Molecular Plant-Microbe Interactions (2001) 14, 599-608

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Karen Cornelis, Tita Ritsema, Jaap Nijsse, Marcelle Holsters, Koen Goethals and Mondher Jaziri (2001)
The plant pathogen Rhodococcus fascians colonizes the exterior and interior of the aerial parts of plants
Molecular Plant-Microbe Interactions 14 (5), 599-608
Abstract: Rhodococcus fascians is a plant-pathogenic bacterium that causes malformations on aerial plant parts, whereby leafy galls occur at axillary meristems. The colonization behavior on Nicotiana tabacum and Arabidopsis thaliana plants was examined. Independent of the infection methods, R. fascians extensively colonized the plant surface where the bacteria were surrounded by a slime layer. R. fascians caused the collapse of epidermal cells and penetrated intercellularly into the plant tissues. The onset of symptom development preceded the extensive colonization of the interior. The meristematic regions induced by pathogenic strain D188 were surrounded by bacteria. The nonpathogenic strain, D188-5, colonized the exterior of the plant equally well, but the linear plasmid (pFiD188) seemed to be involved in the penetration efficiency and colonization of tobacco tissues.
(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): Koen Goethals

Research topic(s) for pests/diseases/weeds:
general biology - morphology - evolution


Pest and/or beneficial records:

Beneficial Pest/Disease/Weed Crop/Product Country Quarant.


Rhodococcus fascians Tobacco (Nicotiana tabacum)