Purification and Characterization of Two Aminopeptidases Produced by Brevibacterium linens
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چکیده
منابع مشابه
Production of S-Methylthioacetate by Brevibacterium linens.
Volatile sulfur compounds production by eight strains of Brevibacterium linens isolated from cheeses was demonstrated: methanethiol, dimethyldisulfide, and 2,3,4-trithiapentane. Four of these strains also produced S-methylthioacetate, an important aroma component of smear-coated cheeses. It is the first demonstrated microbiological production of a thioester.
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Whole metabolizing Brevibacterium linens cells were used to study the transport of aromatic amino acids. Kinetic results followed the Michaelis-Menten equation with apparent Km values for phenylalanine, tyrosine, and tryptophan of 24, 3.5, and 1.8 microM. Transport of these amino acids was optimum at pH 7.5 and 25 degrees C for phenylalanine and pH 8.0 and 35 degrees C for tyrosine and tryptoph...
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Milk clotting enzyme (M CE) produced by: Rhizomucor miehei was purified and characterized.The enzyme was purified 220.29-fold with specific activity about 14444.2 U/mg protein byultrafiltration, ammonium sulfate fractionation, Sephacryl S-300 chromatography. The maximumenzyme activity was at 65°C.The milk clotting activity was decreased steadily as pH is increased and indicated maximumactivity ...
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Cloning and expression of the L-phenylalanine dehydrogenase gene, from B. sphaericus in E. coli were done. The gene was cloned in the vector pET16b and transformed into E. coli BL21 (DE3). The functional form of the L-phenylalanine dehydrogenase enzyme was purified by affinity purification techniques, taking advantage of the ability of this enzyme to bind to the nucleotide site affinity dye, Re...
متن کاملComplete Genome Sequence of Brevibacterium linens SMQ-1335
Brevibacterium linens is one of the main bacteria found in the smear of surface-ripened cheeses. The genome of the industrial strain SMQ-1335 was sequenced using PacBio. It has 4,209,935 bp, a 62.6% G+C content, 3,848 open reading frames, and 61 structural RNAs. A new type I restriction-modification system was identified.
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ژورنال
عنوان ژورنال: Microbiology
سال: 1989
ISSN: 1350-0872,1465-2080
DOI: 10.1099/00221287-135-7-2027