Mycobacterium smegmatis genomic characteristics associated with its saprophyte lifestyle
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چکیده
منابع مشابه
MICROBIAL TRANSFORMATION OF CHOLESTEROL BY MYCOBACTERIUM SMEGMATIS
Mycobacterium smegmatis PTCC 1307 (CIP 73.26) was used as a microbial agent to produce androsta-1,4-diene-3,17-dione (ADD) and androst-4-ene-3,17-dione, two useful precursors in the synthesis of steroid drugs. The side chain of cholesterol, as the substrate, was selectively cleaved in the presence of five enzyme inhibitors. An intermediate structure with intact side chain, cholest-4-ene-3-one, ...
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We present a comprehensive analysis of carbohydrate uptake systems of the soil bacterium Mycobacterium smegmatis and the human pathogen Mycobacterium tuberculosis. Our results show that M. smegmatis has 28 putative carbohydrate transporters. The majority of sugar transport systems (19/28) in M. smegmatis belong to the ATP-binding cassette (ABC) transporter family. In contrast to previous report...
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The extracellular siderophore from Mycobacterium smegmatis, exochelin MS, was isolated from iron-deficiently grown cultures and purified to > 98 % by a combination of ion-exchange chromatography and h.p.l.c. The material is unextractable into organic solvents, is basic (pI = 9.3-9.5), has a Amax. at 420 nm and a probable K. for Fe3+ of between 1025 and 1030. Its structure has been determined by...
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In early stationary phase of growth, Mycobacterium smegmatis cultures accumulate amylooligosaccharides (alpha 1 leads to 4-glucooligosaccharides) up to the undecasaccharide. Although M. smegmatis also makes an acylated polymethylpolysaccharide that is predominantly and alpha 1 leads to 4-glucan, we conclude that these oligosaccharides are precursors of glycogen rather than lopopolysaccharide.
متن کاملCrystal structures of Mycobacterium smegmatis RecA and its nucleotide complexes.
The crystal structures of Mycobacterium smegmatis RecA (RecA(Ms)) and its complexes with ADP, ATPgammaS, and dATP show that RecA(Ms) has an expanded binding site like that in Mycobacterium tuberculosis RecA, although there are small differences between the proteins in their modes of nucleotide binding. Nucleotide binding is invariably accompanied by the movement of Gln 196, which appears to pro...
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ژورنال
عنوان ژورنال: Journal of Cellular Biochemistry
سال: 2012
ISSN: 0730-2312
DOI: 10.1002/jcb.24199