News tagged with toxic species

A bacterial ballistic system

Many pathogenic bacteria use special secretion systems to deliver toxic proteins into host cells. Researchers of Ludwig-Maximilians-Universitaet (LMU) in Munich have determined the structure of a crucial ...

Jun 20, 2014
5 / 5 (3) 0

'Cowcatcher' enzyme fixes single-strand DNA

Every time one of your cells divides, it exposes its most essential component to great danger: its genome, the sum total of all its genetic information, embodied in the double-stranded helix of DNA. Prior to cell division, ...

Jul 29, 2013
5 / 5 (4) 1 | with audio podcast

The rising red tide with climate change

The tattoos on Ashley Cryan's ankles depict a chicken and a pig. Since the days of Captain Cook, sailors have donned the animals' likenesses to help them walk on water and guard against drowning. According ...

May 16, 2013
5 / 5 (3) 0

Invasion of the slugs—halted by worms...

The gardener's best friend, the earthworm, is great at protecting leaves from being chomped by slugs, suggests research in BioMed Central's open access journal BMC Ecology. Although they lurk in the soil, they seem to pro ...

May 12, 2013
not rated yet 1

Study finds mounting mercury threat in Peru Amazon

A study of mercury contamination in a southeastern Peruvian jungle area ravaged by illegal gold mining found unsafe levels of the toxic metal in 78 percent of adults in the regional capital and in 60 percent of fish sold ...

Mar 21, 2013
5 / 5 (2) 0