Oxidation of Manganese and Formation of Mn(3)O(4) (Hausmannite) by Spore Coats of a Marine Bacillus sp.

S Mann, NH Sparks, GH Scott, Vrind-de Jong EW de

Research output: Contribution to journalArticle

Abstract

solated spore coats of a marine Bacillus species were incubated in 25 mM MnCl(2) at pH 7.5. Manganese precipitates, formed on the coat surfaces, were analyzed by transmission electron microscopy, electron diffraction, and energy-dispersive X-ray spectroscopy. Initially, an amorphous manganese oxide was observed on the coats which recrystallized to hausmannite after prolonged incubation in the MnCl(2) solution. The spore coats catalyze the oxidation of Mn(II) and have no structural influence on the final mineral phase precipitated.
Original languageEnglish
Pages (from-to)2140-2143
JournalApplied and Environmental Microbiology
Volume54
Issue number8
Publication statusPrint publication - Aug 1988
Externally publishedYes

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