2012
DOI: 10.1002/wdev.96
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The evolution of vision

Abstract: In this review, the evolution of vision is retraced from its putative origins in cyanobacteria to humans. Circadian oscillatory clocks, phototropism, and phototaxis require the capability to detect light. Photosensory proteins allow us to reconstruct molecular phylogenetic trees. The evolution of animal eyes leading from an ancestral prototype to highly complex image forming eyes can be deciphered on the basis of evolutionary developmental genetic experiments and comparative genomics. As all bilaterian animals… Show more

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Cited by 123 publications
(119 citation statements)
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References 212 publications
(242 reference statements)
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“…It is not only used as a primary source of information on the external world, but also drives several biological processes, such as photosynthesis and biological clocks [1]. Light energy and information are usually captured by photoreceptor proteins, and the rhodopsin family is one of the most studied among them.…”
Section: Introductionmentioning
confidence: 99%
“…It is not only used as a primary source of information on the external world, but also drives several biological processes, such as photosynthesis and biological clocks [1]. Light energy and information are usually captured by photoreceptor proteins, and the rhodopsin family is one of the most studied among them.…”
Section: Introductionmentioning
confidence: 99%
“…Gehring postulated a symbiont theory for eye evolution, which he dubbed the 'Russian Doll' hypothesis (Gehring, 2014). He supported the idea that light sensitivity first arose in cyanobacteria, which were later engulfed by red algae as primary chloroplasts.…”
mentioning
confidence: 99%
“…(Gehring 2014). Para melhor ressaltar essa importância evolutiva, na figura 50 comparamos a sinalização proposta (A) com a sinalização presente em bastonetes da retina de vertebrados (B).…”
Section: Cnga1 --Mklsmknniintqqsfvtmpnvivpdiekeirrmen-----gacssfsedddunclassified
“…É interessante notar que organismos que divergiram a mais de um bilhão de anos, como Blastocladiella e vertebrados (Lutzoni et al 2004) possuam rodopsinas como proteínas sensoras e GMP cíclico como segundo mensageiro para sua resposta à luz. Isto nos leva a supor que a visão em vertebrados possa ter evoluído da fototaxia de organismos unicelulares como alguns autores já hipotetizaram, e que ambas as sinalizações possam ter uma origem comum (Foster 2009;Gehring 2014 A sinalização pelo segundo mensageiro GMP cíclico parece estar ausente na maioria dos fungos incluindo ascomicetos e basiodiomicetos (os fungos mais bem estudados), sendo que nenhuma guanilato ciclase ou fosfodiesterase específica para cGMP foi identificada em genomas publicados de fungos (Johnson and Leroux 2010).…”
Section: Cnga1 --Mklsmknniintqqsfvtmpnvivpdiekeirrmen-----gacssfsedddunclassified
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