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Category:Pasteurella and Mannheimia species (view source)

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|pagetitle =Pasteurella and Mannheimia species

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|pagetitle =Pasteurella and Mannheimia species are small, Gram-negative bacilli or coccobacilli. They are common commensals of the upper respiratory tract and gastrointestinal tract mucosa of animals.

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~~===Overview ''Pasteurella'' and ''Mannheimia''===~~

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*Common commensals of the upper respiratory tract and gastrointestinal tract mucosa of animals

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*Usually opportunistic organisms, causing disease during times of stress, low resistance or concurrent infection

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*Not part of the human bacterial flora

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*Small Gram-negative bacilli or coccobacilli

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*Facultative anaerobes

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*Oxidase-positive

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*May show bipolar staining with polychrome stains such as Wright's stain

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*Capsules contain acidic polysaccharides

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~~===''Pasteurella'' Properties===~~

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*Catarrhal odour

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*Produce endotoxins which cause host damage and death

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*Their capsules resist phagocytosis

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*''Pasteurella'' may be found in [[Bacterial skin infections - Pathology#Deep pyoderma|deep pyoderma]]

[[Category:Bacteria]][[Category:Gram_negative_bacteria]][[Category:Rods]][[Category:Coccobacilli]]

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[[Category:To_Do_-~~_Bacteria~~]]

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