21. Exploring E. coli and the order of Enterobacterales

The podcast episode centers on gram-negative bacilli, specifically focusing on definitions and the role of *E. coli*. It clarifies the distinction between Enterobacterales and Enterobacteriaceae, advocating for the use of Enterobacterales to maintain scientific accuracy due to recent reclassifications. The hosts delve into *E. coli*, discussing its typical presence in the GI tract and its pathogenic mechanisms related to O, K, and H antigens. Common diseases caused by *E. coli*, such as UTIs, gastroenteritis, and neonatal meningitis, are outlined. Different types of gastroenteritis caused by *E. coli* are explored, including traveler's diarrhea and dysentery, emphasizing the dangers of Shiga toxin-producing strains and the complexities of lab identification, including the shift towards PCR testing. The episode concludes with a discussion on antibiotic treatments, cautioning against their use in STEC infections due to the risk of endotoxin release.