Arabidopsis thaliana 1 Article 1 Biological Evolution 1 Chloroplast movement 1 Chloroplasts 1 Embryophyta 1 Gene duplication 1 Genes, Plant 1 LOV domain 1 Liverwort 1 Marchantia 1 Photocycle 1 Phototropin 1 Phototropins 1 cell function 1 chemical reaction 1 chemistry 1 chloroplast 1 evolution 1 gene duplication 1 genetics 1 light 1 metabolism 1 nonhuman 1 photochemistry 1 phototropin physiology 1 plant evolution 1 plant gene 1 plant protein 1