Variations in xanthan production by antibiotic-resistant mutants of Xanthomonas campestris

  title={Variations in xanthan production by antibiotic-resistant mutants of Xanthomonas campestris},
  author={H{\'e}ctor Xavier Alfaro Rodr{\'i}guez and Lorenzo Aguilar and Mieczysław Lao},
  journal={Applied Microbiology and Biotechnology},
Mutants resistant to different antibiotics (streptomycin, tetracycline, ampicillin and penicillin) were obtained from several strains of Xanthomonas campestris and evaluated for xanthan production. Most of the mutants showed alterations in their polysaccharide production, either increasing, decreasing or totally losing their polymer-production capacity. The existence of two types of antibiotic-resistance mechanisms for the assayed drugs is suggested: one that affects xanthan production and… CONTINUE READING

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