Link o’ the day

A microbe that grows in the Dead Sea is teaching scientists about the art of DNA repair.

Halobacterium appears to be a master of the complex art of DNA repair. This mastery is what scientists want to learn from: In recent years, a series of experiments by NASA-funded researchers at the University of Maryland has probed the limits of Halobacterium’s powers of self-repair, using cutting-edge genetic techniques to see exactly what molecular tricks the “master” uses to keep its DNA intact.

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“We have completely fragmented their DNA. I mean we have completely destroyed it by bombarding it with [radiation]. And they can reassemble their entire chromosome and put it back into working order within several hours,” says Adrienne Kish, member of the research group studying Halobacterium at the University of Maryland.

Slowly but surely, we’re getting there…

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