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Journal of Phytopathology (2008) 156, 174-180
W. Yang, Y. Liu, L. Chen, G. Qian, H. Liu, B. Hu and F. Liu (2008)
Involvement of gluconeogenic pathway in virulence of Xanthomonas oryzae pv. oryzae
Journal of Phytopathology 156 (3), 174-180
Abstract: Xanthomonas oryzae pv. oryzae causes bacterial leaf blight, one of the most widespread and destructive bacterial diseases of rice. A phosphoenolpyruvate synthase (ppsA)-disrupted mutant OSPAM was generated by homologous suicide plasmid integration. The mutant was unable to grow in medium with pyruvate or C4-dicarboxylates as the sole carbon source, compared with the wild-type, indicating a disruption in ppsA function. The mutant showed a reduction in virulence on rice but still induced a hypersensitive response in tobacco. When the mutant was complemented, the response was recovered to wild-type. These results suggested that X. oryzae pv. oryzae possesses only PPSA route in gluconeogenesis, which is necessary for virulence.
(The abstract is excluded from the Creative Commons licence and has been copied with permission by the publisher.)
Link to article at publishers website
Database assignments for author(s): Fengquan Liu, Baishi Hu
Research topic(s) for pests/diseases/weeds:
molecular biology - genes
Pest and/or beneficial records:
Beneficial | Pest/Disease/Weed | Crop/Product | Country | Quarant.
|
---|---|---|---|---|
Xanthomonas oryzae | Rice (Oryza) |