Co 2+ interaction with Azospirillum brasilense Sp7 cells: A 57Co emission Mössbauer spectroscopic study

Alexander A. Kamnev, Anna V. Tugarova, Borbála Biró, Krisztina Kovács, Zoltán Homonnay, E. Kuzmann, Attila Vértes

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Abstract

Preliminary 57Co emission Mössbauer spectroscopic data were obtained for the soil bacterium Azospirillum brasilense Sp7 (T = 80 K) in frozen 57Co 2+-containing suspensions and in their dried residues. The Mössbauer parameters were compared with those for A. brasilense strain Sp245 differing from strain Sp7 by ecological behaviour. Live cells of both strains showed metabolic transformations of 57Co 2+ within an hour. Differences in the parameters observed for the two strains under similar conditions suggest dissimilarities in their metabolic response to Co 2+.

Original languageEnglish
Pages (from-to)91-94
Number of pages4
JournalHyperfine Interactions
Volume206
Issue number1-3
DOIs
Publication statusPublished - Mar 1 2012

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Keywords

  • Azospirillum brasilense
  • Co emission Mössbauer spectroscopy
  • Cobalt(II) metabolism

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Nuclear and High Energy Physics
  • Condensed Matter Physics
  • Physical and Theoretical Chemistry

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