Targeting resistance to a crucial reserve antibiotic

Colistin is a cationic cyclic peptide that disrupts bacterial cell membranes of Gram-negative bacteria. It is one of the few remaining antibiotics of last resort for use against infections with multidrug-resistant bacteria. ...

Prehistoric faeces reveal parasites from feasting at Stonehenge

A new analysis of ancient faeces found at the site of a prehistoric village near Stonehenge has uncovered evidence of the eggs of parasitic worms, suggesting the inhabitants feasted on the internal organs of cattle and fed ...

What evolution reveals about the function of bitter receptors

To evaluate the chemical composition of food from a physiological point of view, it is important to know the functions of the receptors that interact with food ingredients. These include receptors for bitter compounds, which ...

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