exogenous gene 中文意思是什麼

exogenous gene 解釋
非近親繁殖
  • exogenous : adj. 1. 外部發生的,外源的。2. 【生物學】外因的。adv. -ly
  • gene : n. 【生物學】基因。 dominant gene顯性基因。
  1. With the successful expression of exogenous gene in plant. the advantage of plant expression system become a highlight increasingly. based on the successful expression of hbmp - 3m gene into tobacco, we maked the study o f transferring hbmp - 3m gene into tomato and hbmp - 3 gene into tobacco, in order to obtain tomato transgenic plant with hbmp - 3m gene and tobacco transgenic plant with hbmp - 3 gene, to establish basis for getting step farther of leaning the expression of hbmp - 3m gene and hbmp - 3 gene in plant, the difference between the product of hbmp - 3m gene and hbmp - 3 gene in plant and the active of expressible product

    隨著植物基因工程的迅猛發展,一些疫苗、抗體、細胞因子等異源蛋白在植物中的成功表達,植物表達系統的優點日益受到關注。本研究室在成功地將hbmp - 3成熟肽基因轉入煙草並檢測有目的蛋白表達的基礎上,進行hbmp - 3成熟肽基因轉化番茄和hbmp - 3全長基因轉化煙草的研究,以期獲得轉hbmp - 3成熟肽基因番茄和轉hbmp - 3全長基因煙草植株,為進一步研究hbmp - 3成熟肽基因和全長基因在植物體內的表達及區別奠定基礎。
  2. Growth and development of animals were regulated by many factors including gene, environment, nutrition and endocrine. in endocrine system, growth hormone ( gh ) always taks up a centerlly regulative place. previous studies have shown that patients with gigantism or dwarfism have abnormal high or low plasma gh levels, respectively, and animals treated with exogenous gh markedly improved its growth. therefore, it is reasonable to enhance the levels of gh in plasma by some techniques will result in improvement of animal production performance

    在內分泌系統中,盡管任何一種內分泌激素都不能單獨地調控動物全部生長和發育過程,不過生長激素在其中仍占據著中心調節作用的位置。已知,巨人癥患者生長激素水平極度的升高,而侏儒癥患者的生長激素水平則顯著地降低,同時,注射外源性生長激素可明顯地提高動物的生長速度,改善了動物的胴體組成。
  3. Udp - glucuronosyltransferases ( ugts ) are glycoproteins localized in the endoplasmic reticulum that catalyze the conjugation of a broad variety of endogenous and exogenous lipophilic aglycon substrates ( such as bilirubin, steroid hormone and drugs, insecticide, etc ) with glucuronic acid using udp - glucuronic acid ( udpga ) as the sugar donor. ugts are a gene superfamily of phase ii drug - metabolizing enzymes, they are responsible for the glucuronidation of a significant number of different functional groups ( e. g

    Ugts能催化各種各樣外源和內源的親脂性糖苷配基底物與葡醛酸的結合,該反應是機體清除外源性(如藥物和殺蟲劑)和內源性(如膽紅素和甾體激素)親脂性化合物的一個主要方式,也是藥物相代謝的重要方式。
  4. 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。
  5. Different amount of copies in different tissues attribute to the different density of positive signals. the result of the experiment suggested that the transgenic animals can be produced by spermatozoa - mediated gene transfer after the entrapment of liposome. and because the exogenous dna occurs losing the segments. partly integration, or existin g outside of genome dna, the rate of chimerism is relatively high

    結果表明: ( 1 )脂質體包裹外源基因轉染精子的方法,可將外源基因導入受精卵中,能夠獲得轉基因動物,並得到了較高的轉基因陽性率; ( 2 )精子攜帶的外源dna的整合過程是隨機的,在受精過程和胚胎早期分化過程中可能發生了片段丟失、不完全整合或游離于基因組存在而產生嵌合體。
  6. It is possible that exogenous dna fragment integerated into acceptor genome, changing gene base sequence or base deletion or base insertion, inducing to mutant at gene level

    這可能是外源dna片段整合進受體的基因組中,改變基因的順序或者引起基因堿基的缺失、插入,從而在基因水平上發生突變。
  7. The results are as follows : exogenous hormones enhance hft gene expression. sequence alignment suggests hft ( hyacinthus forkhead transcription factor ) is a novel gene. its expressing level was enhanced by the hormones, and lower level were maintained in explants uncultured or cultured without hormones

    外源激素提高hft基因的表達水平, hft在外植體接種于含有生長素和細胞分裂素的ms培養基上培養24小時、 5天、 10天和15天的材料中均表達,並且其表達水平逐漸增高。
  8. The cultured cell suspensions tested by western - blotting showed that transfected cells could express the exogenous gene and secrete human lactoferrin protein, with mw of 34 kd. the highest amount detected with elisa reached 65mg / l medium / 105 cells. the recombinant hlf protein has the effect of inhibiting e. coli proliferation, whose activity is 1. 4 - 1. 8 times higher than the commercially available hlf

    誘導后,培養液上清通過western - blotting分析證明,轉染細胞表達並分泌出人乳鐵蛋白,分子量為34kd ; elisa檢測重組蛋白最高表達量為65mg l培養基10 ~ 5細胞;抗菌實驗表明,所獲得的重組人乳鐵蛋白具有抑制大腸桿菌生長的作用,而且比人乳鐵蛋白標準品作用更強。
  9. This novel and efficient vaccine, with the non - cellular structure and no exogenous gene modification, is potential to be not toxic to the recipients. together with characters that it is easy to prepare, this non - cellular vaccine is promising in clinic

    的確,由於exosomes具有非細胞結構、未經基因修飾和外源基因導入、對機體潛在危害作用小、制備簡單易行等優點受到大家的重視,成為研究新型腫瘤生物治療制劑和腫瘤疫苗的新方向。
  10. Green fluorescent protein has several good characters. under excitation of long uv light or blue light, it emits green fluorescence without requiring any exogenous substrates and cofactors. gfp gene expression can be used to monitor gene expression and protein localization in living cells and organisms. this is a development of revolutionary significance. the dna sequence of this gene can be re - engineered by mutagenesis and the gfp will get improved fluorescent properties. the applications of gfp will be wider and wider

    綠色熒光蛋白具有優良的特性,在藍光或長紫外光的激發下,不需要任何外源底物或內源輔助因子的參入就能發出綠色熒光.綠色熒光蛋白基因的表達可用來監控活細胞或生物體中基因表達和蛋白質的定位.這是一個革命性的進展.而且,對基因dna序列的改造有可能使綠色熒光蛋白的發光特性更加優良,從而其應用范圍會更加廣泛
  11. Present research on the sub - cell localization of expression product of exogenous recombination gene

    外源重組基因表達產物亞細胞定位的研究現狀
  12. With the development of plant gene engineering, it is possible for transforming many particular exogenous genes into plant cells

    摘要植物基因工程的興起,使特定的外源基因引入植物細胞成為可能。
  13. To inestigate the long - term culture conditions of bone marrow stromal cells, their efficacy of expressing exogenous gene and their ability to differentiate into adipocytes

    研究骨髓間充質細胞的體外長期培養下外源基因的表達和向脂肪細胞分化的能力。
  14. In this research, we constructed the expression vectors, which contain exogenous gene chalcone systhase ( chs ) antisense gene of gerbera hybrida and transformed it into agrobacterium lba4404 through freezing - melting. an efficient regeneration system and transformation system have been estadblished on leaf discs of torenia fournieri lind

    以藍豬耳為主要研究對象,建立了高效的藍豬耳離體再生體系,並以藍豬耳葉片為轉化材料,用帶有目的基因的農桿菌感染建立了藍豬耳的遺傳轉化體系。
  15. Aiming at low expression of exogenous gene, t - pa gene was designed. the designed t - pa gene was used to transform cucumber and the transgenic plants was obtained. at the same time, codon usage of potato, cucuber and strawberry was analyzed and forecasted the expression of t - pa gene in 3 organisms and designed codon of t - pa gene to fit for expression in plants

    針對外源基因表達量低的問題,對t - pa基因進行了重新設計,並將新設計的t - pa基因轉化黃瓜,獲得了轉基因pcr陽性植株;同時對馬鈴薯、黃瓜和草莓的密碼子用法進行分析,預測了t - pa基因在3種生物體中的表達情況,進行了適于植物中表達的t - pa基因密碼子改造。
  16. Using ex vivo gene transfer technique, exogenous gene was introduced to the liver graft during cold preservation and express locally in the graft. the effect of inhibition of rejection and inducing liver graft tolerance was observed. through this study, the possibility of achieving graft tolerance by gene transfer without routine immunosuppressive drugs was explored

    我們採用adeasy腺病毒載體系統,自行構建攜帶huctla4 - ig的重組腺病毒,通過先體外后體內( exvivo )基因轉移技術,于供肝冷保存時,將該治療基因導入大鼠移植肝,使其于移植肝局部表達,觀察其抑制排斥反應,誘導大鼠移植肝免疫耐受的作用。
  17. The recent advances about laser microbeam in plant transformation of exogenous gene, key techniques and applications are introduced. and the prospects is anticipated

    摘要本文概述了近年來激光微束在植物外源基因轉化上的最新進展,激光微束轉化法的關鍵技術及應用。並對其今後的應用前景作了展望。
  18. The promoter promoting the exogenous gene ' s transcription in the plant recipient is the essential condition that the exogenous gene can express

    啟動子驅使外源基因在受體植株中啟動轉錄是外源基因能夠表達的必要條件。
  19. Whether the exogenous gene of the conversion can be expressed correctly, efficiently and as desired in the plant recipient is of current concern

    轉化的外源基因在植物受體組織中能否正確、高效並按照人們的意願特異地表達是人們非常關注的問題。
  20. The assays lay a firm - foundation on detecting cmv fast and effectively and accumulate the experiences of efficient expressing exogenous gene in e. coli and preparation of antiserum

    本實驗結果為今後開展cmv的快速、有效的檢測奠定了基礎,同時為外源基因的大量表達及利用表達產物制備抗血清積累了一定的經驗。
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