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Bordetella bronchiseptica

Bordetella is a genus of gram negative coccobacilli, which are encapsulated. They are non-motile except B. bronchiseptica and are obligate …

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Haemophilus Influenzae

Haemophilus influenzae on blood agar

Haemophilus influenzae is a gram negative coccobacillus (short rod), which is non-motile, capsular and ong thread-like and pleomorphic in CSF …

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Bacteroides and Prevotella

Bacteroides growing on blood agar

Bacteroides and Prevotella are gram negative rods, non- spore forming, encapsulated, anaerobic and non-motile bacteria. Route of entry Part of …

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Pseudomonas Aeruginosa

Pseudomonas aeruginosa on XLD agar plate

Pseudomonas aeruginosa is a gram negative rod, which is non- spore forming, motile and a strict aerobe. Route of Entry …

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Proteus Mirabilis

Proteus mirabilis growing on Xylose Lysine Sodium Deoxycholate agar plate

Proteus mirabilis is a gram negative rod with swarming motility. It is facultative anaerobic bacterium having urease activity. Pathogenesis Route …

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Klebsiella-Entrobacter-Serratia Group

Klebsiella pneumoniae

Most of these are opportunistic bacteria, usually present in the large intestine. Pathogenesis Klebsiella pneumoniae Infection with K. pneumonia is …

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Helicobacter Pylori

H. pylori

Helicobacter pylori is a gram- negative rod, curved in shape and motile with the help of flagellum. Pathogenesis Route of …

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Campylobacter jejuni

Campylobacter is a genus of gram negative, spiral shaped, microaerophilic and motile rods, which are oxidase positive. Pathogenesis Route of …

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Scanning electron microscope image of Vibrio cholerae bacteria

Vibrio is a genus of curved, comma-shaped, non-encapsulated, gram- negative facultative rods with shooting-star motility. Vibrio cholerae is responsible for …

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Photomicrograph of Shigella in stool sample

Shigella is a genus of gram negative rods, which are non-spore forming, non-encapsulated and non-motile bacteria, responsible for causing enterocolitis …

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