Novel surface associated polyphosphate bodies sequester uranium in the filamentous, marine cyanobacterium, Anabaena torulosa

Celin Acharya; Shree Kumar Apte

doi:10.1039/C3MT00139C

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Novel surface associated polyphosphate bodies sequester uranium in the filamentous, marine cyanobacterium, Anabaena torulosa†

Celin Acharya^a and Shree Kumar Apte*^a

Author affiliations

* Corresponding authors

^a Molecular Biology Division, Bhabha Atomic Research Centre, Trombay, Mumbai – 400 085, India
E-mail: celin@barc.gov.in, aptesk@barc.gov.in, sksmbd@barc.gov.in
Fax: +91 22 25505189
Tel: +91 22 25595342

Abstract

A filamentous, heterocystous, nitrogen-fixing marine cyanobacterium, Anabaena torulosa, has been shown to harbour surface associated, acid soluble polyphosphate bodies. Uranium immobilization by such polyphosphate bodies, reported in cyanobacteria for the first time, demonstrates a novel uranium sequestration phenomenon.