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FinalScheduleofEvents

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PASEDB-3rdBiennialMeetingJuly30–August3,2019

LocalOrganizers:AthulaWikramanayake,ChrisAmemiya,LesliePick&BillieSwallaTuesday,July302-6PM Arrive,CheckinandRegistration,reg.deskatShalalaCenter4-5PM PASEDBExecutiveCouncilMeeting27Dinner4:30–6:30PMforconferencemealplanparticipants

PASEDBAWARDS PASEDBA PASEDBWelcome–BillieSwalla,PASEDBPresident6:00PM RudyRaffPioneersAwardPresentation:EhabAbouheif

MaryJaneWest-Eberhard,SmithsonianTropicalResearchInstituteRalfJ.Sommer,Max-PlanckInstituteforDevelopmentalBiology,Tuebingen,Germany"Fromalternativephenotypestonatureandnurture-MaryJaneWest-Eberhardandherjourneytowardsatruedevelopmentalevolutionarybiology"

7:00PM YoungInvestigator’sAwardPresentationandLecture:JuliaBoughnerKimCooper,UniversityofCaliforniaatSanDiego“How(andwhy)thejerboagotitslongfeet”

8-10PM OpeningReceptionWednesday,July31ThuApril28Breakfast7-9:00AMforconferencemealplanparticipantsPlenarySessionI:“TheJournalofExperimentalZoology(JEZ)anditsroleinthebirthofDevo-Evo”ASymposiumhonoringGünterWagner8:30-10:00AMChair–ChrisAmemiya8:30AM ManfredLaubichler,ArizonaStateUniversity “Developmentalevolutionasamechanisticscience2.0” 9:00AM TianaKohlsdorf,UniversityofSaoPaulo,Brazil “Limbdiversificationinmicroteiidlizards:morphology,ecologyand

development”

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9:30AM Chi-HuaChiu,KentStateUniversity “Hoxclusterevolutionintheray-finnedfishes” CoffeeBreak10-10:30AMLobby10:30AM AlexanderVargas,UniversidaddeChile "ReversionandDeepHomologyinDinosauria"11:00AM KarenCrow,SanFranciscoStateUniversity

“Howthedevilraygotitshorns:thegeneticbasisofbodyplanremodelinginmantaraysandtheirrelatives”

11:30AM VincentLynch,UniversityatBuffalo,SUNY “Revisitingtheroleoftranscriptionfactorsindevelopmental

evolution”Lunch11AM–1PMforcampusmealplanparticipantsSelectedAbstracts1:EvoDevoofMarineInvertebrates1:30-3:00PMChair–AthulaWikramanayake1:30PM JuanJiménez,IsadoraSantosde-Abreu,LaurelS.Hiebert,DavidSoares,

SilvanaAllodi,StefanoTiozzo,CintiaM.de-Barros,FedericoD.Brown“Circulatingstemcells,transientniches,andcolonialityintunicates”

1:45PM MinyanZheng,OlgaZueva,GregCary,AndrewWolff,VeronicaHinman

“Regrowingyourhead:regenerationoftheseastaranteriornervoussystem” 2:00PM CindyChou,Che-YiLin,Tzu-PeiFan,Kuang-TseWang,Yi-HsienSu,Jr-KaiYu

“Tracingtheevolutionaryoriginofchordatesomitesintheindirect-developinghemichordatePtychoderaflava”

2:15PM MarynaP.Lesoway,JonathanQ.Henry

“Sexchangeinmarinesnails:leveragingecotoxicologytoidentifydevelopmentalmechanisms”

2:30PM EvgenyIvashkin,ElenaE.Voronezhskaya,KristinE.Gribble “Rotiferneurogenesis:sosimpleandyetcomplex”2:45PM WilliamBrowne “Ctenophorephagocytebehaviorinresponsetomicrobialchallenge”PosterSessionI:3:00–5:00PMOddNumberPresentersatPosters*posterauthorsandtitlesareappendedtothisschedule

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Dinner4:30–6:30PMforconferencemealplanparticipants5:00–7:00PM EvoDevoinLatinAmericaWorkshop–

(CoxScienceCenterRoom145) (OrganizedbyFedericoBrown)MeetinformallytoencouragecollegialityanddiscussanyareasofconcernwithinEvo-DevoinLatin-America.Noneedtopre-register.8:00-10:00PM PeopleofColorinScienceWorkshop

(CoxScienceCenterRoom145)Aninformaldiscussiontoshareexperiences,discussanyareasofconcernandtosupportself-identifiedPeopleofColorintheEvo-Devofield.Noneedtopre-registerThursday,August1Sunday,May1Breakfast7-9:00AMforconferencemealplanparticipantsPlenarySessionII:8:30-10:00AMEvolutionofDevelopmentalGeneNetworksChair–RodrigoNunesdaFonseca30888888:30AM RajendhranRajakumar,HarvardUniversity

“Socialregulationofarudimentaryorgangeneratescomplexworker-caste systemsinants”

9:00AM PatriciaSchneider,UniversidadeFederaldoPará,Brazil

“Emergingmodelsofduplicationandlossofeyestructures:theamazonianfour eyedfish(Anablepsanableps)andthesubterraneancatfish(Phreatobius cisternarum)”

9:30AM WenhengZhang,VirginiaCommonwealthUniversity

“Evolutionanddevelopmentoffloralzygomorphy”CoffeeBreak10-10:30AMLobbySelectedAbstracts2:EvoDevoMechanisms10:30AM-12:00PMChair–TamaraFranz-Odendaal10:30AM BrianEames “OrganizationandevolutionofskeletalcellGRNs”10:45AM PavelFederenchikandDaleFrank “EvolutionofMEIStranscriptionfactoractivityduringmetazoanneural

Development”

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11:00AM SofiaCasasaandErikJRagsdale “Evolutionofanuclearreceptor-mediatedmechanismregulating developmentalplasticity”

11:15AM SusanGautam,StephanieBurr,RyanC.Range

“Evolutionofanterior-posterioraxisspecificationandpatterning:insightsfrom theseaurchinembryo”

11:30AM HongyanSun,KurtStatz-Geary,AthulaWikramanayake

“EvolutionofAxinfunctionintheWnt/β-cateninsignalingpathwayin metazoans:InsightsfromthecnidarianNematostellavectensis”

11:45AM NicolasRohner “Metabolicadaptationandresiliencyincavefish”Lunch11AM–1PMforcampusmealplanparticipantsSelectedAbstracts3:OntheWingsofEvoDevo1:30-3:00PMChair–SofiaCasasa1:30PM JeffreyMarcus

“Evo-Devoofbutterflywingpatterns”1:45PM ArnaudMartin

“Anevo-devolaboratorycourseforundergradsusingCRISPRinbutterfliesandfrogs”

2:00PM BrianCounterman,Luis-Fernando,Rodriguez-Caro,ShivamBhardwaj,Jared

Cole,JenniferFenner“Genetics of scale development and sexual dimorphism on butterfly wings”

2:15PM CeraRFisher,ElizabethL.Jockusch

“Wing-networkco-optionunderliestheevolutionofthetreehopperhelmet,amorphologicalnovelty”

2:30PM VikramChandra,IngridFetter-Pruneda,PeterOxley,AmeliaRitger,Sean

McKenzie,RomainLibbrecht,DanielKronauer“Social regulation of insulin signaling and the evolution of eusociality in ants”

2:45PM H.FrederikNijhout,KennethZ.McKenna “EvoDevoofWingShape”PosterSessionII: 3:00–5:00PMEvenNumberPresentersatPosters*posterauthorsandtitlesareappendedtothisschedule

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Dinner4:30–6:30PMforconferencemealplanparticipants5:00–7:00PM EvoDevoEducationWorkshop

(CoxScienceCenterRoom126)(OrganizedbyPrashantSharma)

WorkshoptoexplorecreativewaystoteachEvoDevoConceptsandIdeas8:00-10:00PM LGBTQinScienceWorkshop

(CoxScienceCenterRoom126) (OrganizedbySofiaCasasa&TamaraFranz-Odendaal)Aninformaldiscussiontoshareexperiences,discussanyareasofconcernandtosupportself-identifiedLGBTQ+peopleintheEvo-Devofield.Noneedtopre-register.Friday,August2Friday,April29Breakfast7-9:00AMforconferencemealplanparticipantsPlenarySessionIII:EvoDevoofInnovations8:30-10:00AMChair–LesliePick8888:30AM YaowuYuan,UniversityofConnecticut

“Thegeneticbasisanddevelopmentalmechanismsofphenotypic diversification,integration,andinnovationinmonkeyflowers”

9:00AM LeslieBabonis,WhitneyMarineLab,UniversityofFlorida “Parallelevolutionofnovelcelltypesatthebaseoftheanimaltreeoflife”9:30AM PrashantSharma,UniversityofWisconsin

“DisruptionofcanonicalWntsignalinginaspiderrevealsanon-canonical responseoftheWnt8-caudalcassetteinposteriorsegmentation”

CoffeeBreak10-10:30AMLobbySelectedAbstracts4:ChordateEvolutionandDevelopment10:30AM-12:00PMChair–DanielMedeiros10:30AM TakayukiOnai,FumiakiSugahara,NoritakaAdachi “Mesodermformationinlampreysandtheevolutionofthevertebratehead”

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10:45AM BriannaPreskin,KatrinHenke,StephenTreaster,MichelBagnat,GloriaArratia,MatthewP.Harris“Revealingthehiddenfoundations:phylogeneticidentityofthevertebralaxisimpartedbynotochordalsignals”

11:00AM HirokiOno,DemianKoop,LindaHolland

“NodalandHedgehogcooperateingillslitformationduringdevelopmentofthecephalochordateBranchiostomafloridae”

11:15AM RuiDiogo

“EvolutionaryDevelopmentalBiology(Evo-Devo-Path):linkingevolution, development,anatomicalvariationsandanomalies,andmedicine”

11:30AM AidanMCCouzens,KarenESears,MartinRücklin

“Usingcomputermodellingtoexaminetheroleofdevelopmentalinnovationintheoriginsofcomplexmammalianteeth”

11:45AM RoryL.Cooper,VictoriaJ.Lloyd,NicolasDi-Poï,AlexanderG.Fletcher,Paul

M.Barrett,GarethJ.Fraser“Conservedgenesignalingandaderivedpatterningmechanismunderliesthedevelopmentofavianfootpadscales”

Lunch11AM–1PMforcampusmealplanparticipantsSelectedAbstracts5:GenomeEvoDevo1:30-3:00PMChair–VeronicaHinman1:30PM IngoBraasch,AndrewW.Thompson,MauricioLosilla,Allyse

Ferrara,TheGarGenomeConsortium,JohnH.Postlethwait“Odysseyofstrangefish:investigating‘ancientfish’genomesanddevelopmenttoilluminatevertebrateevolution”

1:45PM DanielaSosa-Peredo,AdrianaGaray-Arroyo,AaronCastillo,ElenaR.Álvarez-

Buylla,AlmaPiñeyro-Nelson“EvolutionandplasticityoftheGeneRegulatoryNetworkunderlyingtrichoblastformationinArabidopsisthaliana:asurveyof850worldwideaccessions”

2:00PM BinshuangLi,RyanDBickel,BenjaminJParker,NeethaNanoth

Vellichirammal,Jean-ChristopheSimon,David_L_Stern,andJenniferA.Brisson“Alargeinsertioncontainingaduplicatedfollistatingeneunderliesthepeaaphidmalewingdimorphism

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2:15PM IsabellaSchember,HasibaAsma,MarcS.Halfon

“StudyingGRNevolutionatdivergencetimesbeyondthepointofalignablegenomes”

2:30PM RiccardoPapa,StevenVanBelleghem,HeribertoCarbiaGutierrez,Edgardo

Santiago-Rivera,CarolinaConcha,OwenMcMillan,BrianCounterman“GenomicLogicUnderlyingMorphologicalDivergence”

2:45PM EdenW.McQueen,WilliamJ.Glassford,PeterAndolfatto,MarkRebeiz

“Dissectingthesharedanddivergentgeneticarchitecturesofanovelmalegenitalstructureandanovelfemalegenitalstructure”

CoffeeBreak3:00–3:30PMPosterSessionIII: 3:00–5:00PM 3:00–4:00PMOddNumberPresentersatPosters 4:00-5:00PMEvenNumberPresentersatPosters *posterauthorsandtitlesareappendedtothisscheduleDinner4:30–6:30PMforconferencemealplanparticipants5:00–6:00PM WomeninScienceWorkshop

(CoxScienceCenterRoom145) (OrganizedbyTamaraFranz-Odendaal)Informalroundtablediscussiononstrategiesfordevelopingyourcareer,andtoencouragenetworkingandsupportoneanother.Noneedtopre-register.PASEDBAWARDS PASEDBA6-7PM PASEDBPastPresidentAwardPresentation:JeffreyMarcus

KarenSears,UCLA “Developmentaloriginandevolutionofbats” 7-8PM PASEDBServiceAwardPresentation:BillieSwalla

ScottGilbert–SwathmoreCollege“TheEvo-DevoofHolobionts”

8-10PM ClosingReceptionSaturday,August3Saturday,ABreakfast7-9:00AMforconferencemealplanparticipantsBreakfast8-9:00AMPASEDBExecutiveCouncilMeeting-Starbucks,ShalalaCenterEveryoneincampushousingmustcheckoutandleaveby12:00Noon

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ABSTRACTS:Titles&PresentingAuthors

Forthefullabstract,allauthorsandaffiliations,seetheonlineversionat:http://www.evodevopanam.org/meeting-at-a-glance.htmlOdd-NumberedPostersPosterCategory:SkeletalElements,Limbs,Skulls&FeathersP.1:EmbryologicalandfunctionalperspectivesofunderstandingthediversityofscleralossiclesTamaraA.Franz-OdendaalP.3:ModulationofskullshapebysynchondrosesinEastAfricancichlidsPierreLePabicP.5:Theoriginsandco-evolutionofneuromuscularsystemsofpairedappendagesinbatoidsTetsuyaNakamura

P.7:DeepevolutionaryoriginoflimbandfinregenerationIgorSchneider

P.9:ExploringtheevolutionoftheamnioteforelimbmusculaturebystudyingitsembryologyDanielSmith-ParedesP.11:TranscriptionaldifferencesthatuncoupletheevolutionofvertebrateforelimbandhindlimbskeletalproportionAdityaSaxenaP.13:DevelopmentalsimilaritiesanddifferencesinconvergentphenotypesofmetatarsalfusionbetweenjerboaandchickenRioTsutsumiP.15:Fromthedepths:deepcomparativephylogenomicsinfishestoidentifygeneticmechanismsofevolution,developmentanddiseaseJacobM.DaaneP.17:Exploringmolecularfingerprintsofchondrichthyanskeletalcellstoreaffirmconservationofboneinvertebrates:doskateshaveosteoblasts?OghenevwogagaJ.AtakeP.19:FunctionalassessmentofaputativeSatb2enhancerunderconvergentacceleratedevolutioninthethylacineandwolfLauraE.CookP.21:UncoveringthedevelopmentalandmolecularbasisofcraniofacialconvergencebetweenthethylacineandcanidsAxelNewtonP.23:MorphologicalvariationandmolecularoriginationofChiropteranwingmembranesDanielJ.UrbanP.25:Shiningsynchrotronlightontothequestionofmolar/jawevo-devointegrationusingamousemodelJuliaC.BoughnerP.27:Mid-CretaceousamberembeddedfeathersilluminatetheevolutionarycomplexityofrachisShuoWangP.29:ChitinsynthasegeneevolutioninvertebratesDanielOcampo-Daza

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PosterCategory:Arthropod Innovations, Allometry, Wing & Horn DevelopmentP.31:OrthologyandphylostratigraphyunravelthecontributionofnewgenesinthedevelopmentofcheliceratesJesusA.BallesterosP.33:Thechemical,behaviouralanddevelopmentalbasisofcasteregulationinantsGiovannaDeBlasisP.35:It’sahorn,awing,ahelmet:theroleofwingserialhomologsininsectinnovationsYonggangHuP.37:Investigatingtheregulatorynetworkofoptixinitsrepeatedco-optionformultiplewingpatterntraitsacrossnymphalidbutterfliesMartikChatterjeeP.39:InvestigatingmorphologicalintegrationandmodularityofmembracidpronotaAnnaM.KudlaP.41:Geneticunderpinningsofnoveltraitdevelopmentwithinabeetle-fungalmutualismEllieSpahrP.43:Transitionsinallometryrevealsevolutionofworkercastepolymorphisminleaf-cutterantsAngellyVasquez

P.45:Exploringtheroleofinsulinsignalinginrelativegrowth:acasestudyonwing-bodyscalinginLepidopteraKennethZ.McKennaP.47:AsimpledevelopmentalmodelexplainsemergenttissuepatternsandwingmorphologiesfromawidediversityofextantandfossilizedinsectsSethDonougheP.49:FromFlyingPansiestorosaForms:HowplasticityshapesthedevelopmentofpigmentandstructuralcolorationonDogfacebutterflywingsJenniferFennerP.51:cis-regulatoryarchitectureofbutterflywingpatternevolutionAnyiMazo-VargasP.53:VestigialpatterningprovidesinsightsintotheevolutionarydiversityofinsectwingsizeKeityJ.FarfánP.55:Polyphenicgrowthandpatterninginthewingofthesoapberrybug,JaderahaematolomaDavidR.AngeliniP.57:GeneticbasisofommochromepigmentationinbutterflywingsBenjaminJ.BrackP.59:UnderstandingthenutritionalunderpinningsofphenotypicplasticityinO.taurusthroughmetabolomicanalysisNaomiG.WilliamsonP.61:RoleofpalmitateandcholesterolmodificationsintheproteinHedgehogforhorndevelopmentofOnthophagustaurusBennettYunkerP.63:DevelopmentalgeneticsofPhoturisfireflylanternsMatthewS.StansburyP.65:UnravellingcomplexgeneinteractionsunderlyingtheevolutionanddevelopmentofformusinghaploidwaspgeneticsJeremyA.Lynch

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PosterCategory:Marine&FreshwaterInvertebrateEvoDevoP.67:Embryoniccis-regulatorymodificationsduringalifehistoryswitchinseaurchinsPhillipL.DavidsonP.69:Echinobase:acommunityresourceforBAC-basedgeneexpressionreportersinechinodermsKatherineM.BuckleyP.71:Celljunctionsofuniquemolecularcompositioninasponge(Porifera)JennyferM.MitchellP.73:Theroleofmyocardin-relatedtranscriptionfactorinthedevelopmentofcontractiletissueofthefreshwatersponge,EphydatiamuelleriJeffreyJ.ColgrenP.75:VariationsinsystemsdriftwithinthetunicateheartdevelopmentgenenetworkBradDavidsonP.77:Killyouridols!Incongruenceinnomenclaturevsdevelopmentalidentityinspiral-cleavingembryoshighlightstheneedforanewdevelopmentalframeworkEricEdsingerP.79:Determiningtheroleoforal-aboralpatterningonneurogenesisintheseaanemone,NematostellavectensisMichaelJ.LaydenP.81:TheroleofBMPsignalinginearlydevelopmentofthespiralianCapitellateletaNicoleB.WebsterP.83:MolgulidascidiansshareauniqueManx/DDX5/17genecomplexnotsharedwithotherascidians:evolutionanddevelopmentoftaillessascidianlarvaeLindsayC.TurnerEven-NumberedPostersPosterCategory:SexDetermination,SexualDimorphism&ReproductiveTraitsP.2:ISL1targetsconservedappendageenhancersduringdevelopmentoftheamniotephallusSergioMincheyP.4:AmorphologicalnoveltyoftheDrosophilagenitaliaoriginatesfromapre-existingorganizingcenterDonyaN.ShodjaP.6:Developmentalcontextandthecontrolofgeneregulation:acomparisonofTBX5regulatoryinteractionsinembryonicforelimbsandgenitaliaAaronJ.AlcalaP.8:Theevolutionaryconnectionbetweenhairandmammaryglands:mammarydevelopmentinMonodelphisdomesticashowsamosaicofancestralandderivedtraitsDanielJ.StadtmauerP.10:Structure-specificgeneticrequirementsforsexualdimorphismintheLargeMilkweedBug,OncopeltusfasciatusJosefineJustP.12:UnlockingtheevolutionofvertebratesexdeterminationAndrewPask

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P.14:Inspectingtheroleforthetrans-regulatorylandscapetotheorigin,diversification,andlossofasexuallydimorphicfruitflypigmentationtraitJesseT.HughesP.16:ResolvingtheevolutionanddiversificationofaHox-regulatedpigmentationtraitIvánD.MéndezGonzálezPosterCategory:Hormones,Behavior,LifeHistory&EvoDevoP.18:TheroleofmaternalgeneticeffectsinbraindevelopmentandbehaviorinthecavefishAstyanaxmexicanusAlexiaL.Cree-NewmanP.20:OntogenyofschoolingandshoalingbehaviorinAstyanaxmexicanusKarlaJ.HoltP.22:EstablishingtheMexicancavefishasamodelforstudyingtheevolutionofadecision-makingcircuitAlexandraPazP.24:ExaminingtheroleofalbinismintheevolutionofcavepopulationsofAstyanaxmexicanusSunishkaThakurP.26:Howtoquantifycomplexbehavioralphenotypesacrossvertebrates:leveragingnetworkanalysistostudytheevolutionofsocialityRebeccaL.YoungP.28:EvolutionofacousticcommunicationintheblindcavefishAstyanaxmexicanus.CaroleHyacintheP.30:EvolutionofanendocrineglandunderliestheevolutionofdistinctlifehistorystrategiesofmothsandfliesYuichiroSuzuki

P.32:Genomicmechanismsofdevelopmentaldelayandenvironmentally-cuedhatchinginannualkillifishes,anemergingEco-Evo-DevomodelAndrewW.ThompsonP.34:Monarchbutterfliesuseanenvironmentallysensitive,internaltimertocontroloverwinteringdynamicsDelbertA.GreenII

P.36:CompetitivestrategiesofthepredatorynematodeP.pacificus:“boomandbust”dynamicsandcross-generationalpheromonesignalingTessRenahanP.38:DramaticevolutionofbodylengthduetopostembryonicchangesincellsizeinacloserelativeofCaenorhabditiselegansGavinC.WoodruffP.40:HormonalregulationofcardiomyocyteregenerationacrossphylogenyStephenCutieP.42:Araredirecttestofselection:phosphoruslimitationdoesnotdrivebonyplatelossinfreshwatersticklebackSophieL.Archambeault

P.44:MitochondrialfunctionintheterrestrializedPolypterussenegalusKimReidP.46:DevelopmentalandevolutionaryaspectsofmulticellularityinMyxobacteriaandDicytostelids:insightsfromtheinterplaybetweengenericandagent-likepropertiesJuanA.AriasDelAngel

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PosterCategory:EvoDevoofSensorySystemsP.48:ChitinisfoundendogenouslywithintheelectrosensoryorgansofcartilaginousfishChrisT.Amemiya

P.50:ElucidatingtheroleofeyelossintheevolutionofadaptivetraitsinthecavefishAstyanaxmexicanusMichaelSolomonP.52:MolecularandfunctionalroleofbittertastereceptorsinMexicancavefish(Astyanaxmexicanus)DeviAtukorallayaP.54:Thegeneticandmolecularmechanismsofenvironmentalperceptionduringmouth-formplasticityregulationinthenematodePristionchuspacificusMašaLenuzziP.56:Morphologicalvariationsineyesize:doesrx3playarole?ItzelSifuentesRomeroP.58:GeneduplicationandregulatorynetworkcooptioninthedevelopingcephalopodlensandtheevolutionofvisualsystemcomplexityKristenKoenigPosterCategory:BodyPlans&SegmentationP.60:ThedevelopmentalunderpinningsoftheminiaturizedbodyplanofTardigradaFrankW.SmithP.62:TheminiaturizationoftardigradelegsiscorrelatedwiththelossofproximalandintermediateappendagedomainsMandyCummingP.64:IsolationofDrosophilapair-rulegeneorthologsfromtheharlequinbugMurgantiahistrionica(Hemiptera:Pentatomidae)JessicaHernandezP.66:CombiningRNA-seqandacandidategeneapproachtoprobethesegmentationgenenetworkofasequentiallysegmentinginsectOncopeltusfasciatus(Hemiptera:Lygaeidae)KatieRedingP.68:Regulationofsegmentationduringembryonicdevelopmentoftheredflourbeetle,Triboliumcastaneum:anRNA-SeqanalysisBenjaminM.Goldman-HuertasP.70:AtransgenicstudyrevealsevolutionaryconservationinregulationofgeneChordinSimonaMachacovaP.72:Tracingtheevolutionaryoriginofchordatesomitesintheindirect-developinghemichordatePtychoderaflavaCindyChouPosterCategory:Networks,Switches,ComparativeAnalyses&ApplicationsP.74:Ancestralstates,nullhypotheses,andphylogeneticcomparativemethodsfordevelopmentalgeneticsSamuelChurch.P.76:Differentialembryonicsub-genomeactivationinanallotetraploidMilerT.LeeP.78:AnevolutionarilynovelessentialgeneregulatorynetworkdeterminesendodermidentityinCaenorhabditiselegansScottA.Rifkin

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P.80:Commissurelessregulationofslit-robosignalinginarthropodsMarkA.SeegerP.82:Amechanism-basedstrategytoassessrisksofRNAinterferenceindiverseinsectsEbonyArgaezP.84:FindingtheswitchesthatactivateanimalgenesthroughacombinedinsilicoandinvivoapproachChadM.JaenkeP.86:ResolvingthemolecularmechanismsbywhichmutationsalterthefunctionofanevolvinggeneticswitchMichaelL.WeinsteinP.88:Bombardandconquer:DNAtransposon-drivendenovoenhancerevolutionSylvainMarcellini