7Microbial Enzymes in the Biocontrol of Plant Pathogens and aEnzymes in the Environment: Activity, Ecology and Applications - Chapter 7PestsLeonid Chernin and Ilan ChetThe ppt
7Microbial Enzymes in the Biocontrol of Plant Pathogens and aEnzymes in the Environment: Activity, Ecology and Applications - Chapter 7PestsLeonid Chernin and Ilan ChetThe ppt
... Inc. causediseasesanddamageinagriculturalcrops.Chitinasesalsoplayanimportantphysio- logicalandecologicalroleinecosystemsasrecyclersofchitin,bygeneratingCandN sources.Someproducersofchitinases,includingTrichodermaspp.,arealsosourcesof mycolyticenzymepreparations(51,59,60). ChitinolyticenzymesaredefinedasenzymesthatcleaveabondbetweentheC1 andC4oftwoconsecutiveGlcNAcunits.Onthebasisofaminoacidseq...
Ngày tải lên: 11/08/2014, 15:20
Tài liệu Báo cáo khoa học: Insights into the structure of plant a-type phospholipase D Susanne Stumpe, Stephan Konig and Renate Ulbrich-Hofmann ¨ ppt
... of PLDf, which contains a Phox (PX) and a Pleckstrin (PH) homology domain in the N-terminal region, all the other PLD isoenzymes possess a calcium- and phos- pholipid-binding domain (C2 domain) ... being dominant. The fluorescence and near-UV CD spectra point to tight packing of the aromatic residues in the core of the protein. From the near-UV CD signals and ac...
Ngày tải lên: 19/02/2014, 02:20
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 ... Inc. Thereisthepotentialtouseanintegratedmeasurementofanumberofenzyme activities(asdiscussedlater),inconjunctionwithotherphysical,chemical,andmicrobio- logicalmeasurements,inas...
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 3 pdf
... Inc. Investigationsofextracellularenzymesfrommarineanimalsandenzymesisolatedfrom prokaryotesareconsideredonlyifaclearconnectiontomarineecologyisestablished. Thetermextracellularenzymesisusedthroughoutthischapter,whereasChro ´ st(5)distin- guishesbetweenectoenzymesandextracellularenzymes.Ectoenzymesaredefinedby Chro ´ st(5)andinChapter2asenzymeslocatedintheperiplasmicspaceorattachedto theouterm...
Ngày tải lên: 11/08/2014, 15:20
Enzymes in the Environment: Activity, Ecology and Applications - Chapter 4 potx
... Inc. Althoughthisstudyinvolvedtheuseofageneticallymodifiedmicrobe,themodi - cationswerenotintendedtohaveafunctionalimpact;theywereinsertedasgeneticmark- ers.Asecondstudycomparingtheeffectofthesamegeneticallymarkedstraintothatof afunctionallymodifiedstrainshowedeffectsthataremoreinteresting(36).Theaimof thisworkwastodeterminetheimpactintherhizosphereofwildtypealongwithfunction- allyandnonfunc...
Ngày tải lên: 11/08/2014, 15:20
Enzymes in the Environment: Activity, Ecology and Applications - Chapter 5 ppt
... Inc. ThepatternsofenzymeactivityandmRNAaccumulationsuggestthatchitinases and -1 ,3-glucanasesmightbepartoftheearlydefenseresponsebytheplanttotheinvad- ingfungus,whichisthensuppressedassymbioticinteractionsdevelop.Inthiscontext, planthydrolasesmaybeinvolvedintheregulationofAMdevelopment.Nevertheless, someexperimentaldatarevealedthatitisnotlikelythatplantchitinasesandglucanases areessentialt...
Ngày tải lên: 11/08/2014, 15:20
Enzymes in the Environment: Activity, Ecology and Applications - Chapter 8 potx
... 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 tannic acid (49,52). Sarkar and ... Inc. (nitrificationanddenitrificationeffects)aswellasbyprotectionandcreationofwetlands (4,7,39,57,85,122). Itisagainstthisbackdropofthemajorenvironmentalrelevanceoftheenzymesof...
Ngày tải lên: 11/08/2014, 15:20
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,...
Ngày tải lên: 11/08/2014, 15:20
Enzymes in the Environment: Activity, Ecology and Applications - Chapter 10 docx
... one-year period together with the cellulase- and lignin-degrading ability of the fungi. The first colonizers were Mucor and Cladosporium spp. The number of Mucor spp. isolates de- creased after the ... enzymes in the upper part of the profile could be due to the presence of fungi (chitin in the cell walls) and arthropods (chitin in the exoskeleton) serv...
Ngày tải lên: 11/08/2014, 15:20