Bacterial consorts which enhance the copper tolerance of amphora coffeaeformis

Rafael A. Garduño, Beverley D. Hall, Maurice G. Robinson

Producción científica: Contribución a una revistaArtículorevisión exhaustiva

3 Citas (Scopus)

Resumen

A diverse bacterial community, dominated by Gram negative populations, was found associated with biofilms of the fouling diatom, Amphora coffeaeformis. In the characterization of some members of this culturable bacterial community, emphasis was placed upon their ability to enhance growth of the diatom in elevated Cu2+ concentrations. Some selected bacterial consorts, particularly those belonging to the genera Pseudomonas and Rhodococcus, enabled A. coffeaeformis to grow in artificial sea water medium containing normally inhibitory Cu2+ concentrations, demonstrating their ability to establish functional interactions with the diatom leading to enhanced copper tolerance. Owing to the specific nature of the beneficial effect (only produced by certain consorts and under copper stress), the establishment of such interactions could be regarded as a mechanism of copper resistance of A. coffeaeformis.

Idioma originalEnglish
Páginas (desde-hasta)285-297
Número de páginas13
PublicaciónBiofouling
Volumen7
N.º4
DOI
EstadoPublished - dic. 1 1993
Publicado de forma externa

Nota bibliográfica

Funding Information:
This work was funded by the Canadian Department of National Defence, through the Academic Research Program number 3705-624 [FUHHD][RR03]. We are grateful to Leslie Brown for helpful discussions and constructive criticism during the preparation of the manuscript, as well as to Dr William W Kay for reading and expressing his comments about the manuscript. We also thank the anonymous reviewers who made valuable suggestions for the improvement of this manuscript.

ASJC Scopus Subject Areas

  • Aquatic Science
  • Applied Microbiology and Biotechnology
  • Water Science and Technology

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