Escherichia coli strain STEC 309

Escherichia coli strain STEC 309 is a Gram-negative, rod-shaped bacterium that typically appears in pairs or as single cells. This strain thrives optimally at 37.0°C, which aligns with the average body temperature of warm-blooded hosts, suggesting a close association with such environments. As a facultative anaerobe, E. coli strain STEC 309 possesses the metabolic flexibility to grow in both aerobic and anaerobic conditions, allowing it to adapt to varying oxygen levels within its host-associated habitat. The choice of a host-associated habitat indicates that STEC 309 may have evolved specific adaptations to survive and proliferate within the gastrointestinal tracts of its hosts. This characteristic highlights the potential for complex interactions with the host microbiome, which may influence nutrient availability and microbial community dynamics. Understanding these relationships is crucial for elucidating the ecological role of STEC 309 and its potential implications in gut health and disease processes. Overall, the adaptability of E. coli strain STEC 309 to different oxygen conditions and its optimal growth temperature underscore its ecological versatility within host environments.