivision within the MAI complex to 18 ITS sequevars and also improves discrimination from other...

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