t6青鲚鱼鳃内Na。K‘-ATPase基因的克隆及皮质醇对其表达的影响7307407SO760nmtlHll坪hetezoclitzzsD,衄t20zeziofz曲r丑£mJfjill712714712712717'18助abd00aig££g,az蚰fspajuFDz”t01dg口,cuoJcculu#拗脚sapieas伪加蝴Jc砬∞zh,础ilJ目FI:iJ?tz,x/nbo‘f_曲由F乜ndⅡ2狮矗etexocZi%噼仕i11DaDJ.o79279q792792797798zezio(zebzafi2h,鼬ab如相珂HF朋功df印azⅡFat”t01d舛FcⅡ吐cnl£lJfrab由矗D■∞FapienJOttcoi自,nc妇口吐il,tzaiⅡbofAH日衄JFundu2tzeDa缸ozezio(zebzafish,87q872砌丑bdo柏zg口F#azbaf∈砸a功gofyct01d卵Fc嘶cilllz5fjah扫872hetezocli妇“:ill872‘抽coih,I袖Hj月噼i,,fJainbD丑。瑚Jap王ell0fhnmanJ877878F田瓢lalⅡF矗eeexoclitus朋:i1195295q952952957958zero伍ebz4£i础J劢曲doFdz卵FFaijba‘spait博DanioO—掣£01?}gⅡtc皿c‘吐uFfzah扫伽cozhyE曲lz,日噼i,,fm●加lhnman,月b肿sapiens圈3-1人(BC094801)、海鲷(AY553205)、兔子(AF235024)、虹鳟(AY319390)、底鳓(AY057072)及斑马鱼(AY008375)Na+.1(+-ATPasea氨基酸序列比对图.‘‘垂}’表示该区域不同物种间氨基酸序列完全相同;“垂”表示该区域不同物种间氮基酸序列具有同源性.Fig.3-1Mttltiplesequencealignmentoftheami.oacidseqrdellggofNa+-K*.ATPaseainzebrafishfDaniorerio,AY008375),killfish(Fundulusheteroclitus,AY057072),rainbow(Oncorhync^∞nykiss,AY319390),rabbit(Oryctolaqussarba,AF235024),Sparussarba(Rhabdosargussarba,AY553205)andhuman(Homosapiens,BC094801).The‘臂’indicatedidenticalregionand“氍”indicatedrelativelyconservedregion.笙三兰至旦塞堡兰堡型坌堑!:111011201130114011SO胁dnl附I皓抽朋cli£Ⅱ口fJ:n11077D硼tfiLO地fi0fze扫fa£“国,1080助d凼do舱j驰FOzycP,oZ删cE旺c咀吐,fza抽wazbat印azzzs10771077同哪F啦enFoR∞吐,ndmF届,’量i,Ffzant晰1092fh珈%曲,11D1F硼∞血1t墉2皓terocIi£≈博(kill112'Daxlio殛?tb由量t学●牡曲a矗;pt珊Zezio{ze,bza.FJ上hJ11301127OzIpct;olagoJrc叽ic皿i捃fza曲1127OncozhynchHml聃iestzainbo1lq2丑哪F?tpjenjfhⅡ日t衄,1i51F田砌缸lt硝he.z001itag¨:i11口a珏ioKe上iofze扫za£汝,1111i180Jm?ibdo舱zg丑?wazbaf5P正珊1177OZ,ct;olagzz#can王cⅡ1H,frahbchco茧啪曲Hg月I嚏ig,tra捌bo11771192jb盈D,dp王enff矗8m蕾l,i201f嘲8l砰2皓£cJ口出£留f|:i111227DazLio船工ioIzP-.bza.C:LghJ1230助d由doFaJ9田gFa曲a抽蕾d瑚1227nf】吧t01ag研cmrlicaluaOaeox/tyuc/ms月Ⅲ掌0fzab扫1227fzai丑bolZ42/-/o瑚FaDi曲gfhⅡn衄J1251F妇duZnF^ete■oclitHF阻1129ZqDa/Li-o肥fi0(zeb£af-LshlZ930Rhahdo矗aJ冒H0cunJ.cu埘(zabbsazbaf印arzzF2924o玎吧£01a扣0o呦z,岬曲HF^擎tiFF292q‘f正inboZ939£白矗DFapi凹0f矗口商an,Z942f扛RduilzF矗e£ezoc上itli●(kj-11297qDaniofedolzebfa王ioh’2980,mabdosafg阻osazbaf印a.nzF297'I。蚴j五y丑曲ⅡfOzyct,olag珊lc口E嚏c翔d£L,fn岫2974j蟹ti曩Ff皿血tbo2965'丑bz岫sajp.ieasfhH商衄J2992图3-2人(BC094801)、海鲷(AY553205)、兔子(AF235024)、虹鳟(AY319390)、底鲻(AY057072)及斑马鱼(AY008375)Na+.K+.ATPasea的基因序列比对图及其兼并引物的设计.‘‘圈”表示该区域不同物种间核酸序列完全相同口和二I:分别代表两对引物设计区域.Fig.3,2Degenerateprimeroairsdesignmentbasedonmultiplesequencealignmentofthenucleicacidsequenceoflqa+-K*-ATPaseainzebrafish(Daniorerio,A:Y008375),killfish(Fundulusheteroclitus,AY057072),rainbow(Oncorhyn曲usnykiss,AY319390),rabbit(Oryctolaqussarba,AF235024),Sparussarba(Rhabdosargussarba.AY553205)andhuman(Homosapiens,BC094801).The‘‘霉’indicatedidentic、alregion.口and二.=areregionsthatdegenerateprimerpairsdesigned.从图3.2上两对框定区域,本研究设计兼并引物18青鲻鱼鳃幽Na。K’-ATPase基因的克隆及皮质醇对其表达的影响同义5’-ATGACNGTNGC[C/T]CACATGTGGTT-3’反义:5'-GTANGGNAAGGCACA[GA]AACCACCA-3其他克隆青鳞鱼基因所用兼并弓l物序列均列于表3-1。表o-1克隆青鳙鱼基因所用兼并引物序列.Tab.3-1Degenerateprifiler"pairsofmedakagenesforCIone.基因片段的PCR扩增与克隆PCR反应液(50p1):1“lcDNA,1×PCRBuffer(10mMKCl;1.5mMTris—HCI,pH8.3:50mMrain;Mgcl2),0.2mMdNTP,0。4群M引物。PCR反应条件:954C变性1S,53。C40S,71"(26040循环:95℃40凝胶进行电泳。S;72。C延伸8min。PCR产物用1.5%琼脂糖采用Wizard@PCRPrepsDNAPurifictionSystem纯化凝胶中DNA条带。纯化产物送大连宝生物公司测序(ABIPRISMTM377XL型测序仪)。青鳎鱼鳃内Na+.K+一flxTPasea基因序列分析如图3-4所示,本文克隆了650个碱基的Na+.K+-ATPasea基因序列,对应216个氨基酸。将核苷酸序列在基因文库网站中比对,比对常用网址:http://www.ncbi.nlm.nih.gov/BLAST/,选择“Nucleotide—nucleotideBLAST佃lastn)”进行比对。网上比对证明所得基因序列是预期的目标基因。此外有些时候,如果测序出现套峰,可以通过比对确定最可能的碱基。将获得DNA序列按照三联体密码子翻译成蛋白序列,进行蛋白序列比对,以进一步研究蛋白同源性。…。Sequence非鱼(OreochromisIdentityMatrix分析发现,青鲻鱼Na+.K+.ATPasea和罗a氨基酸序列有90%相mossambicus,AADll4551Na+一K+.ATPase同,与海鲷(Rhabdosargussarba,AAT48993)Na+一K+-ATPasea氨基酸序列有87%相同,与欧洲鳗鲡(Anguillaanguil肠,CAA53714)Na+一K+-ATPasea氨基酸序列有86%相同,与斑马鱼(Daniorerio,AAG27060)Na+一K+.ATPasea氨基酸序列有85%相同,与虹鳟鱼(Oncorhynchusmykiss,AAQ82788)Na+一K+-ATPasea氨基酸序列有83%相同(如图3—51。笙三兰茎里錾堕量堡型坌堑!!91舡N四嗨虻正Kn蝉∞∞口日口w口啪瞄舶蚯¨眦¨嫣阳∞嘣I叮h惦编^6uh瞒ci%帖h伍cIcKhISLC矸R矗VFLAEDKVPIA:二上二二:堡:』::二:蔓二‘二L=1P.卜1f7.卜1i7.I.,1『7..I..1产qLKRD卜..t77.弓目I.?foSEVA^_L墨::L二墨二:二L二:.2卜.I…2卜卜.2卜o…2卜.f2卜㈠..2艮卜2fo181优M呼碍征玎峰日Ⅱ舡∞艄口铀旺珥w融lcK亿¨Ⅸ旺矗t^6砬“¨打疵I^惦打I伍虹蜘赫时虻k时^矗LLKCIELTCGSVN^FREKYPK工AEIPFH。:Lj:I:一:L:』生=!=:甲…卜3fo271哩口优世瞳“删到瓯:Ⅱ兀“皿亡|阻崛Ⅲ=IcG^印匝垴岫吐¨Dd^优曲cl_盯±%r^-K址k醯曲面j醅赫i砖ST搏K!qLSIHKKSTrEETKHLLV瓶K6A卜j严..卜.5产.卜.吖?…卜3foo:foERPj一二二:墨L:翌:二二L墨…I,_.??I…甲…I.■卜?严卜m卜甲361^TⅡ∞蹬弱口伍m嘲捌沉盯Icm曲∞强“辐帕孙∞cIct瞄nB^瞄陆舡6^i惦帕葩rrr虻描^赫面矗}ILBRCSTIVLq∈KEqrL∞DE耕KD^F瑶科盎YV451畸田喁9∞正皿畸惦惦崎峋1cⅡ%n虻螅瞄nm崛m∞味蛐6疵惦rr加∞商赧抽n砣而哦ii砣▲EL0暑L§VERL0FCHYNLPDD;:上二二:曼_二二:墨二:L卫二二二【.:乳In1.I05卜卜乳卜叩V6}^FP亨DA6310嘎=^刖da=.6刚旧D芘T∞0KCRS^卜6f?I甲图3-3青鲻鱼(o,),2缸slatipes)Na+-K+-ATPasea基因的部分mRNA序列和相应氨基酸序列.Fi孚3-4Partialnucleotideandproteinsequenceofthemedaka(Oryziaslatipes)Na+-K+-ATPaseamRNA.4ZO430Flmd咀EFDaniD抛fio(zebza:鼬h)a瑚z咖ch科目掣■喧村HomoOryz.xajrlar.ipe雪hetezoclit口4(t11139339q39339339840I1肋曲如Farg鼬Fmaf跏埘Fs啦ew伪maJO坷cbolagusc叫旺cuIlz-fn岫Cxalzmo460470●80490500胁dHl口shoLea:oclit岫舭11qq3Da吐io托.rio(zebma士_i_sh)444sa丑,af印az疆Fq43肪曲doga捌gd珂ct01ag氇,c啦cHlHF丑嘲sa啦eng‘h埘%曲Jfnhb443O虹cozh_vnchmr日掣童i船肛aJ.nbo44845i50呻zu¥lati】,es