Enzymes in the Environment: Activity, Ecology and Applications - Chapter 3 pdf
Enzymes in the Environment: Activity, Ecology and Applications - Chapter 3 pdf
... (18,21 ,35 ,36 ) and probably also in the extracellular release of endo -enzymes by these bacteria (37 ,38 ). By hydrolyzing macromolecular linkages in an endo- fashion (i.e., hydrolyzing the nonterminal linkages in ... supply the entire microbial commu- nity including the free-living bacteria. A key to understanding this paradox lies in the enhanced individual enzyme act...
Ngày tải lên: 11/08/2014, 15:20
Enzymes in the Environment: Activity, Ecology and Applications - Chapter 1 ppsx
... Inc. Thereisthepotentialtouseanintegratedmeasurementofanumberofenzyme activities(asdiscussedlater),inconjunctionwithotherphysical,chemical,andmicrobio- logicalmeasurements,inassessingsoilquality.Somehydrolaseactivitiesdonotshow wideseasonalvariation,probablybecauseofthelargeamountofactivityassociatedwith enzymesstabilizedbysoilcolloids.Thisprovidesagreatadvantageovermicrobiological measuremen...
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Enzymes in the Environment: Activity, Ecology and Applications - Chapter 2 pptx
... 0.80 35 .61 97 190 59 .30 4. 53 13. 09 94 Schleinsee 1 1 .30 2.51 0.52 20 3 1.80 2.20 0.82 40 5 2.98 0.99 3. 01 85 7 161.51 0. 93 1 73. 67 98 9 297.60 2.08 1 43. 07 96 12 32 7. 63 1 .30 252. 03 99 APase, alkaline ... Inc. Currently,itisevidentthatmicroorganismsformcomplexmicrobialfoodwebsin allaquaticecosystems,andthattheiractivitiesandmetabolismsoftenaretightlycoupled and/ ormutual...
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Enzymes in the Environment: Activity, Ecology and Applications - Chapter 4 potx
... Inc. Althoughthisstudyinvolvedtheuseofageneticallymodifiedmicrobe,themodi - cationswerenotintendedtohaveafunctionalimpact;theywereinsertedasgeneticmark- ers.Asecondstudycomparingtheeffectofthesamegeneticallymarkedstraintothatof afunctionallymodifiedstrainshowedeffectsthataremoreinteresting (36 ).Theaimof thisworkwastodeterminetheimpactintherhizosphereofwildtypealongwithfunction- allyandnonfu...
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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 ... Marcel Dekker, Inc. ThepatternsofenzymeactivityandmRNAaccumulationsuggestthatchitinases and -1 , 3- glucanasesmightbepartoftheearlydefenseresponsebytheplanttotheinvad- ing...
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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
... that the prominence of ligninase- producing basidiomycetes (35 ) in terrestrial systems and pectinase-producing hyphomy- cetes (7,89) in aquatic systems probably affects the functional profile and ... activity and secondary production in free-living and marine-snow-associated bacteria. Mar Biol 1 13: 341 34 7, 1992. 34 . TK Kirk, RL Farrell. Enzymatic ‘‘combustion’’: The m...
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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, ... was concluded that the higher levels of these enzymes in the upper part of the profile could be due to the presence of fungi (chitin in the cell walls) and arthropods...
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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 claysurfacestobe...
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Enzymes in the Environment: Activity, Ecology and Applications - Chapter 12 ppsx
... systems, lasR-lasI and rhlR-rhlI. The lasI and rhlI gene products are involved in the synthesis of two different AHL molecules, N- ( 3- oxododecanoyl)-l- homoserine lactone and N-buytryl-l-homoserine lactone, ... components in- clude β-galactosidase, β-N-acetylglucosaminidase, β-N-acetylgalactosaminidase, - and β-mannosidase, and α-fucosidase (116). Other bacteria then pr...
Ngày tải lên: 11/08/2014, 15:20