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- 2016.9
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- 705 - 713 (9page)
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The efficiency of Agrobacterium-mediated transfor-mation in plants depends on the virulence of Agrobacterium strains, the plant tissue culture conditions, and the susceptibility of host plants. Understanding the molecular interactions between Agrobacterium and host plant cells is crucial when manipulating the susceptibility of recalcitrant crop plants and protecting orchard trees from crown gall disease. It was discovered that Arabidopsis voltage-dependent anion channel 1 (atvdac1) mutant has drastic effects on Agrobacterium-mediated tumorigenesis and growth developmental phenotypes, and that these effects are dependent on a Ws-0 genetic background. Genetic complementation of Arabidopsis vdac1 mutants and yeast porin1-deficient strain with members of the AtVDAC gene family revealed that AtVDAC1 is required for Agrobacterium-mediated transformation, and there is weak functional redundancy between AtVDAC1 and AtVDAC3, which is independent of porin activity. Furthermore, atvdac1 mutants were deficient in transient and stable transformation by Agrobacterium, suggesting that AtVDAC1 is involved in the early stages of Agrobacterium infection prior to transferred-DNA (T-DNA) integration. Transgenic plants overexpressing AtVDAC1 not only complemented the phenotypes of the atvdac1 mutant, but also showed high efficiency of transient T-DNA gene expression; however, the efficiency of stable transformation was not affected. Moreover, the effect of phytohormone treatment on competence to Agrobacterium was compromised in atvdac1 mutants. These data indicate that AtVDAC1 regulates the competence of Arabidopsis to Agrobacterium infection.
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참고문헌 (44)
참고문헌 신청
Abu-Hamad, S. / 2006 / The expression level of the voltage-dependent anion channel controls life and death of the cell / Proc. Natl. Acad. Sci. USA 103:5787~5792
Anand, A. / 2007 / Identification and characterization of plant genes involved in Agrobacterium-mediated plant transformation by virus-induced gene silencing / silencing. Mol. Plant-Microbe Interact 20:41~52
Anand, A. / 2007 / Arabidopsis VIRE2 INTERACTING PROTEIN2 is required for Agrobacterium T-DNA integration in plants / Plant Cell 19:1695~1708
Baines, C. P. / 2007 / Voltage-dependent anion channels are dispensable for mitochondrial-dependent cell death / Nat. Cell Biol 9:550~555
Bent, A. / 1998 / Floral dip : a simplified method for Agrobacterium-mediated transformation of Arabidopsis thaliana / Plant J 16:735~743
Anand, A. / 2007 / Identification and characterization of plant genes involved in Agrobacterium-mediated plant transformation by virus-induced gene silencing / silencing. Mol. Plant-Microbe Interact 20:41~52
Anand, A. / 2007 / Arabidopsis VIRE2 INTERACTING PROTEIN2 is required for Agrobacterium T-DNA integration in plants / Plant Cell 19:1695~1708
Baines, C. P. / 2007 / Voltage-dependent anion channels are dispensable for mitochondrial-dependent cell death / Nat. Cell Biol 9:550~555
Bent, A. / 1998 / Floral dip : a simplified method for Agrobacterium-mediated transformation of Arabidopsis thaliana / Plant J 16:735~743
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