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Title: The Tic20 gene family: Phylogenetic analysis and evolutionary considerations
Authors: Töpel, Mats
Jarvis, Paul
First Published: Jul-2011
Publisher: Landes Bioscience
Citation: Plant Signaling and Behavior, 2011, 6 (7), pp. 128-130.
Abstract: Tic20 is a polytopic protein of the inner envelope membrane of chloroplasts, and it is proposed to act as a translocation channel during chloroplast protein import. By analysing 29 sequences from diverse organisms, it was evident that Tic20-related proteins form two distinct clades, termed Group 1 and Group 2. The former group includes canonical Tic20 proteins that are essential for chloroplast development, while members of the latter are of unknown function. An increased evolutionary rate, in connection with adaptation to terrestrial life, was detected in Group 1. Interestingly, the sub-cellular (genomic) localization of genes coding for Group 1 proteins differs between evolutionary lineages.
DOI Link: 10.4161/psb.6.7.15631
ISSN: 1559-2316
eISSN: 1559-2324
Version: Post-print
Status: Peer-reviewed
Type: Journal Article
Rights: Copyright © Landes Bioscience. Deposited with reference to the publisher's archiving policy available on the SHERPA/RoMEO website.
Appears in Collections:Published Articles, Dept. of Biology

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