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Introduction The core difference between these forms of drug-resistant tuberculosis (DR-TB) lies in which specific medications the Mycobacterium tuberculosis bacteria can survive. As resistance progresses from MDR-TB to Pre-XDR-TB and finally XDR-TB, treatment becomes longer, more complex, and relies on scarcer second-line drugs. Differences Comparison …
Introduction Pseudomonas putida is a versatile, Gram-negative, rod-shaped bacterium primarily known for its bioremediation capabilities but recognized as a rare opportunistic human pathogen. Found globally in soil, water, and plant roots, it thrives in diverse environments due to its unique metabolic endurance. Morphology and Characteristics …
Introduction Geotrichum klebahnii is a rare, opportunistic, yeast-like fungus that is found globally in environments like soil, dairy products, and organic waste, but can act as an emerging pathogen in humans. Along with Geotrichum candidum, it is one of the only species within its genus …
Introduction Morphology Pathogenicity Lab Diagnosis Treatment Prevention Keynotes Further Readings
Introduction Streptococcus mitis is a Gram-positive, alpha-hemolytic bacterium commonly found as a harmless commensal in the human oral cavity, but it can act as an opportunistic pathogen causing severe infections like infective endocarditis. Morphology Pathogenicity Lab Diagnosis Treatment Prevention Keynotes Further Reading
Introduction TB-LAMP (Tuberculosis Loop-Mediated Isothermal Amplification) is a manual, rapid molecular diagnostic test endorsed by the World Health Organization (WHO) to detect the Mycobacterium tuberculosis complex (MTBC) in sputum samples. It serves as a highly sensitive alternative to traditional sputum smear microscopy, particularly optimized for …
Introduction The NALC-NaOH (N-acetyl-L-cysteine–sodium hydroxide) method is the gold standard for processing clinical specimens in mycobacteriology laboratories. It prepares contaminated samples (like sputum) for successful culture on liquid media (such as the BD BACTEC™ MGIT™ 960) and solid media. Clinical samples from non-sterile sites naturally …
Introduction The BD BACTEC™ MGIT™ 960 (Mycobacteria Growth Indicator Tube) is a fully automated, high-volume culture system designed for the rapid detection of mycobacteria and subsequent drug susceptibility testing (DST). Developed by Becton Dickinson (BD), this nonradiometric system addresses the critical clinical need for accelerated …