Metal binding capabilities of Rhizobium etli and its extracellular polymeric substances

Extracellular polymeric substances (EPS) produced from a strain of Rhizobium etli demonstrated an ability to bind a variety of metals. Cells and capsular EPS rapidly bound Mn^sup 2+^ ions preferentially to Pb^sup 2+^ and Cu^sup 2+^, but also showed an affinity for Pb^sup 2+^. The binding capabilitie...

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Bibliographic Details
Published in:Biotechnology letters 2000-11, Vol.22 (22), p.1757-1760
Main Authors: FOSTER, L. J. R, MOY, Y. P, ROGERS, P. L
Format: Article
Language:English
Subjects:
Binding sites
Biological and medical sciences
Biology of microorganisms of confirmed or potential industrial interest
Bioremediation
Biotechnology
Fundamental and applied biological sciences. Psychology
lead
Metals
Miscellaneous
Mission oriented research
Polymers
Rhizobium etli
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Summary:Extracellular polymeric substances (EPS) produced from a strain of Rhizobium etli demonstrated an ability to bind a variety of metals. Cells and capsular EPS rapidly bound Mn^sup 2+^ ions preferentially to Pb^sup 2+^ and Cu^sup 2+^, but also showed an affinity for Pb^sup 2+^. The binding capabilities of soluble EPS were affected by its extraction and processing. The results suggest potential applications in the field of bioremediation.[PUBLICATION ABSTRACT]
ISSN:0141-5492
1573-6776
DOI:10.1023/A:1005694018653