氨基連接物 的英文怎麼說
中文拼音 [ānjīliánjiēwù]
氨基連接物
英文
amino linker- 氨 : 名詞[化學] (氮和氫的化合物) ammonia; hydrogen nitride
- 連 : Ⅰ動詞1 (連接) link; join; connect 2 (連累) involve (in trouble); implicate 3 [方言] (縫) ...
- 接 : Ⅰ動詞1 (靠近;接觸) come into contact with; come close to 2 (連接; 使連接) connect; join; put ...
- 物 : 名詞1 (東西) thing; matter; object 2 (指自己以外的人或與己相對的環境) other people; the outsi...
- 氨基 : amido group
- 連接 : connect; fit together; link; marry; mate; joint; association trail; linkage; concatenate; concate...
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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。Ghrelin regulates pituitary growth hormone ( gh ) secretion. in the study, we obtained the cdna sequences of preproghrelin and the cdna encoding the ghrelin of duck, goose and emu by using rt - pcr and 3 " - race methods. and then deduced the amino acid sequences of preproghrelin and ghrelin in duck. goose and emu. sense and antisense primers were designed on the basis of chicken ghrelin cdna sequence ( dest accession no. ab075215, 836bp ) and proventriculus cdna was performed as the template
Ab075215 , 836bp )設計引物,以鴨、鵝、鴯鶓腺胃cdna為模板,通過rt - pcr及3 - race的方法,將各個產物經過回收,再經連接轉化,克隆測序,拼接后得到鴨、鵝、鴯鶓preproghrelin基因的cdna序列及ghrelin的cdna序列,並由此推測出preproghrelin及ghrelin的氨基酸序列。Using rt - pcr with two degenerate primes designed from conserved amino acids of cdpk kinase and autoinhibitory domains, three 618 bp cdna fragments ( 618 - 1. 618 - 2 and 618 - 3 ) were also isolated from broad bean leaves, and a partial cdna vjcpk2 lacking 5 " end was isolated from broad bean leaves with two gene - specific primers designed according to the 618 - 1 sequence
用rt - pcr技術,以cdpks激酶區和連接區的保守氨基酸設計的一對簡並引物,從蠶豆葉片中還擴增到了3個618bp ( 618 - 1 、 618 - 2和618 - 3 )的cdna片段;用race技術,以618 - 1序列設計的一對基因特異性引物,克隆到了還缺少5 』末端的cdna片段vfcpk2 。The results showed mn and ni complexes possibly bind to dna by the mode of interaction, whereas zn complex possibly bind to dna by the modes of interaction and electrostatic binding. 5. in addition, we conjugated cleavage system with recognize system and analyzed joint products by hplc, which provide experimental basic for design of dual effects cleavage
此外,本文還選用咖啡酸純品來突破切割體系與識別體系(用氨基臂修飾的寡聚脫氧核苷酸)的連接,並用高效液相色譜法分析其偶聯產物,為今後設計併合成一種具有特異識別和高效切割雙重功能的人工核酸酶提供了實驗基礎。In order to check if it is the aim gene, we devised pcr with a new pair of primer, sequenced and registered the product with registration number : af449446. moreover we forecast and analysis the primary, secondary, tertiary and quaternary structure of the three protein : osftszi, crftszi and crftsz2 which has already cloned by our team before. after that we construct ftsz molecular evolution tree to site them in
又將生物信息學技術同實驗技術相結合,針對ftsz保守區設計引物擴增出一條衣藻ftsz片段,進行est搜索、比對、拼接,最終克隆出新基因crftsz1 ;連同本試驗室曾經獲得的另一個衣藻crftsz2基因進行蛋白質的一、二、三、四級結構預測、分析及比較尋找進化線索,建立了ftsz蛋白的氨基酸進化樹作進一步的進化定位。Oligochitosan is not only water - soluble, non - toxic, biocompatible but also possesses versatile functional properties of chitin and its derivatives, such as polyelectrolite properties, the presence of reactive functional groups, gel - forming ability, high adsorption capacity, bacteriostatic, fungistatic and antitumour influence, and thus it has attracted more and more attention in the field of biology. previous investigations have shown that chitin and its derivatives have immunoenhancement activities
殼寡糖是由3 10個n -乙酰氨基葡萄糖殘基或氨基葡萄糖殘基通過- 1 , 4 -糖苷鍵連接而成的寡糖,它具有良好的水溶性、組織兼容性,在生物體內易降解,同時也具有抑菌、抗腫瘤、調血脂、調節免疫及活化腸道雙歧桿菌等多種生理功能,因此已成為眾多領域的研究熱點。To prepare the wild type mbl in prokaryotic system, a pair of primers was designed and synthesized, and was used to amplify mbl gene from the recombinant vector pgem - mbl that contans wild type mbl cdna. a recombinant prokaryotic expression vector, pet28 - mbl, was constructed by inserted the mbl gene into plasmid pet28 ( b ), and after transfected it into ecoli bl21 ( de3 ) and induced with iptg, recombinant mbl protein was expressed successfully
本實驗另選用了原核表達質粒pet28 ( b ) ,根據已構建好的含有mbl野生型基因的t載體pgem - mbl ,設計一對引物, pcr擴增mbl基因,凝膠回收,雙酶切pcr產物和pet28 ( b )質粒, t4連接酶連接,轉化大腸桿菌dhsa ,氨芋選擇培養挑取克隆鑒定。Polypeptide a compound that contains many amino acids linked together by peptide bonds
多肽:包含許多由肽鍵連接的氨基酸構成的化合物。The close genetic relationship of goose parvoviruse and aav allows the examination of the molecular biological properties of the nonstructural proteins of gpv. after the gpv infected the cell the viral life cycle was regulated by the nonstructural proteins encoded by the virus. according to the published of gpv b strain genome nucleotide sequences in genbank and a pair of specific primers were disigned with oligo4. 1
本研究根據genbank發表的gpvb株全基因序列,藉助oligo4 . 1軟體設計一對引物,採用pcr技術擴增gpvh1株非結構蛋白ns2基因,並與pmd18 - t載體連接后測序,結果表明:鵝細小病毒h1株ns2基因核苷酸全長1356bp ,編碼451個氨基酸殘基,與gpvb株的ns2基因相比,核苷酸數目相同,有17個堿基、 6個氨基酸的差異;同源性分析表明:二者核苷酸序列同源性為98 . 75 ,推導氨基酸序列同源性為98 . 67 。First, the purified pezzis and pcr product of angiostatin are digested by ecor. i and xba i. after purifying the digested products respectively, we ligate these two kinds of dna by t4 dna ligase and construct the recombinant plasmid pezz18 - as. then transform it to the competent e. coli dh5a
用限制性內切酶ecori與xbai對目的基因as 、表達載體pezz18行雙酶切,酶切產物純化后利用大腸桿菌t _ 4dna連接酶連接構成重組子pezz18 - as ,並轉化e . colidh5 ,經氨芐青霉素lb平板初篩后,以菌液pcr和重組子的單、雙酶切行進一步鑒定。The study on the function and mechanism of phrip1 is important for clarifying how the cell plate and cell wall form in plants. in this study, full length of phrip1 is amplified by pcr and ligated into pks plasmid, then the bait plasmid, peg202 - phrip1, is constructed. the inseret gene are sure to be translated into the right fusion protein through its sequence. in the yeast two - hybrid system, the bait plasmid ( peg202 - phrip1 ) and a reporter plasmid ( psh18 - 34 ) are introduced into the yeast ( egy48 ) by co - transformation. then cdna library ( which is in pjg4 - 5 ) is screened and two genes are obtained. the two insert gene fragments are sequenced. one of them is plastocyanin, the other is putative photosystem i reaction center subunit ii precursor, both of them are the necessary components of photosynthetic chain
成膜素相關蛋白1 ( phrip1 )是一個含608個氨基酸的蛋白質,它對于植物胞質分裂中細胞板的形成起到了十分重要的作用。研究phrip1的功能和機制,對在分子水平上闡明植物細胞板以及細胞壁形成的機理具有重大的生物學意義。在本實驗中,根據phrip1的序列設計引物對其進行pcr擴增,得到該基因后將其連接到了pks質粒上,並進一步構建成了誘餌質粒peg202 - phrip1 。To construct eukaryotic expression vector of mbl gene with codon 54 point mutation, the target sequence in pgem - mbld plasmid, which conains mbl cdna with codon 54 mutant allele, was amplified by pcr. after the cdna fragement and plasmids pci - neo were prepared by digestion with sma i and sal i, the fragment was inserted into sma i and sal i site in pci - neo eukaryotic expression vector, and the recombinant vector, named pci - mbl54, was obtained. the pci - mbl54, digested with restriction enzymes, was found to contain the point mutation mbl cdna by agarose gel electrophoresis analysis
本實驗以ggc54gacmbl突變為研究對象,選用真核表達質粒pci - neo ,根據已構建好的含54位密碼子突變型mbl基因t載體的結構,設計合成新的引物, pcr擴增54位密碼突變型mbl基因,凝膠回收,雙酶切pcr產物和pci - neo質粒, t4連接酶連接,將前者克隆至後者的sma和sal位點,轉化大腸桿菌xl - 1blue ,氨芐選擇培養。分享友人