Molecular and atomic analysis of uranium complexes formed by three eco-types of Acidithiobacillus ferrooxidans.

Abstract:

:A combination of EXAFS, transmission electron microscopy and energy-dispersive X-ray was used to conduct a molecular and atomic analysis of the uranium complexes formed by Acidithiobacillus ferrooxidans. The results demonstrate that this bacterium accumulates uranium as phosphate compounds. We suggest that at toxic levels when the uranium enters the bacterial cells, A. ferrooxidans can detoxify and efflux this metal by a process in which its polyphosphate bodies are involved.

journal_name

Biochem Soc Trans

authors

Merroun M,Hennig C,Rossberg A,Geipel G,Reich T,Selenska-Pobell S

doi

10.1042/bst0300669

keywords:

subject

Has Abstract

pub_date

2002-08-01 00:00:00

pages

669-72

issue

4

eissn

0300-5127

issn

1470-8752

journal_volume

30

pub_type

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