Are classification and phytopathological diversity compatible in Xanthomonas?

The genus Xanthomonas is characterized by its phytopathogenic diversity and the host specificity of its members. In the past, the classification of the members of this genus has been based primarily on the criterion of host specificity. This has led to a classification system which focused only on n...

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Bibliographic Details
Published inJournal of industrial microbiology & biotechnology Vol. 19; no. 2; pp. 77 - 82
Main Authors Vauterin, L, Swings, J
Format Journal Article
LanguageEnglish
Published Heidelberg Oxford University Press 01.08.1997
Springer
Subjects
AGENT PATHOGENE
Bacterial plant pathogens
Bacteriology
BACTERIOSE
BACTERIOSES
BACTERIOSIS
Biological and medical sciences
CLASIFICACION
CLASSIFICATION
Fundamental and applied biological sciences. Psychology
Microbiology
NON-PATHOGENIC XANTHOMONAS
ORGANISMOS PATOGENOS
PATHOGENS
Phytopathology. Animal pests. Plant and forest protection
plant pathogenic bacteria
Systematics
Systematics. Structure, properties and multiplication. Genetics
XANTHOMONAS
Keywords: Xanthomonas; diversity; classification; pathogenicity
Pseudomonadales
Pathogenicity
Plant pathogen
Taxonomy
Bacteria
Pseudomonadaceae
Review
Biodiversity
Xanthomonas
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Summary:The genus Xanthomonas is characterized by its phytopathogenic diversity and the host specificity of its members. In the past, the classification of the members of this genus has been based primarily on the criterion of host specificity. This has led to a classification system which focused only on naming phytopathogenic variants on different hosts. Extensive taxonomic examination of Xanthomonas has shown that the phytopathogenic specialization of the bacteria is not correlated with the actual relationships within the genus. Based upon total genomic DNA homology, the genus has been reclassified into 20 species. At present, non-pathogenic xanthomonads are frequently isolated from plant material. As these strains often cannot be classified to existing species, it becomes clear that the diversity of the genus is much greater than expected from the phytopathogenic subpopulation, which has been the primary subject in the past. The example of Xanthomonas also illustrates that attempts to divide bacterial populations into discrete taxa conflict with the actual continuous nature of biodiversity
Bibliography:1997063362
H20
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ISSN:1367-5435
1476-5535
DOI:10.1038/sj.jim.2900433