Ralstonia solanacearum: secrets of a major pathogen unveiled by analysis of its
genome
Stephane Genin and Christian Boucher
Laboratoire de Biologie Moléculaire des Relations Plantes-Microorganismes,
INRA-CNRS, BP27, 31326 Castanet-Tolosan Cedex, France
|
| Taxonomy: |
Bacteria; Proteobacteria;
ßsubdivision; Ralstonia group; genus Ralstonia |
| Microbial properties: |
Gram-negative, aerobic, motile rod. |
| Disease symptoms: |
Agent of bacterial wilt of
solanaceous plants, which appears as a sudden wilt. Typically, stem
crosssections ooze a whitish bacterial exudate. R. solanacearum is
also the agent of the Moko disease of banana and brown rot of potato. |
| Disease control: |
Pathogen-free seed and transplants.
Few resistant and tolerant plant lines. Sanitation and cultural rotations. |
| Useful web sites: |
http://ibws.nexenservices.com/
http://sequence.toulouse.inra.fr/r.solanacearum.html |
|
Symptoms caused by R. solanacearum on tomato (A) and
by R. solanacearum strain GMI1000 on Arabidopsis thaliana
ecotype Columbia (B). Typical wilting symptoms can be
observed 5–6 days after inoculation. |
|
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