Enzymes in the Environment: Activity, Ecology and Applications - Chapter 16 pptx
Enzymes in the Environment: Activity, Ecology and Applications - Chapter 16 pptx
... indicating that the ester probably interfered with nutrient cycling’’ (103). In the former study, urease and acid- and alkaline-phosphatase activities were tem- porarily reduced, whereas in the ... clear, a dis- criminant function combining seven properties, including alkaline phosphatase and argi- nine deaminase activities, correctly classified 86% of the undisturbed soils...
Ngày tải lên: 11/08/2014, 15:20
Enzymes in the Environment: Activity, Ecology and Applications - Chapter 2 pptx
... Inc. Currently,itisevidentthatmicroorganismsformcomplexmicrobialfoodwebsin allaquaticecosystems,andthattheiractivitiesandmetabolismsoftenaretightlycoupled and/ ormutuallyaffected(132,143,144).Therefore,itisnotsurprisingthatenzymatic propertiesandactivitiesofdifferentcomponentscreatingthemicrobialfoodwebsinlake ecosystemshavedemonstratedcloserelationships.Severalreportshavedocumentedthe stron...
Ngày tải lên: 11/08/2014, 15:20
Enzymes in the Environment: Activity, Ecology and Applications - Chapter 1 ppsx
... systems involving phenoloxidase enzymes. The deamination of amino acids, such as serine, phenylalanine, proline, methionine, and cysteine by birnessite, and the role of pyrogallol in influencing their ... variable effects, depending on soil and enzyme assay conditions (46,120 ,162 ,163 ). The kinetic analysis of the decline in the activity of l-histidine NH 3 -lyase during...
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Enzymes in the Environment: Activity, Ecology and Applications - Chapter 3 pdf
... anomeric linkages (160 162 ). A further technical advantage is that the fluorophores used for labeling polysaccharides (fluorescein-amine, isomer II) and peptides (4-amino- 3,6-disulfo-1,8-naphthalic ... for chitin-hydrolyzing activity by using MUF-β-d-N, N′-diacetylchitobioside, and chitobiase activity was then assayed in protein extracts prepared from the positive clones. The chi-...
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Enzymes in the Environment: Activity, Ecology and Applications - Chapter 4 potx
... Inc. Theresultsshowedlargedifferencesbetweenthe2daysofsamplinginsoilenzyme activities(e.g.,alkalinephosphatase,Fig.2)andavailablesoilnutrients(e.g.,nitrate,Fig. 3).Differenceswerefoundalsobetweenthevariousoilseedrapevarietieswithmostsoil enzymesmeasuredandwiththeavailablesoilnutrients.However,therewaslittlediffer- encebetweentheenzymeactivitiesintherhizosphereoftheGMandnon-GMplants. Themajorf...
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Enzymes in the Environment: Activity, Ecology and Applications - Chapter 5 ppt
... short-chain poly-P was higher in the internal hyphae (67). Long-chain poly-P seems to be more efficient in transporting Pi from the extraradical to the intraradical part of the fungi. Activity of enzymes ... Inc. directlycontributetoreductionofpathogenviabilityandgrowth.Inaddition,theyhave beenproposedasmediatorsinpathwaysleadingtodefense-relatedgeneexpression(136). ThereleaseofA...
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Enzymes in the Environment: Activity, Ecology and Applications - Chapter 8 potx
... affecting the efficiency of interaction of the substrate and enzyme molecules. In other words, a portion of the enzyme molecules existing in the field soil may not be actively engaged in catalyzing their ... transforma- tions include the effect of bonding of β-d-glucosidase to a phenolic copolymer of l-tyro- sine, pyrogallol, or resorcinol (108) and of linking of urease to t...
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Enzymes in the Environment: Activity, Ecology and Applications - Chapter 9 potx
... Inc. wererepressedbyaddedN;formapleandoak,theseactivitiesincreased.Theresults suggestedthatwhiterotfungi,whichproduceligninasesinresponsetolowNavailability, weredisplacedbysupplementalN,slowingthedecompositionofrecalcitrantlitter. HenriksenandBreland(27)alsofocusedontheroleofNinthedecomposition process.Usingamicrocosmsystemofwheatstrawandsoil,theyfoundthatcarbonminer- alization,fungalbiomass,...
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Enzymes in the Environment: Activity, Ecology and Applications - Chapter 10 docx
... the years; these include vanilin, indulin, ferrulic acid, and, most importantly, 14 C-labeled synthetic lignins. Various fungal enzymes are involved in lignin degradation, including lignin peroxidase, ... strains and the extrac- tion of enzymes, provide complementary information on enzyme production by emphasi- zing the potential of the living hyphae and the sum of past a...
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Enzymes in the Environment: Activity, Ecology and Applications - Chapter 11 ppsx
... Inc. possibletofindseveralexplanationstointerpretaproteinadsorptionisotherm,withno experimentalevidenceavailabletochooseamongthem.TheadvantageoftheNMR methodisthatitsimultaneouslygivesthequantityofadsorbedprotein,thesurfacecover- ageofthesolidbytheprotein,andthemonolayerormultilayermodeofadsorption (16) . Onlyknowledgeofthesethreefactorsallowsapossibleunfoldingoftheproteinsonthe claysurfacesto...
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