High temperature delays and low temperature accelerates evolution of a new protein phenotype
Jia Zheng,
Ning Guo,
Yuxiang Huang
et al.
Abstract:Since the origin of life, temperatures on earth have fluctuated both on short and long time scales. How such changes affect the rate at which Darwinian evolution can bring forth new phenotypes remains unclear. On the one hand, high temperature may accelerate phenotypic evolution because it accelerates most biological processes. On the other hand, it may slow phenotypic evolution, because proteins are usually less stable at high temperatures and therefore less evolvable. Here, to test these hypotheses experimen… Show more
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