Researchers identify key player in cellular response to stress

An enzyme called Fic, whose biochemical role was discovered at UT Southwestern more than a dozen years ago, appears to play a crucial part in guiding the cellular response to stress, a new study suggests. The findings, published ...

How does an intestinal microbe become a pathogen?

The bacterium Escherichia coli is found in the human intestine, and elsewhere. There it is harmless, but in certain conditions it can become a pathogen. It can cause bladder infections or even sepsis. A team of researchers ...

Nearly half of US bald eagles suffer lead poisoning

America's national bird is more beleaguered than previously believed, with nearly half of bald eagles tested across the U.S. showing signs of chronic lead exposure, according to a study published Thursday.

Losing amphibian diversity also means losing poison diversity

While frog and salamander declines worldwide have made scientists outspoken about the need to preserve amphibian genetic diversity, two University of California, Berkeley, biologists emphasize another important reason for ...

Arcobacter abundant in Hurricane Florence floodwaters

A North Carolina State University research team's search for Campylobacter in the floodwaters from Hurricane Florence instead uncovered an abundance of a related emerging pathogen: Arcobacter. The study raises questions about ...

Lead poisoning could reduce gene expression in humans

Scientists have unveiled a correlation between high blood lead levels in children and methylation of genes involved in haem synthesis and carcinogenesis, indicating a previously unknown mechanism for lead poisoning.

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