Kinetics of Mn(II) Oxidation by Bacillus sp. SG-1 spore

Abstract

Factors influencing bacterial Mn(II) oxidation by the multi-copper oxidase-like enzyme on the spore of the marine Bacillus sp. SG-1 are examined in time course experiments with initial Mn (II) concentration between 0.03mM and 0.05mM. Ca2+ ions have a dramatic effect on the oxidation in artificial seawater, while Mg2+, Sr2+, K+, NO3- have no effects. The rate at 10mM of Ca2+ ions (seawater composition) was four or five times that with no Ca2+ ions.