Mike the Mad Biologist

Category archives for Salmonella

Salmonella, Shigella, and Lactose, Oh My!

It’s never made much sense to me why the pathogenic bacteria Salmonella and Shigella (which is really E. coli) have lost the ability to use lactose (milk sugar). In Shigella, we know that when we restore some lost functions through genetic manipulation (e.g., cadaverine production), they actually prevent these altered Shigella from causing disease. But…

Salmonella Poisoning Is Rampant

A recent article in MMWR Weekly with the unassuming title of “Preliminary FoodNet Data on the Incidence of Infection with Pathogens Transmitted Commonly Through Food — 10 States, 2008” is incredibly disturbing.

Salmonella as a Commensal(?!?)

An article in Emerging Infectious Diseases describes a joint collaboration between the CDC and Mexican health authorities that built a system to monitor the spread of Salmonella through the food chain and into people. One finding shocked me.