Abstract
Rhizobium vitis: strain VAR03-1 is a biological control agent that suppresses grapevine crown gall disease caused by a tumorigenic strain of R. vitis (Ti). Both acetosyringone-induced expression of a virulence gene and the growth of Ti were suppressed in vitro when it was cultivated in the VAR03-1 culture filtrate. These inhibitory effects were reduced by high-temperature treatment or incubation for 72 h. Both activities were detected in the high molecular weight fraction (> 100 kDa) of the filtrate. Our results suggest that the antagonistic effects of VAR03-1 on Ti are mediated by large particle(s) released in the culture media.
| Original language | English |
|---|---|
| Pages (from-to) | 1-7 |
| Number of pages | 7 |
| Journal | Journal of General Plant Pathology |
| DOIs | |
| Publication status | Accepted/In press - Dec 2 2017 |
Keywords
- Antitumorigenic bacterial strain
- Biological control agent
- Crown gall disease
- Rhizobium vitis
ASJC Scopus subject areas
- Agronomy and Crop Science
- Plant Science
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Saito, K., Watanabe, M., Matsui, H., Yamamoto, M., Ichinose, Y., Toyoda, K., Kawaguchi, A., & Noutoshi, Y. (Accepted/In press). Characterization of the suppressive effects of the biological control strain VAR03-1 of Rhizobium vitis on the virulence of tumorigenic R. vitis. Journal of General Plant Pathology, 1-7. https://doi.org/10.1007/s10327-017-0756-1