نتایج جستجو برای: cellulose and protease

تعداد نتایج: 16842779  

Journal: :Indian journal of experimental biology 2013
Devaraj Illakkiam Nishanth Lipton Anuj Paramasivan Ponraj Manoharan Shankar Jeyaprakash Rajendhran Paramasamy Gunasekaran

A new antagonistic bacterial strain PGPR2 was isolated from the mungbean rhizosphere and documented for the production of hydrolytic enzymes with antifungal activity. Based on the phylogenetic analysis of the 16S rRNA gene sequence and phenotyping, this strain was identified as Pseudomonas aeruginosa. Maximum protease activity (235 U/mL) was obtained at 24 h of fermentation. The protease was pu...

Journal: :The Journal of biological chemistry 1988
N R Gilkes R A Warren R C Miller D G Kilburn

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...

Penicilliurn expamum grown in a medium with rice husk as a carbon source produced an extracellular protease. The protease enzyme was isolated from culture broth by fractionation with acetone and column chromatography on Sephadex G- 100 and DEAE A-50. The protease enzyme was purified about 17.47 fold, with a recovery of 14%. The purified protease was homogenous on SDS polyacrylarnide disc ge...

Background: Alkaline proteases is the important group of enzymes having numerous industrial applications including dairy food formulations. Objectives: The current study deals with the purification and characterization of an alkaline serine protease produced by Geotrichum candidum QAUGC01, isolated from indigenous fermented milk product, Dahi.<br...

2009
J. V. Edwards Nicolette Prevost Brian Condon Robert Diegelmann Robert E. Lee

Recent developments in cellulose wound dressings targeted to different stages of wound healing have been based on structural and charge modifications that function to modulate events in the complex inflammatory and hemostatic phases of wound healing. Hemostasis and inflammation comprise two overlapping but distinct phases of wound healing wherein different dressing material properties are requi...

Corncob is one of the industrial waste has cellulose content of 39.1 wt%, which makes it has high potential to be a raw material in the production of cellulose nanocrystal. Corncob was delignificated with 3.5 wt% HNO3 and NaNO2 10 mg, precipitated process with 17.5 wt% NaOH, and bleached with 10 wt% H2O2. Cellulose nanocrystal was obtained by hydrolysis using 45 wt% H2SO4. Corncob and cellulose...

Journal: :molecular biology research communications 2012
mahnaz shahbazi hamid reza karbalaei-heidari

kinetics of bacterial growth and protease production were monitored on a novel isolated moderately halophilic bacterium, salinivibrio sp. strain ms-7, and maximum growth and protease activity was achieved after 48 hours at 30°c and 180 rpm. to determine the effect of various carbon sources on protease production, glucose, lactose, sucrose and maltose were investigated and  maximum production of...

2016
Wajdi Thebti Yosra Riahi Omrane Belhadj

A new thermostable, haloalkaline, solvent stable SDS-induced serine protease was purified and characterized from a thermophilic Geobacillus toebii LBT 77 newly isolated from a Tunisian hot spring. This study reveals the potential of the protease from Geobacillus toebii LBT 77 as an additive to detergent with spectacular proprieties described for the first time. The protease was purified to homo...

2010
Smriti Gaur Sarita Agrahari Neeraj Wadhwa

An extracellular protease was purified from Pseudomonas thermaerum GW1 a new strain identified by morphological, biochemical and 16S rDNA sequencing. It was isolated from soil of Poultry waste site at Ghazipur near Ghaziabad, Delhi. The strain produces extra cellular protease in the culture media that was maintained at 37°C, 140 rpm. The media was harvested for protease after 48 hrs of incubati...

2011
Indranil Chanda Sanat Kumar Basu Sadhan Kumar Dutta Rekha Chanda Das

Purpose: To isolate, purify and characterize protease from the latex of the plant. Methods: Protease was isolated from the latex of Plumeria rubra Linn using acetone precipitation method and purified by a sequence of DEAE cellulose column chromatography, followed by two successive column purification in Sephadex G-50 and Sephadex G-200. The molecular weight of the purified protease was determin...

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