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GTC cover art January 2017

January 2017
In recent years, sirtuin family genes have attracted attention because it has been reported that their activation extended lifespan in some animal species and yeast. Sirtuin family consists of several classes, and the majority of them encode NAD+-dependent deacetylase. The arrow in this picture is called 'hamaya,' which is one of Japanese New Year's good luck charms. It is decorated with two 'ema's (wooden votive plaques) likened five-membered ring of ribose with drawings of a crane and a turtle, common symbols of longevity in Japan. The arrow as a whole is mimicking the structure of NAD+, which is required for sirtuin's deacetylase activity.

GTC cover art December 2016

December 2016
A woman is dispensing reagents using a motorized pipettor. She is in a stylish kimono (hogusome) with a pattern like letters written with a brush. The text on her kimono is not only for fashion but also actually the recipe for the reagents (NaCl, glucose, amino acids, acetic acid, etc.); that is exactly to kill two birds with one stone. It will help her do experiments precisely at the busy end of the year.

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