Heilongjiang Provincial Key Laboratory of Environmental Microbiology and Recycling of Argo-Waste in Cold Region, College of Life Science and Technology, Heilongjiang Bayi Agricultural University, Daqing, 163319, PR China.
Heilongjiang Provincial Key Laboratory of Environmental Microbiology and Recycling of Argo-Waste in Cold Region, College of Life Science and Technology, Heilongjiang Bayi Agricultural University, Daqing, 163319, PR China.
Microbiol Res. 2017 Oct;203:19-28. doi: 10.1016/j.micres.2017.06.005. Epub 2017 Jun 20.
Bacterial magnetosome, synthetized by magnetosome-producing microorganisms including magnetotactic bacteria (MTB) and some non-magnetotactic bacteria (Non-MTB), is a new type of material comprising magnetic nanocrystals surrounded by a phospholipid bilayer. Because of the special properties such as single magnetic domain, excellent biocompatibility and surface modification, bacterial magnetosome has become an increasingly attractive for researchers in biology, medicine, paleomagnetism, geology and environmental science. This review briefly describes the general feature of magnetosome-producing microorganisms. This article also highlights recent advances in the understanding of the biochemical and magnetic characteristics of bacterial magnetosome, as well as the magnetosome formation mechanism including iron ions uptake, magnetosome membrane formation, biomineralization and magnetosome chain assembly. Finally, this review presents the potential applications of bacterial magnetosome in biomedicine, wastewater treatment, and the significance of mineralization of magnetosome in biology and geology.
细菌磁小体是由磁小体产生微生物（包括趋磁细菌（MTB）和一些非趋磁细菌（Non-MTB））合成的一种新型材料，由被磷脂双层包围的磁性纳米晶体组成。由于其具有单磁畴、良好的生物相容性和表面修饰等特殊性质，细菌磁小体已成为生物学、医学、古地磁学、地质学和环境科学等领域研究人员越来越感兴趣的对象。本文简要描述了产磁小体微生物的一般特征。本文还重点介绍了近年来对细菌磁小体生化和磁性特性的理解，以及包括铁离子摄取、磁小体膜形成、生物矿化和磁小体链组装在内的磁小体形成机制的最新进展。最后，本文介绍了细菌磁小体在生物医学、废水处理中的潜在应用，以及磁小体矿化在生物学和地质学中的意义。
