gene expression regulation 中文意思是什麼

gene expression regulation 解釋
基因表達調節
  • gene : n. 【生物學】基因。 dominant gene顯性基因。
  • expression : n 1 表現，表示，表達。2 詞句；語句，措辭，說法。3 表情，臉色，態度；腔調，聲調。4 【數學】式，符...
  • regulation : n 1 規則，規程，規章，條例。2 控制，管理，限制，（情慾等的）節制。3 調整，調節，整頓。4 校準；穩...
  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. Plant invertase and regulation of gene expression

    植物轉化酶及其基因表達與調控
  3. Tumor necrosis factor ( tnf ), a cytkine that exerts many pro - atherosclerotic effects in vivo, causes up - regulation of acat - 1 gene expression in human blood monocytes. by luciferase activity assay, tnf - a enhanced acat - 1 p7 promoter activity in thp - 1 monocytic cell line

    細胞因子tnf -即腫瘤壞死因子大量存在於人動脈粥樣硬化斑塊中，本實驗通過熒光素酶活性和rt - pcr測定結果表明， tnf -處理人血單核細胞和單核細胞株thp - 1均增強acat - 1基因p7啟動子活性。
  4. Operon is a unit of bacterial gene expression and regulation, including structural genes and cis - acting control elements in dna recognized by regulator gene product ( s )

    控制某一代謝途徑的相關基因，緊密連鎖地排列在一起，受同一操縱子控制。
  5. Diversity in gene expression regulation of endoplasmic reticulum stress response

    內質網應激反應基因表達調控的多樣性
  6. Down - regulation of rice pullulanase gene expression by rna interference

    干擾技術抑制水稻澱粉極限糊精酶基因表達
  7. The genetic regulation of stomatal movement mainly depends on an efficient control system of gene expression, and guard cell - specific promoter is becoming one of the best choices

    因此有必要對氣孔的開關進行調控。氣孔運動的分子調控離不開高效的基因開關系統，保衛細胞特異性表達的啟動子近幾年倍受關注。
  8. Functional elements were the dna segments that controlled the process of gene expression and gene regulation, so it was quite significant for people to study these functional elements in biosequences

    生物序列中的功能元件是能夠控制基因的表達和調控過程的dna片斷，對它們的研究對於人們理解生物序列的含義具有巨大的意義。
  9. In he - 3 and de - 3, 16 protein spots that were absolutely different ( only expressed in diploid embryos but not in haploid embryos or vice versa ) and 16 protein spots that were up - and down - r gulated were identified unambiguously. in he - 2 and de - 2, 20 protein spots that were absolutely different ( only expressed in diploid embryos but not in haploid embryos or vice versa ) and 5 protein spots that were up - and down - regulated were identified unambiguously, some of these different proteins are correlative with eyes development, nerve development, development regulation, cell differentiation and maintenance, arthromere formation and signal transduction. it shown that gene expression have significant difference between diploid and haploid during embryos developing

    分別選取其中70個分辨好的差異蛋白質點進行原位胰蛋白酶酶解，酶解的肽片段用基質輔助激光解析電離分行時間質譜（ maldi - tofms ）得到肽質指紋圖譜，再在網上peptident軟體中搜索swiss - prot和trembl數據庫，初步鑒定了he - 3和de - 3上32個差異蛋白質點，其中包括16個表達量上有差異的蛋白質點（ p 0 . 05 ）和16個有無表達的差異蛋白質點，並且初步鑒定了he - 2和de - 2上25個差異蛋白質點，其中包括5個表達量上有差異的蛋白質點（ p 0 . 05 ）和20個有無表達的差異蛋白質點。
  10. In order to establish the pollen - specific gene expression and regulation mechanism ( s ), it will be necessary to isolate and character more pollen - specific genes

    在對花器官發育的研究中，對雄蕊發育的研究由於與雄性不育密切相關而尤為引人注目。
  11. This expression vector plbcas - hsa - lgl has the following advantages : i ) the 1. 7kb promoter is able to drive cell - specific and hormone - dependent expression ; ii ) the inclusion of intron - 1 can increase expression level of fusion genes ; iii ) the 5 ' utr of bovine p - casein mrna may have a positive role in both transcriptional and post - transcriptional regulation ; iv ) the gfp gene make the selection of positive clone among embryos possible ; v ) the gfp gene can be easily excised via cre - mediated recombination between the two loxp sites after the expression vector has been integrated into chromosome ; vi ) the two incompatible lox sites, loxp and lox2272, would facilitate cre - recombinase mediated cassette exchange ( rmce ), which in theory will leading to develop a technology of site - specific gene expression in animal mammary glands

    該載體的特點是：具有可以調控外源基因在乳腺中特異表達的牛-酪蛋白基因5 `端側翼區和包括第一外顯子及內含子在內的5 `端調控區；將人血清白蛋白cdna準確地置於牛-酪蛋白基因第二外顯子中的翻譯起始密碼子atg之後，而且沒有增加額外的序列和使人血清白蛋白cdna移碼；引入標記基因gfp ，便於在胚胎期鑒定陽性胚胎，減少受體；引入cre lox重組系統： （ ? ）標記基因gfp的兩端的兩個loxp位點可以在表達載體整合到基因組后，刪除標記基因； （ ? ）餘下的一個loxp位點可以和前面的lox2272位點組成cre重組酶介導的盒式交換系統。
  12. It was indicated that regulation of 20ahsd activity was not due to post - translational modification by either phosphorylation cycle or glycosylation, but rather at the transcription level of 20ahsd gene expression in previous research papers

    以往研究表明20 hsd活性的調節不是通過糖基化、磷酸化或去磷酸化等翻譯后修飾實現的，而是以轉錄水平的調節為主。
  13. Quorum sensing is the regulation of gene expression in response to fluctuations in cell - population density and allows populations of bacteria to synchronize group behaviors

    群體感應（ quorumsensing ， qs ，又稱閾值敏感）是細菌根據種群密度大小進行細胞內或細胞間信息交流，協調群體行為並調控基因表達的一種方式。
  14. These gene products can be classified into two groups. the first group includes proteins that probably function in protecting cells from stresses. the second group of gene products contains protein factors that are involved in further regulation of gene expression and signal transduction in stress response

    低溫和脫水誘導大量基因的表達，基因產物可分為兩大類：一類是直接保護細胞免受脅迫傷害的功能蛋白；另一類是傳遞信號和調控基因表達的調節蛋白。
  15. Among sequenced 16 positive clones randomly selected, two represent novel expression tag sequences, two are homologous to two unknown proteins in genbank ; the rest are homologous to known or putative proteins or enzymes with definite functions by searching the genbank through blast program, which are involved in various life activities of cell such as regulation of gene expression, plant secondary metabolism, signal transduction, adversity resistance, stress response and defense reaction. significant changes of quantities of these gene fragments were observed before and after ssh, which indicated they were enriched after ssh

    隨機挑選了16個差異表達的克隆進行序列測定，經與genbank數據庫相關數據比較分析，發現有2個新的cdna片段（ ets ） ，有12序列與genbank中已知蛋白或推測蛋白質（ putativeprotein ）序列有高低不同的同源性，它們參與基因的表達調控、植物的次生代謝、信號傳導、抗逆、應激及防禦反應等細胞生命活動過程。
  16. The strange arrows with flat heads are a notation used in the literature of gene expression and gene regulation, and they mean " inhibits "

    這些奇怪的平頂箭頭是在文學上用來表示基因表達和基因控制的記號法，他們表示"抑制" 。
  17. Therefore, we have determined the structure of 20ahsd ge ne and isolated the genomic fragments encoding its promoter region to verify the cis - acting dna response elements and trans - acting factor, which are involved in hormone regulation on 20ahsd gene expression in our research work

    20 hsd的調控區基因結構以及哪些順式元件和反式作用因子在起作用尚不完全清楚，催乳素（ prl ）和絨毛膜促性腺激素（ cg ）調節20 hsd表達的分子機制，尚未見國內外文獻報道。
  18. The analysis on the 5 " flanking region revealed tata box, putative api and nur77 response elements, prl and progesterone response elements motifs related with regulation on 20ahsd gene expression

    通過軟體對克隆到的5側翼區結構和功能分析，發現了20 hsd基因的tatabox 、 prl反應元件、類固醇激素反應元件、 ap1和nur77等轉錄因子結合位點。
  19. Tandem repeats play a variety of roles in gene expression, regulation and evolution, and are ideal marker in genetic mapping. further more, the techniqe of dna fingerprinting based on the polymorphism of tandem repeat is now widely used in various fields such as medical jurisprudence, etc. the more eye - catching discovery is, in recent years, that some genetic diseases are related with certain trinucleotide repeats

    串聯重復在基因表達、調控和遺傳等方面起著十分重要的作用，同時它因具有高度多態性，已成為基因組遺傳圖譜和物理圖譜的理想界標，另外以串聯重復為基礎的「 dna指紋技術」在法醫學等領域廣泛應用。
  20. The researches indicates that the outbreak and deelopment of depression is related to the abnormity of neuroendocrine system, immunologic system and gene expression regulation

    研究表明，抑鬱癥狀的發生、發展與神經內分泌系統、免疫系統和基因表達調節的異常有關。
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