Bacteriology

First-Line Drug Susceptibility Testing (SL-DST) for Tuberculosis: Introduction, Principle, Procedure, Result-Interpretation, and Keynotes

 Introduction First-Line Drug Susceptibility Testing (FL-DST or sometimes referred to in context as SL-DST when covering all first-line agents: Rifampicin,…

1 hour ago

Second-Line Drug Susceptibility Testing (SL-DST) for Tuberculosis:Introduction, Principle, Procedure, Result-Interpretation, and Keynotes

Introduction Second-line drug susceptibility testing (SL-DST) for tuberculosis is a crucial laboratory procedure designed to detect resistance to anti-TB drugs…

2 days ago

Xpert MTB/RIF: Introduction, Principle, Procedure, Result-Interpretation, Uses, and Keynotes

Introduction The Xpert MTB/RIF assay is an automated, cartridge-based molecular test used to detect Mycobacterium tuberculosis (MTB) and rifampicin (RIF) resistance, the…

3 days ago

Bacterial Load (Decoding the CFU): Introduction, Ranges, Application, and Keynotes

Introduction of Bacterial Load (Decoding the CFU) Bacterial load, measured in Colony-Forming Units (CFU), is a fundamental concept in microbiology…

4 days ago

Xpert MTB/RIF Ultra: Introduction, Principle, Procedure, Result-Interpretation, Uses, and Keynotes

Introduction Xpert MTB/RIF Ultra is an automated diagnostic test designed for the rapid and simultaneous detection of Mycobacterium tuberculosis (MTB)…

4 days ago

Contamination in L-J Media: Introduction, Common Contaminant, Identification clues, Minimization tricks, and Keynotes

Introduction Lowenstein-Jensen (L-J) medium is the gold standard for the cultivation of Mycobacterium tuberculosis. However, because it is an egg-based,…

5 days ago

Xpert MTB-XDR: Introduction, Principle, Procedure, Result-Interpretation, Uses, and Keynotes

Introduction The Xpert MTB/XDR assay is an advanced molecular diagnostic tool designed by Cepheid to rapidly detect Mycobacterium tuberculosis complex…

5 days ago

Middlebrook 7H9 Broth: Introduction, Composition, Principle, Procedure, Result-Interpretation, Uses, and Keynotes

Introduction Middlebrook 7H9 broth is a liquid growth medium first described in 1958 by Middlebrook and Cohn for the specialized…

5 days ago

BACTEC MGIT 960: Introduction, Principle, Procedure, Result-Interpretation, Application, and Keynotes

Introduction The system consists of an incubator-reader that can hold up to 960 culture tubes (7 ml size), allowing it to process…

1 week ago

Glass Beads in TB Lab: Introduction, Function, Uses, and Keynotes

Introduction to Glass Beads In a Tuberculosis (TB) laboratory, glass beads are essential tools primarily used to homogenize thick clinical…

1 week ago