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The hosts of Xanthomonas

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Xanthomonas

Abstract

Bacteria belonging to the genus Xanthomonas are, with the exception of X. maltophilia which is cosmopolitan in distribution and not known to be a plant pathogen (Swings et al., 1983), plant-associated bacteria and not usually encountered in other environments. They are not invariably plant pathogens. Isolates resembling X. campestris pv. campestris have been found in asymptomatic association with plant tissue or as epiphytes (Maas et al., 1985; Angeles-Ramos et al., 1991) and there are other xanthomonads which appear to be limited to secondary invasion of plant tissue after infection by a primary bacterial pathogen (Gitaitis et al., 1987b). An analysis of published information on the hosts of Xanthomonas (Leyns et al., 1984) showed that Xanthomonas infections occur on at least 124 monocotyledonous and 268 dicotyledonous plant species. Among monocotyledons the range of hosts extends across 11 families comprising at least 70 genera, and there are hosts in 57 families of dicotyledons comprising more than 170 genera. No strong association of hosts with any of the subclasses of the angiosperm families has been found (Leyns et al., 1984).

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Hayward, A.C. (1993). The hosts of Xanthomonas . In: Swings, J.G., Civerolo, E.L. (eds) Xanthomonas. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-1526-1_1

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