Results 1 to 10 of about 580 (114)

Fusion expression of nanobodies specific for the insecticide fipronil on magnetosomes in Magnetospirillum gryphiswaldense MSR-1 [PDF]

Journal of Nanobiotechnology, 2021
Background Magnetic nanoparticles such as magnetosomes modified with antibodies allow a high probability of their interaction with targets of interest.
Sha Wu, Fengfei Ma, Jinxin He, Qing X. Li, Bruce D. Hammock, Jiesheng Tian, Ting Xu   +6 more
doaj   +7 more sources

Evaluation of cell disruption technologies on magnetosome chain length and aggregation behaviour from Magnetospirillum gryphiswaldense MSR-1 [PDF]

Frontiers in Bioengineering and Biotechnology, 2023
Magnetosomes are biologically-derived magnetic nanoparticles (MNPs) naturally produced by magnetotactic bacteria (MTB). Due to their distinctive characteristics, such as narrow size distribution and high biocompatibility, magnetosomes represent an ...
Marta Masó-Martínez, Benjamin Fryer, Dimitri Aubert, Benjamin Peacock, Rebecca Lees, Graham A. Rance, Michael W. Fay, Paul D. Topham, Alfred Fernández-Castané   +8 more
doaj   +4 more sources

Novel Protein Mg2046 Regulates Magnetosome Synthesis in Magnetospirillum gryphiswaldense MSR-1 by Modulating a Proper Redox Status [PDF]

Frontiers in Microbiology, 2019
Magnetotactic bacteria (MTB) are a large, polyphyletic group of aquatic microorganisms capable of absorbing large amounts of iron and synthesizing intercellular nano-scaled nanoparticles termed magnetosomes.
Xu Wang, Xu Wang, Haolan Zheng, Qing Wang, Wei Jiang, Ying Wen, Jiesheng Tian, Jianbo Sun, Ying Li, Jilun Li   +9 more
doaj   +4 more sources

Physiological characteristics of Magnetospirillum gryphiswaldense MSR-1 that control cell growth under high-iron and low-oxygen conditions [PDF]

Scientific Reports, 2017
Magnetosome formation by Magnetospirillum gryphiswaldense MSR-1 is dependent on iron and oxygen levels. We used transcriptome to evaluate transcriptional profiles of magnetic and non-magnetic MSR-1 cells cultured under high-iron and low-iron conditions ...
Qing Wang, Xu Wang, Weijia Zhang, Xianyu Li, Yuan Zhou, Dan Li, Yinjia Wang, Jiesheng Tian, Wei Jiang, Ziding Zhang, Youliang Peng, Lei Wang, Ying Li, Jilun Li   +13 more
doaj   +5 more sources

Influence of a 7 T magnetic field on growth, biomineralization, and denitrification metabolism in Magnetospirillum gryphiswaldense MSR-1 [PDF]

Applied and Environmental Microbiology
High magnetic fields represent an extreme physical condition with growing applications in advanced materials and magnetic resonance technologies.
Jing Zhang, Juan Wan, Chengyin Shen, Yaoyao Zhang, Jiarong Wang, Hengjia Wan, Tongwei Zhang, Kun Ma, Wei Lin, Junfeng Wang, Yongxin Pan   +10 more
doaj   +4 more sources

A Method for Producing Highly Pure Magnetosomes in Large Quantity for Medical Applications Using Magnetospirillum gryphiswaldense MSR-1 Magnetotactic Bacteria Amplified in Minimal Growth Media [PDF]

Frontiers in Bioengineering and Biotechnology, 2020
We report the synthesis in large quantity of highly pure magnetosomes for medical applications. For that, magnetosomes are produced by MSR-1 Magnetospirillum gryphiswaldense magnetotactic bacteria using minimal growth media devoid of uncharacterized and ...
Clément Berny, Clément Berny, Raphael Le Fèvre, François Guyot, François Guyot, Karine Blondeau, Christine Guizonne, Emilie Rousseau, Nicolas Bayan, Edouard Alphandéry, Edouard Alphandéry   +10 more
doaj   +2 more sources

Impact of oxidative stress on Magnetospirillum gryphiswaldense MSR-1 physiology and magnetosome biomineralization at the single-cell level [PDF]

mBio
Magnetotactic bacteria, such as Magnetospirillum gryphiswaldense MSR-1, naturally produce magnetosomes—intracellular magnetic nanoparticles that enable navigation within geomagnetic fields.
Marta Masó-Martínez, Julika Radecke, Craig MacGregor-Chatwin, Paul D. Topham, Alfred Fernández-Castané   +4 more
doaj   +2 more sources

Incorporation of Tb and Gd improves the diagnostic functionality of magnetotactic bacteria [PDF]

Materials Today Bio, 2023
Magnetotactic bacteria are envisaged as potential theranostic agents. Their internal magnetic compass, chemical environment specificity and natural motility enable these microorganisms to behave as nanorobots, as they can be tracked and guided towards ...
Lucía Gandarias, Elizabeth M. Jefremovas, David Gandia, Lourdes Marcano, Virginia Martínez-Martínez, Pedro Ramos-Cabrer, Daniel M. Chevrier, Sergio Valencia, Luis Fernández Barquín, M. Luisa Fdez-Gubieda, Javier Alonso, Ana García-Prieto, Alicia Muela   +12 more
doaj   +2 more sources

Fur in Magnetospirillum gryphiswaldense influences magnetosomes formation and directly regulates the genes involved in iron and oxygen metabolism. [PDF]

PLoS ONE, 2012
Magnetospirillum gryphiswaldense strain MSR-1 has the unique capability of taking up large amounts of iron and synthesizing magnetosomes (intracellular magnetic particles composed of Fe(3)O(4)).
Lei Qi, Jian Li, WeiJia Zhang, Jiangning Liu, Chengbo Rong, Ying Li, Longfei Wu   +6 more
doaj   +1 more source

Progress in affinity ligand-functionalized bacterial magnetosome nanoparticles for bio-immunomagnetic separation of HBsAg protein

PLoS ONE, 2022
Efficient Bio-immunomagnetic separation (BIMS) of recombinant hepatitis B surface antigen (rHBsAg) with high binding capacity was studied using affinity ligand immobilized bacterial magnetosome nanoparticles (Magnetospirillum gryphiswaldense strain MSR-1
Leila Hatami Giklou Jajan, Seyed Nezamedin Hosseini, Mohsen Abolhassani, Masoud Ghorbani   +3 more
doaj   +2 more sources