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Tartrate Utilization Genes Promote Growth of Agrobacterium spp. on Grapevine

August 1998 , Volume 11 , Number  8
Pages  836 - 838

J.-Y. Salomone , 1 E. Szegedi , 2 P. Cobanov , 3 and L. Otten 1

1Department of Cellular Biology, Plant Molecular Biology Institute of the C. N. R. S., 12 Rue du Général Zimmer, 67084, Strasbourg, France; 2Research Institute for Viticulture and Enology, P.O. Box 25, 6000 Kecskemét, Hungary; 3INRA, Station de Recherche Vigne et Vin, Laboratoire de Pathologie Végétale, 28 rue de Herrlisheim, 68021 Colmar, France

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Accepted 23 April 1998.

Crown gall on grapevine is mainly caused by Agrobacterium vitis, which metabolizes tartrate. Competition experiments between a tartrate-utilizing strain and its non-utilizing derivative showed that tartrate utilization confers a selective advantage on grapevine.

© 1998 The American Phytopathological Society