نتایج جستجو برای: cellulomonas
تعداد نتایج: 258 فیلتر نتایج به سال:
The study aimed to evaluate the effect of Thepax and BioBoost as food additives on microorganisms in intestines fish. From March 4 October 22, total number common carp was 900 fish with an average weight 163.41 ±10.16 g a density 100 fish/cage; three replicates were used for each treatment. fed times daily. included T1(0%additive), T2(1g/kgThepax)and T3 (1 g/kgBioBoost). highest final value is ...
An endo-beta-1,4-glucanase (CenA) and an exo-beta-1,4-glucanase (Cex) were prepared from Escherichia coli expressing recombinant DNA of the cellulolytic bacterium Cellulomonas fimi. Purification was facilitated by the high affinities of these enzymes for cellulose. An extracellular C. fimi protease cleaved both enzymes in vivo in a highly specific manner. The affinity of the parent enzyme for c...
Nanofibrillar cellulose is a very promising innovation with diverse potential applications including high quality paper, coatings, and drug delivery carriers. The production of nanofibrillar cellulose on an industrial scale may lead to increased exposure to nanofibrillar cellulose both in the working environment and the general environment. Assessment of the potential health effects following e...
The interaction of the N-terminal cellulose-binding domain, CBDN1, from Cellulomonas fimi beta-1,4-glucanase CenC with calcium was investigated using NMR spectroscopy and calorimetry. CBDN1 binds a single calcium ion with an equilibrium association constant of approximately 10(5) M-1 at 35 degreesC and pH 6.0. Binding is exothermic (-42 +/- 2 kJ mol-1) under these conditions and is accompanied ...
NMR studies of the internal family 2b carbohydrate binding module (CBM2b-1) of Cellulomonas fimi xylanase 11A have identified six polar residues and two aromatic residues that interact with its target ligand, xylan. To investigate the importance of the various interactions, free energy and enthalpy changes have been measured for the binding of xylan to native and mutant forms of CBM2b-1. The da...
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