Difference between revisions of "Category:Pseudomonas and Burkholderia species"

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===''Burkholderia pseudomallei===
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===''[[Burkholderia pseudomallei]]===
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*Causes [[Respiratory Bacterial Infections - Pathology#Melioidosis (Pseudoglanders)|melioidosis]] - endemic in Asia and Australia
 
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*Primarily infects rodents
 
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*Pathogenesis:
 
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**Infection via ingestion, inhalation or skin wounds from environment
 
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**Exotoxin, dermonecrotic protease and lecithinase implicated in pathogenicity
 
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**Strain virulence and host immunosuppression important
 
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*Clinical infections:
 
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**Opportunistic infection with stress and immunosuppression predisposing to disease
 
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**Abscesses develop in many organs including lungs, spleen, liver, joints, CNS, upper respiratory tract
 
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**Chronic, debilitating, progressive disease with long incubation period
 
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**Many animal species susceptible
 
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**Referred to as pseudoglanders in horses
 
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*Diagnosis:
 
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**Specimens: pus from abscesses, affected tissues, blood
 
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**Fluorescent antibody technique on tissue smears
 
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**Blood agar and MacConkey agar plates, incubated aerobically
 
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**Colonies have musty smell
 
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**Lactose fermentation on MacConkey
 
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**Slide agglutination
 
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**ELISA, complement fixation and indirect haemagglutination tests for serum antibodies
 
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*Treatment/control: slaughter of infected animals where exotic
 
  
 
[[Category:Bacteria]][[Category:Gram_negative_bacteria]][[Category:Rods]]
 
[[Category:Bacteria]][[Category:Gram_negative_bacteria]][[Category:Rods]]

Revision as of 19:44, 14 May 2010

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Overview

  • Organisms found in soil and water worldwide
  • Burkholderia mallei causes glanders; rodents act as reservoir of infection
  • Burkholderia pseudomallei causes meliodosis
  • Pseudomonas aeruginosa, found on skin, mucous membranes and in faeces, causes opportunistic infections

Characteristics

  • Gram-negative rods
  • Obligate aerobes
  • Oxidase and catalase positive
  • Pseudomonas species and Burkholderia pseudomallei motile by polar flagellae
  • Burkholderia mallei non-motile


Pseudomonas aeruginosa

Burkholderia mallei

Burkholderia pseudomallei

Pages in category "Pseudomonas and Burkholderia species"

The following 5 pages are in this category, out of 5 total.

A

B

C

D

P

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