promoter element 中文意思是什麼

promoter element 解釋
啟動子元件
  • promoter : n. 1. 增進者，助長者；振興者，獎勵者；後援人；（通常指惡意的）煽動者。2. （企業等）發起人；推銷者。3. 【化學】促進劑，助催化劑。4. （宗教裁判的）起訴人。
  • 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. 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。
  2. The results showed that the vessel element did n ' t differentiate after the seeds had imbibied for 6 hours ; 6 hours after seeds germination, two loci ? ne below the middle portion of the cotyledon and the other in the lower portion of cotyledon - node zone ( cnz ) initiated the differentiation of vessel element simultaneously, then elongated towards the cotyledonary apex and hypocotyl - root region respectively ; eventually the two promoter loci began to interconnect through vessel elements

    結果表明：種子吸漲6h ，未有導管分子的分化；種子萌發后6小時期間，自子葉中部偏下方和子葉節區下部的兩個位點同時啟動導管分子的分化，並分別向子葉葉尖和下胚軸-根的方向延伸；爾后，在發生兩個啟動位點之間發生導管分子的連接。
  3. 900 bp promoter - directed gus expression was highly induced by sa and bth, while the 603 bp promoter, whether mutated or not, did not respond to sa and bth induction, which indicated that the element in response to sa and bth lied among 575 ~ 872 bp from transcription start site

    全長900bp啟動子能夠應答sa和bth的誘導，而603bp長的啟動子無論突變與否對sa和bth均無應答，證明sa和bth的應答區域在克隆啟動子的轉錄起始位點上游575 872bp之間。
  4. 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
  5. 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。
  6. ( 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。
  7. ( 3 ) on the basis of the deletion analysis, three substitution mutants ( ml : 6bp sequence upstream of gcc box m2 : gcc box and m3 : g box - like sequence ) by pcr were designed to isolate the essential ja - responsive element. transgenic tobacco plants containing promoter substitution constructs were generated by agrobacterium - rnqdiaied leaf transformation. loss - of - function experiment, using transient expression analysis of gus reporter genes, confirmed that gcc box act as an essential element to respond ja signaling in pdf1. 2 promoter

    （ 3 ）在缺失突變的基礎上，通過對gccbox及其相鄰的上下游六個堿基進行取代突變，將突變啟動子與gus構建融合基因，在煙草中受heja誘導的瞬時表達結果表明， h1和m3的突變對該啟動子應答ja信號的影響很小，而m2 （ gccbox的突變）則幾乎使該啟動子應答ja信號的功能完全喪失，所以gccbox是該啟動子中應答ja信號的必需元件。
  8. 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。
  9. 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。
  10. 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。
  11. Erebps ( ethylene - responsive element binding proteins ) belong to a family of transcription factors, which regulate ethylene responses through binding to the promoter region of ethylene - regulated target genes

    Erebps （乙烯反應元件結合蛋白）是一個轉錄因子家族，通過與乙烯調節的目標基因的啟動子區結合而調節目標基因的表達。
  12. In this study we constructed two promoters ( dgp1 and sigp1 ) and analyzed their function in transgenic tobacc os. we combined the dehydration responsive element ( dre ) with guard cell specific element ( gcse ) to construct a novel drought - induced guard cell - specific promoter - dgp1

    受乾旱誘導的保衛細胞特異性表達啟動子（ dgp1 ， droughtinducedguardcellspecificpromoter ）的構建：利用pcr的方法，擴增出乾旱應答元件和保衛細胞特異性元件，然後組裝而成。
  13. The structure of the seed - specific promoter matches the characteristics of the promoter, having a basal promoter, initiator and upstream element

    種子特異性啟動子的結構符合類啟動子的特點，具有基本啟動子、起始子和上游元件。
  14. Extension of low k + treatment to 12 hours did not increase the binding sites or protein abundance either. among ros species, h2o2 was specifically involved in the up - regulation of na, k - atpase induced by low k. 96 base pairs of upstream of na, k - atpase subunit promoter was the key cis - element in transcriptional regulation of promoter activity

    Ros對鈉鉀atp酶亞基啟動子的刺激作用縮小至編碼區上游96堿基對，該序列包含多個潛在sp1轉錄因子結合位點，研究也表明sp1參與了低鉀對鈉鉀atp酶的調節作用。
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