Formation of Magnetite by Bacteria and Its Application

Overview

Journal J R Soc Interface

Specialties Biology
Biomedical Engineering
Biophysics

Date 2008 Jun 19

PMID 18559314

Citations 37

Authors

Atsushi Arakaki

Hidekazu Nakazawa

Michiko Nemoto

Tetsushi Mori

Tadashi Matsunaga

Affiliations

Soon will be listed here.

Abstract

Magnetic particles offer high technological potential since they can be conveniently collected with an external magnetic field. Magnetotactic bacteria synthesize bacterial magnetic particles (BacMPs) with well-controlled size and morphology. BacMPs are individually covered with thin organic membrane, which confers high and even dispersion in aqueous solutions compared with artificial magnetites, making them ideal biotechnological materials. Recent molecular studies including genome sequence, mutagenesis, gene expression and proteome analyses indicated a number of genes and proteins which play important roles for BacMP biomineralization. Some of the genes and proteins identified from these studies have allowed us to express functional proteins efficiently onto BacMPs, through genetic engineering, permitting the preservation of the protein activity, leading to a simple preparation of functional protein-magnetic particle complexes. They were applicable to high-sensitivity immunoassay, drug screening and cell separation. Furthermore, fully automated single nucleotide polymorphism discrimination and DNA recovery systems have been developed to use these functionalized BacMPs. The nano-sized fine magnetic particles offer vast potential in new nano-techniques.

Citing Articles

Poly(acrylic acid-co-acrylamide)/Polyacrylamide pIPNs/Magnetite Composite Hydrogels: Synthesis and Characterization.

Simeonov M, Apostolov A, Georgieva M, Tzankov D, Vassileva E Gels. 2023; 9(5).

PMID: 37232957 PMC: 10217237. DOI: 10.3390/gels9050365.

Gradient Magnetic Field Accelerates Division of Nissle 1917.

Gorobets S, Gorobets O, Sharai I, Polyakova T, Zablotskii V Cells. 2023; 12(2).

PMID: 36672251 PMC: 9857180. DOI: 10.3390/cells12020315.

Exploring Microbial-Based Green Nanobiotechnology for Wastewater Remediation: A Sustainable Strategy.

Malik S, Dhasmana A, Preetam S, Mishra Y, Chaudhary V, Bera S Nanomaterials (Basel). 2022; 12(23).

PMID: 36500810 PMC: 9736967. DOI: 10.3390/nano12234187.

Biosensors and Drug Delivery in Oncotheranostics Using Inorganic Synthetic and Biogenic Magnetic Nanoparticles.

Zimina T, Sitkov N, Gareev K, Fedorov V, Grouzdev D, Koziaeva V Biosensors (Basel). 2022; 12(10).

PMID: 36290927 PMC: 9599632. DOI: 10.3390/bios12100789.

Biomanufacturing Biotinylated Magnetic Nanomaterial via Construction and Fermentation of Genetically Engineered Magnetotactic Bacteria.

Xu J, Ma S, Zheng H, Pang B, Li S, Li F Bioengineering (Basel). 2022; 9(8).

PMID: 36004881 PMC: 9404834. DOI: 10.3390/bioengineering9080356.

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