Aziz Sancar
Encyclopedia
Prof. Aziz Sançar is a Turkish
Turkish people
Turkish people, also known as the "Turks" , are an ethnic group primarily living in Turkey and in the former lands of the Ottoman Empire where Turkish minorities had been established in Bulgaria, Cyprus, Bosnia and Herzegovina, Georgia, Greece, Kosovo, Macedonia, and Romania...

 scientist specialising in DNA repair, cell cycle checkpoints, and the circadian clock. His longest-running study has involved photolyase
Photolyase
Photolyases are DNA repair enzymes that repair damage caused by exposure to ultraviolet light. This enzyme mechanism requires visible light, preferentially from the violet/blue end of the spectrum, and is known as photoreactivation....

 and the mechanisms of photo-reactivation. In his inaugural article in this issue of PNAS, Sançar captures the elusive photolyase radicals he has chased for nearly 20 years, thus providing direct observation of the photocycle for thymine dimer repair.

Aziz Sançar, has just been elected to the National Academy of Sciences
United States National Academy of Sciences
The National Academy of Sciences is a corporation in the United States whose members serve pro bono as "advisers to the nation on science, engineering, and medicine." As a national academy, new members of the organization are elected annually by current members, based on their distinguished and...

. Sançar completed his M.D. in İstanbul University
Istanbul University
Istanbul University is a Turkish university located in Istanbul. The main campus is adjacent to Beyazıt Square.- Synopsis :A madrasa, a religious school, was established sometime in the 15th century after the Ottoman conquest of Constantinople. An institution of higher education named the...

 of Turkey
Turkey
Turkey , known officially as the Republic of Turkey , is a Eurasian country located in Western Asia and in East Thrace in Southeastern Europe...

 and completed his Ph.D. on the photoreactivating enzyme of E. coli in 1977 in the lab of Dr. C. Stan Rupert, now Professor Emeritus. Aziz Sançar is presently the Sarah Graham Kenan Professor of Biochemistry
Biochemistry
Biochemistry, sometimes called biological chemistry, is the study of chemical processes in living organisms, including, but not limited to, living matter. Biochemistry governs all living organisms and living processes...

, University of North Carolina, Chapel Hill. He is married to Gwen Boles Sançar, who graduated the same year and who is now also on the faculty of UNC Chapel Hill.

He has taken an honorary doctorate from Bilkent University
Bilkent University
İhsan Doğramacı Bilkent University, commonly referred to as Bilkent University or Bilkent, is the first private, nonprofit university in Turkey with the fundamental aim of creating a center of excellence in higher education and research...

on June 14, 2006.
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