Mycoplasma: Morphology, Pathogenesis, Treatment
Mycoplasmas are group of bacteria those do not have cell wall and are highly pleomorphic, with no fixed shape or size.
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Bacteriology
Mycobacterium Tuberculosis
Mycobacteria are slender rods that sometimes show branching filamentous from resembling fungal mycelium. In liquid cultures they form a mold-like
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Brucella: Morphology, Cultural Characteristics, Biochemical Reactions, Prophylaxis
The genus Brucella consist of very small, nonmotile, aerobic, Gram negative coccobacilli those grow poorly on ordinary media and have little or
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Yersinia Pestis: Morphology, Cultural Characteristics, Biochemical Reactions, Resistance, Diagnosis
The plague bacillus and many other Gram negative, short bacilli that are primary pathogens of rodents were grouped together in
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Pseudomonas aeruginosa
Pseudomonas are a large group of aerobic, non sporing Gram negative bacilli, they are motile by polar flagella. They are
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Vibrio Cholerae: Morphology, Culture, Pathogenicity, Treatment
Vibrios are actively motile by means of a polar flagellum, they are Gram negative, rigid, curved rods. The name ‘vibrio’
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Salmonella – Morphology. Cultural Characteristics, Prophylaxis, Treatment
Salmonella genus consist of bacilli those live as parasite in the intestine of a large number of vertebrate species and produce
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Shigella – Morphology, Cultural Character, Prophylaxis, Control
Dysentery is a clinical condition of multiple etiology, characterized by the frequent passage of blood stained, mucopurulent stools. Two common
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Escherichia Coli
This genus is named after Escherich who was the first to describe the colon bacillus under the name Bacterium coli commune (1885).
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Anaerobic Gram Negative Bacilli
Medically important anaerobic gram negative bacilli belong to the family Bacteroidaceae and are classified into the genera Bacteroides, Fusobacterium and Leptotrichia. Isolated from clinical specimens, Bacteroides are
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