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http://dx.doi.org/10.6109/jkiice.2011.15.4.1000

Effects of Agrobacterium tumefaciens and Tumor-inducing plasmid on the virulence gene expression  

Eum, Jin-Seong (목원대학교)
Publication Information
Journal of the Korea Institute of Information and Communication Engineering / v.15, no.4, 2011 , pp. 1000-1006 More about this Journal
Abstract
We examined the effects of various phenolic compounds, Ti plasmids(octopine, nopaline) and A. tumefaciens on the vir gene expression. Nine phenolic compounds were tested using 3 types of Ti plasmid and 3 strains of A. tumefaciens on the vir gene expression. It was also investigated how the levels of vir gene expression could be related to specific phenolic compounds. Six phenolic compounds as 4-hydroxyacetophenone, phenol, catechol, resorcinol, acetosyringone and vanillin had exhibited a strong effect on the vir gene expression of A. tumefaciens MW107 containing nopaline Ti plasmid. The vir genes of A. tumefaciens MW105 and MW108 containing octopine Ti plasmids were remarkably stimulated only by acetosyringone. Thus, it appeared that the vir gene inducing abilities were differed by the kinds of phenolic compounds, A. tumefaciens and Ti plasmids.
Keywords
Agrobacterium tumefaciens; octopine; nopaline; phenolic compounds;
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