Related Experiment Video
Updated: May 21, 2026

Simplified Whole Body Plethysmography to Characterize Lung Function During Respiratory Melioidosis
Published on: February 24, 2023
Pasteurella multocida: diseases and pathogenesis
I W Wilkie1, M Harper, J D Boyce
1Department of Microbiology, Australian Research Council Centre of Excellence in Structural and Functional Microbial Genomics, Monash University, Clayton, VIC 3800, Australia.
Abstract:
Pasteurella multocida is an enigmatic pathogen. It is remarkable both for the number and range of specific disease syndromes with which it is associated, and the wide range of host species affected. The pathogenic mechanisms involved in causing the different syndromes are, for the most part, poorly understood or completely unknown. The biochemical and serological properties of some organisms responsible for quite different syndromes appear to be similar. Thus, the molecular basis for host predilection remains unknown. The recent development of genetic manipulation systems together with the availability of multiple genome sequences should help to explain the association of particular pathological conditions with particular hosts as well as helping to elucidate pathogenic mechanisms.
Insights
Pasteurella multocida causes diverse diseases across many hosts, but its pathogenic mechanisms and host specificity are poorly understood. Genetic tools and genome data offer new avenues to explore these enigmatic aspects of this pathogen.
Area of Science:
- Veterinary Microbiology
- Infectious Diseases
- Bacteriology
Background:
- Pasteurella multocida is a significant pathogen affecting a wide range of animal species.
- It is associated with numerous distinct clinical syndromes, yet the underlying mechanisms remain largely unknown.
- Similarities in biochemical and serological properties among strains causing different diseases obscure host specificity.
Purpose of the Study:
- To investigate the poorly understood pathogenic mechanisms of Pasteurella multocida.
- To elucidate the molecular basis for host predilection in Pasteurella multocida infections.
- To leverage recent advancements in genetic manipulation and genomics to understand disease associations.
Main Methods:
- Utilizing genetic manipulation systems for targeted studies of Pasteurella multocida.
- Analyzing multiple available genome sequences of Pasteurella multocida strains.
- Comparing biochemical and serological properties of different Pasteurella multocida isolates.
Main Results:
- Pathogenic mechanisms for most Pasteurella multocida-associated syndromes are not well-defined.
- The molecular basis for why Pasteurella multocida infects specific hosts is currently unknown.
- Similarities in organism properties complicate the understanding of disease causation.
Conclusions:
- Recent advances in genetic tools and genome sequencing hold promise for unraveling Pasteurella multocida's pathogenicity.
- These technologies are expected to clarify the links between specific hosts, pathological conditions, and Pasteurella multocida.
- Further research using these tools is crucial for understanding this enigmatic pathogen.
Related Concept Videos
Atypical Pneumonia
Bacterial Meningitis II: Pathophysiology
Bacterial Phylum Spirochaetes
Pneumonia II: Pathophysiology
Colonisation of Pathogens
Infection
The chain begins with pathogens: bacteria, viruses, fungi, prions, or parasites such as protozoa helminths. These can be present on the skin as transient or resident flora, or they can be acquired from the environment. Identifying and treating the type of infection and...

