Overview
Jeotgalicoccus pinnipedialis is a species of Gram-positive, coccoid bacterium first recognized from a swab of the mouth of a southern elephant seal. It is a member of a small genus that includes bacteria recovered from food, salt-rich environments and animals. The species is of interest mainly to microbiologists studying marine mammal microbiota and microbial diversity in saline or coastal niches.
Morphology and physiology
Cells are spherical (coccoid) and stain positive in the Gram reaction. The organism is described as a facultative anaerobe, meaning it can grow in the presence or absence of oxygen: it tolerates aerobic conditions (when oxygen is available) as well as anaerobic environments. As with other members of the genus, it is non-spore-forming and typically occurs as single cells or small clusters.
- Gram-positive cell wall structure
- Coccoid cell shape
- Facultative anaerobic metabolism
- Non-spore-forming, usually non-motile
Isolation and habitat
The species was recovered from a mouth swab of a southern elephant seal and is therefore associated with marine mammals. Members of the genus have also been isolated from salted foods and coastal environments, reflecting tolerance for saline conditions. The genus name Jeotgalicoccus refers to jeotgal, a Korean salted seafood in which related bacteria were originally found.
Taxonomy and relationships
This species belongs to the family Staphylococcaceae, a group of Gram-positive cocci that includes several genera adapted to animal or environmental habitats. Jeotgalicoccus species are distinct from classic staphylococci but share some morphological and physiological traits. For general background on bacteria and classification see bacterium resources and descriptions.
Research relevance and notable facts
Jeotgalicoccus pinnipedialis is not known as a major pathogen. Instead, it is primarily relevant for studies of host-associated microbial communities and the microbiology of saline or marine-associated niches. Its occurrence in seals illustrates how marine mammals harbor distinct bacterial assemblages that may reflect diet, environment and host biology. Further ecological or genomic work could clarify its role in the oral microbiota of pinnipeds and its relationship to other environmental strains. For additional context on oxygen-dependent growth terms see oxygen-related summaries and metabolic descriptions and consult specialized databases via Gram-positive and aerobic references. For taxonomy details and family placement see facultative descriptions and authoritative listings at coccus and Staphylococcaceae resources.