Download Enzymes in the Environment: Activity, Ecology, and by Richard G. Burns, Richard P. Dick PDF
By Richard G. Burns, Richard P. Dick
The necessity to comprehend the organic tactics which are vital for crucial aquatic and terrestrial atmosphere functionality has brought on a lot learn into the sector of ecological enzymology. This e-book offers the 2 vast components of program in a compilation of studies by way of 21 foreign specialists of their respective fields. the 1st explores enzymatic actions to evaluate the tactics or mechanisms that function in a given procedure, reminiscent of the rhizosphere, plant leaves and shoots, soil surfaces, and biofilms. the second one considers enzymes or microbial cells as sensors to realize microbial task and stresses because of pollutants, administration, or climatic swap in either aquatic and terrestrial ecosystems
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Extra info for Enzymes in the Environment: Activity, Ecology, and Applications
Sample text
Catalase and amylase activities were expressed as percentages of O 2 released from H 2 O 2 and percentages of starch hydrolyzed, respectively. Higher EAN values were found in forest than in arable soils (196). Both indexes were calculated by Perucci (197), using a loamy soil treated with municipal refuse. The EAN index was correlated with amylase, arylsulfatase, deaminase, dehydrogenase, alkaline phosphomonoesterase, and protease activity but not with catalase and phosphodiesterase activity. The BIF was only significantly correlated with catalase activity.
Effect of tillage and residue management on enzyme activities in soils. II. Glycosidases. Biol Fertil Soils 22:208–213, 1996. 58. DJ Ross. Studies on a climosequence of soils in tussock grasslands. New Z J Soil Sci 18: 527–534, 1975. 59. DJ Ross. Distribution of invertase and amylase activities in pasture topsoil fractions isolated by ultrasonic dispersion in nemagon and a surfactant. Soil Biol Biochem 8:485–490, 1976. 60. JZ Burket, RP Dick. Microbial and soil parameters in relation to N mineralization in soils of diverse genesis under differing management systems.
Soil Biol Biochem 13:99–104, 1981. 181. K Watanabe, K Hayano. Mechanisms of production of soil protease by proteolytic Bacillus substilis in wetland rice soil. Biol Fertil Soils 21:109–113, 1996. 182. O Dilly, P Nannipieri. Intracellular and extracellular enzyme activity in soil with reference to elemental cycling. Z Pflanzenernahr Bodenk 161:242–248, 1998. 183. F Einland. Determination of adenosine triphosphate (ATP) and adenylate energy charge Copyright © 2002 Marcel Dekker, Inc. 184. 185. 186.