Publication: Cadmium-induced adaptive resistance and cross-resistance to zinc in Xanthomonas campestris
Issued Date
2003-09-01
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ISSN
03438651
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2-s2.0-0041523878
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Mahidol University
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SCOPUS
Bibliographic Citation
Current Microbiology. Vol.47, No.3 (2003), 260-262
Suggested Citation
Peerakarn Banjerdkij, Paiboon Vattanaviboon, Skorn Mongkolsuk Cadmium-induced adaptive resistance and cross-resistance to zinc in Xanthomonas campestris. Current Microbiology. Vol.47, No.3 (2003), 260-262. doi:10.1007/s00284-003-4025-5 Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/20884
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Title
Cadmium-induced adaptive resistance and cross-resistance to zinc in Xanthomonas campestris
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Abstract
Cadmium (Cd) and zinc (Zn) are environmental pollutants affecting both soil and water. The toxicity resulting from the exposure of Xanthomonas campestris, a soil bacterium and plant pathogen, to these metals was investigated. Pretreatment of X. campestris with sub-lethal concentrations of Cd induced adaptive protection against subsequent exposure to lethal doses of Cd. Moreover, Cd-induced cells also showed cross-resistance to lethal concentrations of Zn. These induced protections required newly synthesized proteins. Unexpectedly, Zn-induced cells did not exhibit adaptive protection against lethal concentrations of Zn or Cd. These data suggested that the increased resistance to Cd and Zn killing probably involved other protective mechanisms in addition to ion efflux.