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Updated: Apr 24, 2026

Identification of Mycobacterium Species by DNA Microarray Chip Method
Published on: June 24, 2025
Identification and comparative analysis of a genomic island in Mycobacterium avium subsp. hominissuis
Annesha Lahiri1, Andrea Sanchini1, Torsten Semmler2
1Robert Koch Institute, Division 16 Mycotic and Parasitic Agents and Mycobacteria, Nordufer 20, 13353 Berlin, Germany.
Abstract:
Mycobacterium avium subsp. hominissuis (MAH) is an environmental bacterium causing opportunistic infections. The objective of this study was to identify flexible genome regions in MAH isolated from different sources. By comparing five complete and draft MAH genomes we identified a genomic island conferring additional flexibility to the MAH genomes. The island was absent in one of the five strains and had sizes between 16.37 and 84.85kb in the four other strains. The genes present in the islands differed among strains and included phage- and plasmid-derived genes, integrase genes, hypothetical genes, and virulence-associated genes like mmpL or mce genes.
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