Jeotgalicoccus nanhaiensis: taxonomy, features, and ecological context

Key characteristics

• Cell shape: coccoid (round) and often observed singly, in pairs, or in small clusters.
• Gram reaction: Gram-positive, indicating a thick peptidoglycan cell wall.
• Spores: not formed, distinguishing them from certain other environmental bacteria that form dormant spores.
• Taxonomic placement: member of the family Staphylococcaceae and the genus Jeotgalicoccus.

Taxonomy and identification
Identification relies on a combination of microscopic morphology, staining, biochemical tests, and genetic markers. Classical descriptors note coccoid morphology and Gram-positive staining; molecular sequencing of conserved genes is commonly used to confirm placement within Jeotgalicoccus and to distinguish species.

Ecology and isolation
Species in the genus are frequently recovered from saline habitats, marine samples, fermented seafood, or other salty niches. While specific isolation sources can vary, these bacteria are generally regarded as environmental rather than primary human pathogens. Researchers studying saline microbial communities often encounter Jeotgalicoccus strains when sampling coastal, estuarine, or fermented-salt environments.

Importance and distinctions
J. nanhaiensis is of interest mainly for systematics, ecology, and the study of salt-adapted microbes. It contrasts with clinically relevant members of Staphylococcaceae by its typical environmental distribution. For more information on laboratory methods or strain data, see resources on bacterial characterization and taxonomy: laboratory identification, morphological description, and additional taxonomic references covering non-spore-forming bacteria.

For authoritative nomenclature, strain deposition, or sequence records consult curated databases and culture collections that index Jeotgalicoccus species and related entries: Gram stain resources, family-level outlines, and general taxonomic portals for Staphylococcaceae.