preventing

Depending on chemical markers placed on these histones, the chromatin can be wound tightly -- preventing transcription factors from binding -- or loosely, making it accessible for generating mRNA copies.

Current pertussis vaccines are widely used and effective at preventing whooping cough, caused by the Bordetella pertussis bacteria.

The findings also showed that the cocoa drink high in flavanols was effective at preventing the decline in vascular function following stress and fat consumption.

They added that a board-commissioned independent review of the BBC’s workplace culture is under way, focusing on preventing abuse of power and ensuring everyone at the BBC conducts themselves in line with company values.

For her, Fukushima was a reminder that nuclear power comes with risk — however small — but that even in a worst-case scenario, operators are skilled at preventing a disaster.