Researchers identify new pathway in human pathogens

Several of the more aggressive pathogens that infect humans can thrive in an oxygen-free environment of the human gut. These pathogens also have the ability to acquire the essential nutrient iron from an abundant cofactor, ...

Microbes corrode steel in ships, marine infrastructure

Rust is the bane of steel, whether on cars, on ships and boats, or as part of marine infrastructure. Now, contrary to previous thinking, it turns out that the ocean-dwelling, steel-corroding species, Mariprofundus sp. DIS-1, ...

New protein discovered gives insights to iron's fate underground

(Phys.org) -- It's almost an evil twin story: a protein that steals electrons from iron in one microbe looks a lot like one that adds electrons in another microbe, according to scientists at Pacific Northwest National Laboratory ...

Oxygen 'sensor' may shut down DNA transcription

(Phys.org) -- A key component found in an ancient anaerobic microorganism may serve as a sensor to detect potentially fatal oxygen, a University of Arkansas researcher and his colleagues have found. This helps researchers ...

How Mercury Becomes Toxic In The Environment

(PhysOrg.com) -- Naturally occurring organic matter in water and sediment appears to play a key role in helping microbes convert tiny particles of mercury in the environment into a form that is dangerous to most living creatures.

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