Article
tRNA genes rapidly change in evolution to meet novel translational demands.
eLife - 20 Dec 2013
Yona Avihu H, Bloom-Ackermann Zohar, Frumkin Idan, Hanson-Smith Victor, Charpak-Amikam Yoav, Feng Qinghua, Boeke Jef D, Dahan Orna, Pilpel Yitzhak
Abstract excerpt
Changes in expression patterns may occur when organisms are presented with new environmental challenges, for example following migration or genetic changes. To elucidate the mechanisms by which the translational machinery adapts to such changes, we perturbed the tRNA pool of Saccharomyces cerevisiae by tRNA gene deletion. We then evolved the deletion strain and observed that the genetic adaptation was recurrently...
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