Evolutionary conservation of dual Sec translocases in the cyanelles of <Emphasis Type="Italic">Cyanophora paradoxa</Emphasis> |
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Authors: | Fumie Yusa Jürgen M Steiner Wolfgang Löffelhardt |
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Institution: | (1) SLT, Nagahama-city, Shiga-ken 526-0829, Japan;(2) Max F. Perutz Laboratories, University of Vienna, Department of Biochemistry, Dr. Bohrgasse 9, A-1030, Vienna, Austria |
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Abstract: | Background Cyanelles, the peptidoglycan-armored plastids of glaucocystophytes, occupy a unique bridge position in between free-living
cyanobacteria and chloroplasts. In some respects they side with cyanobacteria whereas other features are clearly shared with
chloroplasts. The Sec translocase, an example for "conservative sorting" in the course of evolution, is found in the plasma
membrane of all prokaryotes, in the thylakoid membrane of chloroplasts and in both these membrane types of cyanobacteria. |
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