1 unit (U) Taq Platinum DNA Polymerase chiitiko chinotsanangurwa seuwandu hweiyo enzyme inodiwa kuisa 10 nmol deoxynucleotides muzvinhu zvine asidi-zvisingasviki pa74 ° C mukati me30 min uchishandisa salmon sperm DNA se template / primer.
Rucheno rweSDS-PAGE kuona rwunopfuura 99%; Hapana chiitiko che exogenous nuclease chakawanikwa; Imwe-kopi jeni mugenome yemunhu inogona kukwidziridzwa zvinobudirira; Hapana chiitiko chakakosha chinoshanduka kana chakachengetwa mukamuri tembiricha kwevhiki rimwe.
Iyo ine 5'-3 'exonuclease chiitiko uye 3'-5' exonuclease chiitiko, uye kuvimbika kwayo kuri padyo naPfu polymerase. Iyo yekuwedzera yekumhanyisa yeTaq Platinum Polymerase inokurumidza kupfuura Pfu polymerase uye kugona kwekusimudzira kuri pamusoro. Zvigadzirwa zvePCR zvinogona kusunganidzwa kusvika kumagumo ekupedzisira kana kuunganidzwa neTA vector. Kana iko kuumbika kunoda kuvandudzwa, zvinokurudzirwa kuchenesa kutanga uye kuwedzera 3'-dA kuwanda usati waumbana muTA vector.
Imwe-chubhu Taq Platinum MasterMix (National High-Tech Chigadzirwa Certification)
■ Iyo Taq Platinum MasterMix yakagadziridza hunyanzvi uye kunzwisisika kwePCR reaction uye inogona kuwedzera matemplate akaomarara ane yakakwira GC zvemukati, yechipiri chimiro nezvimwe zvakadaro. Yakadzika semakopi maviri eiyo template yakanangwa inogona kukwidziridzwa, kuve nechokwadi chakaringana mhedzisiro yekuyedza.
■ Iyo yakasarudzika Taq Platinum MasterMix fomula inoita kuti iyo yese maitiro system igadzikane, uye chiitiko hachizokanganiswi nekudzokororwa chando-nyungudika kana kwenguva refu-kuchengetedza pa4 ° C.
■ Iyo yakagadzikana uye inoshanda pre-yakagadzirirwa PCR yakavhenganiswa mhinduro inogona kuita kuti oparesheni ikurumidze uye yakapusa, ichideredza zvakanyanya kushanda kwesimba uye sampling kukanganisa. Yakakwira-inoshanda PCR inosimudzira uye optimizer inosanganisirwawo mumusanganiswa, izvo zvinoderedza zvinodiwa pane PCR mamiriro.
■ Ichi chigadzirwa chine zvese zvine dhayi uye zvisina dhayi masystem. Dhayi-ine MasterMix zvigadzirwa zvinogona kusarudzwa zvakananga mushure mePCR, pasina kuwedzera kurodha buffer.
Inogona kutsiva Pfu polymerase kuwedzera zvigadzirwa zvakavimbika kubva kumatemplate akaomarara senge magenome, uye inokodzera mashandisiro akadai sekuumbana kwemajeneti ekutaura, saiti-yakatarwa shanduko uye kuongororwa kweiyo imwechete nucleotide polymorphism (SNP), nezvimwe.
Chenjedzo mukugadzira PCR Primers:
Iyo yekutanga kureba inowanzove 20-25 mer. Nekudaro, kana uchiita yakareba chidimbu PCR, iyo yekutanga primer inofanirwa kuwedzerwa kusvika 30-35 mer.
There Hapana chinowirirana chinobatanidza pakati pezvivakwa zviviri izvi, kunyanya kune matatu ekupedzisira mabhesi kumagumo matatu.
■ GC zvemukati zvinofanirwa kunge zviri 50-60%, uye zvinodzivirira vapfumi veko GC kana AT. Kuti ugadzire primer uye template zvisunge zvakadzikama, dzivisa AT yakapfuma chimiro pamagumo matatu.
■ Dzivisa kutanga kuti uite chimiro chechipiri.
■ Sarudza ma primer maviri ane tembiricha dzeTm padhuze nepadhuze.
Kuverengwa kweTm Kukosha kwePrimers kwePCR:
■ Kana iyo yekutanga isingasviki makumi maviri mer: Tm = 2 ° C × (A + T) + 4 ° C × (G + C).
■ Kana iyo yekutanga ichidarika makumi maviri mer: Tm = 81.5 + 0.41 × (GC%) - 600 / L, uko L ndiko kureba kweprimer.
Set Seta tembiricha yekuwedzera pa (Tm-5) ° C.
Iko kukosheswa kwekupedzisira kwema primers kunogona kusarudzwa pakati pe01 μM uye 1.0 μM. Yakadzika kwazvo primer concentration inotungamira kune yakaderera goho yezvinhu zvekusimudzira, nepo yakanyanyisa kukosheswa kwepamberi kunowanzoitika kune isiri-yakasarudzika kukwidziridzwa. Kazhinji, kana huwandu hwetemplate DNA iri hombe kana yakaoma template yeDNA (senge munhu genome DNA) inoshandiswa se template, iyo yekutanga yekumanikidza inofanira kunge yakaderera. Kana huwandu hwetemplate DNA iri diki kana yakapusa template DNA (semuenzaniso, plasmid DNA, nezvimwewo) ichishandiswa setemplate, iyo yekutanga primer inofanira kunge iri pamusoro.
Zvese zvigadzirwa zvinogona kuve zvakagadziriswa ODM / OEM. Kuti uwane mamwe mashoko,ndokumbira ubaye Customized Service (ODM / OEM)
Shandisa genomic DNA setemplate yekuwedzera 1 kb chidimbu Mushure mePCR reaction, tora 5 μl yekutsvaga electrophoresis. |
A-1 Chidimbu
■ Iyi template ine mapuroteni marara kana kuti Taq inhibitors, nezvimwe- ——Chenesa DNA template, bvisa tsvina yeprotein kana bvisa template yeDNA nemidziyo yekuchenesa.
■ Kuburitswa kwetemplate hakuna kukwana - - Zvakakodzera kuwedzera tembiricha yedenature uye kuwedzera nguva yekushandurwa.
■ Kushatiswa kwetemplate ——Gadzirisazve template.
A-2 Primer
■ Hunhu hwemhando dzekutanga - - Re-gadzira iyo yekutanga.
Prim Kushatiswa kwekutanga --—Rovera mabara epamusoro epamusoro kuva vhoriyamu diki yekuchengetedza. Dzivisa kuwanda kwechando uye kunyungudika kana kwenguva refu -4 ° C yakachengetedzwa.
■ Dhizaini isiriyo yezvigadzirwa (semuenzaniso, urefu hwepamberi haukwanire, dhayera yakaumbwa pakati pezvakagadzirwa, nezvimwewo) -Reresign primers (dzivisa kuumbwa kweprimer dimer uye yechipiri chimiro)
A-3 Mg2+kuisa pfungwa
■ Mg2+ kuiswa kwakanyanya kwazvo ——Kuwedzera zvakafanira Mg2+ kusangana: Gonesa iyo Mg2+ kusunganidzwa neakateedzana ezvekuita kubva pa1 mM kusvika pa3 mM ine chinguva che0.5 mM kuona iyo yakanakisa Mg2+ kusungirirwa kwetemplate imwe neimwe uye yekutanga.
A-4 Kuwedzera kwekushisa
The Iyo tembiricha yekukwirisa inokanganisa kusunga kwekutanga uye template. - -Deredza iyo yekuwedzera tembiricha uye gadzirisa mamiriro acho ne gradient ye2 ° C.
A-5 Yekuwedzera nguva
■ Pfupi yekuwedzeredza nguva - - Wedzera nguva yekuwedzera.
Phenomena: Negative sampuli zvakare inoratidza iwo akanangana akateedzana mabhendi.
A-1 Kusvibisa PCR
■ kusvibiswa kwemuchinjikwa kwekutevedzana kwekutarisa kana zvigadzirwa zvekusimudzira - - Nekuchenjera kusapomba sampuro ine nhevedzano yechinangwa mune yakashata sampuro kana kuvadururira kunze kwecentrifuge chubhu. Iwo ma reagents kana zvishandiso zvinofanirwa kuve zvakagadziriswa kuti zvibvise zviripo nucleic acids, uye kuvepo kwehutachiona kunofanirwa kutemerwa kuburikidza neasina kudzora kuyedza.
■ Kusvibisa reagent ——Root the reagents and store at low low.
A-2 Primer
■ Mg2+ kuiswa kwakanyanya kwazvo ——Kuwedzera zvakafanira Mg2+ kusangana: Gonesa iyo Mg2+ kusunganidzwa neakateedzana ezvekuita kubva pa1 mM kusvika pa3 mM ine chinguva che0.5 mM kuona iyo yakanakisa Mg2+ kusungirirwa kwetemplate imwe neimwe uye yekutanga.
■ Dhizaini isina kukodzera, uye maratidziro akanangwa ane humology pamwe neasingaitane nhevedzano. —-Re-dhizaini yekutanga.
Phenomena: Iwo maPC ekukudziridza mabhendi haapindirane nehukuru hunotarisirwa, ingave hombe kana diki, kana dzimwe nguva zvese zvakasarudzika mabhendi ekuwedzera uye asiri-akasarudzika mabhendi ekusimudzira anoitika.
A-1 Primer
■ Kusanyatsojeka kwekutanga
—-Re-dhizaini yekutanga.
■ Iko kusungirwa kwepamusorosoro kwakanyanyisa - - Zvakakodzera kuwedzera tembiricha yedenature uye kuwedzeredza nguva yekushanduka.
A-2 Mg2+ kuisa pfungwa
■ Iye Mg2+ kusungwa kwakanyanya ——Deredza zvakanaka iyo Mg2 + kukosheswa: Gonesa iyo Mg2+ kusunganidzwa neakateedzana ezvekuita kubva pa1 mM kusvika pa3 mM ine chinguva che0.5 mM kuona iyo yakanakisa Mg2+ kusungirirwa kwetemplate imwe neimwe uye yekutanga.
A-3 Thermostable polymerase
■ Huwandu hwe enzyme yakawandisa ——Deredza huwandu hwee enzyme nenzira kwayo panguva dze 0.5 U.
A-4 Kuwedzera kwekushisa
■ Tembiricha yekuvharisa yakanyanya kushomeka - - Zvakakodzera kuwedzera tembiricha yekuwedzera kana kutora nzira mbiri yekuvharisa
A-5 PCR kutenderera
■ Makwikwi mazhinji ePDR ——Deredza huwandu hwePCR macircule.
A-1 Primer-—Kusarongeka kwehurombo--- Gadzirisazve iyo yekutanga, chinja chinzvimbo uye kureba kweiyo yekutanga kuti iwedzere kujekesa kwayo; kana kuita PCR nested.
A-2 template DNA
——Template haina kuchena— - Chenesa template kana bvisa DNA nemidziyo yekuchenesa.
A-3 Mg2+ kuisa pfungwa
——Mg2+ kuisa pfungwa kwakanyanya ——Deredza zvakanaka Mg2+ kusangana: Gonesa iyo Mg2+ kusunganidzwa neakateedzana ezvekuita kubva pa1 mM kusvika pa3 mM ine chinguva che0.5 mM kuona iyo yakanakisa Mg2+ kusungirirwa kwetemplate imwe neimwe uye yekutanga.
A-4 dNTP
——Kusungwa kweDNTPs kwakanyanyisa ——Deredza kusangana kweDNTP nenzira kwayo
A-5 Kuwedzera tembiricha
——Tembiricha yakadzikira chose inovhara —— Zvishoma nemazvo wedzera tembiricha yekuwedzera
A-6 Matunhu
--—Kwakawanda kutenderera —— Wedzera huwandu hwenhamba
Nhanho yekutanga ndeyekusarudza yakakodzera polymerase. Yakajairwa Taq polymerase haigone kuongorora nekuda kwekushayikwa kwe3'-5 'exonuclease chiitiko, uye kusaenderana kuchadzora zvakanyanya kuwedzera kwekuwedzera kwezvimedu. Naizvozvo, yenguva dzose Taq polymerase haigone kunyatsokwenenzvera zvidimbu zvakanangwa zvakakura kupfuura 5 kb. Taq polymerase ine yakakosha nadzurudzo kana imwe yakanyanya kutendeka polymerase inofanirwa kusarudzwa kuvandudza kuwedzera kwekuita uye kuzadzikisa zvido zvehurefu hwakareba kuwedzera. Uye zvakare, kukwidziridzwa kwezvimedu zvidimbu kunodawo kuenderana kunoenderana kwekutanga dhizaini, nguva yekuwedzeredza, nguva yekuwedzera, buffer pH, nezvimwe. Kazhinji, ma primers ane 18-24 bp anogona kutungamira mukukohwa kuri nani. Kuti tidzivirire kukuvara kwetemplate, iyo nguva yekuratidzira iri pa94 ° C inofanirwa kudzikiswa kusvika pamasekondi makumi matatu kana mashoma pasiringi, uye iyo nguva yekukwira tembiricha kusvika pa94 ° C pamberi pekukudziridza inofanira kunge iri pasi pe1 min. Zvakare, kumisikidza iyo yekuwedzera tembiricha ingangoita se68 ° C uye nekugadzira iyo yekuwedzera nguva zvinoenderana nehuremu hwe1 kb / min inogona kuve nechokwadi chinoshanda kukwidziridzwa kwezvimedu zvidimbu.
Chiyero chekukanganisa kwePCR kukwidziridzwa kunogona kudzikiswa nekushandisa akasiyana maDNA ma polymerase nekuvimbika kwakanyanya. Pakati pese maTaq DNA ma polymerases akawanikwa kusvika parizvino, Pfu enzyme ine yakaderera kukanganisa chikanganiso uye yakatendeka kuvimbika (ona tafura yakasungirirwa). Pamusoro pekusarudzwa kwe enzyme, vatsvagiri vanogona kuwedzera kudzikisa huwandu hwePCR nekushandura mamiriro ekugadzirisa, kusanganisira kugadziridza bhaisikopo, kuwanda kweinopisa polymerase uye kugadzirisa huwandu hwePCR.
Kubvira payakagadzwa, fekitori yedu yanga ichigadzira zvigadzirwa zvekutanga zvepasirese nekutevedzera mutemo
yemhando yekutanga. Zvigadzirwa zvedu zvakawana mukurumbira wakanaka muindasitiri uye yakakosha kuvimba pakati pevatengi vatsva nevakuru ..