當(dāng)前只顯示滿(mǎn)足指定條件的回帖，點(diǎn)擊這里查看本話題的所有回帖

東樂(lè)樂(lè)

應(yīng)助: 3 (幼兒園)
金幣: 1083
帖子: 50
在線: 29.5小時(shí)
蟲(chóng)號(hào): 3562569
注冊(cè): 2014-11-27
專(zhuān)業(yè): 流行病學(xué)方法與衛(wèi)生統(tǒng)計(jì)

[求助] 用組織提取總RNA后逆轉(zhuǎn)錄得到的cDNA進(jìn)行PCR一直未有目的條帶，請(qǐng)大家?guī)兔Γ? 已有3人參與

我打算做質(zhì)粒構(gòu)建，但是第一步PCR就進(jìn)行不下去了。采集新鮮組織后立即用Trizol法提取RNA，用takara的逆轉(zhuǎn)錄試劑盒得到的cDNA，用師兄師姐留下的引物進(jìn)行PCR可以擴(kuò)增出相應(yīng)大小的目的條帶（約1500bp），但用我自己設(shè)計(jì)的幾對(duì)引物都不能擴(kuò)增出條帶（目的條帶大小：3564bp），只有最下面有疑似引物二聚體的條帶，其余的一條帶也沒(méi)有。我想要獲得該基因的CDS全長(zhǎng)，之后進(jìn)行細(xì)胞轉(zhuǎn)染。選的酶切位點(diǎn)和載體都是實(shí)驗(yàn)室里現(xiàn)有的。實(shí)驗(yàn)新手有很多不懂的，請(qǐng)大家?guī)臀蚁胂朕k法，謝謝大家！

克隆載體：19T【T-Vector pMD19(Simple)】
表達(dá)載體：pEGFP-N1

引物：（其它引物跟這個(gè)差不多就是上下幾個(gè)堿基的增減）
上游：5‘-CCCAAGCTTGCCACCATGCCTTTTGGTCTGAAGCTC-3‘[Hind III酶切位點(diǎn)，我引入了Kozak序列(GCCACC序列)，據(jù)說(shuō)這樣有利于以后的表達(dá)]
下游：5’-CCGGAATTCTTAAATGAGTCTGGAGTTTTGGAGG-3’(EcoR I酶切位點(diǎn))

體系：共25μl
高壓過(guò)的純水 16μl
10X LA PCR Buffer II (Mg2+ plus) 2.5μl
dNTP Mix 2μl
引物上游、下游各1μl
cDNA模板 2μl
Takara LA Taq 0.5μl

條件：35個(gè)循環(huán)
94℃ 2min（3min也做過(guò)）
94℃ 30s
55℃（58℃和61℃也做過(guò)）1min
72℃ 4min
72℃ 10min
4℃ ∞

CDS序列：共3564bp
ATGCCTTTTGGTCTGAAGCTCCGCCGGACACGGCGCTACAACGTCCTGAGCAAGAACTGCTTTGTCACACGGATTCGCCTGCTGGACAGCAATGTTATCGAGTGCACGCTGTCGGTGGAAAGCACAGGGCAAGAATGCCTGGAGGCTGTGGCCCAGAGGCTGGAGCTGCGAGAGACGCACTACTTTGGCCTTTGGTTTCTCAGCAAGAGCCAGCAAGCACGATGGGTGGAGCTGGAGAAACCTCTGAAGAAACATCTGGACAAATTCGCTAATGAGCCTTTGCTTTTCTTTGGAGTCATGTTCTATGTGCCAAATGTGTCATGGCTTCAGCAAGAGGCCACAAGATATCAGTATTACCTGCAAGTCAAAAAAGATGTGCTTGAAGGGCGATTACGATGTACATTGGACCAGGTGATTCGGCTAGCCGGCCTAGCTGTGCAAGCTGATTTTGGAGACTATAATCAGTTTGATTCTCAAGATTTCCTCAGAGAGTATGTGCTATTTCCTATGGATTTGGCCCTGGAAGAGGCTGTTCTGGAGGAGCTGACCCAGAAGGTAGCCCAAGAACACAAAGCCCACAGTGGAATCCTGCCAGCAGAAGCTGAACTGATGTACATCAATGAAGTTGAACGTTTGGATGGATTTGGACAGGAAATCTTCCCTGTAAAGGACAATCATGGAAACTGTGTACACCTTGGCATTTTCTTTATGGGGATTTTCGTGAGGAACAGAATTGGAAGACAAGCGGTAATATACAGGTGGAATGACATGGGGAATATCACTCATAACAAGTCGACCATTCTAGTGGAGCTCATCAACAAAGAAGAGACTGCCCTCTTTCACACGGATGATATCGAAAATGCCAAGTATATTTCTCGGTTGTTTGCCACACGACACAAGTTTTACAAACAAAACAAAATCTGCACTGAACAGTCAAATTCTCCACCCCCCATCAGACGCCAGCCCACCTGGAGCCGATCCTCTCTGCCCAGGCAGCAGCCGTACATCCTGCCTCCCGTTCACGTCCAGTGTGGTGAGCACTACTCGGAAACGCACACCTCGCAAGACAGCATTTTTCATGGGAATGAAGAAGCCTTGTATTGCAACTCTCACAACAGCCTGGACTTAAATTATTTAAATGGCACTGTCACCAATGGCAGCGTGTGTAGCGTTCACAGCGTCAACTCCCTCAACTGCTCGCAAAGTTTCATCCAGGCCTCCCCTGTATCCTCCAACCTCAGTATCCCTGGGAGTGACATCATGCGGGCCGACTACATCCCGAGCCACCGGCACAGCGCGATCATCGTGCCCTCGTACAGGCCAACCCCCGATTATGAGACAGTCATGCGCCAGATGAAGAGGGGGATCCTGCATACAGACAGCCAGAGCCAGTCTCTGAGAAACCTCAACATTATCAACACCCATGCCTACAACCAGCCAGAGGATCTGGTGTACAGCCAACCGGAGATGCGGGAGAGGCACCCCTACACTGTCCCTTATGGGCCACAGGGGGTCTACAGCAACAAACTTGTCAGTCCATCTGACCAGAGGAACCCAAAGAATAATGTGGTACCAAGCAAGCCGGGGGCAAGCGCCATCTCGCACACGGTGAGCACCCCAGAGCTGGCCAACATGCAGCTGCAGGGCAGCCATAACTACAGCACGGCCCACATGCTTAAGAACTATCTCTTCAGGCCACCGCCCCCCTACCCACGGCCACGACCTGCCACCAGCACCCCAGACCTGGCCAGCCACCGCCACAAGTACGTCAGCGGCAGCAGCCCGGACCTGGTGACCCGGAAGGTGCAGCTCTCGGTGAAGACCTTCCAAGAGGACAGCTCTCCGGTGGTTCATCAGTCTCTCCAGGAGGTGAGCGAGCCCCTCACGGCCACCAAGCACCACGGCACTGTGAACAAGCGCCACAGCCTGGAGGTGATGAACAGCATGGTGCGGGGCATGGAGGCCATGACGCTCAAGTCGCTCCACCTCCCCATGGCTCGCCGCAACACGCTCCGGGAGCAGGGACCGCCCGAGGAGGGGTCAGGCAGCCACGAGGTCCCCCAGCTCCCTCAGTATCACCACAAGAAGACCTTCTCTGATGCCACTATGCTAATCCACAGCAGCGAGAGTGAGGAGGAGGAGGAGGAGGCTCCAGAATCGGTGCCCCAGATCCCCATGCTCCGGGAGAAGATGGAGTACAGTGCCCAGCTGCAGGCGGCCCTGGCCCGCATCCCCAACAAGCCCCCGCCTGAGTACCCCGGTCCAAGGAAGAGTGTGAGCAATGGGGCTCTGAGGCAGGACCAAGCCAGCCTTCCTCCCGCCATGGCCAGAGCCAGGGTGCTGAGGCATGGGCCAGCCAAGGCCATCAGCATGTCTCGGACTGACCCGCCGGCTGTCAACGGGGCCTCTCTCGGCCCATCCATCTCGGAACCCGACCTGACTAGTGTGAAGGAGCGGGTCAAAAAAGAGCCTGTGAAGGAGAGACCTGTGTCTGAAATGTTTTCCCTGGAAGACAGCATTATAGAGAGAGAGATGATGATCAGGAATCTAGAGAAGCAGAAGATGGCAGGCCTGGAGGCACAGAAGAGGCCGCTGATGTTGGCAGCATTGAATGGGCTCTCGGTGGCTCGAGTCTCAGGGCGGGAAGAGAATCGAGTTGATGCCACCCGGGTTCCCATGGACGAGAGGTTCAGAACCCTGAAGAAGAAACTAGAAGAGGGAATGGTGTTCACAGAATATGAGCAAATTCCAAAGAAAAAGGCGAATGGCATTTTCAGCACAGCAGCTCTGCCAGAAAACGCCGAGCGCAGCCGAATCCGTGAAGTTGTCCCCTATGAGGAGAATCGAGTAGAGCTGATACCAACCAAAGAAAATAACACAGGATACATTAATGCCTCCCACATCAAGGTGGTGGTTGGCGGGGCAGAATGGCACTACATAGCCACCCAGGGGCCCCTGCCACACACGTGCCACGACTTCTGGCAGATGGTGTGGGAGCAGGGAGTGAATGTGATTGCCATGGTCACTGCAGAGGAGGAGGGTGGACGAACCAAAAGCCACCGATACTGGCCCAAACTAGGTTCAAAGCACAGCTCAGCCACCTATGGCAAGTTCAAGGTCACCACGAAGTTTCGAACGGATTCTGTTTGCTATGCAACCACGGGCTTGAAGGTCAAGCACCTTTTGTCTGGGCAAGAAAGGACGGTGTGGCATTTACAATATACTGACTGGCCAGATCACGGCTGTCCAGAAGATGTCCAAGGATTTTTATCCTACTTGGAGGAGATCCAGTCGGTCCGTCGCCATACCAACAGCATGCTGGAAGGCACCAAGAACCGGCACCCGCCCATCGTGGTCCACTGTAGTGCTGGGGTGGGAAGGACCGGCGTGCTCATTCTTTCTGAGCTGATGATCTACTGCTTGGAACATAACGAAAAGGTGGAAGTGCCCATGATGCTGAGGCTCCTCAGGGAGCAGAGGATGTTCATGATCCAGACTATCGCTCAGTACAAGTTTGTCTACCAAGTCCTCATCCAGTTCCTCCAAAACTCCAGACTCATTTAA

總的mRNA序列：其中654bp至4217bp為CDS區(qū)域
ACTCGCACGGCCCCTTCCTCCCTCCTCTCCCGGCCGCTCGCATTTCCTGCCGCTCTGGCTCTCCCGGCCCCTCAAAGTTCTTTCCAACTTTTTCTCGGCGGAGTGAGCGCAGCGGGCGCAGACTCGGGGGCAGGTTGCTGTGCTTCTCCGGGCTCAGCCGCCTGCTCTCCTGGCTCAGGTCCTCGGGGAGCCCTAGACAGACATCAAGTGGCCACTGGCGCTCCTTCCCCTCCCAGCTGAGCCATCCTCCCCGGCCTCCTCGGGCGGGACAGCCCCGTGCTTAGGTTTTTCTCCTTTTCTCCCCCGGTGCGCCTCTGCTCGGACTCTCGCGCCGGGATCGCGGCGGAAACCTCCCTCCCCTTTCGCCTCCTGCGGCTCCTTCCCTTCGCCCCTCCTCCGCCAGTCACTGGAATCAATTCCGTGGGGAATCGGCTCCGCCGCCGCGAAGGACAGCCTTTCCGCGCGGGACTCCGGGGCGCCACGGGGGCCATGTAAGCAGCTATCTTCCAGAGGGCCACACTGGGCATGGACACCCTTTTCCCTGCCTGGAGGAGCACAGGTGATAGTGTAATTTTCCAGTCACGAAACTGCTAAGGCCATCTCAGGGGCGTGTGCGCCAGGATAGGCGGGCGGCGTCCGAGGACCACATAGCCATGCCTTTTGGTCTGAAGCTCCGCCGGACACGGCGCTACAACGTCCTGAGCAAGAACTGCTTTGTCACACGGATTCGCCTGCTGGACAGCAATGTTATCGAGTGCACGCTGTCGGTGGAAAGCACAGGGCAAGAATGCCTGGAGGCTGTGGCCCAGAGGCTGGAGCTGCGAGAGACGCACTACTTTGGCCTTTGGTTTCTCAGCAAGAGCCAGCAAGCACGATGGGTGGAGCTGGAGAAACCTCTGAAGAAACATCTGGACAAATTCGCTAATGAGCCTTTGCTTTTCTTTGGAGTCATGTTCTATGTGCCAAATGTGTCATGGCTTCAGCAAGAGGCCACAAGATATCAGTATTACCTGCAAGTCAAAAAAGATGTGCTTGAAGGGCGATTACGATGTACATTGGACCAGGTGATTCGGCTAGCCGGCCTAGCTGTGCAAGCTGATTTTGGAGACTATAATCAGTTTGATTCTCAAGATTTCCTCAGAGAGTATGTGCTATTTCCTATGGATTTGGCCCTGGAAGAGGCTGTTCTGGAGGAGCTGACCCAGAAGGTAGCCCAAGAACACAAAGCCCACAGTGGAATCCTGCCAGCAGAAGCTGAACTGATGTACATCAATGAAGTTGAACGTTTGGATGGATTTGGACAGGAAATCTTCCCTGTAAAGGACAATCATGGAAACTGTGTACACCTTGGCATTTTCTTTATGGGGATTTTCGTGAGGAACAGAATTGGAAGACAAGCGGTAATATACAGGTGGAATGACATGGGGAATATCACTCATAACAAGTCGACCATTCTAGTGGAGCTCATCAACAAAGAAGAGACTGCCCTCTTTCACACGGATGATATCGAAAATGCCAAGTATATTTCTCGGTTGTTTGCCACACGACACAAGTTTTACAAACAAAACAAAATCTGCACTGAACAGTCAAATTCTCCACCCCCCATCAGACGCCAGCCCACCTGGAGCCGATCCTCTCTGCCCAGGCAGCAGCCGTACATCCTGCCTCCCGTTCACGTCCAGTGTGGTGAGCACTACTCGGAAACGCACACCTCGCAAGACAGCATTTTTCATGGGAATGAAGAAGCCTTGTATTGCAACTCTCACAACAGCCTGGACTTAAATTATTTAAATGGCACTGTCACCAATGGCAGCGTGTGTAGCGTTCACAGCGTCAACTCCCTCAACTGCTCGCAAAGTTTCATCCAGGCCTCCCCTGTATCCTCCAACCTCAGTATCCCTGGGAGTGACATCATGCGGGCCGACTACATCCCGAGCCACCGGCACAGCGCGATCATCGTGCCCTCGTACAGGCCAACCCCCGATTATGAGACAGTCATGCGCCAGATGAAGAGGGGGATCCTGCATACAGACAGCCAGAGCCAGTCTCTGAGAAACCTCAACATTATCAACACCCATGCCTACAACCAGCCAGAGGATCTGGTGTACAGCCAACCGGAGATGCGGGAGAGGCACCCCTACACTGTCCCTTATGGGCCACAGGGGGTCTACAGCAACAAACTTGTCAGTCCATCTGACCAGAGGAACCCAAAGAATAATGTGGTACCAAGCAAGCCGGGGGCAAGCGCCATCTCGCACACGGTGAGCACCCCAGAGCTGGCCAACATGCAGCTGCAGGGCAGCCATAACTACAGCACGGCCCACATGCTTAAGAACTATCTCTTCAGGCCACCGCCCCCCTACCCACGGCCACGACCTGCCACCAGCACCCCAGACCTGGCCAGCCACCGCCACAAGTACGTCAGCGGCAGCAGCCCGGACCTGGTGACCCGGAAGGTGCAGCTCTCGGTGAAGACCTTCCAAGAGGACAGCTCTCCGGTGGTTCATCAGTCTCTCCAGGAGGTGAGCGAGCCCCTCACGGCCACCAAGCACCACGGCACTGTGAACAAGCGCCACAGCCTGGAGGTGATGAACAGCATGGTGCGGGGCATGGAGGCCATGACGCTCAAGTCGCTCCACCTCCCCATGGCTCGCCGCAACACGCTCCGGGAGCAGGGACCGCCCGAGGAGGGGTCAGGCAGCCACGAGGTCCCCCAGCTCCCTCAGTATCACCACAAGAAGACCTTCTCTGATGCCACTATGCTAATCCACAGCAGCGAGAGTGAGGAGGAGGAGGAGGAGGCTCCAGAATCGGTGCCCCAGATCCCCATGCTCCGGGAGAAGATGGAGTACAGTGCCCAGCTGCAGGCGGCCCTGGCCCGCATCCCCAACAAGCCCCCGCCTGAGTACCCCGGTCCAAGGAAGAGTGTGAGCAATGGGGCTCTGAGGCAGGACCAAGCCAGCCTTCCTCCCGCCATGGCCAGAGCCAGGGTGCTGAGGCATGGGCCAGCCAAGGCCATCAGCATGTCTCGGACTGACCCGCCGGCTGTCAACGGGGCCTCTCTCGGCCCATCCATCTCGGAACCCGACCTGACTAGTGTGAAGGAGCGGGTCAAAAAAGAGCCTGTGAAGGAGAGACCTGTGTCTGAAATGTTTTCCCTGGAAGACAGCATTATAGAGAGAGAGATGATGATCAGGAATCTAGAGAAGCAGAAGATGGCAGGCCTGGAGGCACAGAAGAGGCCGCTGATGTTGGCAGCATTGAATGGGCTCTCGGTGGCTCGAGTCTCAGGGCGGGAAGAGAATCGAGTTGATGCCACCCGGGTTCCCATGGACGAGAGGTTCAGAACCCTGAAGAAGAAACTAGAAGAGGGAATGGTGTTCACAGAATATGAGCAAATTCCAAAGAAAAAGGCGAATGGCATTTTCAGCACAGCAGCTCTGCCAGAAAACGCCGAGCGCAGCCGAATCCGTGAAGTTGTCCCCTATGAGGAGAATCGAGTAGAGCTGATACCAACCAAAGAAAATAACACAGGATACATTAATGCCTCCCACATCAAGGTGGTGGTTGGCGGGGCAGAATGGCACTACATAGCCACCCAGGGGCCCCTGCCACACACGTGCCACGACTTCTGGCAGATGGTGTGGGAGCAGGGAGTGAATGTGATTGCCATGGTCACTGCAGAGGAGGAGGGTGGACGAACCAAAAGCCACCGATACTGGCCCAAACTAGGTTCAAAGCACAGCTCAGCCACCTATGGCAAGTTCAAGGTCACCACGAAGTTTCGAACGGATTCTGTTTGCTATGCAACCACGGGCTTGAAGGTCAAGCACCTTTTGTCTGGGCAAGAAAGGACGGTGTGGCATTTACAATATACTGACTGGCCAGATCACGGCTGTCCAGAAGATGTCCAAGGATTTTTATCCTACTTGGAGGAGATCCAGTCGGTCCGTCGCCATACCAACAGCATGCTGGAAGGCACCAAGAACCGGCACCCGCCCATCGTGGTCCACTGTAGTGCTGGGGTGGGAAGGACCGGCGTGCTCATTCTTTCTGAGCTGATGATCTACTGCTTGGAACATAACGAAAAGGTGGAAGTGCCCATGATGCTGAGGCTCCTCAGGGAGCAGAGGATGTTCATGATCCAGACTATCGCTCAGTACAAGTTTGTCTACCAAGTCCTCATCCAGTTCCTCCAAAACTCCAGACTCATTTAATCACCCCAATCCAGCTCCTGGAGGAGGGACCCAGCTCCATCGCGCTGGAGGAGAGTCACCTCCAGACAACATCTGCTCCCCCCACAGGGGTGCAGGTGGCTGGCAGCAAACAGGCTCTCTGAAGACAGTAGCCAAGATTATTCACACATACCATGTATTATTTTATATGAGATAATTTATTTTTTTCCCCTTTGGAATAACTTTTGTGAATTATTATAATGCAGTTTCCCTAGTAATATAGTACTTTTCATTTGAACCACATCTTGACTGATCTGTATTGTAATATATGTCAGCAGGTAAGGTTGCCTGCTGGATCATTTTGAGGACAGAGGCATGAGGGAGCACATCTCTTGTGAAGTTGCAGCCAGATTTGTAACCAACCCTGAAATTCATCAGCTTAATTCATTTATCAGCTTGATTCATTCATCATTCATTGCTTATATCCAAAGCAAAGACGGTAAGAAAATGAATTCATCCTGAAATATAAAGAAAAGGGTCTGAAGGAACAAACACGATTCTCTTATATTTTGGGGCTCATGAGCCTTGATAGACAGTTTCCTCTCGTCTTCATTTCCACCCCTCATCCTCAGTAGTCTCCTCTCCCCCACGCCCCACCCCAACTTCCCCCCCAAGCTTGAGTTAAAGACAGAATAGCTAAAGACAGTGCTGCCTTTACAATGCAGTAATTGCCATCTTTGGGGCCGAAAGACAAGCTCTGTGTTGTGCTTTTCTTGACCACCCCTTATCCTGGGCTCTGGAGCTTGTGTTTCCCTGCTGGCGACTGTACCTTGGGTATTTGTTGCTACCTCTCCTGTTTGCTCAGTAGGACCCTGTCTGGTGGCATTGAGGCTCTGGACCAGACCATCTGTGCAGTTAAGGCTCTACCCTGATTGAGAGAGGATAGCAGACCTAGAAAGAGAAAGGAGTTGGGCAGGGCCTTTGAGGATTGTGTTTTTCAGGCAGGGCCTTGATGATCATTGTTTTTTATTTAAATAAGATGTGTGTGCTGGACAGAGACCTAAAAGTTGAGGTCACTAAGTCATTGGAAAGGCCATCAAGGAAACAGATGGGGAAGCTGATTTATGGGAGCTGTAAGGCATTTAGCTACATAACAGGGGTCCTGGCCAGGAAACACATCAAATGTGACCCCCGCTGTGCTGATATCATCTTCAGGCTTTGGTCTGCAAGATCAGAATTAATCCCACTCGGGACCCCATAGTCCAAACTTGGGGCCACTTGATGAACGATGGTAGAATTGTCATTGGCAGAGCCCTGTGCTTCTTTCCTTTTCTTCATAAAATCCACTCGCTGGTCAGTTATCTTCACTTTGAAGCCCAGTTCTTAGTTTCTTCCTATGGCTTCATTGGTCAGTGTCCTTCTGAATTTCCAAGGATGGTACACAATAAATCATGTTTTGTACTTTTTTCCTCTTACTGCATTTTGGGGGATTTATCATTCTATGTCTACCTTTTCTTGAGTACAGCTTTGATATGCACCTGTTGTTACGTGGTGATGGGAAGTCACAGGCGTGCTCTTTCTAGTTAATTTGATGCCACATCTTCCTTGTCTTTTCAGCTTGGGAAAAAGGCGGCAGTGGAGGAAGGCATGGAATGCCCACAGTGGTCAGTTCAAAGAACAAACGTGCAATTAAAAAACTGTAGTCAGCCAGGCACGGTGGTTCACACCTGTAATCCCAGCACTTTGAAAGGCCAAGGCGGGCAGATTGCTTGAGCTAAGGAGTTCGAGACCAGCCTGAGCAACATGATGAAACCCCGTCTCTACAAAAAGTACAAAAATTAGCCAGGCGTGGTGGTATGCCCTGGTAGTCCCAGCTGCTCGGGAGGCTGAGGCAGGAGGATCACCTGATTCTAAGAATTCGAGACTGCAGTGAGCCGTGATCTTGCCACTGTAGTCCAGGCTGGGCTACGGAGAGACCCTGCCTCCAAAAAAAAAAAAAAAAAAGGAAAAAAGGTTGTCAAGAAAAACTAGATGTTAGGAGAAAGGAAAATTTAATTGCAGTTTTTTTTCTTAGAATTGACTGCTGTGAGAGTTCCATATGCCTTTCTTCATTGCTGCTTTTGTCCCCCGTGAGCTAAAAAGATGGAGTGACATCAAATCAACCAGAAAAAGTATGCCTTTGTGACATCCCATCACCACATGCCAACAGGTATATATTCCCCATTAAGTTCTTCGGAATAGGAATCCTCTGTTTCAACCTGGCCAGGTGTTGTGGTGGCTGTACTCTAGTTAGACTCGGAATATCTGGGGATGGAGGGCTTCCCCTGTGTCTTCTACTTCAAGGTCTGAAGGCTCAGTGAAGGAGTATAATCTGCTGATCTTTGTAGATTCTGGAGTTTTGTTGTATGTCCTGGAAAGAAACCCATTAGTATTACATGTATTTTCAGTGAACAGAGCTTATAACCCTTATTATAAGAAGCTCATCAATAAGCAAAAAGATACTTGTTTCCTTTCCTTGGAGGTTTTTCCATCCTTGGGATATTCTGCTGTTAGGGATGTTTTAGCAAGTGGTCTCAGTTACTGGTTTATTGCGTGATGAACAACATCAGTATTTATCTTTTATCTCTAAGCCCCAAGGTGGGCACTGTTAGAATATGTCTCATGTGGACAGCATATAGATCTGGTGCGTCTTTGAGGTCGTCAGAGCTCATGGGCTTCCCTGAAATTCATCCACTGTCCCTGCCGTATGCTACGGGAATATTCATTAGTGTACAAAATGCAGGGAGGAAGTAGGTTTAATATTCAACTTTCTAGCCAAAGTTTATATTGAAACCCAAAAGAAAACATTTAAGAGTTGTTCCACATATTTCACTTTTAAAAACAAATGCCTTTGGTTCTTTAGCACATTTTGCATTCCTTTTCACATCTCCAGTAAATGCCAACATATCTCCTGTTAAATTAGCAGCAGCCATTTAAAGTCCTTTCGGTGGCATCTGCATAATAATTGCCCAGAGATGCTTTATATCTGGGAAGCAAGCCAAGGAATAAACCTTGAAGCAAAGTGTATTAAATTAGTTATCTAGTTAGAGCTTTTGGAATGATTTCCTGATGATGTATCAAGTCTGAAGCTGGAGCTGTCAGTGTCTATTGCTGCAGTTTGGATTTGAAGGGAGAAAATGTAAAATGGAGGAAAAAAAAGTTACCATCTCACAACAAAGCCATCAAACATTTTCCAGCCGCTGTTTTCGAGGTTTTCCAGTTGAACTGTTTGGTTTCTTTCATCCACACTCATTTGGATACATTGACCCGAGGTATTCATCCTTGTTTACTGTGGTCCCTGAATCATGGGGGCTGAATTTGATGTCTTCATCCTTGAGATGAGCCTGCTGGCTTAGCTGAGGAATGTCCTGCTGAGGTTTCTTAGGTTTCCTTGGGTTCTAAGGATATACTGGATATACCATCTTTTAGCAAGAGTATCTGGTAGCATTTACAGATAGCATAGACATTGGTATGCACTTCTTTCCCCAGATAGGAAGTAAAGGAGGATTTAGTTGCATGAAAAAAGGATGTTAAACATTGATTACATAGGAGTAAAGATGAATGAGCTGCAATATTCAGTCGGAGCTAAACAATAAGATCAGGGAAGGTAAAAATACCTATGTGGAATATTTTGAATCGTAAGCTTTTGAGGAGCTTAAATTGAGAGAATTTTACTTTTAATTTTGTAGATTGAGAAGAGGAACCGCTTTTTAAAATTATAGCTAAACTGTCATTGTTTTCCTAAGAGTCACTTGGCCATCTCTGGCCCCCTCTTTCATCAGCCTGAAGAGAGGGTCTTTGTAGACTGCTGAGGGTGGGCCTTGTAGGACTTGACCATGGCTTACACCTACTTAACCTTTATCCTGCTTTCTTTCAGCTTGTGCTTTTCAGTTATAAACTCCAGTGGGTACAGCAGGCTGGCCTTTTCATCCAGCTGATTATTTTTCCAGCTTAATATAGATTGACCCATATGAAATTTCCAATAATGGACCATATTTTCTGCAAATAGACAGTACTCGCATGGATCACCTATATCTTCCCCCTGATACACTGTGGGTCCCAACACCAGATGTCATTTCTCCAGAGCAGTGCTAATGAACACAAAAGGTATACCCTGGGTGGCCCAGCTCTTTTCACGAACGTGCTGCCCTGCTCATAGTGATCCTTGCATCACTTGGTGAATGGGCCATCTCCTGGGACATGGAAGTTGCAGAGGTAGATAGTGCACTGCAGCTTCTCTTAAGCCGGATTGGCCATCAGGCATATCACTCTGGAGTTTTTAGCTGCTGTCCTTTCCCGATGAACAGTCTGTATTAGCTGACCTCAGCCTACTTGTTACGTGACGTATGGGTCCCAAAAGTGTCCTTTGTCAAAAAGCAGAATGTGCCTTCTAGTCTCCCTTTCCCCATCTAATGGTGTATTCGATGGTGAAGATGAGTACAGTTGACCACCCCTATCTGTGGGTTCCACATCCCTATATTCAACCAAGTACAGATTGAAAAATATTTGGGGAAGAGGGGAAACCCACAAAGTTCCAAAAAGCAAAAGTTGAATTTGCCACATGCTGAATACTACATTGAATTCACACAAATGAAGTGATGTGTAGGCATTGAGTTAGGTATTGTAAATAATCTAGAGATGATTTAAAGTATGCAAGAGATGTGCATAGGTTATATGCAAATACTGTGCTATTTTATATAAAAGACTTGAACATCCATGGATTCTGGTATTCTCAGAGGGTCCTTGATTGCCCCCTTTGGTAAAGGACAACTATTTCGTTACTGATTTTCGTTTGGGGAAGATCTGTCAATCCCTTGAGGTGCGGGGGTTGGGGGGATGGAGGGTACAGGGCATTCTAGGATGTGTGCCAGGGAGCACAGATTCAAGGGATGGGATTGAGTCAGACCTGTGTTCTTACTCAGTGTCAGAAATAACTCTGTGGAGCTCCTAGAGTAAGACATTTCCGGAAGCACCACATAATTACTGTTGGGCTCTTAGGGTAGCCCTTTTAGGGAATTGAGCATTCCCATGTTTTACCAACAATTATTCTGCTGCTGTGTTTTATTATATTGCCAATGGTTTTGAGACACTCATCATGCTCTTATTTAGTGATTTCTTTTCATGAGCAGAGCAACAGCTCATCCAGCATGGTTTCCAAATGGAGAAATTTGGGTCTTCTGTAGAAACCACACAAATTCTCCAATGGCCTACAGCCTTATGGTTGGCACACTAGTTGGCCCTATAGGGTGGAAATAAAGCTGTAAGATGTTAAACTGCATTTGATACTTCTCTTGAACGCTGAGCAAGGAAGCAAAATAGTTCTTGTCTTTACTTAAGCTTCTAAGACATTTTGGGGCAAAGGACCTTACAGATGGCGTCTGTTGAAAGTAACAGCAACGTGCCAGGGAGAAATGTGGGGGAAATCTCATCAAATTCTGCCACCTCAAATGTGTTGTCCAGAAGTCAGTGTTATTCAGGGGGCCCTGTGAAACTTGACCACCAGCTTGCGCCATCAACACTCAGCCTTTATCCAGCCTGCTCTCAGCTTTTGTGTTTCTGTTAGAAACTCAGATAGGTAAGTATTTTTATTCAGTAGACTACCTTTCTTATCTTTTCAGCTTAATATAGCTGCATCTTCTTTCTCAAAGCCAAACTAAGATATTCTCTATTAAAATGTCCATGAGCCTAGCATTGAGTGTCTGGCATCCATCAATTTCATAGACTGGAAAATGATTGTTGTTTGGTACAGTAAAGAAGAGGATGTGCATCAGTTCCTACCGTTTGCAGCTTTGTTTTTAGCCTTCCCATTTTAAAAATAAATTCAAGGACATTGAGTTACAAGGCAGGAGGGCTGGAGCTACTGGGCAGCCTGAATATGACAAGCATTTGTGTGGAAAGTCATTGCTCCTTCTGCCACACTTTGGGCCATCAGGATCATTCTTTCCCAGAAGTGCCATAAACTTGCTCAAAAGTTTCTATAAATGGGAAGAGGGAGAGGAAGGATTTTTGCATCAGTCCTGAAGTTGCTATCCAAAAGTTCTCTGTTTCACAAATAATTTTCTGAACTCTGGAATGCCTCTCCTACTCCCTGCCTCCCTTTCTGTAATGTCAGAGTGATGGAAACCACCAAGTGGCATGCTAGGGAAAGCCTGCAGCAGTGTTGGAGTCTATTTCACCCTAGCTCATAGTTTTAAACTGTCTTCACTGTTGAGGTAGAGCTTGATGAATGTCATGGATTATGATGTGTGGTTTATCATATTTGCCTGGATTTGCTGATCAAAAGCACCATCTTCCCTCGCCTGCTGCTGGCAGCCTTTCCTTGCCTTGCTTGTTAGCAGAGCATTCTGCTTACCCATGTGGCTCCCAGAGTTAGCAGCCCCGGCTCTTGGATTTCTTGATTCTTCTCCCCTGTGATCTCAGAGGTGCTGCAGAGGACATTCCCCTTTAGAGCAAGTCATGTTTCTATTCAGGCCACAAAACTGGGATGTACATGCAGTGACTTTGGTGTTCCTTGTCTTGTTCAGGGGAACGGGTGGGACTGTTGTGTGCTGTCACCCTCTTCATTCCATGAGCACCTTGTTCACTTAGGGTCTGCTGCCTTTTTTTTTTTCTTTTTCTTTTTTTTTTTTTTTTTAGTTTTTGAGATCGTGTCTCACTCCTGTTGCGCAGGCTGGAGTGCAGCCTCCAAAGTAGCTGGGATTATAGGCGTGCACCACCACACCCGGCTAATTTTTATATTTTTAGTAGAGACGGGGTTTTGCCATGTTGGCCAGACTGGTCTCAAACCTCTGACCTCGTGATGACCCCCCTCGGCCTCCCAAAGTGCTGGGATTACACCCAGCCTCTGCTGCCTTTTCATATTTCCCCATCTGCTTTATGGATCAACTCTCAACAGTACACTTTTTCTTTTCTTTACCTACCCTATGAGTGCAACCCAGATGTAAGAGTTAATCCTCGTCAGAGAATCATTGCCTTAAACCTCTCAGAAATATGTAATTAGGAAATCTTATTTTAATTTTTTAAAAATTGCTTGTATAGTTTCAAAGAATAAGATCTGGCAAATGGCCAGATGTGGTGGCTCACACCTGTAATCAAACCAGCACTTTGGGAGGCTGAGGCAGGCAGATCACCTGAGGTCAGGCGTTCAAGACCAGCCTGGCCAACATGGTGAAATCCCGTCTCTACTAAAAATACAAAAAAAAAAAAAAAAAAAAAAATTAGCCAGGCATGGTGGCACATGCCTGTAATCCCAGCTACTCAGGAGGCTGAGGCAGGATAATTGCTTGAACCCGGGAGGTGGAGGTTGCAGTGAGCCGAGATCATGCCACTGCACTCCAGCCTGGGCAACAGAGTGAGACTTTGTCTCAAAAAAAAAAAAAAAAAAAAAAAAAGATCTGGCGGATGAAAATAACCAGAATGAAAATAGCTAGAAAACTCAGCAAGCAGGAAGCTCCCTTTCTCACCCTTTTGTTCCCTTGCCGATAGAATCAGTCACTATTAGAAAAAATGAAAGACGCTCTGTTTAAAACAATGATGACAGCAGTACTTAATATGTATTTCGAGGTGAACTTATATAGATTGAGAGAGGCTGCATTTGGCAGACTGATGTATAGGAAGACCCATTTGTTTCTAGCTTCTCCCTGCAGGGAAAATGCTTTCGTCATTATAGCCTCTTTACACAGACTGGCCATTCTAGTGAAACAGGTGGTAAACCTTTGGGCTGCCCAGAAACATTTTATCTGTTTTCACTTACCTAGGAAGGGGAAAGATTAGCGGGTCATCCAAAATCTGTATGTAAGCTATCTTCATTTTCTTCCCCAACCTTCTCCTCCTGGGAAACACAAATGCTATCTCATCTGACAAAAGGTTTTAGAGGATAAAGCTGAAAAGATTGGATTGGGATCTTTTTGTGGCTTGGGGCGGAGCCTTTTGCTAAAATCTCAAGAATGCTGCTTTGAGTTTAGCTAGGGTGGCTCTCAGAACTGGGGTGCCTGGCATTCTCAGCATTTCTCAGGGGCCTCCCACCTCTGACAACTGCAGTGTTAGCTAATACATACCTTGAGCATAGAACTGAATGCTGTAATTCAGAGCCATTTTTTTTTTCAACTTGAACATTGTACAATTTTACTGCAATTTCCTTTGAACTTTCTTGCCACTGTTTGGAATCTTAAAAATTCATTAGCCTTCTCCTTTCTGACATAAAGCTACTCTTCATCAGAGATGAGTTCCTATGTATGTCCTTTGTTCCTTCAATAGCTAATTAATGTGCTTGAGGATACTTCAGTGGAAAAAAAGGTTTAAATATGCAAATTACTAATAAATGTGTAACCTTATGTAACTTGTGTTACATCAAGTAACAAGCTAATCTAGTTTGTTTCACTGGACTAGGCTTGTGCTCCCTACTTCAGTATTTTGATGCTTTCCTTGATCTTTGTTTCACAAAATGTTGTGAATTTTGGTATCATTCAAAACAAATGACATTTATTAGGTTTCATTTTGAAACGATGTACAGACAAGTCCCCAACTTAGAAACCGGTTTGTTCTTAAGGTTCTTGCGTCAGCCCATAGAAGCCCACTGACCTCCACCACAGCCCAAATGGAGGGCTGTGATAGCCAGATCTGGTTGGCTTTTGTGGGCTGACCCAGACATTTAATCACCATCTCTTATGTTGTTGCCGTAAGAAATGCATTCCAGGTTGGGACTTGGGATCCTGAGAGCACATTCGCCCCCTGTGGTGGCCGCTTGCCACCTTGCAAGATGGAAGCCCAGTCTCCTTACTACCAAACTGTAGTTGTAAGCAGAGGGAGGGGTGAGATGTTTATAGGACATTCCCTAAGCTGGGGAGTGATTTTTATCACTATTCATGTCAACTGTACTTTGGTATAGACTCCCTATCAATTTAATAATATGAAAAGCCTAAAATAAAACTATGCATGCTATTCTATGTGCTATTTTATATCAGTAAATAAGCTTATGCTTGCCAGTTGTATACACAGTTATGAGGTGTATAGAACTGACTTTGACAGTATTTTTTGCACTGTTTCCTATCTGTTTTTATAAAGTCTTATTTAGATATTGGACCTTGTTGATGTTCTCACTGCCCTTGTGCTTGCTATAAAATGTTTCATATGTGCCTTTACAAATGTGAGATCTTTATTCTAACCTTTTTTTGTAAAAGATATCTATTGATTTCCATATGCAATAAACCTTTTTTTCAGAGAAAAGTTA

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1樓 2015-10-16 13:30:29

已閱回復(fù)此樓關(guān)注TA 給TA發(fā)消息送TA紅花 TA的回帖

東樂(lè)樂(lè)

金蟲(chóng) (初入文壇)

應(yīng)助: 3 (幼兒園)
金幣: 1083
帖子: 50
在線: 29.5小時(shí)
蟲(chóng)號(hào): 3562569
注冊(cè): 2014-11-27
專(zhuān)業(yè): 流行病學(xué)方法與衛(wèi)生統(tǒng)計(jì)

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引用回帖:

2樓: Originally posted by liping121200 at 2015-10-16 15:45:27
你的目的條帶太長(zhǎng)了，一般情況下PCR擴(kuò)增的最大片段就是3kb，你需要想其他辦法了，用擴(kuò)長(zhǎng)片段的long taq酶或者做分段克隆做拼接了

謝謝你的回答，請(qǐng)問(wèn)如果做分段克隆的話有什么好的建議嗎？例如酶的推薦和引物設(shè)計(jì)的經(jīng)驗(yàn)?zāi)芊窒硪幌旅�？因�(yàn)闆](méi)有接觸過(guò)分段克隆，請(qǐng)多多指教！

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3樓2015-10-19 09:05:11

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liping121200

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感謝參與，應(yīng)助指數(shù) +1

你的目的條帶太長(zhǎng)了，一般情況下PCR擴(kuò)增的最大片段就是3kb，你需要想其他辦法了，用擴(kuò)長(zhǎng)片段的long taq酶或者做分段克隆做拼接了

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東樂(lè)樂(lè)

好好學(xué)習(xí)，天天向上

2樓2015-10-16 15:45:27

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秉秉的法蘭西

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我們一般會(huì)先p個(gè)內(nèi)參看看，先確定cdna沒(méi)問(wèn)題

發(fā)自小木蟲(chóng)IOS客戶(hù)端

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4樓2015-10-19 12:02:43

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秉秉的法蘭西

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我當(dāng)年也是三千多的片段，很弱，我用kod fx酶，保證性高，p了兩管收集到一起膠回收的，然后二次pcr，不過(guò)takara的反轉(zhuǎn)試劑盒的保證性不是特別高，我曾經(jīng)遇到過(guò)突變的情況

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5樓2015-10-19 12:07:31

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