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Author: Shekhar C Bisht
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Total Articles: 10 |
Total Views: 15586
City: Almora |
State: Uttarakhand
About Me: I am a Doctoral student and my research area is Microbial biotechnology viz. Use of psycrotrophic plant growth-promoting rhizobacteria for crop improvement and abiotic stress tolerance |
Articles by Shekhar C Bisht:
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Enzymes Produced by Bacillus Thuringiensis
The main biocontrol activity of B. thuringiensis is due to its entomopathogenic potential, different strains in this species have been shown to produce many potential enzymes that could be of great interest in the biocontrol of phytopathogenic bacteria. Applications of these enzymes could lead to decrease the use of chemical pesticides which have usually harmful impact on the environment.
- Category:
Biology
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Probiotics in Sustainable Aquaculture
Probiotics are microbial feed supplement which beneficially affects the host animal by improving its intestinal balance. Probiotics improve host digestive processes by producing extra cellular enzymes such as amylase, protease, cellulase and lipases as well as necessary growth factors. Therefore, formulation of cost-effective probiotic along with fish diets improve the aquaculture productivity.
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Agriculture
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Current Applications of Cold Actives Enzymes in Molecular Biology
High catalytic efficiency at low and moderate temperatures of cold-active enzyme offer a number of advantages for biotechnology processes, such as the shortening of process times, saving of energy costs, prevention of the loss of volatile compounds, performance of reactions that involve thermosensitive compounds, and reduced risk of contamination.
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Applications
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Bioremediation by Cold Tolerant Microbes
Bioremediation is a process to accelerate the natural biodegradation rates through the optimization of limiting environmental conditions and is an ecologically and economically effective method. Low-temperature biodegradation of organic contaminants in cold ecosystems is a result of the degradation capacity of the indigenous psychrophilic microbial population.
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Environmental Biotechnology
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Effect of Low Temperature on Bacterial Growth
Low temperature can influence the response of a microorganism either directly or indirectly. Direct effects include decreased growth rate, enzyme activities, alteration of cell composition and differential nutritional requirements. Indirect effects are usually observed on the solubility of solute molecules, diffusion of nutrients, osmotic effects on membranes and cell density.
- Category:
Biology
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Cold Active Proteins in Food and Pharmaceutical Industry
The efficiency appears to be related to the high activity of the psychrophilic enzymes and their application in food and in baking trials have revealed that the psychrophilic xylanase was very effective in improving the dough properties and final bread quality with, for instance, a positive effect on loaf volume and a Antarticine is effective for scar treatments and re-epithelialization of wounds.
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Biotechnology products
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Cold Loving Microorganisms
Cold tolerant microorganisms exhibit distinctly different properties than representatives of mesophiles and thermphiles. Microorganism with low temperature optima are generally referred to as psycrophiles (cold loving). Their natural habitats include snow, glacial and sea ice, permafrost soil, ice clouds These organisms have considerable biotechnological potential.
- Category:
Biology
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Ice Plus and Ice Minus Bacteria
The 'ice plus' bacteria posses INA protein (Ice nucleation-active protein) found on the outer bacterial wall acts as the nucleating center for ice crystals. This protein located on the outer membrane of these bacteria is responsible for ice nucleation. While 'ice minus' bacteria do not posses Ina proteins and lower the ice nucleation temperature.
- Category:
Biology
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Bacterial Antifreeze Proteins and Its Applications
Antifreeze proteins (AFPs) are structurally diverse group of proteins that have the ability to modify ice crystal structure. AFPs create a difference between the melting point and freezing point known as thermal hysteresis (TH) is a measure of the antifreeze activity.
- Category:
Biotech Research
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Structural Feature of Cold Actives Enzymes
Enzymes are biological catalyst and involved in most of the chemical reaction in the cell, those are necessary for the cell survival. Adaptation of the cell to the low temperature calls for presence of intracellular enzymes, which are active at low temperature. A wide range of molecular determinants confer conformation flexibility of enzymes. These determinants involved in protein stability are ei
- Category:
Biotech Research
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