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首页 Origin and evolutionary plasticity of the gastr…

Origin and evolutionary plasticity of the gastric caecum in sea urchins (Echinodermata Echinoidea).doc

Origin and evolutionary plastic…

上传者: 初夏知音 2018-04-30 评分 0 0 0 0 0 0 暂无简介 简介 举报

简介:本文档为《Origin and evolutionary plasticity of the gastric caecum in sea urchins (Echinodermata Echinoidea)doc》,可适用于高等教育领域,主题内容包含Originandevolutionaryplasticityofthegastriccaecuminseaurchins(Echinodermat符等。

Originandevolutionaryplasticityofthegastriccaecuminseaurchins(EchinodermataEchinoidea)ZiegleretalBMCEvolutionaryBiology,:Originandevolutionaryplasticityofthegastriccaecuminseaurchins(Echinodermata:Echinoidea)AlexanderZiegler*,RichMooi,GauthierRolet,ChantalDeRidderAbstractBackground:ThedigestivetractofmanymetazoaninvertebratesischaracterizedbythepresenceofcaecaordiverticulathatservesecretoryandorabsorptivefunctionsWiththedevelopmentofvariousfeedinghabits,distinctivedigestiveorgansmaybepresentincertaintaxaThisalsoholdstrueforseaurchins(Echinodermata:Echinoidea),inwhichahighlyspecializedgastriccaecumcanbefoundinmembersofaderivedsubgroup,theIrregularia(cakeurchins,seabiscuits,sanddollars,hearturchins,andrelatedforms)Assuchaspecializedcaecumhasnotbeenreportedfrom“regular”seaurchintaxa,theaimofthisstudywastoelucidateitsevolutionaryoriginResults:Usingmorphologicaldataderivedfromdissection,magneticresonanceimaging,andextensiveliteraturestudies,wecomparethedigestivetractofechinoidspeciesbelongothefeedingprocessanditsmachwithoutfestoonsisinsupportofapotentiallydynamicsExtendedcomparativehistologicalanalysescloserelationshipbetweentheSalenioidaandtheIrrewillbenecessarytoelucidateanypotentialusefulnessofgulariaThemorphologyoftheanteriorstomachinseathegastriccaecumin‚regulareuechinoidswithregardurchinsprovidesanumberofcharacterswithphylogetofeedingornutrientabsorptionneticsignal(seeTableforacharactermatrix):Oncepresent,thegastriccaecumwasmodifiedduringAnteriorstomachextendsintoambulacraIandII:evolution,withanumberofsignificantchangesin‚reguabsent()(FigureA)present()(FigureG)larandirregularseaurchinsbecomingapparent:(i)Stomachfestoons:absent()(FigureL)presentreductionofstomachfestoonsandfusionoftheadditional()(FigureC)festoonwiththelateraldilation(Arbacioida,Salenioida)NumberoffestoonsinambulacrumIII:one()(ii)fusionoftheadditionalfestoonwiththelateraldilation(FigureC)two()(FigureD)(Temnopleuroida,someEchinoida)(iii)specializationofFestoonsinambulacrumIII:separate()(Figurethelateraldilationintoathinwalled,fluidfilled,semiF)fused()(FigureG)transparentpouchalwaysfreeofsediment(Irregularia)Stomachsacculatedatabaxialedge:absent()(Fig(iv)divisionofthesinglepouchintonumerousfingerlikeureC)present()(FigureL)sacsandfurtherreductionintograpelikenodules(someGastriccaecum:absent()(FigureB)present()CassiduloidaandClypeasteroida)(v)enlargementofthe(FigureE)pouchcombinedwithashiftoftheopeningtowardstheShapeofgastriccaecum:dilation()(FigureH)anterior(someCassiduloida,Atelostomata),andfinally(vi)singlepouch()(FigureA)multiplepouches()(FigshiftingoftheaxisoforientationofthepouchfromanureC)axisalongAmbIIIIAmbtoIAmbAmbI(someShapeofmultiplepouches:fingerlike()(FigureHolasteroidaandSpatangoida)C)grapeshaped()(FigureE)PageofZiegleretalBMCEvolutionaryBiology,:Mesenterialsuspensionofgastriccaecum:alongstereomicroscopeequippedwithadigitalcameraforaxisfromambulacrumIIItointerambulacrum()documentation(FigureJ)alongaxisfrominterambulacrumtoambulacrumI()(FigureK)MagneticresonanceimagingPositionofconnection(s)betweengastriccaecumMagneticresonanceimagingwasperformedusingtheandanteriorstomachwithregardtothegastriccaecum:methodsdescribedin,,Imagingwascarriedmedian()(FigureA)anteriorly()(FigureI)outinBerlinandWürzburg,GermanyusinghighfieldMacroscopicappearanceofgastriccaecum:undifsmallanimalMRIscannersequippedwithT,T,ferentiatedfromstomach()(FigureB)thinwalled,andTsuperconductingelectromagnets,respecsemitransparent()(FigureM)tivelyTheresolutionofthedatasetsacquiredvariedStomachendsfusedinambulacrumIII:absent()between~(μm)and(μm)forDprotocolsand(FigureE)present()(FigureA)wasμmorμmforthe(FigureE)adaxial()(FigureA)PositionofdilationinambulacrumIII:lateral()DprotocolsemployedTablesandlisttionsachievedforeveryspeciesanalyzedbyMRIImagetheresoluprocessingwascarriedoutusingImageJq(NIH,USA)anditsVolumeViewerpluginUnfortunately,weConclusionsThepresentstudyconstitutesacontributiontowardsarecurrentlyunabletoprovidetherawimagedatabetterunderstandingofdigestivetractstructuresinseaonlineduetothelackofacentralizedrepositoryforurchinsfromanevolutionaryperspectiveOurdatadigitalmorphologicaldata(seefordiscussion)permitidentificationoftherelevanttransformationalstagesinthecourseoftheevolutionofthehighlyspeDmodellingandvisualizationcializedgastriccaecumpresentinthederivedSpatanDimagereconstructionandmodellingwereperformedgoidaAccordingtoourfindings,theseaurchingastricusingthemethodsdescribedin,,TheinteraccaecumconstitutesasynapomorphyoftheEuechinoitiveDmodelsinFigurewereembeddedusingthedeaItsoccurrencein‚regulareuechinoidsislinkedAdobeDReviewersoftware(partoftheAdobeAcrotothepresenceofanadditionalfestoonoftheanteriorbatProExtendedsuite)accordingtoproceduresstomachinAmbIIIBothstructures,theadditionaldescribedinAllfigureswerearrangedandfestoonandthegastriccaecum,areabsentintheassembledusingAdobePhotoshopCSandAdobeCidaroidaSincethedegreeofspecializationofthegasIllustratorCStriccaecumismostpronouncedinthepredominantlysedimentburrowingirregulartaxa,wehypothesizethatListofabbreviationsuseditsevolutioniscloselylinkedtothedevelopmentofD:twodimensionalD:threedimensionalAAD:AustralianAntarcticmoreelaborateinfaunallifestylesWeprovideacomDivision,Kingston,AustraliaAM:AustralianMuseum,Sydney,AustraliaCASIZ:CaliforniaAcademyofSciencesInvertebrateZoology,SanFrancisco,prehensivestudyoftheoriginandevolutionaryplastiUSAMNHN:MuséumNationaledelaHistoireNaturelle,Paris,FranceMRI:cityofaconspicuousdigestivetractstructure,themagneticresonanceimagingNHM:NaturalHistoryMuseum,London,gastriccaecum,inamajortaxonoftheextantinverteUnitedKingdomNHMW:NaturhistorischesMuseum,Wien,AustriaNIWA:NationalInstituteofWaterAtmosphericResearch,Wellington,NewbratemacrozoobenthosZealandUSNM:NationalMuseumofNaturalHistory,WashingtonDC,USAZMB:SystematischeZoologieamMuseumfürNaturkunde,Berlin,GermanyZMH:ZoologischesInstitutundMuseum,Hamburg,GermanyZSM:MethodsZoologischeStaatssammlung,München,GermanySpeciesusedinthisstudyThespecimensreferredtointhisstudyarelistedinAcknowledgementsTablesandtogetherwithinformationonthesysTheauthorsthankSusanneMueller(CharitéUniversitätsmedizin,Berlin,Germany),CorneliusFaber(UniversitätsklinikumMünster,Germany),andLeiftematicclassificationofeachspecies,thesourceoftheSchröder(LeibnizInstitürMolekularePharmakologie,Berlin,Germany)fordatausedinthestudy,specimenIDwhereapplicable,continuedMRIsupportWearegratefultoNadiaAméziane(MNHN),OwenandliteraturereferencesThefreshlyfixedspecimensAnderson(NIWA),AndrewCabrinovic(NHM),DannyEibyeJacobsen(ZMK),TyHibberd(AAD),StephenKeable(AM),CarstenLüter(ZMB),AndreasKrohwerecollectedinElba(Italy),Heligoland(Germany),(NHMW),ClausNielsen(ZMK),DavidPawson(USNM),BernhardSydneyHarbour(Australia),DiscoveryBay(Jamaica),Ruthensteiner(ZSM),AndreasSchmidtRhaesa(ZMH),andAndrewSmithNewCaledonia(France)orwerepurchasedfromaqua(NHM)forgeneroussupplyofseaurchinmuseumspecimensWealsothankPeterJumars(DarlingMarineCenter,Walpole,USA)forgrantingaccesstoriumsupplycompaniesThesystematicclassificationsunpublisheddataonBrisasterlatifronsgatheredbyStephenBSampsonWearebaseduponresultsobtainedbyaregratefultoMariaByrne(UniversityofSydney,Australia)andAshleyMiskelly(Blackheath,Australia)forintroducingoneofus(AZ)totheAustralianechinoidfaunaWewouldalsoliketothankSalouaM’ZoudiDissectionandphotography(UniversitéLibredeBruxelles,Belgium)fortechnicalassistancewithDissectionwasperformedonfreshlyfixedaswellashistologicalanalysesCommentsfromtwoanonymousreviewershelpedtomuseumspecimensunderdirectobservationthroughaimprovethemanuscriptWearegratefultoAndreasZiegler(CharitéPageofZiegleretalBMCEvolutionaryBiology,:LudwigH,HamannO:DieSeeigelDrHGBronn’sKlassenundOrdnungenUniversitätsmedizin,Berlin,Germany)forcriticalreadingofthemanuscriptThisarticleisacontributionoftheCentreInteruniversitairedeBiologiedesThierReichsBand,Abtheilung,BuchLeipzig:CFWinter’scheMarine(CIBIM)VerlagshandlungSaucèdeT,MooiR,DavidB:PhylogenyandoriginofJurassicirregularechinoids(Echinodermata:Echinoidea)GeologicalMagazine,Authordetails:InstitürImmungenetik,CharitéUniversitätsmedizinBerlin,Thielallee,TiedemannF:AnatomiederRöhrenHolothurie(Holothuriatubulosa),desBerlin,GermanyCaliforniaAcademyofSciences,GoldenGatePark,PomerantzfarbigenSeesterns(Astropectenaurantiacus)unddesSteinMusicConcourseDrive,SanFrancisco,California,,USALaboratoireSeeigelsdeBiologieMarine,UniversitéLibredeBruxelles,avenueFDRoosevelt,(Echinussaxatilis)Landshut:JosephThomannscheBuchdruckerei,VerlagderBruxelles,BelgiumValentinGG:LandshuterZeitungAnatomiedugenreEchinusInLivraisondesMonographiesd’Authors’contributionsÉchinodermesvivantsetfossilesEditedby:AgassizLNeuchâtel:Petitpierre:AZdesignedandcoordinatedthestudy,carriedoutdissectionsandBonnetA:Recherchessurl’appareildigestifetabsorbantdequelquesspecimenphotography,performedliteraturesearch,preparedspecimensforMRIscanning,scannedspecimens,carriedoutDmodelling,andwrotetheéchinidesréguliersAnnalesdel’InstitutOcéanographique,:manuscriptRMcarriedoutdissectionsandspecimenphotographyGRMcRaeA:Evechinuschloroticus(Val),anendemicNewZealandechinoidperformeddissectionaswellasliteraturesearchCDcarriedoutdissection,TransactionsoftheRoyalSocietyofNewZealand,:literaturesearchandhistologicalanalysesCDandRMcontributedtowritingLewisJB:FeedinganddigestioninthetropicalseaurchinDiademathemanuscriptAllauthorsreadandapprovedofthefinalversionantillarumPhilippiCanadianJournalofZoology,:ZieglerA,FaberC,MuellerS,BartolomaeusT:SystematiccomparisonandCompetinginterestsreconstructionofseaurchin(Echinoidea)internalanatomy:anovelTheauthorsdeclarethattheyhavenocompetinginterestsapproachusingmagneticresonanceimagingBMCBiology,:HollandND,LauritisJA:ThefinestructureofthegastricexocrinecellsofReceived:JulyAccepted:Octoberthepurpleseaurchin,StrongylocentrotuspurpuratusTransactionsofthePublished:OctoberAmericanMicroscopicalSociety,:PowisdeTenbosscheT:ComportementalimentaireetstructuresdigestivesdeParacentrotuslividus(Lamarck)(EchinodermataReferencesEchinoidea)DiplomathesisUniversitéLibredeBruxellesSchmidtRhaesaA:IntestinalsystemsInTheevolutionoforgansystemsHollandND,GhiselinMT:Magneticresonanceimaging(MRI)hasfailedtoEditedby:SchmidtRhaesaAOxford:OxfordUniversityPress:distinguishbetweensmallergutregionsandlargerhaemalsinusesinMoyesCD,SchultePM:PrinciplesofanimalphysiologyNewYork:Benjaminseaurchins(Echinodermata:Echinoidea)BMCBiology,:CummingsPublishingCompanyLovénS:EchinologicaBihangtillKoniglikaSvenskaVetenskapsAkademiensFankbonerPV:DigestivesystemsofinvertebratesEncyclopediaofLifeHandlingar,:SupplSciencesChichester:JohnWileySonsLtdZieglerA:NoninvasiveimagingandDvisualizationtechniquesfortheHollandND,GhiselinMT:AcomparativestudyofgutmucouscellsinstudyofseaurchininternalanatomyPhDthesisFreieUniversitätBerlinthirtysevenspeciesoftheclassEchinoidea(Echinodermata)BiologicalBulletin,:ZieglerA,FaberC,BartolomaeusT:ComparativemorphologyoftheaxialDeRidderC,JangouxM:Digestivesystems:EchinoideaInEchinodermcomplexandinterdependenceofinternalorgansystemsinseaurchinsnutritionEditedby:JangouxM,LawrenceJMRotterdam:AABalkema(Echinodermata:Echinoidea)FrontiersinZoology,::AgassizA,ClarkHL:HawaiianandotherPacificEchiniTheSalenidae,JensenM:DigestivesystemofechinoidsInEchinodermsthroughtimeArbaciadae,Aspidodiadematidae,andDiadematidaeMemoirsoftheEditedby:DavidB,GuilleA,FéralJP,RouxMRotterdam:AABalkemaMuseumofComparativeZoology,::ProuhoH:RecherchessurleDorocidarispapillataetquelquesautresDeRidderC,LawrenceJM:Foodandfeedingmechanisms:EchinoideaInéchinidesdelaMéditerranéeArchivesdeZoologieExpérimentaleetEchinodermnutritionEditedby:JangouxM,LawrenceJMRotterdam:AAGénérale,:Balkema:SchurigW:AnatomiederEchinothuridenInWissenschaftlicheErgebnisseHoffmannCK:ZurAnatomiederEchinenundSpatangenNiederländischesderdeutschenTiefseeExpeditionaufdemDampfer„ValdiviaArchivfürZoologie,:FünfterBand,dritteLieferungEditedby:ChunCJena:Fischer:KoehlerR:RecherchessurleséchinidesdescôtesdeProvenceAnnalesAgassizA,ClarkHL:HawaiianandotherPacificEchiniTheduMuséed’HistoireNaturelleMarseilleZoologie,(Suppl):EchinothuridaeMemoirsoftheMuseumofComparativeZoology,LawrenceJM:AfunctionalbiologyofechinodermsBaltimore:JohnsHopkins:UniversityPressAgassizA:ReportontheEchinoidea,dredgedbyHMSChallengerDeRidderC:LanutritionchezleséchinodermespsammivoresÉtudeduringtheyearsInReportonthescientificresultsofthevoyageparticulièreduspatangidefouisseur,Echinocardiumcordatum(Pennant)ofHMSChallengerduringtheyearsEditedby:WyvilleThomsonC(Echinodermata,Echinoidea)PhDthesisUniversitéLibredeBruxellesLondon:Longman:DeRidderC,JangouxM:ThedigestivetractofthespatangoidechinoidClarkHL:HawaiianandotherPacificEchiniThePedinidae,Echinocardiumcordatum(Echinodermata):morphofunctionalstudyActaPhymosomatidae,Stomopneustidae,Echinidae,Temnopleuridae,Zoologica(Stockholm),:Strongylocentrotidae,andEchinometridaeMemoirsoftheMuseumofAgassizA:RevisionoftheEchiniIllustratedCatalogueoftheMuseumofComparativeZoology,:ComparativeZoology,MortensenT:IIIAulodontaAMonographoftheEchinoideaCuénotL:Anatomie,éthologieetsystématiquedeséchinodermesInCopenhagen:CAReitzelTraitédeZoologie,VolumeEditedby:GrasséPPParis:MassonCamposLS,MouraRB:Macrostructureandevolutionofthedigestive:systeminEchinoida(Echinodermata)Zoomorphology,:ThorsenMS:Microbialactivity,oxygenstatusandfermentationintheCoeWR:EchinodermsofConnecticutConnecticutStateGeologicalandgutoftheirregularseaurchinEchinocardiumcordatum(Spatangoida:NaturalHistorySurveyBulletin,:Echinodermata)MarineBiology,:AiyarRG:SalmacisTheIndianseaurchinInTheIndianZoologicalThorsenMS:AbundanceandbiomassofthegutlivingmicroorganismsMemoirsonIndianAnimalTypesEditedby:BahlKNLucknow:Lucknow(bacteria,protozoaandfungi)intheirregularseaurchinEchinocardiumPublishingHouse:cordatum(Spatangoida:Echinodermata)MarineBiology,ZieglerA,AngensteinF:AnalysevonSeeigeln(Echinoidea)mitHilfeder:bildgebendenMagnetresonanztomographieMikrokosmos,:HenryV:ÉtudedesfermentsdigestifschezquelquesinvertébrésComptesrendusdelaSociétédeBiologie,:PageofZiegleretalBMCEvolutionaryBiology,:PerrierE:Recherchessurl’appareilcirculatoiredesoursinsArchivesdeWagnerJ:AnatomiedesPalaeopneustesniasicusInWissenschaftlicheZooloogieExperimentaleetGénérale,:ErgebnissederDeutschenTiefseeExpeditionaufdemDampfer„ValdiviaChadwickHC:EchinusLiverpoolMarineBiologyCommitteeMemoirIIIFünfterBand,ersteLieferungEditedby:ChunCJena:Fischer:Liverpool:UniversityPressGladfelterWB:GeneralecologyofthecassiduloidurchinCassidulusMacBrideEW:EchinodermataTheCambridgeNaturalHistoryLondon:caribbearumMarineBiology,:Macmillan,KükenthalWG:LeitfadenfürdaszoologischePraktikumAuflageJena:MortensenT:IV,ClypeasteroidaClypeasteridae,Arachnoidae,Fibulariidae,LaganidaeandScutellidaeAMonographoftheEchinoideaGustavFischerCopenhagen:CAReitzelFoxR:StrongylocentrotusdroebachiensisGreenseaurchinInvertebrateMooiR,PimentelF:Fromlargetosmalltolarge:phylogeneticAnatomyOnLinesanddollarsandtheirtinyrelativesIntegrativestrongylocentrotushtmlandComparativeBiology,:StrengerA:Sphaerechinusgranularis(VioletterSeeigel),AnleitungzurRomanJ:MorphologieetévolutiondesEchinolampas(EchinidesmakroskopischenundmikroskopischenUntersuchungInGroßesCassiduloides)MémoiresduMuséumNationald’HistoireNaturelle,SérieCZoologischesPraktikum,BandEditedby:SiewingRStuttgart:Fischer,::MooiR:Paedomorphosis,Aristotle’slantern,andtheoriginofthesandHymanLH:IVEchinodermataTheInvertebratesNewYork:McGrawHilldollars(Echinodermata:Clypeasteroida)Paleobiology,:BookCo,SuterS:Cladisticanalysisofcassiduloidechinoids:tryingtoseetheWestergrenAM:EchinoneusandMicropetalonEchiniReportsonthephylogenyforthetreesBiologicalJournaloftheLinneanSociety,scientificresultsoftheexpedition„AlbatrossMemoirsoftheMuseumof:ComparativeZoology,()KrohA,SmithAB:ThephylogenyandclassificationofpostPalaeozoicKoehlerR:ÉchinidesduMuséeIndienàCalcuttaIIClypeasteridésetechinoidsJournalofSystematicPalaeontology,:CassidulidésEchinodermaoftheIndianMuseum,PartVIIIEchinoidea(II)JensenM:MorphologyandclassificationofEuechinoideaBronn,Calcutta:OrderoftheTrusteesoftheIndianMuseumacladisticanalysisVidenskabeligeMeddelelserfraDanskNaturhistoriskCuénotL:ÉtudesmorphologiquessurleséchinodermesArchivesdeForeningiKjobenhavn,:Biologie(Paris,Bruxelles),:JensenM:FunctionalmorphologyandsystematicsofspatangoidsKoehlerR:EchinodermaI:Asteroidea,OphiuroideaetEchinoideaIn(Euechinoidea)InEchinodermBiologyEditedby:BurkeRD,MladenovPV,BeiträgezurKenntnisderMeeresfaunaWestafrikasEditedby:MichaelsenWLambertPRotterdam:AABalkema:Hamburg:Friederichsen:LittlewoodDTJ,SmithAB:AcombinedmorphologicalandmolecularMitchellBP:RediscoveryofGregory`sdiverticuluminthescutellidsandphylogenyforseaurchins(Echinoidea:Echinodermata)PhilosophicaldollarsMScthesisWesternWashingtonUniversityTransactionsoftheRoyalSocietyBBiologicalSciences,:ReismanAW:ThehistologyandanatomyoftheintestinaltractofAxP:EchinodermataInMulticellularanimalsEditedby:AxPHeidelberg:Dendrasterexcentricus,aclypeasteroidechinoidPhDthesisUniversityofSpringer:CaliforniaLosAngelesMooiR,ConstableH,LockhartS,PearseJ:EchinothurioidphylogenyandChiaFS:Sanddollar:aweightbeltforthejuvenileScience,thephylogeneticsignificanceofKamptosoma(Echinoidea::Echinodermata)DeepSeaResearchII,:TimkoPL:Sanddollarsassuspensionfeeders:anewdescriptionofSmithAB:TheEchinoidDirectory,:echinoidsChiaFS:Selection,storageandeliminationofheavysandparticlesbyStockleyB,SmithAB,LittlewoodT,LessiosHA,MackenzieDoddsJ:thejuvenilesanddollar,Dendrasterexcentricus(Eschscholtz)InPhylogeneticrelationshipsofspatangoidseaurchins(Echinoidea):taxonProceedingsofthethInternationalEchinodermConferenceGalwayEditedsamplingdensityandcongruencebetweenmorphologicalandby:KeeganBF,O’ConnorBDSRotterdam:AABalkema:molecularestimatesZoologicaScripta,:MooiR,ChenCP:Weightbelts,diverticula,andthephylogenyoftheSmithAB,PisaniD,MackenzieDoddsJA,StockleyB,WebsterBL,sanddollarsBulletinofMarineSciences,:LittlewoodDTJ:Testingthemolecularclock:molecularandAgassizL:DesScutellesInLivraisondesMonographiesd’ÉchinodermespaleontologicalestimatesofdivergencetimesintheEchinoideavivantsetfossilesEditedby:AgassizLNeuchâtel:Petitpierre:(Echinodermata)MolecularBiologyandEvolution,:ZieglerA,BartolomaeusT,MuellerS:Seaurchin(Echinoidea)anatomyFoxR:MellitaquinquiesperforataSanddollarInvertebrateAnatomyrevealedbymagneticresonanceimagingandDvisualizationInMortensenT:Echinoidea,PartTheDanishIngolfExpedition,Echinoderms:DurhamEditedby:HarrisLG,BoettgerSA,WalkerCW,LesserMPBocaRaton:CRCPress:KoehlerR:ÉchinidesduMuséeIndienàCalcuttaISpatangidésZieglerA,MuellerS:AnalysisoffreshlyfixedandmuseuminvertebrateEchinodermaoftheIndianMuseum,PartVIIIEchinoidea(I)Calcutta:Orderofspecimensusinghighresolution,highthroughputMRIInInvivoNMRtheTrusteesoftheIndianMuseumimaging:methodsandprotocolsEditedby:FaberC,SchröderLNewYork:ChesherRH:ThesystematicsofsympatricspeciesinWestIndianHumanaPressspatangoids:arevisionofthegeneraBrissopsis,Plethotaenia,ZieglerA,OgurreckM,SteinkeT,BeckmannF,ProhaskaS,ZieglerA:Paleopneustes,andSaviniasterStudiesinTropicalOceanography,OpportunitiesandchallengesfordigitalmorphologyBiologyDirect,::RuthensteinerB,HessM:EmbeddingDmodelsofbiologicalspecimensKaburekM,HilgersH:TheaxialhydrocoelcomplexoftheendemicMediterraneanhearturchinSchizastercanaliferus(Echinoida:inPDFpublicationsMicroscopyResearchandTechnique,:Spatangoida)InEchinodermResearchEditedby:CandiaCarnevaliD,KumarP,ZieglerA,ZieglerJ,UchanskaZieglerB,ZieglerA:GraspingBonasoroFRotterdam:AABalkema:molecularstructuresthroughpublicationintegratedDmodelsTrendsHamannO:BeiträgezurHistologiederEchinodermen,HeftAnatomieinBiochemicalSciences,:undHistologiederEchinidenundSpatangidenJenaischeZeitschriftfürKumarP,ZieglerA,GrahnA,HeeCS,ZieglerA:LeavingthestructuralNaturwissenschaften,:ivorytower,assistedbyDPDFTrendsinBiochemicalSciences,ChesherRH:ContributionstothebiologyofMeomaventricosa:(Echinoidea:Spatangoida)BulletinofMarineScience,:doi:DeRidderC,JangouxM,DeVosL:DescriptionandsignificanceofaCitethisarticleas:Ziegleretal:Originandevolutionaryplasticityofpeculiarintradigestivesymbiosisbetweenbacteriaandadepositthegastriccaecuminseaurchins(Echinodermata:Echinoidea)BMCfeedingechinoidJournalofExperimentalMarineBiologyandEcology,EvolutionaryBiology:
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