終止因子 的英文怎麼說

中文拼音 [zhōngzhǐyīnzi]
終止因子 英文
termination factory
  • : Ⅰ名詞1 (最後; 末了) end; ending; finish 2 (指人死) death; end 3 (姓氏) a surname Ⅱ形容詞(...
  • : Ⅰ動詞1. (停止; 攔阻) stop; cut out 2. (截止) close; end Ⅱ副詞(僅; 只) only; just Ⅲ名詞(姓氏) a surname
  • : Ⅰ動詞[書面語] (沿襲) follow; carry on Ⅱ介詞1 [書面語] (憑借; 根據) on the basis of; in accord...
  • : 子Ⅰ名詞1 (兒子) son 2 (人的通稱) person 3 (古代特指有學問的男人) ancient title of respect f...
  • 終止 : 1 (結束) stop; end; suspend 2 (停止) termination; annulment; abrogation 3 [音樂] cadence; 終...
  1. In this paper, first strand cdna of 3abc gene was synthesized using template rna extracted from cells infected with fmdv. the complete 3abc gene about isoobp was amplified by pcr and ligated into pgem - t easy vector. after transforming e. coli dh5 a, ampicillin resistant colonies were isolated and plasmid dna was prepared and analyzed by restriction analysis and pcr. presence of the full length 3abc gene was verified by nucleotide sequence analysis and the plasmid containing the expected sequence was named as pgem - 3abc. comparing the aquired sequence of 3abc with that of reference strains, the homology is more than 99 percent. the pgem - 3abc was digested with sal i and bgl ii and ligated into xho i and bgl ii - digested expression vector ptriex - 4 neo. lt was identified by restriction analysis and pcr and sequencing that this fragment had a 17bp deletion hi the nucleotide sequence 708bp of 3abc gene, which happened to form a terminator codon behind 3ab gene, but it contained the complete open reading frame ( orf ) of 3ab gene. positive clones were selected and induced with lmmol / l isopropyl - d - galactoside ( iptg ), bacteria were detected by sds - page and western blotting after properly treated. the results showed that the 3ab gene expressed successfully in e. coli and 33. 5ku fusion protein can be recognized by the positive bovine serum of fmdv. the amount of target protein is over 26 % of the total bacteria protein by gel thin layer scanning analysis

    擴增產物連接到pgem - teasy載體中,轉化大腸桿菌dh5菌株,篩選氨芐青霉素抗性菌落,提取質粒經酶切鑒定、 pcr分析以及確證性測序證明,所克隆的1500bp左右的片段含有完整的3abc基,與國外參考序列相比,同源性在99以上。將重組質粒pgem - 3abc和表達載體ptriex - 4neo分別用sal和bgl與xho和bgl消化后,亞克隆3abc基至原核表達載體ptriex - 4neo中,通過酶切鑒定、 pcr擴增以及序列分析,發現克隆到ptriex - 4neo載體上的片段於3abc基708bp處出現了17bp的缺失,碰巧在3ab基后形成一密碼,但3ab基的閱讀框架完整,選出含有3ab基完整閱讀框架的陽性克隆,用iptg誘導表達,收集菌液進行sds - page電泳、 westernblotting分析,結果表明, 3ab基在大腸桿菌中成功表達,其表達產物為分量33 . 5ku的融合蛋白,並能被口蹄疫病毒陽性血清識別。經薄層掃描分析,表達量占總蛋白量的26以上。
  2. Considering alcaligenes faecalis pencillin g acylase ( afpga ), which possesses the attractive characteristics for beta - lactam antibiotics conversions, the gene of pga was cloned into two expressing vector pkkfpga and psmlfpga. both the constructed plasmids psmlfpga and pkkfpga contained the pga gene, trc promoter and rrnb transcript terminator, differ in the replicon and antibotic marker, pkkfpga contained multicopy replicon ( cole 1 ) and ampicillin marker. while psmlfpga contained medium - copy replicon ( p15a ) and tetracycline marker

    本文將糞產堿桿菌青霉素g酰化酶( afpga )基構建表達載體pkkfpga和psmlfpga , pkkfpga和psmlfpga均含trc啟動、青霉素g酰化酶基、 rrnb轉錄,其中pkkfpga含有氨卞青霉素抗性基和cole1高拷貝復制;而psmlfpga含有四環素抗性基和p15a中拷貝復制
  3. The start reading framae and stop codons, base composition in protein - coding genes and the codon usage of amino acids in scolopendra multilane were compared with the three other myriapods

    本研究在蛋白質編碼基起始閱讀框和密碼、蛋白質編碼區的堿基組中文摘要成、氨基酸及密碼的利用等方面把少棘蜈蚣與另三種多足類進行了比較。
  4. 7. at the first time, the reporter dye, fam was linked to the 5 " - end of the oligonucleotides of the probes, and the tamra was located at the 3 " - end as quencher dye. we use camv35s and fmv promoter, nos terminater, mark gene nptii, and aim gene pat, epsps and cryla ( b ) genes as target sequences, design pairs of sp

    7 、首次以fam熒光素標記探針5 』端作為發光基團,以tarma標記探針3 』端為淬滅基團,以camv35s 、 fmv啟動、 nos、標記基nptll 、抗除草劑基epsps 、 pat 、抗蟲基cry1a )為檢狽目標,設計、篩選出特異性引物和探針,優化實驗參數,建立了轉基植物通用性熒光pcr定性檢測方法體系。
  5. J mol biol., 1992, 224 : 53 - 63. 26 abe h, aiba h. differential contributions of two elements of rho - independent terminator to transcription termination and mrna stabilization. biochimie, 1996, 78 : 1035 - 1042

    通過計算,我們預測到266個不依賴,其中包括232個蛋白編碼基, 12個trna基和3個rrna基,約17 %不依賴位於操縱的末端。
  6. Sv40 polya signal and two loxp sites was added consecutively after the termination codon taa, and then a gfp gene was inserted between the two loxp sites

    在三個密碼taa之後,連上sv40polya 。 sv40polya之後,又連上兩個loxp位點。在兩個loxp位點,插入標記基gfp 。
  7. Pcr method was used to identify candidate ms 188. sequence analysis indicated that a point mutation occurred in the second exon of the atmyb103 gene in male sterile mutant with caa ( gln ) replaced by a stop codon taa

    利用pcr的方法從突變體中擴增atmyb103基並進行序列分析,結果表明突變體中atmyb103基第二個外顯上發生了點突變,由原來編碼谷氨酰胺的caa密碼突變為密碼taa 。
  8. 25 reynolds r, chamberlin m j. parameters affecting transcription termination by escherichia coli rna. ii. construction and analysis of hybrid terminators

    研究synechococcus sp . wh8102的不依賴可促進對該菌基調控網路的理解。
  9. Analysis of the sequence variation of cytochrome b gene indicated that there is no evidence of insertions or deletions, i. e., they are all of identical length of 1143 bp in all the sequences of cytochrome b gene. further, the sequences can be fully translated into amino acid using chicken mitochondrial codon without nonsense mutations or intervening stop codons. the 1143 bp cytochrome b alignment contained 416 variable sites, of which 306 were parsimony informative sites with the strongest variable in third codon positions and less variable in first and second codon positions

    細胞色素b基序列變異分析表明: 1 )雁形目鳥類細胞色素b基全序列長度一致,無插入和缺失:對照雞線粒體密碼系統全序列能全部翻譯成氨基酸序列,無無義突變,全序列內部無密碼; 2 )序列比對后1143加,含416個核著酸變異位點, 306個簡約信息位點,其中處於密碼第三位的變異最大,第一位和第二位堿基的變異相對較小。
  10. Besides, vgb gene expression also increased the chitinase secretion. in order to make the vitreoscilla hemoglobin gene express in bacillus subtilis, an inducible promoter ( levansucrase ) was cloned from b. subtilis wb600 and ligated with a promoter - less vgb gene. the resulted gene is called sacvgb and was demonstrated to express in e, coli by sds - page and carbon monoxide binding assay

    由於vgb基啟動不能在枯草桿菌中啟動表達,此,根據已發表的果聚糖蔗糖酶基( sacb )序列設計引物,從枯草桿菌wb600總dna中擴增出該基的啟動片段,然後將其與vgb基編碼區及序列相連,成功地組建了sacvgb融合基
  11. Another detection method, dot blotting, was built also based on 35s promoter and nos terminator. the two genes were labeled by digoxin to done as probe used in dot blotting

    並將35s啟動和nos用地高辛標記后制備成基探針,建立了轉基檢測的分雜交技術?點雜交。
  12. The high - enzyme activity has 2 base changes, resulting in long amino acid sequence with native amylase. this inducing method resolved the problem of non - effective induction as in base analogue induction. and the method we used provide a new measure for this kind of work

    高酶活編碼區位點突變導致c -端序列變化和的后移本誘變方法克服了用堿基類似物在體內誘變由於核酸復制酶等的校正作用而造成誘變無效的難題,為基的誘變找到了一條新途經。
  13. It is most helpful to adise women in their mid to late 40s that the median age at menopause in nonsmoking women is 52 to 53 years and that symptoms such as hot flashes and longer interals between menses may be the most practical predictors of the approaching cessation of menses

    非吸煙婦女絕經的中位年齡為52到53歲,潮熱癥之類的癥狀及月經周期間隔時間的延長是接近月經最可行的預測,對那些將近50歲的婦女說明以上建議是有益的。
  14. It is most helpful to advise women in their mid to late 40s that the median age at menopause in nonsmoking women is 52 to 53 years and that symptoms such as hot flashes and longer intervals between menses may be the most practical predictors of the approaching cessation of menses

    非吸煙婦女絕經的中位年齡為52到53歲,潮熱癥之類的癥狀及月經周期間隔時間的延長是接近月經最可行的預測,對那些將近50歲的婦女說明以上建議是有益的。
  15. A new method for intrinsic terminator prediction based on rnall, an rna local secondary structure prediction algorithm developed recently, and two u - tail score schemas are developed. by optimizing three parameters thermodynamic energy of rna hairpin structure, u - tail t weight, and u - tail hybridization energy, the method can recognize 92. 25 of known terminators while rejecting 98. 48 of predicted rna local secondary structures in coding regions negative control as false intrinsic terminators in e. coli. this method was applied to scan the genome of synechococcus sp

    在過去二十年中,不少研究者已開始研究如何用計算方法來預測轉錄信號,如brendel和trifonov的雙核苷酸分佈矩陣法dinucleotide distribution matrix carafa等的統計方法transterm和rnamotif法等,這些方法都從不同方面考慮了rna二級結構和u -尾部的特徵,而gester的預測模型則設定rna二級發夾結構是不依賴的唯一素。
  16. The blotting detection showed : the pcr detection on 35s and nos is correct, while when the gms content decrease the detection signal weakened. so this method was not fit to be applied in market detection

    雜交試驗證明pcr擴增的35s啟動和nos為特異性擴增,當材料轉基含量降低時,檢測信號則明顯降低。
  17. Construction of male sterility expression vector by integration of artificial sense and antisense cdnas of hsp70 into puc18 and puc19 respectively, we can obtain psc and pac. tapertal specific expression promoter ta29 and terminator nos are connected directionally with sense and antisense cdnas of hsp70 extrected and purified from psc and pac., then integrated into puc18 and puc19, by which we can build sense and antisense cdna nos ( respectively named plasmid 650 and plasmid 651 ) of ta29 - hsp70. for the sake of better screening and examination of transformed gene, we cut plasmid 650, plasmid 651 and 3301 ( containing gusgene bar screening marker gene ) with hindiii and ecor i enzymes, then connect purified fragments of 650and 651 with plasmid 3301 to construct the vector 3301 + 650 and 3301 + 651. corroboration of whether sense and antisense cdna - nos is integrated into plasmid3301 can be made by plate screening and enzye - cutting analysis

    分別將從psc 、 pac回收純化的hsp70正、反義cdna與絨氈層特異表達啟動ta29及nos定向連接,然後插入到puc18 、 puc19中,構建成花藥特異表達的ta29 - hsp70sensecdna - nos和ta29 - hsp70antisensecdna - nos ,分別稱作650和651質粒。為了更好地對轉化進行篩選和檢測,用hind和ecor分別對650 、 651及3301質粒(含gus報告基和bar篩選標記基)進行酶切,將從650和651回收純化的目的片段與3301質粒進行連接,再對重組進行平板篩選和酶切分析確定ta29 - hsp70sensecdna - nos和ta29 - hsp70antisensecdna - nos插入到3301質粒中,構建成3301 + 650和3301 + 651表達載體。
  18. Conclusion we have constructed the expression plasmid pbv220 - hpf4 successfully. 3 ' - utr of h pf4 c dna was deleted and tag was mutated to taataa by pcr. after sds - page and densitometric scan analysis, the expression level of r hpf4 is 25 - 30 %

    結論本研究運用pcr定點突變技術,完全去除了hpf4cdna基3 」端utrat富含區:改用大腸桿菌強串聯密碼taaaataa ,成功構建高效表達克隆pbv220 rhpp4 。
  19. 5. in this study, we have cloned camv35s and fmv promoter, nos terminater, mark gene nptii, and aim gene pat, epsps and cryia ( b ) genes used as positive collate

    5 、克隆了camv35s 、 fmv啟動、 nos、標記基nptll 、抗除草劑基epsps 、 pat 、抗蟲基cry1ao )的陽性質粒作為轉基植物檢測的陽性對照。
  20. Then, 5. 5kb thrombiotin gene was amplified with the same technique from the genome of a baby ' s blood, which included the begining part of intronl to the teminator. in addition, 6. 0kb and 1. 8kb homlogous arms were also amplified from a cow with high yield. the 6. 0kb homologous arm contains the promotor, extron 1, extron2, extron3 and intron 1, intron2 and part of the intron3 fragment, while the 1. 8kb homologous right arms contains exon13, exon14 and part of intron 13, the whole intron14 and part intron 14 of asl - casein gene of bovine

    通過長片段pcr從高產奶牛的基組中獲得了打靶所需的長、短同源臂序列,長度分別為6 . 0kb和1 . 8kb ,位於s1 -酪蛋白基的5上游區到第三內含和十二到十四內含;從綿羊全血基組克隆得到了綿羊的-酪蛋白基啟動區到第二內含區4 . 1kb的5調控序列;利用同對引物克隆得到了水牛的同基序列;從廣西當地一嬰兒臍血基組中通過獲得了人血小板生成素基,位於第1內含後部分的序列,長達5 . 5kb 。
分享友人