نتایج جستجو برای: mesophile microorganisms
تعداد نتایج: 39692 فیلتر نتایج به سال:
Temperature Adaptation at Homologous Sites in Proteins from Nine Thermophile–Mesophile Species Pairs
Table 1 Thermophilic moulds are a potential reservoir of thermozymes which find potential applications in various biotechnological processes (Singh , 2016; Singh, 2016; Maheshwari 2000; Johri 1999). Enzymes from thermophilic fungi often tolerate higher temperatures than enzymes from their mesophilic counterparts and some show stability even at 70-80°C (Singh 2016; Singh, 2016; Johri 1999). It h...
For Iranian fermented cheese processing and ripening, different lactic acid bacteria (LAB) that affect on the physicochemical properties and hence the organoleptic characteristics of the cheese is used. Determination of physicochemical changes of cheese, particularly, organic acids is of importance. In this study five cheese formulas with five different group of cheese starters were processed a...
the development of reliable processes for the synthesis of nanoparticles is an important aspect of nanotechnology. biologically synthesized nanoparticles could have innumerable applications in different areas such as reception, catalyzers, biolabellers, etc. in the present review, we emphasize the richness of the microbial world which encompasses a plethora of endophytic entities as an emerging...
The effects of temperature on the kinetic parameters kcat and Km, for three isolates of the highly conserved monomeric enzyme 3-phosphoglycerate kinase (PGK), were investigated in detail using a rapid automated kinetics apparatus. PGK was purified from the thermophilic bacterium Thermoanaerobacter sp. Rt8.G4 (optimum growth temperature 68 degrees C), the mesophile Zymomonas mobilis (optimum gro...
today oil removal from contaminated soil by new methods such as bioremediation is necessary. in this paper, the effect of chemical fertilizers and aeration on bioremediation of oil-contaminated soil has been investigated. also the control group, (bioremediation of petroleum hydrocarbons in contaminated soil without treatment by chemical fertilizers and aeration treatment was examined. the cond...
methods for measuring toxicity or respiratory activity of microbial cultures can be used as tools for assessing the presence of chemicals and their impact on the streams. the proposed toxicity test is based on the respirometric characteristics of the bacteria according to the principals of biolog’s microplate system. as the microorganism are utilizing the carbon source (peptone), the reductio...
Biodegradation is defined as the biologically catalyzed reduction in complexity of chemical compounds [1]. Indeed, biodegradation is the process by which organic substances are broken down into smaller compounds by living microbial organisms [2]. When biodegradation is complete, the process is called "mineralization". However, in most cases the term biodegra‐ dation is generally used to describ...
background: toxaphene is a chlorinated hydrocarbon insecticide. the residues of which have been documented throughout the biosphere including water, ground water, soil and lake sediments, even though its use was banned some years ago. toxaphene has been known as an important environmental pollutant as a result of its persistence in the environment, bioaccumulation and bio magnification in food ...
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