The evolution of YidC/Oxa/Alb3 family in the three domains of life: a phylogenomic analysis |
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| Authors: | Yu-Juan Zhang Hai-Feng Tian Jian-Fan Wen |
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| Institution: | (1) State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan Province, 650223, PR China;(2) Graduate School of the Chinese Academy of Sciences, Beijing, 100039, PR China |
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| Abstract: | Background YidC/Oxa/Alb3 family includes a group of conserved translocases that are essential for protein insertion into inner membranes
of bacteria and mitochondria, and thylakoid membranes of chloroplasts. Because mitochondria and chloroplasts are of bacterial
origin, Oxa and Alb3, like many other mitochondrial/chloroplastic proteins, are hypothetically derived from the pre-existing
protein (YidC) of bacterial endosymbionts. Here, we test this hypothesis and investigate the evolutionary history of the whole
YidC/Oxa/Alb3 family in the three domains of life. |
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