Incorporation of Tb and Gd improves the diagnostic functionality of magnetotactic bacteria

Autor: 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

Publikováno v: Materials Today Bio, Vol 20, Iss , Pp 100680- (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 toward

Externí odkaz: https://doaj.org/article/3d5ef64221ac4009940b44723445f919

Synchrotron‐Based Nano‐X‐Ray Absorption Near‐Edge Structure Revealing Intracellular Heterogeneity of Iron Species in Magnetotactic Bacteria

Autor: Daniel M. Chevrier, Elisa Cerdá-Doñate, Yeseul Park, Fernando Cacho-Nerin, Miguel Gomez‐Gonzalez, René Uebe, Damien Faivre

Publikováno v: Small Science, Vol 2, Iss 3, Pp n/a-n/a (2022)

Magnetotactic bacteria (MTB) sequester iron from the environment to biomineralize magnetite or greigite nanoparticles in magnetosome organelles, though the necessity of intracellular iron storage for the formation process is still in question. Unders

Externí odkaz: https://doaj.org/article/21f5b0edc7454d2caed907bfd275cdc6

Collective magnetotaxis of microbial holobionts is optimized by the three-dimensional organization and magnetic properties of ectosymbionts

Autor: Daniel M. Chevrier, Amélie Juhin, Nicolas Menguy, Romain Bolzoni, Paul E. D. Soto-Rodriguez, Mila Kojadinovic-Sirinelli, Greig A. Paterson, Rachid Belkhou, Wyn Williams, Fériel Skouri-Panet, Artemis Kosta, Hugo Le Guenno, Eva Pereiro, Damien Faivre, Karim Benzerara, Caroline L. Monteil, Christopher T. Lefevre

Publikováno v: Proceedings of the National Academy of Sciences of the United States of America
Proceedings of the National Academy of Sciences of the United States of America, 2023, 120 (10), pp.e2216975120. ⟨10.1073/pnas.2216975120⟩
Chevrier, D M, Juhin, A, Menguy, N, Bolzoni, R, Soto-Rodriguez, P E D, Kojadinovic-Sirinelli, M, Paterson, G A, Belkhou, R, Williams, W, Skouri-Panet, F, Kosta, A, Le guenno, H, Pereiro, E, Faivre, D, Benzerara, K, Monteil, C L & Lefevre, C T 2023, ' Collective magnetotaxis of microbial holobionts is optimized by the three-dimensional organization and magnetic properties of ectosymbionts ', Proceedings of the National Academy of Sciences (PNAS), vol. 120, no. 10, e2216975120 . https://doi.org/10.1073/pnas.2216975120

Altres ajuts: D.M.C. and D.F. acknowledge awarded ALBA synchrotron beamtimes (Proposals 2018022677 and 2019023346), Mistral beamline staff for assistance in cryo-SXT experiments and CALIPSOplus funding for Proposal 2019023346. We acknowledge Soleil S

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e563429a964c152e394446d3d5185c00
https://ddd.uab.cat/record/273038

An open-source automated magnetic optical density meter for analysis of suspensions of magnetic cells and particles

Autor: Marcel K. Welleweerd, Tijmen Hageman, Marc Pichel, Dave van As, Hans Keizer, Jordi Hendrix, Mina M. Micheal, Islam S. M. Khalil, Alveena Mir, Nuriye Korkmaz, Robbert Kräwinkel, Daniel M. Chevrier, Damien Faivre, Alfred Fernandez-Castane, Daniel Pfeiffer, Leon Abelmann

Publikováno v: Review of Scientific Instruments
Review of Scientific Instruments, 2022, 93 (9), pp.094101. ⟨10.1063/5.0098008⟩
Review of scientific instruments, 93(9):094101. American Institute of Physics

International audience; We present a spectrophotometer (optical density meter) combined with electromagnets dedicated to the analysis of suspensions of magnetotactic bacteria. The instrument can also be applied to suspensions of other magnetic cells

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::09dd4320cbc5f4c4053ddd705f5c9b63
http://www.scopus.com/inward/record.url?scp=85138306446&partnerID=8YFLogxK

Interactions between Ultrastable Na4Ag44(SR)30 Nanoclusters and Coordinating Solvents: Uncovering the Atomic-Scale Mechanism

Autor: Bo Li, De-en Jiang, Terry P. Bigioni, Brian E. Conn, Daniel M. Chevrier, Peng Zhang, Amares Chatt

Publikováno v: ACS Nano. 14:8433-8441

Recently, silver nanoclusters have garnered considerable attention after the high-yield synthesis and crystallization of a thiolate-protected silver nanocluster, Na4Ag44(SR)30 (SR, protecting thiolate ligand). One intriguing feature of Na4Ag44(SR)30

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8618ade07bdb29aa9024d4fbb31e1893
https://doi.org/10.1021/acsnano.0c02615