Magnetotactic Bacteria

Introduction

Electron micrograph of Magnetospirillum gryphiswaldense cells containing chains of magnetite crystals (top) and magnified section of crystal chain (bottom). By Caulobacter subvibrioides (Diskussion) GFDL (http://www.gnu.org/copyleft/fdl.html)], via Wikimedia Commons

Magnetospirillum gryphiswaldense (also referred to as MSR-1) is a gram negative magnetotactic bacteria that is found in shallow fresh water and sediment. They are characterized by a spirillial morphology with flagella at each end of the cell. They are able to orient themselves based on Earth’s magnetic field (magnetotaxis) due to special organelles called magnetosomes.

Other examples:
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Subscript: H₂O
Superscript: Fe³⁺

Magnetotactic Bacteria

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Magnetosome Formation

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Potential Uses

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Conclusion

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References

[1] Bazylinski, D. A., & Schübbe, S. (2007). Controlled biomineralization by and applications of magnetotactic bacteria. Advances in applied microbiology, 62, 21-62.