نتایج جستجو برای: magnetospirillum gryphiswaldense
تعداد نتایج: 279 فیلتر نتایج به سال:
The microaerophilic magnetotactic bacterium Magnetospirillum gryphiswaldense swims along magnetic field lines using a single flagellum at each cell pole. It is believed that this magnetotactic behavior enables cells to seek optimal oxygen concentration with maximal efficiency. We analyze the trajectories of swimming M. gryphiswaldense cells in external magnetic fields larger than the earth's fi...
Atomic force microscopy (AFM) was used in concert with transmission electron microscopy (TEM) to image magnetotactic bacteria (Magnetospirillum gryphiswaldense MSR-1 and Magnetospirillum magneticum AMB-1), magnetosomes, and purified Mms6 proteins. Mms6 is a protein that is associated with magnetosomes in M. magneticum AMB-1 and is believed to control the synthesis of magnetite (Fe(3)O(4)) withi...
We report the complete genomic sequence of Magnetospirillum gryphiswaldense MSR-1 (DSM 6361), a type strain of the genus Magnetospirillum belonging to the Alphaproteobacteria. Compared to the reported draft sequence, extensive rearrangements and differences were found, indicating high genomic flexibility and "domestication" by accelerated evolution of the strain upon repeated passaging.
To develop an expression system for the magnetotactic bacterium Magnetospirillum gryphiswaldense, we compared gene expression from the widely used Escherichia coli P(lac) promoter with that from known and predicted genuine M. gryphiswaldense promoters. With the use of green fluorescent protein as a reporter, the highest expression level was observed with the magnetosomal P(mamDC) promoter. We d...
background and objectives: the magnetotactic bacterium magnetospirillum gryphiswaldense (msr-1) mineralizes the magnetite (fe3 o4) crystals and organizes a highly ordered intracellular structure, called the magnetosome. iron transport system supports the biogenesis of magnetite. although iron is an essential trace element for many metabolic pathways of the body, increase or decrease in iron wil...
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