简介：这研究的目的是表明杆菌SP3的基本特征并且在不同原油上评估它的效果。紧张SP3是在华东从Shengli油田的一座水库被孤立的能动的、克积极的、生产孢子的杆。紧张SP3的Thecells在5.5-8.5的氢指数范围在高温度成长了直到58℃。grewfacultatively拉紧SP3并且能使用不同器官的底层，并且生产一些代谢物如此的as4-hydroxy-4-methyl-2-pentanone，methyl-2-nitrogen苯并且1，2-benzenedicarboxylic酸bisest嗯。实验室研究证明了紧张变换了并且降级不同部件并且变化物理并且原油的化学性质。紧张SP3降级了原油和原油上的细菌的生长导致了芳香的烃，树脂和沥青质的损失。原油的简历变换将在更轻的烃和全面再分配导致丰富浸透烃。有原油的微生物的相互作用是可变的，取决于微生物引起的种类和原油的化学成分。

简介：现在的学习瞄准了估计与海洋的海绵联系的细菌的antifouling活动。八细菌的紧张的一个总数从海绵Sigmadociasp的表面被孤立，他们，SS02，SS05和SS06对形成biofilm细菌显示出禁止的活动。这3紧张的摘录更加影响了生产形成biofilm的能力和粘附的细胞外的聚合物质细菌的紧张。除了圆盘散开试金，microalgal解决试金被执行，摘录与聚氨酯木头光泽混合了并且到不锈钢赠券上涂。紧张SS05的摘录显示出强壮的microalgal解决禁止的活动。紧张SS05基于它的16SrRNA基因作为杆菌仙影拳被识别。与海洋的无脊椎动物联系的细菌的紧张的代谢物答应被发展进环境友好的antifouling代理人。

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简介：Inthispaper,thetotalsugarconcentration,proteinconcentration,lipidyieldandmorphologycharacteristicsofthealgaeresidueweredeterminedtoexplainthemechanismoflipidsextractionfromwetmicroalgaeScenedesmussp.byionicliquidassistedsubcriticalwater.Theresultsshowedsimilarvariationforthesugar,proteinandlipid.However,thetotalsugarwasmoresimilartolipidsyield,sotheresultsshowedthatthereactionbetweenionicliquidandcelluloseandhemicelluloseincellwallwasthemostimportantstepwhichdeterminedthelipidsextrationdirectly.Andthetotalsugarvariationmayberepresentingthelipidsyield.Forlaterlipidsextraction,wecandeterminethetotalsugarconcentrationtopredicttheextractionendproduct.

简介：Laurenciananhaiensesp.nov.(Rhodomelaceae,Rhodophyta)isdescribedfromHainanandGuangdongProvinces,China.Thenewspeciesclearlydisplaysoneofthedefiningfeaturesofthegenus,viz.fourperiaxialcellspervegetativeaxialsegment.Itdiffersfromothercloselyrelatedspeciesinhavingacombinationoffeaturessuchastereteaxesfromabasalsystemcomposedofaprimarydiscoidholdfastandasecondaryattachmenttogiverisetomanyshortrhizoids,branchingoppositelyandalternately,irregularlytristichousorsubverticillatelypolystichous,havingmorecurvebrancheswithverysparse,adventitiousultimatebranchlets,non-projectingsuperficialcorticalcellsattheapicesofultimatebranchlets,presenceoflongitudinallyorientedsecondarypit-connectionsbetweencontiguoussuperficialcorticalcells,absenceoflenticularthickeningsinthewallsofmedullarycells,parallelarrangementoftetrasporangiaalongtheaxisofstichidia,andpresenceofintercellularspacesbetweenmedullarycells.

简介：BacteriaofthegenusFlammeovirgacandigestcomplexpolysaccharides(CPs),butnodetailshavebeenreportedregardingtheCPdepolymerasesofthesebacteria.MY04,anagarolyticmarinebacteriumisolatedfromcoastalsediments,hasbeenidentifiedasanewmemberofthegenusFlammeovirga.TheMY04strainisabletoutilizemultipleCPsasasolecarbonsourceandgrowswellonagarose,mannan,orxylan.Thisstrainproduceshighconcentrationsofextracellularproteins(490mgL-1±18.2mgL-1liquidculture)thatexhibitefficientandextensivedegradationactivitiesonvariouspolysaccharides,especiallyagarose.Theseproteinshaveanactivityof310Umg-1±9.6Umg-1proteins.Theextracellularagarasesystem(EAS)inthecrudeextracellularenzymescontainsatleastfouragarosedepolymerases,whicharewithmolecularmassesofapproximately30-70kDa.TheEASisstableatawiderangeofpHvalues(6.0-11.0),temperatures(0-50℃),andsodiumchloride(NaCl)concentrations(0-0.9molL-1).TwomajordegradationproductsgeneratedfromagarosebytheEASareidentifiedtobeneoagarotetraoseandneoagarohexaose,suggestingthatβ-agarasesarethemajorconstituentsoftheMY04EAS.TheseresultssuggestthattheFlammeovirgastrainMY04anditspolysac-charide-degradationsystemholdgreatpromiseinindustrialapplications.

简介：ApotassiumsolubilizingbacterialstraindesignatedEGT,whichistolerantofhightemperature,wasisolatedfromanearthworm’sguttoobtainabacteriumthatcanweatherpotassium-bearingrockeffectivelythroughsolid-statefermentation.Molecularphylogenyand16SrRNAgenesequenceanalysisdemonstratedthebacterialstrainwasamemberoftheStreptomycesgenus.Toassessitspotentialtoreleasepotassiumfromsilicateminerals,thisstrainwasusedtodegradepotassium-bearingrockpowderbysolid-statefermentation.Afterfermentation,theamountofwater-solubleAl,FeandKofthesubstratewithactiveinoculumwashigherthanthoseofthecontrol,whichhadautoclavedinoculum,andthoseofthefreshsubstrate.Theresultindicatedthatthestrainhadtheabilitytoweatherpotassium-bearingrockandcouldbeusedasaninoculumintheproductionofpotassiumbio-fertilizer,duetoitspotassiumreleaseactivityfromrockandtolerancetohightemperature.

简介：生产bioflocculant细菌的79紧张从3activated污泥样品被孤立。在他们之中，紧张MYC被发现有最高、稳定的絮凝的率因为两个都白陶土泥土暂停和油田生产了水。细菌的紧张作为Klebsiellasp被识别。MYC根据它的词法、生物化学的特征和16SrDNA定序。由这细菌的紧张的简历凝聚剂生产的最佳的媒介由藤条糖20gL~组成(-1),KH_2PO_42gL~(-1)K_2HPO_45gL~(-1),(NH_4)_2SO_40.2gL~(-1)urea0.5gL~(-1)和酵母摘录0.5gL~(-1),起始的氢指数5.5。当白陶土泥土的暂停与0.5%Klebsiellasp被对待时。MYC文化肉汤，絮凝的率面对500mgL~到达了超过90.0%(-1)CaCl_2，当为oil-fieldproduced水的絮凝的率在一个氢指数在80.0%附近时，7.0变化-9.0在类似的条件下面与从生产的油田的油和推迟的粒子的分离流水。凝聚剂和紧张的高絮凝率使简历凝聚剂成为的简历的environment-friendlynature由Klebsiellasp生产了。在油田的吸引人的简历凝聚剂生产了的MYC浇处理。

简介：在转基因的过程，外国基因能集成于在二个方向的主机染色体，它可以影响它的表达式。以便学习insertalorientation的效果，gfp记者基因在Synechococcussp的isiAB地点被插入。PCC7942冷淡的方向，和GFP表示层次和转基因的水藻的生长被比较。gfp基因能在每个方向表示，这被显示出，并且没有重要差别在在二recombinant水藻之间的海藻的生长和GFP表示层次上被检测。

简介：新种，白果树huolinhensissp。nov与从更低的白垩纪的保存得很好的表皮，在内部蒙古的Huolinhe煤地的Huolinhe形成，中国，词法上并且解剖地被学习。新种类的主要人物在深深地在叶柄的表皮上与狭窄的脑叶，在上面、更低的表皮的房间上开发的毛状体，在上面的表皮为每个房间在穹状的墙上开发的媒介乳头状的小突起，和没有毛状体被把的叶子被发现。G的这些人物。huolinhensissp。nov。与以前报导的白果树的已知的种类区分开来。新种类的这研究为石块白果树的分类研究是有益的，并且应该对更好理解有用在早白垩纪期间住在东北中国的白果树的paleoenvironment。

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简介：InastudyofmeiofaunapolychaetefromtheHuanghaiSea,apreviouslyundescribedspeciesbelongingtoHesionurahasbeenfoundanddescribed.ThenewspeciesdiffersfromtheotherspeciesofthegenusHesinuramainlybythechaetation.

简介：MachilusmaomingensisJinet唐，sp。nov。从始新世Maoming盆的Youganwo形成，华南，从叶建筑学和最优地保存的表皮的观点详细被学习。叶边缘是全部，主要脉络是羽状的；6～8根第二等的静脉是在场的，主要第二等的脉络是eucamptodromous。Stomata是paracytic并且发生在更低的外皮上。毛状体底是单细胞的。油房间在上面的外皮是在场的。描述的新石块种有Lauraceae的特征，特别地现存的类MachilusRumphius前Nees，并且它很类似于Machiluschinensis(本瑟姆)Hemsley，在南部的中国和越南散布的现存的种。因此，Machilusmaomingensissp。nov。被推断住在温暖、潮湿的气候。现在的石块的发现显示那Machilus在华南存在从至少始新世。

简介：Harmfulalgalblooms(HABs)haveledtoextensiveecologicalandenvironmentalissuesandhugeeconomiclosses.VariousHABcontroltechniqueshavebeendeveloped,andbiologicalmethodshavebeenpaidmoreattention.Algicidalbacteriaisageneraldesignationforbacteriawhichinhibitalgalgrowthinadirectorindirectmanner,andkillordamagethealgalcells.AmetabolitewhichisstronglytoxictothedinoflagellateAlexandriumtamarensewasproducedbystrainDH46ofthealga-lysingbacteriumAlteromonassp.Thecultureconditionswereoptimizedusingasingle-factortestmethod.Factorsincludingcarbonsource,nitrogensource,temperature,initialpHvalue,rotationalspeedandsalinitywerestudied.Theresultsshowedthatthecultivationofthebacteriaat28℃and180rmin-1withinitialpH7and30saltcontcentrationfavoredboththecellgrowthandthelysingeffectofstrainDH46.TheoptimalmediumcompositionforstrainDH46wasdeterminedbymeansofuniformdesignexperimentation,andthemostimportantcomponentsinfluencingthecelldensityweretryptone,yeastextract,solublestarch,NaNO3andMgSO4.Whenthefollowingculturemediumwasused(tryptone14.0g,yeastextract1.63g,solublestarch5.0g,NaNO31.6g,MgSO42.3gin1L),thelargestbacterialdryweight(7.36gL-1)wasobtained,whichwasanenhancementof107%comparedtotheinitialmedium;andthealgallysisratewasashighas98.4%whichincreasednearly10%afteroptimization.

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简介：Amutant(GQQ-M6)ofaSponge-Derivedstreptomycessp.GQQ-10obtainedbyUV-inducedmutationwasusedforproducingprodiginines(PGs).Singlefactorexperimentsandorthogonalarraydesign(OAD)methodswereemployedformediumoptimization.Inthesinglefactormethod,theeffectsofsolublestarch,glucose,soybeanflour,yeastextractandsodiumacetateonPGsproductionwereinvestigatedindividually.InthesubsequentOADexperiments,theconcentrationsofthese5keynutritionalcomponentscombinedwithsalinitywerefurtheradjusted.ThemutantstrainGQQ-M6gavea2.2-foldhigherPGsproductionthanthatoftheparentstrain;OADexperimentsofferedaPGsyieldof61mgL-1,whichwas10timeshigherthanthatoftheinitialGQQ-10strainundertheoriginalcultivationmode.