Copyright is owned by the Author of the thesis. Permission is given for a copy to be downloaded by an individual for the purpose of research and private study only. The thesis may not be reproduced elsewhere without the permission of the Author. NEOTYPHODIUM DISTRIBUTIOOFN LOLII-ENHDOYPTE (LOLIUM METABOLIACC TIVITIYNP ERENNIARLY EGRASS PERENLN.E), ANDI TSI MPLICIAOTNSF ORA LKALOID DISTRIBUTIAONNDP HOTOSYNTHESIS A thesis preisnpe anrtteida l fulfilment oft her equiremfeonrtt hse d egreoef DoctoorfP hilosophy inM icrobiology atM asseUyn iversPiatlym,e rsNtoornt h, New Zealand MartiJnii rgeSnp iering 2000 11 Abstract Neotyphodiluomli sia ifim g ale ndophoyftp ee rennriyaelg r(aLsosl pieurnmen e). Int hissy mbioasliksa,l aoripedr so ductehdas ti gnificiamnptalocynt t hpee rformoafn ce farmaendi maLlist.tw laesp reviokunsolwyan b outth ep hysiolocgoincdailtf iootrnh se endophyitnte h ep lanlte aditnotg h epirro duc.t Ai osntraoifnN. lolpirie,v iously transfowrimtethdh eB -D-glucur(oGnUiSdg)ae sneoe f E. colunid etrh ec ontroofal constitfimugtailpv reo motwears,u sefdo ri nvestigianttitooh neis np lanmteat abolic activoift yte hned ophyte; doifs trtaihlbeku atlieooringd osv apleirnarninee,, a ndl olitrem B;a ndp hotosynthesis. Inv itsrtou dwiietsh ttrhainss foN.r mleodls itria dienm onstrtahteue tdi loift y constitGuUtSei xvper esfsoiaros ns estshimene gt abosltiaoct fet hee ndophyBtyeu .s ing constitGuUtSei xvper esasnidao m ne thofdoq ru atnitaotfi otnih npe l anbtiao maosfs the endophyteen,d otphhemy ettea bosltiac(t EeM Si)n t heg rapslsa nwta sd etermiTnheed . EMS wash igahn du nifoinr mp lantti ssuaensdg enotydpieffse riin negn dophyte concentriantdiiocnat,th iapntrg o lifeorfat thieeon nd ophiyntt eh pel anitsn otc ontrolled vitah EeM S. Ergovalpienrea,m inel,o laintBdr eexmh ibietaecadh c haractewriitshtiinc- tiller distribmuatiinotna iancerdo ss dipfflearngeten nto typNeosn.eo ft hea lkalowiadss distribiunet xeadcp tr oporttioto hned istribouftm ieotna boliaccatlilevyne d ophyte mycel.iD uimffereninc tehsae c cumuloatfti hoean l kalpoeirdm sy celiwuemr oeb served betwepelna tnits saunedps l agnetn otyspuegsg,e sdtiifnfge rreanttoeifssa yln theasnids/ or degradaotfti hoaenl koaildisnt hmey celiaunmdt ranslowciatthitiohngne r atsisl .l er III Rateosfn epth otosynatthh eisglihis g ihntt enswietrileeo sw eirnp lanitnsf ected byN loliinidi,c aftoiarnn eg ff ecotnp hotosyntchaeptaciicHt oyw.e vetrh iesff ecwta s plant-adgeep endePnlta.ng tr owtwha sn ots tronagffleyc tbeyd t hee ndophybtuet, infectedh apdcl oannstiss tleonwtelry e lleoanfg artaitoeTnsh .ec hangeisnl eaefl ongation andp hotosynctahpeatciiicnit nyf ecptleadn mtisg hsti gnaflo arn e ffecotfN loloint ih e nitromgeetna boliisthmso sotf. Thee xperimceonntcse rningt hei np lanEtMaS ,a lkaldoiisdt ribpultaionnt, growtahn,dp hotosynwtehreceso insd ucitnae c do ntroelnlveidr ontmheeens tt asbhlmient ofw hicwha sp arotft hisst udIyna. d ditfiootrnh ,de e taimlaepdp ionfge rgovawliitnhei n theg rastsi lal meert hofdo qru antitativeo fet xhtriaaslc ktailwooanis dd eveloapnedd optimised. N Acknowledgements Il itkoee xprmeyss si ncegrrteaistttu omd yefI rsstu pervDirJs aoSnrc ,h mfiodr, givinmget hoep porttuonw iotroykn t hipsr ojIeh citg.ha lpyp rectihsaeut pep aonrdt encouragteoem mebnaotrn ka l als peocftt hssi tsu adnyfid n ancsiuaplp tohrrto ugthhoeu t projtehcaattl lomweet do a ttecnodn ferienNn ecweZ se alaannddo versIea amsa .l so gratteofum lyc o-supeDrrvG iesooLfraf,n a etA gReseGarrascslh a ,nf dosdr i scussions, angdu idainnac laels peocftt hspi orsj epcatr,t ictuhlaeal rklaywl oorikda, n di mmediate feedbtahcrko ugthhoweuh to le pIra omjt ehcankfult .t om y co-superDvrPi asuolr , O'Toofloaerl, sp or ovisduiepnrgv iasnisdou ng gestions. MikCeh ristaetAn gsReens eGarracshs lparnodvsia dnie ndv aliunapboulfite d eas ansdu ggestthiwaoetnr aseg reat inasnpidin rcaetnfitooimrnve te o u ndertthaiskste u dy. Thanyko uM ikeT!h ew orokn tphheo tosynitnth heitsshi essw iosu lndo hta vbee en possiwbilteh DourDt e nnGirse aetrH ortReswehaorp crho,v iidntrumesde ntatainodn mucht echnaincdoa tlh aedrcv eif owrh icIh a ma lsgor ateLfuilz. Dafrvoimet sh e EndophTyotxeLi anab t A gRseearIlc ihk teh tafnook r hearn vdga rleuaahtbe llapen ldo ts ofa dviocnte h ael kaalnoaildy Tsheasn.ik ns trheigsagr od alDsroB rtioTa anp paenrd, focro ntrimbauntsyiu ngggi eosnttsh rougthhaoelu kta wloorikDd.r O llBiaelI lw istho thafnoklr e ttmiehn agv aeg oa tE LISIAa .m a lsion debttoe dCD hrir stMionoan f or commenotnms y i ntroduacntdti oDo rnC ,h rSicsh ardld ifsocru sasnidlo intse rature adviocnce l opnraolp agIaa tliswooin st.ho t hatnhkve a ripoeuospi lnte h lea abtM assey, YonTga na ndDr T ahAal -Samfarortrae ic hnaiscsails teasnpceec,wi iatlthlh ype l ant maintenaanndNc iec ovloenM altzfaohmrnak intgh lea ab l ivepllyaa cned tfhoer enjoycaobffleaeen l du nbcrhe aks. v A spectihaalng koset sot hpee opaltMe a sseAyu,s tGeann lfeoygir v inmget he chantcope e rfdoirlme titnca rnitclakyne adtl t lh mee mbeorfts h wee eksloyc cgearma en d thfeo rmDeerp otf.M icrobiaonlGdoe gnye tAi bcistg.h antkofrs i endsp eaonptdlh ea t madmey s tay iZne aNlevawne dre yn joyaanbdml eem oraibnml aen yw aysM:i kki, Henni&n Lgi se, &N CihcroilseSt hoeprha&,l Aelea n, STthemoffaes&n A,n keA,n drew, Delwyn, PMeatLreeirwa ai,ns Sd t uaanradtl frlo mM anawaHtaukp idPoe,t Secro atntd, fmalEllyi zaabneGdtr he gfoorber i ng l(o?va)in nldgo vaflbaltet Miaensyt. h antkoys o u all!!! A bitgh aynokug oes taoml ysfr oi enbdasch ko mee,s pecKiaa&il Hleyi kaen d Palflocero mianltglh l eo nwga yP,e t&e S usafnoncrea tchuiprn egg ulaanradll yst,oom y parefnottrsh eciorn tinsuuopupsAo rstp.e ctihaalng koset soA mirBai anca. Thiwso rwka ss uppobryta eM da ssDeoyc toSrcahlo laarnsbdhy iA pg Research GrasslPaanldmse,rN sotrotnh . VI TabloefC ontents Abstract. .ii ............................................................................... ............................................. Acknowledg.e..m..e.n..t..s.. ............................................................................i..v... . ............ . TableC oonft ents .. . vi ............................. ............................. ............................ .................... LisotfT abl..e.s.. .................................................................x..i..i.. ......................................... LisotfF igures . . xiv ................................ ......... ........................................................................ RelaPtuebdla itci.o.n.s .................................................................x.v.i..i. ................................ 1.0I NTRODUCTI.O.N. .. . .. 1 ... ................ ........................................................... ............. 1.1 TheF ung-iA n ImportaGnrto upo fO rganisms . 1 ........................... ................ 1.2 FungaEln dophytoefGs r asses .. .. 2 .................... ... .............................................. . 12..1 EndophGyrtoew tihnt hGer asPsl aanntdP lant-EndIonptheyrtaeca ttti hoen s Cellu.Lleavr.e l. . . .. ..4 ....................................................... .... .......... ... .......................... ............ . 12..2 EffeocftE sn doph-yItnefecotnPi loanGn rto wtahn dP hotosynth.es7i s ...... ..... 12..3 TheP roducotfSi eocno ndMaertya bolbiyGt reassE sn dophyatnedTs h eir EffecotnsA nimHaela latnhdP laPnetr sisten.ce. . . . 8 ......... ..... .... ...... .................................. .... 1.3 BiosynthAensailsy,s IinPs ,l anDtisat ribuatnidPo hny,s ioloofgA yl kaloid Product.ion. ... . . .12 ........ . . ...................... .................................. .... ........................................ . 1.3.1 TheB iosyntohfEe rsgiosv aLloilniet,Br aenmdP erarnine .. .... 12 .... .. ..... .... ...... 1.23 . AnalytMiectahlof dostr h Qeu antitDaettievrem inoaftt hiAeol nk aloid1s5 ....... 13.3. AlkalDoiisdt ribwuittihtoihnnPe l a.n.t 18 ............................ ............................. 13.4. EndophCyotnec entraantdAi lokna lPoriodd ucatsIi noflnu enbcyet dh e EnvironmanednP tu,t atRiovleeo sfP hysioallo gPiacrafmoert erAsl kSaylnotihd.e s.i.1s.9 . .. 1.4 TheG USR eportGeern eA: T ooflo Ars sesstihnegM etaboSltiacto ef EndophyMtyec eliu..m ..... ... ..21 .. . ... ..... .. .. ............................................... ........................ .. 1.5 Aimsa ndO bjectiovfte hsiS st udy .. ..23 ................... ... ................................... ... .. 2.0M ATERIAALNSD M ETHODS ...26 .................................................................. ... ... 2.1 FungaSlt raiannsdP lanLti nes ..... ............. 26 ............. .. .. .. ..... . .... ...... .. .. ... . ........... 2.2 Media . . . .2 6 ................... .... ............ ................................................ ............................ 2.12 . PotaDteox trAogsaear n dP otaDteox trBorsoet( hP DAa ndP DB). ..2.6. ...... Vll 2.2.2 YeasEtx tract GMleudciou(smYe E GM ediu.m.) ............2.6 .. .................. ... . .. . . 2.3 Buffearnsd Soluti.ons . ............ 26 ..... .................... .................... . .... . ....................... 2.3.1 GUSE xtracBtuifofn.e. r . . . ............ .2 8 ... ........... ..... ......... .............. . . . . ................. 2.3.2 GUSA ssaByu ffer. . ....... . 28 ...... ........................ ........................ ... . .............. ..... 2.3.3 GUSS toBpu ff.e.r ........... .... .............28. .. . ........ ... . . . . . . ..... ...................... .. . . . . .. .. .. 2.3.4 GUSC alibrSaotliuotn.i ..o.n. ............ .. .............28 . .. . . . . ...... . .. ...... .. .............. .. . . . . . 2.3.5 SaliSnoel ution 28 ......................................................... ..................................... 2.3.6 Lacto-GlSyocleurtoilo n .......... 28 ................................................ . . .................... 2.3.7 DecoloriSsoaltuito.in.o .n ................. .............2.9 . .. ...... .. . . . . ... .. .. .................. . .. . .. 2.3.8 BleachSionlgu tion ......... 29 ............................................ ... ... . ...... ...................... 2.3.9 MountiSnogl ution ........... 29 ..................................................... .. . . .. .................. 2.3.10 AnilBilnueSe o lut...io.n ............ ......... ..............2.9. . .. ...... . . . ... .... .. . ............. . . .. . . .. 2.3.11 lOxF ungNaulc leSatra inSionlgu t.i.o.n.. ........... ..........2. 9. . . .. . . .. .. . .. ... ............ . . . 2.3.12 lOFxu ngSaelp tSat ainSionlgu tion . ...............2. 9 ................................ ..... . ... . .. .. 2.3.13 ChloriBnlee ach . .. ......... ... .........2.9. ......... ...... .. ..... .. . . . ... ...... ... .. ................... . ..... 2.4 Growtahn dM aintenaonfcF eu ngaClu lturaensdP lan.t..s 30 . . ...................... 2.4.1 FungIaslo lafrtoimoP nl aTnits su.e.s. .........................3.0 .. ........ . . . ... ................ 2.4.2P reparaotfIi noonc ulanudmG rowtihnL iquCiudl tu.r.e...s.. .... .30 .. . . .. . .............. .. 2.4.3D eterminoafFt uinognBa ilo maassDs r yW eigihntL iquCiudl tures 31 ............... 2.4.4 PlaCnutl taunredM aintenoafSn ycmeb io.s..e.s. ........ . 32 . .... . . ... .. . . ................ ... 2.4.5 InoculoaftP iloannw tistE hn dophyte My..c.e..l..i.um 35 . . . .... . .......................... 2.4.6 GeneraotfiE nngd ophyteC-lFornPealela nbtyFs u ngicTirdeea tment3 5 ......... 2.5H arvestoifnP gl antIss,o latoifo nE ndopahnydtP el anTti ssEuxet racti3o6n s ... 2.5.1 PlaanntdT illDeirs secftoiAron na lyosfeG sU SA ctivaintdAy l kalo.i3d6s ... .. 2.5.1.1 PlaDnits sec..t.i.o..n.. ........................... ......... 36 ... .. . . . . . . . ... . . . . ............ ... . . . ...... 2.5.1.2 TillDeirs sec.t.io.n.. .... .....................3.6 ....... . . .................................. .. . . .. . . . . . . . 2.5.2 Simultaneous AosfGs UeSsA scmteinvatin tdAy l kaloiinPd lsa Tnits s.u3 e8s 2.5.3 ExtracotfEi nodno peh-yLtinakuesdA ctivfirtoFymu ngMaylc eliaunmd PlaTnits s3u8e 2.6 fS-Glucuirdoans(eG USA)s says . ..39 ............................ ....................................... . 2.6.1 QuantitEaxttriavcetA isvsea y.. .........................................39 .... . . .. . .. .... ... . . . . .. . .. .. 2.6.2 Semi-quantMiitcartoitPvileta GrtUeeS A ssay .... 41 ............................ ... ... ....... 2.6.3 QualitMaitcirvoetP iltarGteUe S A ssa.y. ..... .. .... 42 . .. .. ... .. . .... .. ... .. .. ................... Vlll 2.7 DeterminaotfHi yopnh aBli omaCsos ncentraitnPi loann Tti ssu.e.s.. ..42 .. .. 2.8 AnalysoefAs l kaloiindP sl anTti ssu.e.s. ...............4.6. ....................................... 2.8.1 ExtractiQouna natnidto afPt eiroanm. i.n.e. .............4.6. .................................... 2.8.1.1 ExtracwtiitIohsn o propanoAlc-i.Ld.a .c.t.i.c. .......................................... 46 2.8.1.2 SeparaatniQdou na ntitoafPt eiroanm biynH eP LC. .........4.7. .................... 2.8.2 ExtracatniQdou na ntitoafLt oilointB r .e..m. ... ...............4..8. . .. . .. ............ . . . .. . ... 2.8.2.1 ExtracwtiitCohhn l oroform-.M.e.t.h.a.n.o.l. .......4.8. .................................. 2.8.2.2 Extracwtiit1oh,n D2 i-chloro1e0t%hM aenteho,al .n .........4.8. ................... 2.8.2.3 SeparaatnidQo una ntitoafLt oilointB r .e.m. .............. . 49 . ... .. . . .. .. .. . .. ....... .... 2.8.3 ExtracatniQdou na ntitoafEt rigoonv a.l.i.n.e. ............4.9. .................................. 2.8.3.1 Chlofroorm-MethanolE-xAtmrmao.cn.ti.ia.o .n. ........4.9. ............................ 2.8.3.2 AcetAicci Edx trac.t.i.o.n. ..................................5.0. .................................... 2.8.3.3 IsopropanoAlc-iELdxa tcrtai.cc.t .i.o.n. ............5.0. ..................................... 2.8.3.4 Sepaornaa tniQdu atnitaotfEi rogno va.l.i.n.e. ..........5.0. .............................. 2.9 FluoresMciecnrto scoofpy Nuclei anidnF uSnegpaMtlya c elium. .51 ...... .... 2.10O bservatdiuornisnP gl anGtr owth ................. . 52 ...... . . . .. . ... .... . .. .. .... .................. 2.10.1 TilNluemrb earn Tdi lleRrait.ne.g . ...............................5..2.. ............................ 2.10.2 uafE xtenRsaito.en. s. .........................................5..2. ..................................... 2.11A ssessmeonfLt e aNfe t-Photosyn.th.es.i..s. .......5.2 . .... ...... . .. ................. . ... . ..... 2.11.1 Princoiftp hlOeep eInn fraGraAesnd a lySsyisst .e.m. .........5.2. ...................... 2.11.2 Configuroaftt ihAoenn a lySsyisst feomMr e asuremoefun atfNs e t Photyonsthesis 53 .............................................................. ..................................................... 2.11.3 Measuernetmosfu afN et-Photos.y.n.t.h.e.s.i.s. .......5.4. ................................ 2.11.3.1 DeterminoafLt iigoRhnet s po.n.s.e. .............5.4. ..................................... 2.11.3.2 DeterminoafTt eimopne raRteusrpeo. n.s.e. ..........5.5. ............................ 3.0 RESULTS.. ........... .............................. ....5 6 . . . . . ...... .. ......... .. ... .. .. . . .. .... .. . .. .. .. .. .. .......... . . 3.1 MethoDde velopm.e.n..t. ... . .... . 56 . . ... ...... ... ...................... ........ .. .. ................... ..... 3.1.1 Developomfae M nett hfoodQr u antiEtxattriaveco tfGi UoSAn c tivfriotmy FungMaylc el.i.u.m. .......................................................5...7... ................................. ............. IX 3.1.2 Developomfe Snaet l ecStyisotnfe omOr b taiGneinnegt iHcoamlolgye neous EnodphyItseo lfraotmeN so n-SporuMlyacteilnigu m . 59 ................................................ ...... 3.1.3 Establiosfha Cm eonntt roElnlveidr onfmoeSrnt tu doifEe nsd ophPyltaen-t Interactions 63 ..................... ............................................... .................................................. 3.1.3.1 PlaGnrto wthi nt hGer wothC abinet.. 63 ........................... .......................... 3.1.3.2 Assessmoeftn htIe m paocfFt u ngicidIen saencdtA ipcpicldaiet ioonIn n PlanGtUaS A ctivity 64 ....................................................................................... .................. 3.1.4 Develoenpatmn Odp timisoafat M ieotnh foodEr x tracotfEi rogno vafrloimn e SmalQlu antiotfEi nedso phIyntfee-cPtleaMdna tt erial .. 66 ......................... .......................... 3.1.4.1 SampMlaet erfioaMrle thDoedv elopment.. .. 67 ...................... ............ .. ..... 3.1.4.2 ExtracwtiitSohon l veCnotnsti aniIgns oproapnaLdna oclt ic Aci7d0 ............ 3.1.4.3 ExtractainoRdne covoefrE yr gvoa lianneId n ternSataln dwairtdh A caent ic AciSdo lvent. . . .. 74 ...... .......... ............................................ ................................ ............ . .... 3.1.4.4 TimCeo urosfEe r govaElxitrnaec tainoodn fR ecovoefryI nternSatla ndard ...................................................................7....6.... ...................... ................. 3.1.4.5 TheI nflueonfSc aem pDlreyW eigihnEt x tracotfEi rogno vaalnidn e Recovoefr yI ntSetrnaanld ard .... 78 ..................................................... ................. ....... .. ........ 3.1.4S.u6m maarnyCd o nclusions ..8 0 ............................. .................... ............................ . 3.1.5 Comparoifsto hQneu antiEtxattriavceGt UiSAv ses ay awS ietmhi -Quantitative MicrotPiltaArtsees ay .. .. .. ... . 81 ................... ... ...... .. ................... .. .......... . ....... ......................... 3.1.6 DetermiiononafI t nP laanE-tndophMyytcee lCioanlc entbryaM tiicosrnco opy ....................................................8..3.. .............................................................. 3.1.7 AssesmsenotfF resh Weight-CDoreyf fiWceifieogPnrhlt tas Tn its su.e8 s6 ... 3.1.8 PositSieclvetei foonGr U SR eporterA-cGteinvieinE t nyod phyMtyec eli-um SegregoaftG iUoSEn-x presasniNdno gnE -xpresMsyicnegl iiunmtG or aTsis lle.r.8s 8 .... .. 3.91 . EstimaotfIi nohni bitGiUoSAn c toifvi inPt lya Tnits sEuxet r.ac.t.s 91 .... . ........ 3.2 EndophyMteet aboAlcitci vaintdyA lkaloSiydn theins iN.sl oElnidio phyte- InfecPteerde nnial Ryegrass . . 93 .................................. ............................. ................... ..... 3.2.1 Assessmoeftn hCteo rreloafGt UiSoA nc tivwiittEyhn dophMyettea bolic ActiviinFt uyn gTarla fnosrmants . . . ..93 ........................ .................... ......... ............... ......... .....
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