News tagged with pathogenic bacterium

How E. coli cells work in the human gut

(Phys.org) -- The bacterium Escherichia coli, commonly known as E. coli, has a duplicitous reputation. Scientists tell us that most strains of the microbe live peacefully in our guts or the guts of other mammals, ...

Jul 25, 2012
4.5 / 5 (2) 0 | with audio podcast

Revealing bacterial chainmail structure

An international team of scientists has uncovered the structure of the protective protein coat which surrounds many bacteria like a miniature suit of armour. Their research, which is published today in Nature, has far ra ...

Jun 10, 2012
5 / 5 (1) 0 | with audio podcast

Revealing a pollutant's Achilles' heal

Nitric oxide (NO) is a versatile free radical that plays central roles in the environment as well as living organisms. At low concentration in the human body, for example, NO protects organs against pathogens ...

Jun 08, 2012
5 / 5 (1) 0

Coral reefs in warming seas

Disease outbreaks are often associated with hot weather. Because many bacteria typically multiply more rapidly in warmer conditions, it's a commonly held notion that warm-weather outbreaks are a straightforward consequence ...

Dec 09, 2011
5 / 5 (3) 0

New compound defeats drug-resistant bacteria

It's no wonder that medicine's effort to combat bacterial infections is often described as an arms race. When new drugs are developed to combat infections, the bacterial target invariably comes up with a deterrent.

Nov 28, 2011
4.9 / 5 (15) 0 | with audio podcast

Triple threat: One bacterium, three plasmids

Researchers from Australia found something completely new while conducting a genetic study of the pathogenesis of an enteric disease in birds. They report what is believed to be the first bacterial strain to carry three closely ...

Nov 14, 2011
5 / 5 (1) 0

Study presents new insight into plant immunity

Researchers have identified an important cog in the molecular machinery of plant immunity - a discovery that could help crop breeders produce disease-resistant varieties to help ensure future food security. There may also ...

Oct 02, 2011
5 / 5 (1) 0 | with audio podcast