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Magnetosomes are magnetic nanoparticles biosynthesized by magnetotactic bacteria. Due to a genetically strictly controlled biomineralization process, the ensuing magnetosomes have been envisioned as agents for biomedical and clinical applications. In the present work, different stability parameters of magnetosomes isolated from Magnetospirillum gryphiswaldense upon storage in suspension (HEPES buffer,...
Their unique material characteristics, i.e. high crystallinity, strong magnetization, uniform shape and size, and the ability to engineer the enveloping membrane in vivo make bacterial magnetosomes highly interesting for many biomedical and biotechnological applications. In this study, a versatile toolkit is developed for the multifunctionalization of magnetic nanoparticles in the magnetotactic bacterium...
Oligotropha carboxidovorans is characterized by the aerobic chemolithoautotrophic utilization of CO. CO oxidation by CO dehydrogenase proceeds at a unique bimetallic [CuSMoO2] cluster which matures posttranslationally while integrated into the completely folded apoenzyme. Kanamycin insertional mutants in coxE, coxF and coxG were characterized with respect to growth, expression of CO dehydrogenase,...
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