magnetosomes

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• Magnétosomes et bactéries magnétotactiques — Les bactéries magnétotactiques (BMT) sont des micro organismes, découverts en 1970 par R. P. Blakemore, capables de se déplacer le long de lignes de champ magnétique. Elles contiennent des organites, les magnétosomes, qui sont à l origine de… …   Wikipédia en Français

• magnetosomes — Magnetite particles in magnetotactic bacteria that are tiny magnets and allow the bacteria to orient themselves in magnetic fields …   Dictionary of microbiology

• Magnetosome — chains are membranous prokaryotic organelles present in magnetotactic bacteria. They contain 15 to 20 magnetite crystals that together act like a compass needle to orient magnetotactic bacteria in geomagnetic fields, thereby simplifying their… …   Wikipedia

• Magnetotactic bacteria — (or MTB) are a polyphyletic group of bacteria discovered by Richard P. Blakemore in 1975, that orient along the magnetic field lines of Earth s magnetic field. To perform this task, these bacteria have organelles called magnetosomes that contain… …   Wikipedia

• Organelle — A typical animal cell. Within the cytoplasm, the major organelles and cellular structures include: (1) nucleolus (2) nucleus (3) ribosome (4) vesicle (5) rough endoplasmic reticulum (6) Golgi apparatus …   Wikipedia

• Magnetospirillum — magnetotacticum strain MS 1 Scientific classification Kingdom: Bacteria Phylum: Proteobacteria Class: Alpha Proteobacteria …   Wikipedia

• Magnetoception — (or magnetoreception) is the ability to detect a magnetic field to perceive direction, altitude or location. This sense plays a role in the navigational abilities of several animal species and has been postulated as a method for animals to… …   Wikipedia

• Magnetotaxis — Logically, magnetotaxis describes an ability to sense a magnetic field and coordinate movement in response. It was applied to the behavior of certain motile, aquatic bacteria in 1975 by R. P. Blakemore. However, it is now known that these… …   Wikipedia

• Bacterial cell structure — Bacteria, despite their apparent simplicity, contain a well developed cell structure which is responsible for many of their unique biological properties. Many structural features are unique to bacteria and are not found among archaea or… …   Wikipedia

• Subcellular localization — The cells of eukaryotic organisms are elaborately subdivided into functionally distinct membrane bound compartments. Some major constituents of eukaryotic cells are: extracellular space, cytoplasm, nucleus, mitochondria, Golgi apparatus,… …   Wikipedia

• Eisen(II,III)oxid — Magnetit Magnetit aus Südtirol, Italien Chemische Formel Fe3O4 genauer: FeII(FeIII)2O4 Mineralklasse Oxide Metall:Sauerstoff = 3:4 und vergleichbare mit ausschließlich mittelgroßen Kationen 4.BB.05 (9. Aufl.) ; IV/B.2 20 (8 …   Deutsch Wikipedia