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Crossing the borders: archaeal rhodopsins go bacterial

机译:越界:古细菌视紫红质变细菌

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摘要

All-trans-retinal based, light-driven ion pumping and light sensing are no longer an exclusive archaeal enterprise after the exciting discovery of archaeal-type rhodopsins in bacteria and eukarya. Following the discovery of proton-pumping rhodopsins in marine bacteria (proteorhodopsins), an archaetypal system, consisting of a membrane-intrinsic sensory rhodopsin and a soluble interacting transducer, was recently identified in the cyanobacterium Anabaena. The powerful approach that combines genome 'digging' and protein expression is rapidly changing our understanding of light responses in lower organisms.
机译:在令人兴奋的发现细菌和真核生物中的古细菌型视紫红质后,基于全视网膜的光驱动离子泵和光传感不再是古细菌专有的企业。继在海洋细菌(蛋白视紫红质)中发现质子泵性视紫红质后,最近在蓝藻鱼腥藻中发现了一种原型系统,该系统由膜内感觉视紫红质和可溶性相互作用的换能器组成。结合基因组“挖掘”和蛋白质表达的强大方法正在迅速改变我们对低等生物中光反应的理解。

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