gene element 中文意思是什麼

gene element 解釋
基因成分
  • gene : n. 【生物學】基因。 dominant gene顯性基因。
  • element : n 1 要素;成分;(構成)部分;分子。2 【化學】元素;【數學】元,素;【機械工程】單元;單體;【無...
  1. Virus is by dinky gene albumen the element is formed, cannot ego is progenitive

    病毒則是由極小的基因蛋白分子構成,不能自我繁殖。
  2. The insulin - like growth factor - 2 ( igf - 2 ) and igf conjugated protein - 6 ( igfbp - 6 ) mrna level in rat calvaria bone tissue and mc - 3t3 - el cells were detected by northern blotting analyses and reverse transcription polymerase chain reaction. the estrogen responsive element ( ere ) in igfbp - 6 gene promoter was identified and involved in tcdd - reduced regulation of the gene expression by electromobility shift assays ( emsa )

    正常胎鼠頭蓋骨組織igf一2mrna呈高水平表達狀態,而igfbp一6mrna的水平較低; ccf胎鼠頭蓋骨骨組織內igf一2mrna的表達較正常胎鼠降低, igfbp一6mrna的表達則明顯升高; atra和e :聯合應用時, atra可以抑制雌激素對細胞內igf一2和igfbp一6的這種調節作用。
  3. The env protein deduced from env gene encodes the hydrophilic surface protein ( su ) and the hydrophobic transmembrane domain ( tm ) that determine the specific interaction between virus particles and cell surface receptors during retroviral entry. the su of retroviruses is a highly variable genetic element, containing receptor binding sites and major antigenic determinants. exjsrv - specific dna probes were derived. by using these dna probes in tissue hybridization. we successfully identified jsrv mrna expression and proviruses dna in sheep lung tissues infected with jsrv and control group has no postive signals, validating the use of exogenous virus - specific dna probes in the analysis of oncogenic proviral integration sites and identification of integrated exogenous proviral sequences

    用地高辛隨機引物法標記exjsrv特異的env片段,制備探針,原位雜交檢測spa肺組織中的rna及前病毒dna ,結果表明spa患羊肺組織內有jsrvenv基因mrna的表達,同時也檢測到了前病毒dna ,而相應的陰性對照卻無陽性信號,證實外源性病毒特異的dna探針在致瘤性前病毒的整合位點和整合的外源性前病毒的檢測中具有可信度。
  4. Gene engineering is the one of science and technologies which are developing fastly. with the developing of gene - group school and element engineering school, specially " the human beings gene - group plan " having been completed, gene engineering has already developed a new history stage. trans - gene plants and animals, trans - gene foodstuff, gene diagnosis. gene therapy. gene medicine, ects, all these spur the people ' s nerve, and gene engineering becomes the focus. people expect gene engineering to give them the property, health and happiness

    基因工程是當前科技發展最為迅速的領域之一,隨著基因組學和分子工程學的發展,特別是「人類基因組計劃」的初步完成,標志著基因工程發展到一個新的歷史階段。轉基因動植物、轉基因食品、基因診斷、基因治療、基因藥物等基因產業的異軍突起,刺激著普通民眾的神經,成為人們關注的熱點。
  5. Integron, a genetic element of gene capture and expression in gram - negative bacteria, has been showed to play an important role in acquired antibiotic resistance of bacteria

    近來的研究顯示,革蘭陰性菌中一種基因捕獲和表達的遺傳單位? ?整合子( integron )在細菌獲得抗生素抗性機制中起了重要作用。
  6. Identification of a lens - specific cis - acting element within the basal promoter of the human lens intrinsic membrane protein mp19 gene lim

    啟動子上一個晶體特異順式元件的鑒定
  7. L l6 - hsd2 is localized to the sppytiotrophoblast of the placenty providing a fimctional barrier protecting the fetus from matemal glucocorticoids. a sequence resembling glucocorticoid response element ( gre ) has been identified in the promoter region of the human l l0 - hsdl gene. glucocorticoids have been shown to induce the expression of 11p - hsdl in the hippomus in vitro " whereas controversial results were obtained in the hepatocyte

    體內至少存在兩型11 - hsd ,在細胞完整的狀態下, 11 - hsd1主要為還原酶,它活化gc的代謝產物17 -羥- 11 -脫氫皮質酮(嚙齒類為脫氫皮質酮)為有活性的皮質醇(嚙齒類為皮質酮) ,而11 - hsd2為氧化酶,它催化皮質醇為無活性的17 -羥- 11 -脫氫皮質酮,因此11 - hsd1加強gc的作用,而11 - hsd2減弱gc的作用。
  8. ( 2 ) deletions of four different lengths were conducted using pcr amplification with the information of sequence of pdf 1. 2 gene promoter. these mutated promoters were fused to the gus reporter gene and introduced into tobacco plants. the results of gus activity driven by these different constructs showed that the promoter sequence between positions - 300 and - 243 ( containing a gcc box and a g box - like sequence ) was an essential ja - responsive element region to activate the expression of gus reporter gene, and the - 300 bp position was defined as the boundary of the minimal functional promoter in response to ja signaling

    ( 2 )對該啟動子的5 』端進行不同長度的缺失突變,突變的啟動子與gus構建的融合基因在煙草中受meja誘導的瞬時表達結果表明,該啟動子中- 300 - 243bp區域(有一個gccbox和一個gbox - likesequence )是其應答meja處理所必須的區域,並將- 300bp作為該啟動子應答ja信號的最小區域的邊界位置。
  9. For example, in 20 centuries 70 time, as the progress of molecular biology, be united in wedlock with project technology photograph, open up biology technology new field : gene recombines technology of cross of technology, pcr technology, dna and technology of protein alignment analysis, element to wait, the birth that promoted gene project, protein project, cell project, enzymatic project to wait and development

    例如,在20世紀70年代,隨著分子生物學的進步,與工程技術相結合,開辟了生物技術新領域:基因重組技術、 pcr技術、 dna和蛋白質序列分析技術、分子雜交技術等,促進了基因工程、蛋白質工程、細胞工程、酶工程等的誕生和發展。
  10. In this paper, an important cis - acting element within the promoter of pdf7. 2, which is activated by jas, was analyzed, and the interaction of this element with relevant factors ( jerfs ) was also studied. the results were as fellows : la ja responsive cis - acting element within the promoter of pdf 1. 2 was investigated via comprehensive mutant analysis. ( 1 ) a strategy based on cdna sequence was used to amplify the promoter ofpdf1. 2 gene with arabidopsis gdna as template

    本文對受jas誘導的pdf1 . 2啟動子的順式作用元件及其與jerfs的相互作用進行了系統研究,取得如下結果: 1 、通過對pdf1 . 2啟動子的缺失突變分析和取代突變分析,對該啟動子應答jas信號的順式作用元件進行了較詳細的探討。
  11. One gene cassette usually contains a open reading frame encoding antibiotic resistance and a specific recombination site called attc ( or 59 - base element )

    基因盒往往由一個編碼抗生素抗性的開放讀碼框( orf )和一個整合位點attc組成。
  12. In the third part of the paper, the express of design knowledge, relations between product model and researching methods are discussed. after indicating one viewpoint that the key of product modeling is the express of design knowledge this chapter gives a matter - gene model for conceptual design orientated for matter element transformation and genetic algorithm

    第三章分析了設計知識的表示,模型與求解方法的關系,提出產品模型問題的實質是面向求解方法的設計知識表示,並據此建立了面向物元變換與進化求解相結合的物元基因模型。
  13. Pcr products were inserted into pbluescriptsk using psti and xhoi. the element bearing resistance to streptomycin ( sm ) and spectinomycin ( sp ) was excised from php45 and inserted into gene coding region. the disrupted gene was isolated as a pstl and xhol fragment and cloned into prl271

    首先將pcr擴增片段( 1 . 5kb )利用pst和xho插入常規克隆載體pbluescriptsk ,利用基因內部合適的酶切位點插入sp sm抗性片段,再利用pst和xho位點將已插入抗性基因的pcr片段,轉入整合載體prl271中獲得體外基因中斷,最後利用三親本雜交獲得體內突變。
  14. In transgenic tobacco plants, the transient - expression assay of the chimeric gene ( 4 x gcc - 35s min : : gus ) demonstrated that the 4 x gcc - 35smin promoter could respond to meja treatment and the gcc box is an important element in response to ja signaling. moreover, this experiment results would be meaningful to improve the crops characterization of resistance against various environment stresses or to study the regulation of gene expression in transgenic plants

    ( 3 )以反向的4xgcc重復序列( placzi 4xgcc ( 》作為placzi4xgcc的突變體, 6半乳糖苦酶活性分析的結果表明,與野生型的相比,突變的gcc元件不能與jerfi 2 3 4相互作用, p半乳糖苦酶實驗不能呈現出藍色反應;證明gccbox與jerf 2 3 4是特異性結合。
  15. Histochemical gus assay showed that the gus staining was observed only in the mature pollen and germination pollen tube. there is no detectable gus activity in other floral organs, leaves and stems. these results suggested that st901 is a novel pollen - specific gene and the 288bp promoter fragment ( - 297 ? xfrom the translation start codon atg ) is sufficient for pollen - specific expression and os - element regulatory of st901 promoter was possibly concentrated in the region - 297 to - 9

    通過對gus酶活性的組織化學定位分析,表明, st901基因啟動子驅動gus基因特異地在成熟花粉和花粉管中表達, st901基因具有花粉表達特性;且288bp ( - 297至- 9 ) ( atg定為+ 1 )的啟動子區段足以驅動gus基因在花粉中的特異表達, st901基因啟動子的花粉順式表達元件可能位於- 297至- 9之間。
  16. The ethical element in human gene studies

    人類基因研究的倫理問題
  17. More interesting, the content of secondary metabolite always increased markedly in hairy root. so the transgenic system by ri plasmid would be wildly used in plant breeding, plant gene engineering and pharmaceutical element production

    發根農桿菌遺傳轉化體系的這一特點在作物育種、植物基因工程、次生代謝物工廠化生產上有廣闊的應用前景。
  18. Furthermore, by inserting " anther box " element to the mutated area of two site - mutation promoters, another two promoters, ipmas and ipmal, were created. in order to study the chemical - inducible capacity of wild and modified pr - la promoters, a coding sequence of gus ( | 3 - glucuronidase ) gene was fused to their downstre am, and the chimeric genes were cloned into pbin ! 9 - based plant expression vector

    為了檢測得到的啟動子驅動效率及誘導活性,將所得到的啟動子、定點突變啟動子和插入花藥盒的啟動子與gus基因連接,構建了6個植物表達載體,同時分別構建包含ipl barnase 、 ipml barnase 、 ipmal barnase嵌合基因的植物表達載體。
  19. Regardless of what lies ahead, as part of this technology, gene testing is likely to be an important element in this " brave new world " of 21st century biotechnology

    且勿論這領域發展的前景是怎麼樣,生物科技中的基因測試肯定會在二十一世紀基因工程這個"未來世界"發揮重要的作用。
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