限制酶切片段 的英文怎麼說

中文拼音 [xiànzhìqiēpiānduàn]
限制酶切片段 英文
restricted fragment
  • 限 : Ⅰ名詞（指定的范圍; 限度） limit; bounds Ⅱ動詞（指定范圍, 不許超過） set a limit; limit; restrict
  • 制 : Ⅰ動詞1 （製造） make; manufacture 2 （擬訂; 規定） draw up; establish 3 （用強力約束; 限定; 管束...
  • 酶 : 名詞[生物化學] （生物體的細胞產生的有機膠狀物質） enzyme; ferment
  • 切 : 切Ⅰ動詞1 （合; 符合） correspond to; be close to 2 （用在反切后頭 表示前兩個字是注音用的反切）見 ...
  • 片 : 片構詞成分。
  • 段 : Ⅰ量詞（部分） section; segment; part; paragraph; passage Ⅱ名詞（姓氏） a surname
  • 限制 : place [impose] restrictions on [to]; astrict; restrict; limit; confine; shut down on [upon]: 限制...
  • 片段 : part; passage; fragment; extract; segment; bit; episode; snatch; section
  1. It was suggested that eric - pcr could substitute for rapd in research related to the genetic identification and genetic diversity in auricularia and other edible and medicinal fungi : 2 to a certain extent, genetic differences among auricularia strains tested in this study did not have necessary relativity with their geographical origins respectively ; 3 in this study, genetic diversity in a. polytricha was higher than that in a. auricula : 4 in this study, a. fuscosuccinea had a higher homology to a. auricula than to a. polytricha ; 5 morphological characteristics validated the results from eric - pcr and provided a potential explanation for the higher similarity coefficient between a. auricular and a. fuscosuccinea ; 6 southern hybridization was employed by choosing a strain from a. auricula as a probe which hybridized with a. auricula and a. fuscosuccinea except a. polytricha, further confirming the veracity of the results from eric - pcr ; 7 in this study, isozyme analysis could not cluster the 7 strains from three auricularia species to different groups efficiently ; 8 2 strains from two auricularia species revealed high conservative degree and the restriction fragment patterns by 4 kinds of restricted enzymes showed no diversity

    本研究中，木耳屬2個種的2個菌株在its區域表現出較高的保守性， 4種限制型內切酶的酶切圖譜沒有顯示出多態性；增加內切酶種類及供試菌株數量，有可能獲得具有多態性的限制性內切酶酶切圖譜； 9本實驗中， its區域的真菌特異性引物與真核生物通用引物對于擴增效果無較大差異，擴增片段長度均為650bp左右； 10根據形態學實驗、 eric - pcr實驗以及southern雜交實驗的結果分析，紫木木耳屬種質資源的遺傳鑒定和遺傳多樣性評價耳極有可能是毛木耳種的一個變種; n .本研究中所用的gutc法是一種適用於木耳屬菌株基因組洲a快速提取的方法; 12 .傳統的形態學分類法和現代的分子生物學分類法，兩者的關系是相輔相成，互為驗證
  2. Large dna molecules are first dissected with restriction enzymes to produce specific fragments.

    首先用限制性內切酶將大的DNA分子切斷，產生出特殊的片段。
  3. In this paper, a field strain of infectious bronchitis virus was isolated from proventriculus tissue, morphological observation by electron - microscope and the biological characterizations of the virus were studied, pairs of specific primers are designed and synthesized in correspondence with them, according to the published sequences of infectious bronchitis virus three structural protein ( spike protein s membrane protein m nucleocapsid protein n ) genes, the cdna of si gene, s2 gene, m gene. n gene of ib v isolate lx4 were amplified by rt - pcr and full sequences were first reported

    在此基礎上，根據國內外已發表的ibv基因序列，分別設計特異性引物，應用不同引物進行反轉錄合成cdna ，分片段對ibv的主要結構基因進行pcr擴增，並分別將各個目的片段克隆到puc19載體上，在大腸桿菌dh5中實現目的基因的分子克隆，經藍白斑篩選、限制性內切酶分析、 pcr鑒定，篩選出重組陽性質粒，並對各個目的基因片段進行序列測定，從而獲得ibv主要結構基因全序列。
  4. An infectious eiav clone was recovered by transfecting fatal donkey dermal ( fdd ) cell cultures and donkey leukocyte ( dl ) culture in vitro with the full - length gene clone of dv. the virus ( designed pd70344v ) derived from the third passage in dl culture was observed by electron microscope and the reverse transcriptase ( rt ) activity was determined

    將包含全基因片段的三個基因克隆以限制性內切酶消化后順次連接克隆到載體ptz18r上，構建了4個全長基因的分子克隆，分別命名為pd30343 、 pd70333 、 pd70343 、 pd70344 ，其中兩個轉移到低拷貝載體plg338上，命名為plgd30343 、 plgd70344 。
  5. Objective : construct high - level expression system of echistatin in e. coli methods : obtain amino - acid sequence of echistatin from genebank database. considering the bias of usage of 61 available aminoacid codons in e. coli, design the coding sequence of echistatin, synthesize the dna sequence chemically, get single copy coding gene and repeated two copy coding gene of echistatin. insert the sequence into expression vector pbv220, and more, we construct fusion expression clone of echistatin with pcr, identify the recombinant vector by dna sequencing

    目的構建蛇毒鋸鱗蝰素（ echistatin ）的原核高效表達體系方法由genebank數據庫檢索蛇毒鋸鱗蝰素（ echistatin ）的氨基酸序列，結合大腸桿菌蛋白質合成體系對氨基酸密碼子使用的偏愛性，設計了echistatin編碼基因，體外人工合成編碼基因dna片段，通過適當的限制性內切酶位點插入表達載體pbv220 ，分別構建了echistatin的單拷貝表達克隆、雙拷貝串聯表達克隆；進一步通過pcr技術構建echistatin的融合表達基因克隆。
  6. It enables a specific gene to be located on a particular restriction enzyme fragment.

    它就能使專一的基因被定位於特定的限制性內切酶切成的片段上。
  7. Other chromosome elements, telomere and ars, have also been cloned for constructing artificial chromosome. arabidopsis telomere was cloned from pcr products using telomere repeat primers without other template. a 2000bp fragment of ars was released from arabidopsis genomic bac clone t14a4 by claidigestion and subcloned into clai digested pbluescript

    擬南芥的端粒是利用端粒的重復序列進行無模板的pcr擴增得到的；約2000bp的ars片段是從擬南芥的bac克隆t14a4中用限制性內切酶c1a1切下，然後亞克隆到通用載體pbluescript上。
  8. After electrophorised on 1 % agarose gel, the pcr production was purified with agarose gel dna extraction kit. the segment was ligated with vector pmd18 - t and then was tranformed into the competent cell of dh5 a. a construction mstnd - pmd18t was generated by inserting the sequence of 254bp into pmd18 - t vector and selecting the sense clones. positive clone was identified by three ways : endonuclease digestion, pcr and sequencing. the result showed that the cloned sequence coincides with the designed sequence. this construction was digested with nco i and xho i and ligated the pet28a ( + ) vector digested with the same enzymes using dna ligation kit. the production of ligation reaction was transformed into the competent cell of bl21 ( de3 ). after 12 - 16 hours of culture, several colnes appeared on the plate. some positive clones were selected to extract their plasmid. these plasmids were digested by nco i and xho i and indentified by pcr. a contraction, mstnd - pet28a was generated. the result showed that the cloned sequence coincides with the designed sequence

    F _ 1長38bp ， r _ 1長36bp ，其它片段均40bp長， f _ 1和r _ 1片段兩端分別加上限制性內切酶nco和xho的識別位點序列。用成對單鏈片段進行延伸反應，然後用其他單鏈片段作為引物，進行pcr擴增，用dna快速純化回收試劑盒回收所得254bppcr產物，與pmd18 - t載體連接、轉化dh _ 5 。受體菌感受態細胞，利用藍白斑遺傳學篩選法篩選陽性克隆，提取其質粒，採用nco和xho雙酶切鑒定，獲得了254bp的片段；用pmd18 - t載體上的特異引物rv - m和m13 - 47進行pcr鑒定，獲得300bp的片段。
  9. I and hindlll respectively. after the digested products were run via agarose gel electrophoresis and transferred into nylon membrane, the southern blot was carried out using the cdna of rubber tree etrl as probe. the result of the southern blot showed that a hybridization band ( - 3. 0kb ) turned up from the ecor i digested product and another band ( - 4. 8kb ) turned up from the hindi ]

    從橡膠樹pr107品系的嫩葉提取基因組dna ，用限制性內切酶ecor 、 hinofll分別酶切，瓊脂糖凝膠電泳分離並轉膜后，用克隆的橡膠樹etri基因的cdna片段作探針進行southern雜交分析，結果表明， ecor酶切在約3 okb處有一條雜交帶出現， hi 。
  10. The point mutation in vp2 residue 297 of canine parvovirus from ser to ala acid was examined, which causes a alteration of the restriction enzyme aiu i site

    根據vp2位點297的改變引起限制性內切酶aiu酶切位點的變化，建立pcr依賴性限制性片段長度多態性分析（ prfl ）方法，檢測vp2位點297的變異。
  11. Total rna was extracted from hepatic cells of mouse. a ecori and bamhi restriction sites were introduced into endostatin gene at specific primer f r, and endostatin was amplified by rt - pcr, this endostatin gene contained bamhi and ecori restriction sites at its 5 " and 3 " ends respectively

    從小鼠肝臟細胞中提取總rna 。設計合成一對特異引物，分別帶有ecori和bamhi的限制性內切酶的識別位點。用rt - pcr法擴增endostatin的基因片段，在endostatin基因的兩側引入ecori和bamhi酶切位點。
  12. 374 - nt sequence analysis between nt 47 - 420 and restriction enzyme ( re ) clevage site mapping of f gene between nt 34 - 1682 were used to compare the 18 isolates for genetic analysis. a phylogenic tree was constructed based on the 374 - nt - sequence data of eighteen isolates in the study and 37 ndv reference strains from genbank and published resources

    通過dnastar軟體對f基因47 470nt間片段進行同源性分析比較並繪制了遺傳進化樹枝狀結構發生圖，結合334 1672nt間三種限制性內切酶（ re ： hinf ， bsto及rsa ）位點的分佈情況，確定了這些分離株的基因分類地位。
  13. It has made the strong basis for further studying mechanism of replication, virulence and determinant, attenuation, pathogenesis, functions of genetic products, specific diagnosis, cell and host tropism, development of dna vaccine and marker vaccine of csfv, and provided an excellent tool for molecular virology. main research contents include : based on published nucleotide sequences of csfv and by the help of computer analysis software, high conservative regions and single restriction enzyme sites of genome were selected. utilizing rt - pcr and nested - pcr techniques, 7 overlapping cdna fragments covering the full genome of csfv c - strain were successfully amplified

    中國豬瘟兔化毒（脾淋毒）基因組cdna文庫的構建、序列分析：根據已發表的豬瘟病毒（ csfv ）核苷酸序列，藉助計算機軟體分析，選擇高保守區段和基因組中的單一限制性酶切位點，利用rt - pcr及nested - pcr和helf - nestedpcr技術，成功地擴增出了覆蓋c -株全基因組的7個cdna重疊片段f1 f7 ，分別克隆到pmd - 18t或pgem - teasy載體進行測序后，拼接出了其核苷酸序列。
  14. Halobacillus trueperi accumulates glycine betaine under condition of high osmolarity. a partial fragment of the glycine betaine transporter beth gene was obtained from the genome of h, trueperi with degenerate primers. through southern blot hybridization and inverse pcr, a 5. 1 kb ecori fragment containing the beth gene was sequenced

    將擴增片段用地高辛標記成探針，與用不同限制性內切酶完全酶切的h . trueperi總dna片段作southern雜交，結果顯示在ecori酶切片段的5 . 1kb處有陽性信號。
  15. Genes coding mature peptide of igfs were achieved by pcr using another pair of oligo - nucleotide primers to induce to the suitable restriction enzyme site, and the igf - i product of pcr contains 230 base pairs. igf - ii contains 219 base pairs. 3

    各另外設計一對特異性pcr引物，導入適當限制性內切酶切點，以上述連有目的基因的克隆載體為模板，採用pcr方法擴增基因片段，獲得長度約230bp的igf -和219bp的igf -成熟肽基因序列。
  16. The insert dna fragments are 7kb and llkb, respectively. two subclones that were designated pgr3h1 and pgr7h1 and can increase glyphosate resistance of e. coli jm109 up to 150mm glyphosate were constructed by subcloning the 2. 4kb and 3. 2 kb hind ? / psti fragments of pgr3 and pgr7 into the corresponding sites of pgem - 3zf and pbluescript. sequence analysis of these two subclones revealed a completely identical 1323bp open reading frame that encodes an epsp synthase

    以pgem - 3zf和pbluescript為載體，利用限制性內切酶hind和pst構建這兩個克隆的亞克隆，從中分別得到兩個草甘膦耐受亞克隆pgr3h1和pgr7h1 ，插入片段各為2 . 4kb和3 . 2kb ，對這兩個亞克隆進行序列分析，發現二者均含有一個核苷酸序列完全相同的完整的epsp合成酶基因? ? aroa ，其核苷酸序列長為1323bp ，推導的epsp合成酶由441個氨基酸組成，兩個亞克隆的草甘膦耐受濃度最大可達150mm 。
  17. With h. trueperi genomic dna and degenerate primers, a 560 bp pcr fragment was obtained and labeled as a probe. after h. trueperi genomic dna was digested with different endonucleases, southern blot result showed a 2. 6 kb positive fragment digested by ecori and ipcr was carried out to obtain the flanking sequence

    將擴增片段用地高辛標記成探針，與用不同限制性內切酶完全酶切的h . trueperi總dna片段作southem雜交，結果顯示在ecori酶切片段的2 . 6kb處有陽性信號。
  18. To screen the library, defferential screening had been employed. sixty - four clones were randomly picked to perform dot blot

    隨機挑出13個克隆進行限制內切酶分析，結果有10個質粒含有300一600bp的插入片段。
  19. The restriction map of the plasmid pbl29 was tentatively constructed according as the molecular weights of fragments of plasmid pbl29 digested with different enzymes. analysing the sequence of the plasmid pbl29 tested, we found that the mol ecular weight of the plasmid pbl29 is 371 lbp, that it s many unique restriction endonucleases, km resistance genes and abundant a / t base pairs of replicating site are on the plasmid pbl29

    同時根據限制性酶切各片段的分子量作出了質粒pbl29的內切酶圖譜。並對質粒pbl29進行測序和分析，證明了質粒pbl29大小為3711bp ，具有大量的單酶切位點、編碼卡那黴素抗性基因以及富含a t序列的復制起點。
  20. A eukaryotic expression vector pcdna3. 1 - cptl was constructed by insert cp77 gene into the vector pcdna3. 1 which is used in nucleic acid immunization. the vector was immuned the balb / c mice by the method intramuscular injection after extracted and purified in great deal. immu - nological reaction was induced by the expression of cptl after the vector entered into the mice body

    本研究通過限制酶將cpti基因片段從載體pbluel3上切下，插入真核表達載體pcdna3 . 1 ，構建了用於核酸免疫的真核表達載體pcdna3 . 1 - cpti ；質粒大量提取和純化后，通過肌肉注射的方法免疫balb c小鼠，基因表達產物刺激小鼠機體產生免疫反應，從而獲得了抗cpti蛋白的抗體。
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