Bacterial growth

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,…

3 weeks ago

Biphasic Medium in Microbiology: Introduction, Application, Merit, Demerits, and Keynotes

Introduction A biphasic medium is a culture system that combines both liquid (broth) and solid (agar) phases in the same…

11 months ago

Presence of Numerous Pus Cells Without Detectable Microbes in Gram-Stained Sputum: Introduction, Diagnostic Implications, and Clinical Considerations

Introduction Gram staining is a routine diagnostic tool for respiratory infections. It reveals bacteria in sputum samples. Occasionally, Gram staining…

2 years ago

Serratia liquefaciens: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Introduction Serratia liquefaciens is a species of Gram-negative, rod-shaped bacteria belonging to the genus Serratia. This bacterium is known for…

3 years ago

Tryptone Soy Broth: Introduction, Composition, Principle, Preparation, Testing Procedure, Colony Characteristics, Limitations, and Keynotes

Introduction and Composition Tryptone Soy Broth (TSB) is a versatile and widely used liquid medium in microbiology. It is a…

3 years ago