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Characterization of a cDNA encoding a rice mitochondrial voltage-dependent anion channel and its gene expression
N Roosens1, F Al Bitar, M Jacobs
1Laboratorium voor Plantengenetica, Vrije Universiteit Brussel, Paardenstraat 65, B1640, Sint Genesius Rode, Belgium.
Biochimica Et Biophysica Acta
|February 17, 2000
Abstract:
The voltage-dependent anion channel (VDAC) of mitochondria forms a large pore in the outer envelope membrane. Here, the full Oryza sativa OSVDAC1 cDNA was sequenced and is shown to belong to a small multigene family in the rice genome. This cDNA is 1093 bp long and codes for a protein of 274 amino acids. Expression studies of the osvdac1 gene show a regulation of its level in function of the plantlets maturation and organs. In contrast with several bacterial porins, osmotic stress does not have any effect on the plant osvdac1 gene expression.