期刊
FEBS LETTERS
卷 582, 期 20, 页码 3073-3079出版社
WILEY
DOI: 10.1016/j.febslet.2008.07.061
关键词
chloroplast; mitochondria; peroxisome; dual targeting; green fluorescent protein; alternative NAD(P)H dehydrogenase
We found that four type II NAD(P) H dehydrogenases (ND) in Arabidopsis are targeted to two locations in the cell; NDC1 was targeted to mitochondria and chloroplasts, while NDA1, NDA2 and NDB1 were targeted to mitochondria and peroxisomes. Targeting of NDC1 to chloroplasts as well as mitochondria was shown using in vitro and in vivo uptake assays and dual targeting of NDC1 to plastids relies on regions in the mature part of the protein. Accumulation of NDA type dehydrogenases to peroxisomes and mitochondria was confirmed using Western blot analysis on highly purified organelle fractions. Targeting of ND proteins to mitochondria and peroxisomes is achieved by two separate signals, a C-terminal signal for peroxisomes and an N-terminal signal for mitochondria. (C) 2008 Federation of European Biochemical Societies. Published by Elsevier B. V. All rights reserved.
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