Difference between revisions of "Pasteurella multocida"
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| + | | Also known as: | ||
| + | | ''P.multocida'' | ||
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| − | + | ''P.multocida'' is a species of the [[:Category:Pasteurella and Mannheimia species|''Pasteurella'']] genus. It forms large, grey colonies on blood agar and is not haemolytic. It does not grow on MacConkey. It has five capsular serotypes, A,B,D,E and F and can be a primary and secondary pathogen. It is responsible for secondary infections following primary viral and mycoplasmal infections, especially in the lungs, for example during [[Respiratory Bacterial Infections - Pathology#Enzootic pneumonia of calves|Enzootic pneumonia of calves]] and pigs. It can cause vascular fragility, leading to [[Haemostasis - Pathology#Haemorrhagic Disease Due To Vascular Fragility|haemorrhagic disease]]. It is also involved in [[Bacterial skin infections - Pathology#Subcutaneous abscesses|subcutaneous abscesses]] due to cat bites. | |
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| − | + | ==Type A== | |
| − | + | Type A is a commensal in the upper respiratory tract of animals in the UK. It is a primary pathogen in avian cholera - a septicaemia in chickens and turkeys. It is a secondary pathogen commomly repsonsible for dog and cat bite wound infections in humans and animals. It is also involved in feline pyothorax and [[Muscles Inflammatory - Pathology#Abscesses|cellulitis]]. | |
| − | [[ | + | Some strains are involved in [[Nasal Cavity Inflammatory - Pathology#Bacterial rhinitis|Atrophic rhinitis of pigs]], and produce osteolytic toxin. It is also involved in [[Snuffles]], a mucopurulent rhinosinitis and can cause pneumonia and mastitis in sheep. In cattle it is associated with [[Respiratory Bacterial Infections - Pathology#Pneumonic pasteurellosis|pneumonic pasteurellosis]], as well as enzootic pneumonia in calves. |
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| + | ==Type B== | ||
| + | Type B causes Haemorrhagic Septicaemia of cattle in Southern Europe and Asia. | ||
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| + | ==Type D== | ||
| + | Type D is a primary and secondary pathogen. It causes [[Respiratory Bacterial Infections - Pathology#In Pigs|atrophic rhinitis]] along with ''[[Bordetella bronchiseptica]]'' in pigs. ''Pasteurella multocida'' adhere to epithelium damaged by ''[[Bordetella bronchiseptica]]'' and produce an osteolytic toxin (Pmt), which stimulates osteoclasts, inducing bone resorption of the nasal turbinates. | ||
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| + | ==Type E== | ||
| + | Type E causes African Bovine Haemorrhagic Septicaemia[[Category:Pasteurella and Mannheimia species]]. | ||
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| + | [[Category:To_Do_-_AimeeHicks]] | ||
Revision as of 10:30, 3 August 2010
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This article is still under construction. |
| Also known as: | P.multocida |
P.multocida is a species of the Pasteurella genus. It forms large, grey colonies on blood agar and is not haemolytic. It does not grow on MacConkey. It has five capsular serotypes, A,B,D,E and F and can be a primary and secondary pathogen. It is responsible for secondary infections following primary viral and mycoplasmal infections, especially in the lungs, for example during Enzootic pneumonia of calves and pigs. It can cause vascular fragility, leading to haemorrhagic disease. It is also involved in subcutaneous abscesses due to cat bites.
Type A
Type A is a commensal in the upper respiratory tract of animals in the UK. It is a primary pathogen in avian cholera - a septicaemia in chickens and turkeys. It is a secondary pathogen commomly repsonsible for dog and cat bite wound infections in humans and animals. It is also involved in feline pyothorax and cellulitis. Some strains are involved in Atrophic rhinitis of pigs, and produce osteolytic toxin. It is also involved in Snuffles, a mucopurulent rhinosinitis and can cause pneumonia and mastitis in sheep. In cattle it is associated with pneumonic pasteurellosis, as well as enzootic pneumonia in calves.
Type B
Type B causes Haemorrhagic Septicaemia of cattle in Southern Europe and Asia.
Type D
Type D is a primary and secondary pathogen. It causes atrophic rhinitis along with Bordetella bronchiseptica in pigs. Pasteurella multocida adhere to epithelium damaged by Bordetella bronchiseptica and produce an osteolytic toxin (Pmt), which stimulates osteoclasts, inducing bone resorption of the nasal turbinates.
Type E
Type E causes African Bovine Haemorrhagic Septicaemia.