Magnetotactic bacteria (MTB) are interesting for their ability to produce size-narrowed and chemically pure magnetic nanoparticles, which are the promising new nanomaterial useful for a number of biotech applications – drug delivery, cell sorting, DNA/RNA extraction, etc. The only difficulty hampering the practical recruitment of bacterial magnetosomes is the low level of their production by bacteria. The ways to get over this problem are discussed in the paper.

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