• [1]
    Coplin, D.L., Cook, D. (1990) Molecular genetics of extracellular polysaccharide biosynthesis in vascular phytopathogenic bacteria. Mol. Plant-Microbe Interact. 3, 271279.
  • [2]
    Brumbley, S.M., Denny, T.P. (1990) Cloning of wild-type Pseudomonas solanacearum phcA, a gene that when mutated alters expression of multiple traits that contribute to virulence. J. Bacteriol. 172, 56775685.
  • [3]
    Brumbley, S.M., Carney, B.F., Denny, T.P. (1991) Cloning and characterization of phcA, a regulatory gene of Pseudomonas solanacearum. Phytopathology 81, 1145 (Abstract).
  • [4]
    Daniels, M.J., Barber, C.E., Turner, P.C., Cleary, W.G., Sawczyc, M.K. (1984) Isolation of mutants of Xanthomonas campestris pv. campestris showing altered pathogenicity. J. Gen. Microbiol. 130, 24472454.
  • [5]
    Denny, T.P. (1995) Involvement of bacterial polysaccharides in plant pathogenesis. Annu. Rev. Phytopathol. 33, 173197.
  • [6]
    Katzen, F., Ferreiro, D.U., Oddo, C.G., Ielmini, V., Becker, A., Puhler, A., Ielpi, L. (1998) X. campestris pv. campestris gum mutants: Effects on xanthan biosynthesis and plant virulence. J. Bacteriol. 180, 16071617.
  • [7]
    Chou, F.-L., Chou, H.-C., Lin, Y.-S., Yang, B.-Y., Lin, N.-T., Weng, S.-F., Tseng, Y.-H. (1997) The Xanthomonas campestris gumD gene required for synthesis of xanthan gum is involved in normal pigmentation and virulence in causing black rot. Biochem. Biophys. Res. Commun. 233, 265279.
  • [8]
    Rajeshwari, R., Yashitola, J., Reddy, A.P.K., Sonti, R.V. (1997) Characteristics of stationary-phase variation affecting virulence in Xanthomonas oryzae pv. oryzae.. Can. J. Microbiol. 43, 862867.
  • [9]
    Tsuchiya, K., Mew, T.W., Wakimoto, S. (1982) Bacterial and pathological characteristics of wild-types and induced mutants of Xanthomonas campestris pv. oryzae. Phytopathology 72, 4346.
  • [10]
    Miller, J.H. (1992) A Short Course in Bacterial Genetics: A Laboratory Manual for Escherichia coli and Related Bacteria. Cold Spring Harbor Laboratory Press, Cold Spring Harbor, NY.
  • [11]
    Hopkins, C.M., White, F.F., Choi, S.H., Guo, A., Leach, J.E. (1992) Identification of a family of avirulence genes from Xanthomonas oryzae. Mol. Plant-Microbe Interact. 5, 451459.
  • [12]
    Wilson, K.J., Sessitch, A., Corbo, J.C., Giller, K.E., Akkermans, A.D.L., Jefferson, R.A. (1995) β-Glucuronidase (GUS) transposons for ecological and genetic studies of rhizobia and other Gram-negative bacteria. Microbiology 141, 16911705.
  • [13]
    Hancock, I. and Poxton, I. (1988) Isolation of exopolysaccharides. In: Bacterial Cell Surface Techniques (Hancock, I. and Poxton, I., Eds), pp. 121–125. Wiley Interscience, Chichester.
  • [14]
    DuBois, M., Gilles, K.A., Hamilton, J.K., Rebers, P.A., Smith, F. (1956) Colorimetric method for determination of sugars and related substances. Anal. Chem. 28, 350356.
  • [15]
    Kauffman, H.E., Reddy, A.P.K., Hsieh, S.P.Y., Merca, S.D. (1973) An improved technique for evaluation of resistance of rice varieties to Xanthomonas oryzae. Plant Dis. Rep. 57, 537541.
  • [16]
    Leach, J.E., White, F.F., Rhoads, M.L., Leung, H. (1990) A repetitive DNA sequence differentiates Xanthomonas campestris pv. oryzae from other pathovars of X. campestris. Mol. Plant-Microbe Interact. 3, 238246.
  • [17]
    Birnboim, H.C., Doly, J. (1979) A rapid alkaline extraction procedure for screening recombinant plasmid DNA. Nucleic Acids Res. 7, 15131523.
  • [18]
    Altschul, S.F., Gish, W., Miller, W., Myers, E.W., Lipman, D.J. (1990) Basic local alignment search tool. J. Mol. Biol. 215, 403410.
  • [19]
    Rajagopal, L. (1998) Genetics of Xanthomonas oryzae pv. oryzae: Studies on Pigment Biosynthesis. PhD thesis, Jawaharlal Nehru University, New Delhi.
  • [20]
    Bulewela, L., Forster, A., Boehm, T., Rabbitts, T.H. (1989) A rapid procedure for for colony screening using nylon filters. Nucleic Acids Res. 17, 452.
  • [21]
    Capage, M.A., Doherty, D.A., Betlach, M. and Vanderslice, R.W. (1996) Recombinant-DNA mediated production of xanthan gum. US Patent No. 5,559,015.
  • [22]
    Tang, J.-L., Feng, J.-X., Li, Q.-Q., Wen, H.-X., Zhou, D.-L., Wilson, T.J.G., Dow, J.M., Ma, Q.-S., Daniels, M.J. (1996) Cloning and characterization of the rpfC gene of Xanthomonas oryzae pv. oryzae: Involvement in exopolysaccharide production and virulence to rice. Mol. Plant-Microbe Interact. 9, 664666.
  • [23]
    Tang, J-L., Liu, Y-N., Barber, C.E., Dow, J.M., Wootton, J.C., Daniels, M.J. (1991) Genetic and molecular analysis of a cluster of rpf genes involved in positive regulation of synthesis of extracellular enzymes and polysaccharide in Xanthomonas campestris pv. campestris. Mol. Gen. Genet. 226, 409417.