光感受器的进化：古老的“视锥细胞”原来是视杆细胞。
Photoreceptor evolution: ancient 'cones' turn out to be rods.
作者信息
Warrant Eric J
机构信息
Department Biology, University of Lund, Sölvegatan 35, S-22362 Lund, Sweden.
出版信息
Curr Biol. 2015 Feb 16;25(4):R148-51. doi: 10.1016/j.cub.2015.01.005.
PMID:25689909
Abstract
Vertebrate rod photoreceptors are thought to have evolved from cone photoreceptors only after the divergence of the jawed and jawless fishes, but this idea is questioned by new evidence that the short 'cones' of jawless sea lampreys are physiologically equivalent to rods.
摘要
脊椎动物的视杆光感受器被认为是在有颌鱼类和无颌鱼类分化之后才从视锥光感受器进化而来的，但这一观点受到了新证据的质疑，该证据表明无颌海七鳃鳗的短“视锥”在生理上等同于视杆。
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