R. P. Tiwari
Author pages are created from data sourced from our academic publisher partnerships and public sources.
Production of an Antifungal Chitinase from Enterobacter sp. NRG4 and its Application in Protoplast Production
SummaryIn this study flake chitin, crab shell chitin, mushroom stalk, fungal cell wall, wheat bran and rice bran were used as substrate for chitinase production by Enterobacter sp. NRG4 under… Expand
Chitinase from Enterobacter sp. NRG4: Its purification, characterization and reaction pattern
Financial support: Senior Research Fellowship from Council of Scientific and Industrial Research (CSIR), Government of India for Neetu Dahiya.
Chitinase Production in Solid-State Fermentation by Enterobacter sp. NRG4 Using Statistical Experimental Design
The optimization of nutrient levels for chitinase production by Enterobacter sp. NRG4 in solid-state fermentation conditions (SSF) was carried out using response surface methodology (RSM) based on… Expand
Properties of a thermostable extracellular lipase from Bacillus megaterium AKG-1.
- Anurag Sekhon, N. Dahiya, R. P. Tiwari, G. Hoondal
- Chemistry, Medicine
- Journal of basic microbiology
- 1 April 2005
An extracellular lipase isolated from Bacillus megaterium AKG-1 had an optimum activity at 55 degrees C/pH 7.0. It retained 100% activity at 50 degrees C for 30 min with a half life of 30 min at 70… Expand
Multiple forms of glutamine synthetase in Bacillus brevis AG 4.
Glutamine synthetase in Bacillus brevis AG 4, a Gram-positive spore forming bacteria, has been found to exist in multiple molecular forms. It was purified to electrophoretic homogeneity by… Expand
Resistance to metal ions and antibiotics in Escherichia coli isolated from foodstuffs.
Of 39 strains of Escherichia coli isolated from foodstuffs, all were resistant to at least one of a panel of four metallic ions tested. The most common resistance (94.9%) was against cadmium,… Expand
Lactobacillus rhamnosus GG as an Effective Probiotic for Murine Giardiasis
The gut microflora is an important constituent in the intestinal mucosal barrier and has been introduced as the concept of probiotic therapy that beneficially affects the host by improving its… Expand
Effects of aflatoxin on the immune system of the chick
- J. S. Virdi, R. P. Tiwari, +4 authors D. V. Vadehra
- Biology, Medicine
- Journal of applied toxicology : JAT
- 1 August 1989
A decreased antibody response to injected sheep red blood cells and weight losses to the extent of 25–38% were observed in the bursa Fabricii and thymus in chicks fed an aflatoxin diet (10% w/w) for… Expand
Evaluation of ammonium hydroxide as preservative for ground meat
SummaryAmmonium hydroxide when added at 0.134 to 0.67m to ground-meat, decreased the total number of aerobic bacteria and, to a lesser extent, Gram-negative bacteria at 37°C, 4°C and −20°C. The plate… Expand
EFFECT OF SEASON ON FREQUENCY OF EJACULATE DISCARD IN HF CROSSBRED BULLS
- Shrivatava Noopur, Manoj Kumar Awasthi, A K Nair, Ram Prakash Tiwari, M. R. Poyam, Girish Kumar Mishra
- 7 December 2014
The discard frequency of semen ejaculate in six HF crossbred bulls was studied for five calendar years. Data were grouped based on season viz. summer (March to June), rainy (July to October) and… Expand