Related Experiment Video
Updated: May 31, 2026

07:34
Milk Collection Methods for Mice and Reeves' Muntjac Deer
Published on: July 19, 2014
Pasteurellaceae from Colorado bighorn sheep herds
Journal of Wildlife Diseases
|July 2, 2011
Summary
Molecular and phenotypic analyses of Pasteurellaceae in bighorn sheep reveal insights into respiratory disease epizootiology. These findings support using modern taxonomic methods for improved disease management in wild sheep populations.
Area of Science:
- Veterinary Microbiology
- Wildlife Disease Ecology
- Bacterial Genomics
Background:
- Investigated Pasteurellaceae isolates from 88 bighorn sheep (Ovis canadensis) to understand respiratory disease.
- Explored epizootiologic relationships within bighorn sheep populations.
Discussion:
- Compared phenotypic and genotypic characteristics of Pasteurellaceae isolates.
- Highlighted the importance of contemporary taxonomic conventions in microbial studies.
- Emphasized the utility of molecular methods for bacterial detection and comparison.
Key Insights:
- Molecular and phenotypic data provide a basis for understanding Pasteurellaceae in bighorn sheep.
- Modern taxonomic approaches are crucial for accurate identification.
- Genotypic and phenotypic comparisons aid in elucidating disease transmission patterns.
Outlook:
- Adopting advanced molecular techniques can enhance the study of bighorn sheep respiratory disease.
- Improved understanding of Pasteurellaceae epizootiology can inform wildlife health management strategies.
- Further research integrating genomic and phenotypic data is recommended for comprehensive disease control.
Related Concept Videos
Threats to Biodiversity
There have been five major extinction events throughout geological history, resulting in the elimination of biodiversity, followed by a rebound of species that adapted to the new conditions. In the current geological epoch, the Holocene, there is a sixth extinction event in progress. This mass extinction has been attributed to human activities and is thus provisionally called the Anthropocene. In 2019 the human population reached 7.7 billion people and is projected to comprise 10 billion by...
Rocky Mountain Spotted Fever
Rocky Mountain Spotted Fever (RMSF) is a severe tick-borne illness caused by Rickettsia rickettsii, a Gram-negative, coccobacillary bacterium. This pathogen is an obligate intracellular parasite, requiring a host cell for replication. Transmission occurs through the bite of an infected tick. In the United States, the most important vectors are Dermacentor variabilis (American dog tick) and Dermacentor andersoni (Rocky Mountain wood tick), though other tick species may also serve as vectors.
Bacterial Phylum Spirochaetes
Spirochetes, unique bacteria in the phylum Spirochaetes, are gram-negative, motile, tightly coiled, slender, and flexible. They inhabit aquatic sediments and animals, with some causing diseases like syphilis. Spirochetes are classified into eight genera based on habitat, pathogenicity, phylogeny, and characteristics.Their distinctive motility arises from endoflagella, located within the cell’s periplasm. These endoflagella anchor at the cell poles and extend along the cell length, encased by a...
Bacterial Phylum Actinobacteria
Coryneform bacteria are gram-positive, aerobic, nonmotile rods that exhibit irregular, club-shaped, or V-shaped arrangements. Their V-shape results from snapping division, where the inner cell wall layer forms the cross-wall, while the outer layer remains intact until it ruptures on one side, causing the daughter cells to bend away.The primary genera are Corynebacterium and Arthrobacter. Corynebacterium includes diverse species, ranging from saprophytes to pathogens like Corynebacterium...
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...
Gene Flow
Gene flow is the transfer of genes among populations, resulting from either the dispersal of gametes or from the migration of individuals.

