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Int. J. Mol. Sci. 2009, 10(6), 2476-2486; doi:10.3390/ijms10062476

Voltage-Dependent Anion Channel 2 of Arabidopsis thaliana (AtVDAC2) Is Involved in ABA-Mediated Early Seedling Development

1
Key Laboratory of Bio-resources and Eco-environment of the Ministry of Education, College of Life Science, Sichuan University, Chengdu 610064, China
2
Biotechnology & Genetic Germplasm Institute, Yunnan Academy of Agricultural Sciences, 9# Xueyun Road, Kunming 650223, China
*
Author to whom correspondence should be addressed.
Received: 28 April 2009 / Revised: 13 May 2009 / Accepted: 17 May 2009 / Published: 26 May 2009
(This article belongs to the Section Biochemistry, Molecular Biology and Biophysics)
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Abstract

The voltage-dependent anion channel (VDAC) is the major transport protein in the outer membrane of mitochondria and plays crucial roles in energy metabolism, apoptosis, and metabolites transport. In plants, the expression of VDACs can be affected by different stresses, including drought, salinity and pathogen defense. In this study, we investigated the expression pattern of AtVDAC2 in A. thaliana and found ABA suppressed the accumulation of AtVDAC2 transcripts. Further, phenotype analysis of this VDAC deregulated-expression transgenic Arabidopsis plants indicated that AtVDAC2 anti-sense line showed an ABA-insensitivity phenotype during the early seedling development under ABA treatment. The results suggested that AtVDAC2 might be involved in ABA signaling in A. thaliana.
Keywords: Arabidopsis thaliana; voltage-dependent anion channel; abscisic acid; ABA signaling Arabidopsis thaliana; voltage-dependent anion channel; abscisic acid; ABA signaling
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MDPI and ACS Style

Yan, J.; He, H.; Tong, S.; Zhang, W.; Wang, J.; Li, X.; Yang, Y. Voltage-Dependent Anion Channel 2 of Arabidopsis thaliana (AtVDAC2) Is Involved in ABA-Mediated Early Seedling Development. Int. J. Mol. Sci. 2009, 10, 2476-2486.

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