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Xanthomonadales ord. nov.

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Abstract

Gram-negative straight rods lacking prosthecae; hyaline stalks found in one genus (Nevskia). Endospores are not produced, no accumulation of poly-β-hydroxybutyrate inclusions. Motile with polar flagellation, flexing/gliding (Lysobacter), or nonmotile. Obligate aerobes, having a strictly respiratory metabolism with oxygen as the terminal electron acceptor. Catalase positive. Nitrate not reduced, with the exception of Stenotrophomonas. Oxidase production varies. Fatty acid profiles are complex; branched chain and/or hydroxy fatty acids are found. Ubiquinone Q8 is generally found. Optimum temperature 20–35°C; except Thermomonas, 37–50°C.

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Further Reading

  • Bradbury, J.F. 1986. Guide to Plant Pathogenic Bacteria, CAB International Mycological Institute, Kew.

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Further Reading

  • Hopkins, D.L. 1989. Xylella fastidiosa: xylem-limited bacterial pathogens of plants. Ann. Rev. Phytopathol. 27: 271–290.

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  • Purcell, A.H. 1997. Xylella fastidiosa, a regional problem or global threat? J. Plant Pathol. 79: 99–105.

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  • Purcell, A.H. and D.L. Hopkins. 1996. Fastidious xylem-limited bacterial plant pathogens. Ann. Rev. Phytopathol. 34: 131–151.

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© 2005 Springer

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Saddler, G.S., Bradbury, J.F. (2005). Xanthomonadales ord. nov. . In: Brenner, D.J., et al. Bergey’s Manual® of Systematic Bacteriology. Springer, Boston, MA. https://doi.org/10.1007/0-387-28022-7_3

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