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IJEB Vol.48(05) [May 2010] >


Title: Enhancement of magnetotactic bacterial yield in a modified MSGM medium without alteration of magnetosomes properties
Authors: Kundu, Srikanya
Kulkarni, Gauri R
Keywords: Culture
Magnetosime
Magnetotatic bacteria
Issue Date: May-2010
Publisher: CSIR
Abstract: Magnetotactic bacteria (MTB), Magnetospirillum magnetotacticum (MS-1) were successfully grown in modified magnetic spirillum growth medium (MSGM) at normal laboratory environment. About five-time increase in the bacterial yield was achieved in the modified MSGM medium without compromising their magnetosomes properties. Transmission electron and scanning electron microscopy (TEM & SEM) were used for morphological study of MTB. Energy dispersive analysis of X-rays (EDAX) and vibrating sample magnetometer (VSM) techniques, respectively, were used to elucidate the phase and magnetization in the bacterially synthesized magnetosomes. These studies were important to cross-check the morphology of magnetosomes, as the formation of magnetosomes was highly sensitive to environmental conditions.
Page(s): 518-523
ISSN: 0975-1009 (Online); 0019-5189 (Print)
Source:IJEB Vol.48(05) [May 2010]

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