Results 1 to 10 of about 4,673 (132)

A Two‐Protein Chemoreceptor Complex Regulates Oxygen Thresholds in Bacterial Magneto‐Aerotaxis [PDF]

Advanced Science
Bacteria in changing environments rely on motility and sensory mechanisms to locate optimal conditions. This process depends on specialized chemoreceptors to sense environmental stimuli.
Julian Herz, Carina Weigel, Leonie Scheder, Raz Zarivach, Itay Algov, Yonatan Chemla, Felix Popp, Cornelius Riese, Mohammad A. Charsooghi, Lital Alfonta, Michael M. Meijler, Dirk Schüler, Damien Faivre, Daniel Pfeiffer   +13 more
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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
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Magnetospirillum magneticum triggers apoptotic pathways in human breast cancer cells [PDF]

Cancer & Metabolism, 2023
The use of bacteria in cancer immunotherapy has the potential to bypass many shortcomings of conventional treatments. The ability of anaerobic bacteria to preferentially accumulate and replicate in hypoxic regions of solid tumors, as a consequence of ...
Stefano Menghini, Matej Vizovisek, Jonathas Enders, Simone Schuerle   +3 more
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Orthogonal in vivo and in vitro membrane engineering enables human-like lipid remodeling of bacterial magnetosomes for functional TrkA display [PDF]

Applied and Environmental Microbiology
The magnetotactic bacterium Magnetospirillum magneticum produces biogenic magnetic nanoparticles called magnetosomes, each comprising a magnetite core surrounded by a lipid bilayer.
Ryoto Tomoe, Shunya Waki, Keita Morimoto, Takaho Ogaki, Tsuyoshi Tanaka, Tomoko Yoshino   +5 more
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Set-up of a pharmaceutical cell bank of Magnetospirillum gryphiswaldense MSR1 magnetotactic bacteria producing highly pure magnetosomes [PDF]

Microbial Cell Factories
We report the successful fabrication of a pharmaceutical cellular bank (PCB) containing magnetotactic bacteria (MTB), which belong to the Magnetospirillum gryphiswaldense MSR1 species.
Théo Chades, Raphaël Le Fèvre, Imène Chebbi, Karine Blondeau, François Guyot, Edouard Alphandéry   +5 more
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Physiological magnetic field strengths help magnetotactic bacteria navigate in simulated sediments [PDF]

eLife
Bacterial motility is typically studied in bulk solution, while their natural habitats often are complex environments. Here, we produced microfluidic channels that contained sediment-mimicking obstacles to study swimming of magnetotactic bacteria in a ...
Agnese Codutti, Mohammad A Charsooghi, Konrad Marx, Elisa Cerdá-Doñate, Omar Muñoz, Paul Zaslansky, Vitali Telezki, Tom Robinson, Damien Faivre, Stefan Klumpp   +9 more
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Detecting life by behavior, the overlooked sensitivity of behavioral assays [PDF]

Scientific Reports
Detecting life has driven research and exploration for centuries, but recent attempts to compile and generate a framework that summarizes life features, aimed to develop strategies for life detection missions beyond planet Earth, have disregarded a key ...
Daniela Zinßmeister, Moshe Leibovitch, Eviatar Natan, Sondra Turjeman, Omry Koren, Michael Travisano, Yoni Vortman, Beatriz Baselga-Cervera   +7 more
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Functional expression of foreign magnetosome genes in the alphaproteobacterium Magnetospirillum gryphiswaldense

mBio, 2023
Magnetosomes of magnetotactic bacteria (MTB) consist of structurally perfect, nano-sized magnetic crystals enclosed within vesicles of a proteo-lipid membrane.
Ram Prasad Awal, Christopher T. Lefevre, Dirk Schüler   +2 more
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McaA and McaB control the dynamic positioning of a bacterial magnetic organelle

Nature Communications, 2022
Magnetotactic bacteria use intracellular chains of ferrimagnetic nanocrystals, produced within magnetosome organelles, to align and navigate along the geomagnetic field. Here, Wan et al.
Juan Wan, Caroline L. Monteil, Azuma Taoka, Gabriel Ernie, Kieop Park, Matthieu Amor, Elias Taylor-Cornejo, Christopher T. Lefevre, Arash Komeili   +8 more
doaj   +1 more source

Optimization of Growth Conditions for Magnetospirillum magnetotacticum and Green Synthesis of Metallic Nanoparticles

Applied Sciences, 2023
Nanotechnology is especially useful in biotechnological and biomedical applications as nanomaterials have unique physicochemical properties. Current physical and chemical techniques used for the production of nanoparticles have various disadvantages that
Rebekah Eleasa Sancho, Anushka Govindsamy, Karen Pillay   +2 more
doaj   +1 more source