Escherichia coli strain 7/2

Escherichia coli strain 7/2 is a Gram-negative, rod-shaped bacterium that is classified as a facultative anaerobe, allowing it to thrive in both aerobic and anaerobic environments. This strain exhibits mobility due to the presence of flagella and is typically found in pairs or as single cells. It is mesophilic, with an optimal growth temperature of 37°C. Strain 7/2 has a complex genetic structure, characterized by five replicons and two membranes. This strain is associated with a wide range of hosts, including Homo sapiens (humans), various mammals such as Bos taurus (cattle) and Sus scrofa (pigs), as well as birds like Gallus gallus (chickens) and other vertebrates. The diversity of its hosts indicates a robust ecological adaptability, enabling it to establish itself in various biological niches. E. coli strain 7/2 is known to cause several health issues, particularly in humans. It is implicated in urinary tract infections (UTIs), gastrointestinal infections, and more severe conditions such as neonatal meningitis and hemolytic uremic syndrome (HUS). The strain has been associated with foodborne infections and gastrointestinal diseases, causing symptoms ranging from mild diarrhea to severe complications like renal failure and septicemia. The pathogenicity of E. coli strain 7/2 underscores its potential impact on public health, particularly in contexts involving animal-to-human transmission. Understanding its ecological relationships and pathogenic mechanisms is crucial for developing strategies to mitigate infections and manage health risks associated with this strain.