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Updated: May 24, 2026

Identification of Mycobacterium Species by DNA Microarray Chip Method
Published on: June 24, 2025
Direct detection of Mycobacterium tuberculosis complex in clinical samples by a molecular method based on GenoQuick
Raquel Moure1, Miriam Torres, Rogelio Martín
1Department of Microbiology, IDIBELL-Bellvitge Hospital, Feixa Llarga s/n, Hospitalet de Llobregat, Barcelona, Spain.
Abstract:
Several molecular systems for direct detection of Mycobacterium tuberculosis complex (MTBC) have recently been developed. The GenoQuick MTB assay (GQ-MTB) used in this study detected 82 of the 96 (85.4%) samples with MTBC, including 50 of 64 (78.1%) samples with negative acid-fast bacillus smears. Fifteen samples containing nontuberculous mycobacteria were also studied: 13 were GQ-MTB negative, one was positive, and one was indeterminate. GQ-MTB showed good effectiveness for the direct detection of MTBC from clinical samples.
