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Introduction Citrobacter werkmanii is a gram-negative bacterium commonly found in the intestinal tract of humans and animals. It is an opportunistic pathogen, typically causing infections in immunocompromised individuals. It can lead to urinary tract infections (UTIs), wound infections, and bacteremia. Additionally, it is known for antibiotic resistance, complicating treatment. Identifying C. werkmanii is crucial for appropriate therapeutic management, particularly in hospital settings where it can cause serious infections in vulnerable patients. Morphology Citrobacter werkmanii is a...

Introduction Pantoea is a Gram-negative bacterium belonging to the Enterobacteriaceae family. Interestingly, it thrives in diverse environments, including plants, soil, and water. Moreover, Pantoea species show adaptability as opportunistic pathogens in humans. They primarily infect immunocompromised individuals, often causing bloodstream or wound infections. Notably, it disperses through hospital environments via contaminated medical equipment or fluids. Additionally, its identification relies on biochemical and molecular techniques for accurate differentiation from related bacteria. Importantly, Pantoea species exhibit multidrug resistance,...

Introduction The detection of rifampicin resistance in Mycobacterium tuberculosis is primarily based on identifying mutations in the rpoB gene, which encodes the β-subunit of RNA polymerase. This gene is critical for rifampicin binding, and mutations in its rifampicin resistance-determining region (RRDR) are strongly associated with resistance. An indeterminate result in rifampicin resistance testing typically indicates that the diagnostic test, such as GeneXpert MTB/RIF or other molecular assays, could not definitively confirm whether the sample contains rifampicin-resistant...