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Interactions among Different Enzymes of Five Fungal Strains from Alpine Meadow Soil

高寒草地土壤5株真菌合成不同功能酶系间互作效应的研究



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 Vol.23  No.3
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LUGuangxin1,WENXiaocheng1,WANGJunbang2,WUChu3,CHENXiurong4
(1.AgricultureandAnimalhusbandryColege,QinghaiUniversity,Xining,QinghaiProvince810016,China;
2.InstituteofGeographicSciencesandNatureResourcesResearch,CAS,Beijing100094,China;
3.ColegeofHorticultureandGardening,YangtzeUniversity,Jingzhou,HubeiProvince434025,China;
4.PrataculturalColege,GansuAgriculturalUniversity,Lanzhou,GansuProvince730070,China)
犃犫狊狋狉犪犮狋:Itisverysignificanttostudytheinteractionsbetweencelulolyticenzymesbecausetheinterac
tionscouldincreasethedecompositionofcelulose.Inthepaper,fivefungalstrainsfromalpinemeadow
soilwereselectedtocomposeasyntheticsystem.Thefivefungalstrainshadthehighactivitiesofcelulo
lyticenzymes.Theactivitiesofcelulolyticenzymesoftheindividualfungalstrainorthedifferentmixed
fungalstrainsweredeterminedandtheinteractionsbetweencelulolyticenzymesinthefungalstrainswere
analyzed.Theresultsshowedthatcomparedwiththeindividualstrains,theactivitiesofcelulases,Hemi
celulase,andlaccasesinthemixedsolutionswhichwerecomposedofthesamevolumeofenzymesfrom
thetwoofthefivefungalstrainsdecreased(犘<0.05),andthedecreasesoftheseenzymeactivitieswere
different.Thecelulosesandhemicelulosesactivitiesofthemixedenzymesfromthe310band23astrains
aswelasfromthe310bandHstrainschangedsignificantly(犘<0.05),whereastherewerenotsignificant
changesinthemixedenzymesof310band24dstrainsaswelasinthemixedenzymesof310band26B
strains.
犓犲狔狑狅狉犱狊:Alpinemeadowsoil;Fungalstrains;Differentfunctionalenzymes;Interactioneffect
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6x× Authorforcorrespondence,Email:chenxiurong@gsau.edu.cn;jbwang@igsnrr.ac.cn
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Fig.2 CMCaseandXylanaseactivitiesofdifferentfungistraincombinations
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Table1 Analysesofenzymeactivitiesfromdifferentstraincombinations
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Serialnumber
c6
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£ab Typeofenzyme
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Laccase
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Xylanase
26B 0.669±0.011a 1.148±0.039a
1 310bj26B 310b+26B 0.180±0.005A 0.621±0.022a 1.028±0.040a
310b 0.451±0.021B
24d 0.465±0.006a 1.555±0.022a
2 310bj24d 310b+24d 0.185±0.008A 0.434±0.010a 1.452±0.042a
310b 0.451±0.021B
23a 0.531±0.009A 1.490±0.018a
3 310bj23a 310b+23a 0.193±0.003A 0.368±0.017B 1.405±0.014b
310b 0.451±0.021B
H 0.578±0.018A 1.535±0.009A
4 310bj H 310b+H 0.285±0.017A 0.166±0.012B 0.222±0.014B
310b 0.451±0.021B
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Note:Mean±SDfor3replicatedtests.Differentcapitalletterswithinthesamecolumnmeansignificantdifferenceat犘<0.01.Different
smalletterswithinthesamecolumnmeansignificantdifferenceat犘<0.05
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