Mycobacterium smegmatis. Its Characters and Identification
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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, ...
متن کاملCharacterization of the mycobacterial chromosome segregation protein ParB and identification of its target in Mycobacterium smegmatis.
Bacterial chromosomes (though not Escherichia coli and some other gamma-proteobacterial chromosomes) contain parS sequences and parAB genes encoding partitioning proteins, i.e. ParA (ATPase) and ParB (DNA-binding proteins) that are components of the segregation machinery. Here, mycobacterial parABS elements were characterized for the first time. parAB genes are not essential in Mycobacterium sm...
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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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...
متن کاملAmylooligosaccharides from Mycobacterium smegmatis.
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.
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ژورنال
عنوان ژورنال: Nippon Saikingaku Zasshi
سال: 1966
ISSN: 1882-4110,0021-4930
DOI: 10.3412/jsb.21.666