Related Experiment Video

Updated: Aug 14, 2026

A Contrast of Three Inoculation Techniques used to Determine the Race of Unknown Fusarium oxysporum f.sp. niveum Isolates
11:48

A Contrast of Three Inoculation Techniques used to Determine the Race of Unknown Fusarium oxysporum f.sp. niveum Isolates

Published on: October 28, 2021

Characterization of Pseudomonas maltophilia Isolates from Fleece Rot

J A Macdiarmid1, D H Burrell

  • 1Commonwealth Scientific and Industrial Research Organisation, Division of Animal Health, McMaster Laboratory, Glebe, New South Wales 2037, Australia.

Applied and Environmental Microbiology
|February 1, 1986
PubMed

Insights

Pseudomonas maltophilia isolates from sheep with fleece rot showed biochemical similarities to human strains. This suggests a potential link between this bacterium and ovine fleece discoloration.

Area of Science:

  • Veterinary Microbiology
  • Bacterial Pathogenesis
  • Sheep Health

Background:

  • Pseudomonas maltophilia is a bacterium found in various environments.
  • Fleece rot in sheep causes significant economic losses.
  • The specific role of P. maltophilia in ovine fleece rot is not fully understood.

Purpose of the Study:

  • To investigate the biochemical characteristics of Pseudomonas maltophilia isolates from sheep with fleece rot.
  • To compare the enzymatic profiles of ovine P. maltophilia with human strains.
  • To explore the potential association between P. maltophilia and ovine fleece rot.

Main Methods:

  • Collection of 286 ovine isolates of Pseudomonas maltophilia from affected sheep.
  • Enzyme activity analysis of 10 isolates using plate tests.
  • Utilizing the API ZYM system for detailed enzymatic profiling.
  • Comparison with the enzymatic profile of a human P. maltophilia type strain.

Main Results:

  • Ovine P. maltophilia isolates exhibited biochemical similarity to human strains.
  • Enzymatic profiles were comparable between ovine and human isolates.
  • The study identified specific enzyme activities in the ovine isolates.

Conclusions:

  • Ovine Pseudomonas maltophilia strains are biochemically similar to pathogenic human strains.
  • This biochemical similarity suggests a potential association between P. maltophilia and brown to yellow fleece rot in sheep.
  • Further research is warranted to confirm the pathogenic role of ovine P. maltophilia in fleece rot.

More Related Videos

Sexual Development and Ascospore Discharge in Fusarium graminearum08:20

Sexual Development and Ascospore Discharge in Fusarium graminearum

Published on: March 29, 2012

Qualitative and Quantitative Analysis of Siderophore Production from Pseudomonas aeruginosa05:09

Qualitative and Quantitative Analysis of Siderophore Production from Pseudomonas aeruginosa

Published on: March 15, 2024

Related Concept Videos

Bacterial Phylum Tenericutes01:24

Bacterial Phylum Tenericutes

The phylum Tenericutes, which includes the single class Mollicutes, comprises bacteria that lack cell walls. The term "Mollicutes" derives from the Latin word mollis, meaning "soft." These organisms are among the smallest known and are commonly referred to as mycoplasmas due to the prominence of the genus Mycoplasma, which includes well-known human pathogens. Despite their inability to stain gram-positively (a result of their lack of cell walls), mycoplasmas are phylogenetically related to the...
Clinical Significance of Antibiotic Resistance01:25

Clinical Significance of Antibiotic Resistance

Methicillin-resistant Staphylococcus aureus (MRSA) presents a critical public health threat, arising from its capacity to resist β-lactam antibiotics due to acquisition of the mecA gene within the staphylococcal cassette chromosome mec (SCCmec). This gene encodes penicillin-binding protein 2a (PBP2a), which impairs binding efficacy of methicillin and other β-lactams. MRSA has evolved into distinct clonal lineages impacting humans and animals alike, reinforcing its significance within the One...