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Trio wins Nobel Chemistry Prize for DNA repair work 07 октября 2015, 17:01

Sweden's Tomas Lindahl, Paul Modrich of the US and Aziz Sancar, a Turkish-American, won the 2015 Nobel Chemistry Prize for work on how cells repair damaged DNA.
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Новостью поделились: человек

Trio wins Nobel Chemistry Prize for DNA repair work Trio wins Nobel Chemistry Prize for DNA repair work

Sweden's Tomas Lindahl, Paul Modrich of the US and Aziz Sancar, a Turkish-American, won the 2015 Nobel Chemistry Prize on Wednesday for work on how cells repair damaged DNA, AFP reports.

The three opened a dazzling frontier in medicine by unveiling how the body repairs DNA mutations that can cause sickness and contribute to ageing, the Nobel jury said.

"Their systematic work has made a decisive contribution to the understanding of how the living cell functions, as well as providing knowledge about the molecular causes of several hereditary diseases and about mechanisms behind both cancer development and ageing," the panel said.

DNA -- deoxyribonucleic acid -- is the chemical code for making and sustaining life.

When cells divide, molecular machines seek to replicate the code perfectly, but random slipups in their work can cause the daughter cells to die or malfunction. DNA can also be damaged by strong sunlight and other environmental factors.

But there is a swarm of proteins -- a molecular repair kit -- designed to monitor the process. It proof-reads the code and repairs damage.

The three were lauded for mapping these processes, starting with Lindahl, who identified so-called repair enzymes -- the basics in the toolbox.

Sancar, born in Savur, Turkey, discovered the mechanisms used by cells to fix damage by ultraviolet radiation. Modrich laid bare a complex DNA-mending process called mismatch repair.

"The basic research carried out by the 2015 Nobel laureates in chemistry has not only deepened our knowledge of how we function, but could also lead to the development of lifesaving treatments," the Nobel committee said.

The three share the prize sum of eight million Swedish kronor (around $950,000 or 855,000 euros).

The Nobel awards week continues with the announcements for the two most closely-watched prizes: on Thursday the winner of the literature prize will be announced, followed by the peace prize on Friday.

The economics prize will wrap up this year's Nobel season on Monday, October 12.

The laureates will receive their prizes at formal ceremonies in Stockholm and Oslo on December 10, the anniversary of the 1896 death of prize creator Alfred Nobel, a Swedish philanthropist and scientist.



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