The plant cell defense andAgrobacterium tumefaciens
Open Access
- 1 June 2005
- journal article
- Published by Oxford University Press (OUP) in FEMS Microbiology Letters
- Vol. 247 (2) , 207-213
- https://doi.org/10.1016/j.femsle.2005.05.010
Abstract
We previously identified changes in gene expression in Ageratum conyzoides plant cells inoculated with Agrobacterium tumefaciens by using cDNA-AFLP. Here, we show that a subset of defense-related genes is differentially regulated by an Agrobacterium attachment-deficient mutant. The expression pattern triggered by this mutant is similar to that induced by inoculation with non-pathogenic bacteria. We also observed that the expression level of the defense genes was inversely correlated with the efficiency of transformation by Agrobacterium . We propose that the plant defense system has an important role in controlling infection and transformation and that Agrobacterium may dampen some plant defense responses.Keywords
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