New study overturns orthodoxy on how macrophages kill bacteria

For decades, microbiologists assumed that macrophages, immune cells that can engulf and poison bacteria and other pathogens, killed microbes by damaging their DNA. A new study from the University of Illinois disproves that.

Internal cellular sensors make Salmonella dangerous: study

(Phys.org) -- Salmonella becomes dangerously virulent only when molecular sensors within the organism sense changes in the environment, a team of researchers from the Yale School of Medicine and the Yale Microbial Diversity ...

Popcorn-shaped gold particles gang up on Salmonella

Take an ounce of lettuce, test it for 17 hours, and the results show whether that mainstay ingredient in green salads is contaminated with Salmonella, the food poisoning bacteria that sickens millions of people each year. ...

Rapid test to detect salmonella in food

Anyone can get salmonella poisoning, but babies, toddlers, the elderly and people with immunodeficiencies are particularly susceptible. For people with weakened immune systems, the gastrointestinal disease can lead to serious ...

Hot weather not to blame for salmonella on egg farms

New research conducted by the University of Adelaide shows there is no greater risk of salmonella contamination in the production of free range eggs due to hot summer weather, compared with other seasons.

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