nucleotide sequence 中文意思是什麼

nucleotide sequence 解釋
核苷酸順序
  • nucleotide : n. 【生物化學】核苷酸。
  • sequence : n 1 繼續;接續;連續。2 順序;程序;次第;關系;關聯。3 後果;結果;接著發生的事;後事;後文。4 ...
  1. The total rna was isolated from pokeweed ( phytolacca americana ) leaves using the method of guanidine isothiocyante and used as template to amplify the total length and deleted mutant pokeweed antiviral protein ( pap ) gene by rt - pcr and then the pap gene was cloned into pgem - t vector. the sequencing results showed that pap gene had 99. 9 % identity comparing with the pap gene nucleotide sequence reported by lin et al ( 1991 ). the iptg - inducible expression vector containing the pap gene was constructed and transferred into e. coli bl21 ( de3 ) - plyss

    將缺失型pap基因克隆到植物表達載體pbi121中,通過液氮冷凍法將重組質粒轉入農桿菌lba4404細胞中,然後採用葉盤法,在該農桿菌的介導下將pap基因導入普通煙草中,經過卡那黴素抗性篩選,最後獲得了轉pap基因的工程煙草植株,摩擦接種煙草花葉病毒( tmv ) ,與非轉基因煙草相比,能夠推遲癥狀表現達2月之久,說明pap基因能夠在其它植物體內產生有活性的高抗病毒的蛋白質。
  2. It also carries a specific nucleotide sequence, the anticodon.

    它還帶有特定的核苷酸序列即反密碼子。
  3. The complete nucleotide sequence of the mitochondrial genome of f. limnocharis was detailedly compared with those of 5 other amphibians. the nucleotide sequences of 22 trna encoded by 6 amphibians mitochondrial genomes were combined and aligned to the homologous sequences of the 11 veterbrate taxa. using teleosts as outgroup, the phylogenetic analyses results show that mp, nj and ml trees all strongly support the monophyly of living amphibians with respect to other living tetrapods and favor a sister group relationship for caecilians and salamanders

    我們在測定了澤蛙線粒體全基因組序列的基礎上,與已知其它的5種兩棲類進行詳細的比較分析,同時選擇了11種高等脊椎動物的線粒體全基因序列,以硬骨魚類做外群,用22個trna基因合併數據進行系統發生重建分析,結果表明mp 、 nj和ml樹都強力地支持現生兩棲類動物為單系群並且蠑螈類和蚓螈類為姐妹群關系(自引導值分別為92 、 99 、 100 ) 。
  4. 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基因,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基因至原核表達載體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基因708bp處出現了17bp的缺失,碰巧在3ab基因后形成一終止密碼子,但3ab基因的閱讀框架完整,選出含有3ab基因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基因在大腸桿菌中成功表達,其表達產物為分子量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。
  5. G gene of rabies virus m, the of two main regions ( about 1000nt ), ranging from 3161nt to 4162nt and ranging from 4012nt to 4863nt of glycoprotein gene of rabies virus strain m, isolated from mouse in he nan, china were amplified by reverse transcriptase - polynerase chain reaction ( rt - pcr ) in order to complete glycoprotein gene of strain m. these regions were sequenced by the produce of pcr directly. comparison and analysis of nucleotide sequence and amino acid sequence deduced with that of other strains published was performed by computer with dnasisv 2. 5demo software

    本研究對我國河南某地野鼠體內分離的狂犬病野毒株mrv基因的3161位? 4162位( 1001個堿基)和4012位? 4863位( 851個堿基)片段進行了反轉錄pcr擴增和序列測定,得到mrv的糖蛋白基因全序列,用dnasisv2 . 5demo分析軟體,與已發表的代表性毒株g基因全序列進行核苷酸和氨基酸序列的比較分析,結果表明在同一基因型中, mrv和國際標準攻毒株cvs的同源性最高( 96 . 5 ) ,和中國減毒株ctn的同源性最低( 79 . 8 ) 。
  6. Determination and analysis of complete nucleotide sequence of swine vesicular disease virus

    豬水泡病病毒全基因組核苷酸序列的測定與分析
  7. Fachb440 was higher than that in the others. alignment based on deduced amino acid sequences indicated that spirulina fachb440 was different from that in other three samples of arthrospira. nucleotide sequence similarity among the three strains of the genus of arthrospira ( 96. 5 - 99. 6 % ) was higher than that between arthrospira and spirulina ( 78. 1 - 78. 5 % )

    Maximaouqdsm )采螺旋藻( spirulinafachb440 ) rubisco大亞基基因( rbcl )部分片段並進行了序列測定與分析,結果表明:螺旋藻( spirulinafachb440 )的gc含量比其他的節旋藻品系高;氨基酸序列分析發現螺旋藻與其他節旋藻品系的差異較大;螺旋藻與節旋藻核著酸序列相似性約為78
  8. The 12940 bp nucleotide sequence of the mitochondrial genome of a brachyura dacapod, eriocheir japonica sinesis, was determined

    測定了短尾類十足目動物中華絨螯蟹的線粒體基因組12940bp的核苷酸序列。
  9. So must use information theory method depict and abundant the genetic diversity index system. in addition to, the introduce of molecule biology technology and the research of nucleotide sequence evolutive give a new method for population genetic, so must do deeply research about the analysis method of dna sequence data = the research main about the follows : there are three parts about the information model of population genetic : one about the shannon information entropy property of equilibrium population and the entropy change in the process of establish equilibrium ; another research is about the diversity measure - ment of genetic variation ; lastly, research the shannon information measurement about the disequilibrium gene variation. the result is : 1 to a definite gene distribution, the genotype entropy reach the maximum at the equilibrium population, the process of population from disequilibrium to equilibrium, the entropy get large and large

    此外,分子生物技術的介入及核苷酸序列進化的研究都為群體遺傳學的深入研究提供了新的途徑,但關于dna序列數據的分析方法需要作進一步的研究。本研究主要體現在以下幾個方面: (一)關于群體遺傳學的信息論模型研究,主要分為三部分內容:一是群體平衡的shannon信息熵的性質和群體平衡建立的熵變性質;二是群體遺傳多樣性測度的研究;三是非平衡群體的基因變異測量shannon信息量的方法研究。得到了如下結論: 1 、平衡群體的shannon信息熵最大,群體平衡的過程是熵的增大過程。
  10. We have identified a nucleotide sequence from ests ( expressed sepuence tagged ) acquired fromzap - cdna library of thellungiella salsuginea treated with 200mmol. l - 1 nacl and analyzed its nucleotide sequence characterization, gene organization, and differential expression under salt stress

    本實驗從200mmol . l ~ ( - 1 ) nacl處理的小鹽芥地上部分構建的zap - cdna文庫中克隆了編碼硫氧還蛋白的基因序列。
  11. According to the reported complete nucleotide sequence of goose parvovirus in genbank. with oligo4. 1. a pair of primers were designed and synthesized

    與主要結構蛋白vp3存在相同的抗原決定簇成分,是制備基因工程疫苗的重要候選基因。
  12. We have identified a nucleotide sequence from ests ( expressed sequence tags ) acquired form a cdna library of thellungiella halophila treated with 200mm / nacl by the large - scale partial sequencing of randomly selected cdna clones

    通過對小鹽芥的cdna文庫大量測序,在1000個est序列中獲得14個編碼th - nsltp的序列,這表明它是一個中等豐度的基因。
  13. In this paper, phylogenetic relationship of 13 species involved in 6 genera of cruciferae wer e carried out through both the clones of homologous sequences with the primers designed on the basis of conserved regions of cyp86mf gene in cytochrome p450 gene superfamily and the differential analyses of them. meanwhile, complete sequences of some genes in cytochrome p450 gene superfamily were isolated and identified by smart pcr - race strategy, and expressed in e. colt. the results were as follows : ( 1 ) isolated by pcr from 11 species of cruciferae, eleven homologous gene segments that deduced amino acids were identities of over 80 % at nucleotide sequence level and similarities of over 70 % at amino acid sequence level

    本論文以已知的細胞色素p450基因超家族成員cyp86mf基因的保守區設計引物對十字花科重要蔬菜作物的6個屬13個物種進行了同源序列的分離克隆,通過核酸序列的差異比較分析,研究了該基因在不同物種中的進化關系;同時,通過保守引物的pcr擴增和race相結合的方法對十字花科植物不同物種的細胞色素p450基因家族成員基因全長進行了分離克隆、鑒定和原核表達的研究,獲得如下研究結果: ( 1 )通過pcr從十字花科植物不同物種中擴增到11個可以推導出完整氨基酸序列的同源片段。
  14. In comparison with genbank data, the homologies of the nucleotide sequence and amino acid sequence were as following : hc was 98. 4 % and 100 % ; ha was 97. 2 % and 99. 3 % respectively. 4. two recombinant prokaryotic expression vector were constructed which has complete open reading occlusing initation codon, leader signal peptide sequence and termination codon

    序列分析表明,所克隆獲得的基因與genbank中已經登錄的核苷酸和氨基酸的同源性分別為: hc98 . 4和100 , ha97 . 2和99 . 3 ,證明本試驗蟲株與國外報道的同源性很高。
  15. It contained 187 amino acids deduced from the nucleotide sequence, and showed 65 % amino acid sequence identity with human aoeb166. the analysis of n - and c - terminal domains revealed amino acid sequences characteristic of features of mitochondrial and peroxisomal targetin

    原位雜交分析表明從受精卵到神經胚, aophihmgb基因廣泛表達,但隨著發育的進行,中胚層、內胚層和神經管的表達減弱,到1天幼蟲期,僅在表皮可檢測到表達。
  16. Hovever, the gene encoding the mature papain peptide was amplified using pcr from genomic dna extracted mid - development carica papaya fruit. about 98. 8 % of cdna nucleotide sequence reported in literature were homologous to the responding sequences of our study. there are three introns in the gene, in which the content of a and t is 86. 0 %, 79. 5 % and 90. 6 % respectively

    同時本研究以木瓜基因組dna為模板,通過pcr反應獲得了編碼木瓜蛋白酶成熟多肽部分的核苷酸序列,序列分析表明該基因含有三個內含子,其長度分別為157bp 、 266bp 、 88bp , at含量分別為86 . 0 , 79 . 5 、 90 . 6 。
  17. A pair of primer, dig labeled probe and a taqman probe based on the conserved nucleotide sequence of cp gene of different pnrsv strains were designed and synthesized

    本文根據病毒各株系外殼蛋白基因的保守序列,設計了雜交誘捕探針、 dig標記雜交探針以及確定了最佳誘捕參數和雜交檢測參數,建立雜交誘捕rt - pcr ? elisa 。
  18. Benzyl chloride were used for extracting genomic dna of aspergillus. niger 14, about 1. 5kb specific fragment was obtained from genomic dna of aspergillus. niger 14 by pcr amplification with primers ( forward primer5 " ataggcatcatgggcgtctct3 " reverse - primer5 " cagctaagcaaaacactccgc 3 designed according to the known sequences of the phytase gene in the gene bank and pyrobest ? dna polymerase, after ligated with pmd18 - tvector, transformated into e. colidh5a competent cell successfully. 3. nucleotide sequence analysis of the cloned fragment revealed the presence of the whole phya gene in pcr product

    用氯化芐法提取了aspergillus . niger14 ~ #基因組dna ,根據genebank中已知的黑麴黴植酸酶基因序列設計出一對特異性引物(上游引物: 5 ataggcatcatgggcgtctc3下游引物: 5 cagctaagcaaaacactccgc3 ) ,採用pyrobest ~ ( tm ) dnapolymerase (高保真dna聚合酶) ,通過pcr方法從aspergillus . niger14 ~ #基因組dna中擴增出了預期的1 . 5kb左右的特異性產物,將其與pmd18 - tvector連接后,轉化e . colidh5菌株的感受態細胞,經質粒抽提、酶切鑒定,確認該目的產物已得到成功克隆。
  19. Huangyal4 was complete nucleotide sequence of 1 854 bp with a nucleotide orf ( 1575 bp ), which encoded a protein consisting of 524 aa with molecular weight of 62. 2 kda and pi of 8. 96. strongly basic ( + ) amino acids, strongly acidic ( - ) amino acids, hydrophobic amino acids and polar amino acids of the protein were 13. 74 %, 11. 64 %, 36. 45 % and 22. 70 % respectively, and predicted secondary structure of the protein revealed many conserved domains such as n - glycosylation site, protein kinase c phosphorylation site, casein kinase ii phosphorylation site, n - myristoylation site, camp - and cgmp - dependent protein kinase phosphorylation site, tyrosine kinase phosphorylation site and a cytochrome p450 cysteine heme - iron ligand signature which was typical of cytochrome p450. a - helix and b - sheet of the protein is 47. 7 %, 45. 0 % respectively

    Huangya14 )為材料分離克隆到一個細胞色素p450基因,命名為bccyp86mf5 , cdna全長1854bp ,含1575bp的完整開放閱讀框,編碼524個氨基酸,其編碼蛋白質的分子量為61 . 2kda 、等電點為8 . 96 ;堿性氨基酸、酸性氨基酸、疏水氨基酸和極性氨基酸分別占總氨基酸的13 . 74 、 11 . 64 、 36 . 45和22 . 70 ;二級結構預測包括n -糖基化位點、依賴于camp和cgmp的蛋白激酶磷酸化位點、蛋白激酶c磷酸化位點、酪蛋白激酶磷酸化位點、酪氨基酸激酶磷酸化位點、 n -豆蔻酰化位點和細胞色素p450的典型區域,半胱氨酸亞鐵血紅素配體信號區等, -螺旋和-折疊分別佔47 . 7 、 45 . 0 ;與bccyp86mf1基因的氨基酸序列同源性達到95 . 2 ,與擬南芥cyp86c4的達到85 . 9 。
  20. This study provides the basis evidence for the research of nucleotide sequence evolution relationship between domestic and exterior countries. it also establishes foundation for further research about developing gpv molecular diagnostic reagent and genetic engineering vaccine

    本研究為了解國內外鵝細小病毒核苷酸序列演化上的關系,為開發研製新型分子診斷試劑和抗鵝細小病毒感染的基因工程疫苗提供了理論依據。
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