Escherichia coli strain FWSEC0398

Escherichia coli strain FWSEC0398 is a Gram-negative, rod-shaped bacterium that typically exists in pairs or as single cells. This strain is a facultative anaerobe, allowing it to thrive in varying oxygen conditions, which may be advantageous in its host-associated habitat. Optimal growth occurs at a temperature of 37.0 °C, aligning with the physiological temperature of many mammalian hosts, which likely influences the strain's adaptation and survival strategies within such environments. Given its classification as a facultative anaerobe, E. coli FWSEC0398 can switch between aerobic respiration and fermentation depending on the availability of oxygen. This metabolic flexibility may allow it to exploit a range of niches within host organisms, potentially contributing to its persistence and adaptability in diverse biological contexts. Understanding the ecological role of E. coli strain FWSEC0398, particularly its interactions with host factors and other microbial communities, could provide insights into its functional roles in gut microbiomes or other host-associated environments.