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1.
0 IntroductionGeneexpressioninorganismsisalteredduringdevel opmentandrespondtoenvironmentalchangesanddis ease .TheanalysisofspecificmRNAisofcentralimpor tanceinunderstandingfundamentalbiologicalprocesses .Northernblotanalysis ,insituhybridizationandre ver… 相似文献
2.
非致病微生物在植物—病原菌协同进化中的作用 总被引:2,自引:0,他引:2
非致病微生物在植物-病原菌协同进化中的作用单卫星(西北农业大学植保系,陕西杨陵712100)TheRoleofNon-pathogenicMicroorganismsinPlant-pathogenCoevolution¥ShanWeixing(Depart-mentofPlantProtection,NorthwesternAgriculturalUniversity,Yangling,Shaanxi712100).ChineseJournalofEcology,1993,12(6),54-59.Inviewofpresentproblemsassociatedwithplantdiseasecontrol,coupledwithrecentadvancesinbiolog-icalcontrolofplantdiseasesandplant-pathogeninteractions,theauthorpointedouttheimportanceofnon-pathogenicmicroorganismsinhabitingplantsurfacesinregulationofplant-pathoge 相似文献
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ProteinkinaseCisacrucialenzymefamilyinthecontrolofsignaltransductionandisinvolvedindiversecellactions[1].TheactivityofclassicalPKC(cPKC),whichisoneofthethreesubgroups,notonlydependsoncalciumandphosphatidylserine,butalsoisregulatedbydiacylglycerols,unsatur… 相似文献
4.
植物染色体显微切割技术的研究现状与展望 总被引:10,自引:0,他引:10
植物染色体显微切割技术的研究现状与展望马有志徐琼芳辛志勇(中国农业科学院作物育种栽培研究所,北京100081)TheAdvancesoftheTechniqueofPlantChromosomeMicrodisectionMaYouzhiXuQion... 相似文献
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HCVisthemajorcauseofposttransfusionnonA,nonBhepatitis[1].About50%oftheinfectionswilldevelopintochronichepatitisandamongthemabout20%willresultinlivercirrhosisandhepatocellularcarcinoma[2].BecausethetiterofHCVparticleinpatient’sbloodisextremelylow,andthereisno… 相似文献
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Interleukin12(IL12)isaheterodimericcytokineproducedbymacrophage,mitogenstimulatedorEBVtransformedBlymphocytes,anddendriticcells,withimportantimmunoregulatoryfunctionsinvitroandinvivo.IL12enhancestheproliferationanddifferentiationofTh1cells.IL4improvestheres… 相似文献
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Nuclear matrix of the most primitive eukaryote Archezoa 总被引:5,自引:0,他引:5
Nuclearmatrixisaresidualframeworkofnucleusafterremovalofthenuclearmembranes,chromatinsandsolublesubstancesbysequentialextraction.Itisatripartitestructure,containingthefollowingthreeparts:(i)theresidualelementsofthenuclearenvelope,theporecomplexlamina;(ii)… 相似文献
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《人类学学报》2002,(Z1)
Dentaldevelopmentanderuptionsequencesareconsideredimportantindicatorsoflifehistorypat terns,andtheirstudycanshedlightontheevolutionoflifehistoryinhumansandotherprimates[1] .ThispaperaimstoestablishthedentaleruptionsequencesofLufengpithecuslufengensisandtocomparethemwiththoseofotherhominoids .1 MaterialsandmethodFivejuvenilemandiblesofLufengpithecuslufengensisfromthecollectionsoftheInstituteofVerte bratePaleontologyandPaleoanthrolpogy (IVPP)—PA6 6 3,PA86 8,PA82 2 ,PA82 3andPA6 73—wereexamined .Necessaryradio... 相似文献
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Osmotinisa24kubasicproteinthatwasoriginallyidentifiedasthemostprominentpolypeptidepresentinsaltadaptedtobaccocells.Theexpressionofosmotinisinducedbymanystressesandenvironmentalfactorsincludingpathogeninfection,ethylene,ABA,Methyljasmonate,salicylicacid,w… 相似文献
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农业生态学理论与实践发展的思考雷圣远(四川农业大学,雅安625014)AgroecologicalTkeoryandItsPracticalDevelopment¥.LeiShengyuan(SichuanAgriculturalUniversity,Yaan625014).ChineseJottmalVEcology,1993,12(2):11-12.Agroecologyoriginatesfromgeneralecology,butitstheoryandmethodologyarequitespecific.Inor-dertomakeagroecologybetterservetheprotectionofecologicalenvironmentandthedevelopmentofa-griculturalproduction,it’snecessarytodevelopthetheoryofagroecology,replenishitsbasicknowledgeandstrengthenthetrainingofbasictechnicalabilityinagroecologyteac 相似文献
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杨树护田林带疏透度模型及应用 总被引:3,自引:0,他引:3
杨树护田林带疏透度模型及应用张纪林,吕祥生(江苏省林业科学研究所,南京211153)(江苏省农林厅林业局,南京211153)PorosityModelofPoplarFarmlandShelterbeltandItsApplication¥ZhangJilin(Forestryscienceandtech-nologyresearchInstituteofJiangsu),LuXiangsheng(ForestryBureau“ofJiangsuProvince).ChineseJournalofEcology,1993,12(5):56-60。Inthisarticle,theauthorsatfirstmadethree-principledselection,partialcorrelation,bestmulti-prin-cipleregressionselectloninsequence,Secondlyonthebasisofresidualanalysis,theauthorsmadetestofhighleveragecase,influencecaseandoutlieronsample 相似文献
12.
昆虫胁迫下的植物应激反应模式 总被引:10,自引:0,他引:10
昆虫胁迫下的植物应激反应模式王海波(复旦大学生命科学学院,上海200433)TheStressReactionModelofPlauttoInsect’sPressure¥WangHaibo(DepartmentofBiology,FudanU-niversity,Shanghai200433);ChineseJournalofEcology,1993,12(6):46-48.Onthebasisofexperiments,anewsetofmodelsaboutplant’sintegrativereactionunderinsects’pres-sureisproposedThemodelscanbedividedintotwoparts:distinguishingreactionmodelandstressreac-tionmodel.TheformerpartindicatesthatplanthasonekindofconvergentphysioIogicalstressreactioninadversesituations,nospecialreactionofdistinguishinga 相似文献
13.
真桑钝绥螨对柑桔全爪螨不同螨态的选择性蒲天胜,曾涛,韦德卫(广西农科院植物保护研究所,南宁530007)SelectivePredacityofAmblyseiusmakuwatoVariousMiteFormsofPananychuscitri¥PuTiansheng;ZengTao;WeiDewei(InstituteofPlantProlection,GuangxiAcademyofAgriculturalSciences).ChineseJour-nalofEcology,1993,12(1):33-34。TheselectivepredacityoffemaleadultofA.makuwatocitrusmitesissimulatedincomparisonwithspeciesofAnicholsi.A.makuwashowsanegativepreferencetotheadultofP.citri,butA.nicholsishowsnoselectivityandswitching.Inmulti-formcoexistentsystemofmites,thefunctionalres 相似文献
14.
CHEN Li De 《古生物学报》2002,(3)
SYSTEMATICPALEONTOLOGYGenusCelsigondolellaKozur ,196 8 Typespecies Gondolella (Celsigondolella)watznauriKozur ,196 8Celsigondolellabaiyunensissp .nov .(PlateⅠ ,figs .1— 5 ) Etymology NamedfromitsoccurrenceinBaiyunsection ,Guizhou .Diagnosis ArepresentativeofCelsiog… 相似文献
15.
RFLP mapping and race specificity of bacterial blight resistance genes (QTLs) in rice 总被引:3,自引:0,他引:3
罗利军 梅捍卫 赵新华 钟代彬 王一平 余新桥 应存山 Z.K.Li A.H.Paterson D.L.Wang R.E.Tabien L.Zhu J.W.Stansel 《中国科学:生命科学英文版》1998,41(5):542-547
BacterialblightcausedbyXanthomonasoryzaepv.oryza(Xoo)isoneofthemostseriousricediseasesinAsia.Sincethe1920s,probingthegeneticbasisofresistancetoXooandbreedingresistantvarietieshavebeenahotpointofricescienceresearch[1,2].Bothtypesofresistance,VR(qualitativeres… 相似文献
16.
空气污染对植物病虫害的影响吴亚,金翠霞(江苏省农科院植物保护研究所,南京210014)EffectsofAtmospbericPollutiononPlantDiseasesandPests¥WuYa;JinCuixia(InstituteofPlantPro-tection,JiangsuAcademyofAgriculturalSciences,Nanjing210014).ChineseJournalofEcology,1993,12(6):49-53.Thispapersummarizestheeffectsofmainatmosphericpollutants,suchasO_3,SO_2,fluorides,acidrainetc.onplantpathogenicmicroorganisms;theeffectsofairpollutionontheoccuranceandinfestationofphytophagusinsects,andtheinfluencesofgreenhouseeffectofCO_2ontheoutbreakofpests。Keywords:atmospheri 相似文献
17.
不同生态条件下苹果叶面附生物种群演替的初步研究 总被引:2,自引:0,他引:2
不同生态条件下苹果叶面附生物种群演替的初步研究陈功友,郑铁民,任国兰,时向阳(河南农业大学,郑州450002)郭艳春,宋爱仙(河南省植保总站,郑州450002)(郑州市园艺场,450002)SuccessionofEpiphyticMicrofloraPopulationsonApplePhylloplaneunderDiffcrentEcologicalCondi-tions¥.ChenGongyou,ZhengTiemin,RenGuolan,ShiXiangyang(Henan,AgriculturalUniuersity,Zhengzhou450002),GuoYanchun(HenanGeneralStationofplantprotection,Zhengzhou450002),SongAixian(HorliculturalFarmofZhengzhouMunicipality,Zhengzhou450002).(ChineseJournalofEcology,1993,12(4):7-13.Seasonalvariationsofepiphyticmicrofloraonapplephyll 相似文献
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FSHβsubunit gene is associated with major gene controlling litter size in commercial pig breeds 总被引:2,自引:0,他引:2
Littersizeisaveryimportantquantitativetraittopigproductionanddifficulttoimprovebytraditionalbreedingtechnologyduetoitslowheritability.Markerassistedselection(MAS)isthoughtasanewapproach,whichcanbeusedtoimproveproductiontraitsoflowheritabilityeffectivel… 相似文献
19.
Differential effects of Ca2+ and Mg2+ on endonuclease activation in isolated promyelocytic HL-60 cell nuclei 总被引:1,自引:0,他引:1
Apoptosisorprogrammedcelldeath(PCD)isaprocessofcelldeletionwhichoccursinresponsetoanumberofcytotoxicandphysiologicallyrelevantstimuli.Thisprocessischaracterizedbyseveralearlymorphologicalterationsincludingplasmaandnuclearmembraneblebbing.Endogenousendo… 相似文献
20.
Wildgermplasmconsistsofanimportantbasisforgeneticimprovementofcultivatedrice.OryzameyerianaisoneofthethreewildOryzaspeciesfoundinChina[1].AccessionsoriginatedinYunnanProvinceexhibitstrongresistancetobacterialleafblight[2].O.meyerianagrowsonthehillsideunde… 相似文献