genetic expression 中文意思是什麼

genetic expression 解釋
基因表達
  • genetic : adj. 1. 遺傳（學）上的。2. 發生的，發展的；創始的。adv. -ically
  • 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...
  1. Expression and genetic immunization of hantaan virus g2 recombinant adenovirus

    2重組腺病毒的表達及其基因免疫的研究
  2. It has been established the existence of a few pathways controlling flowering of plants in genetic research of flowering of arabidopsis thaliana and antirrhinum majus. many genes related to flowering have been identified and cloned, but the regulation mechanism of gene ' s expression is still unclear

    通過模式植物擬南芥和金魚草開花機理的研究，現在已經明確植物的開花途徑有多條，並識別和分離了許多與開花有關的基因，但這些基因如何在植物生長發育過程中進行特定時空的表達及其調控一直是科學家研究的一個黑匣子。
  3. Methods : an artificial gene for fl extracellular domain cdna was synthesized by using favored genetic codons of pichia pastroris. by inserting human fl extracellular domain cdna coding 156 amino acid resi dues into pichia pastoris expression vector ppic9k containing aox1 promoter and the sequences of alpha secreting signal peptides, a recombinant expression plasmid ppic9k - fl was constructed, and integrated into the alcohol oxidase region of the host genome

    為了提高外源基因的表達量，我們根據畢赤氏酵母偏愛密碼子人工合成了編碼fl胞外區156個氨基酸的cdna序列，目的序列被定向克隆到酵母分泌型表達載體ppic9k質粒上，構建ppic9k - fl表達質粒。
  4. Both lines showed resistance to tomv - 0, tomv - 2, tomv - 1, tmv - u, tmv - cg and susceptible to tomv - 2a. this result indicated that tm - 22 was functionally expression in receptor cell with distinct genetic background. virus specificity and gene express can function in distinct genus within a family

    為了了解tm - 2 ~ 2基因的特性、功能及抗病機制，研究工作從三個方面進行，首先將tm - 2 ~ 2基因轉化同科異屬的煙草sr1 ，以確定tm - 2 ~ 2基因在模式植物的表達的可能性和功能的完整性。
  5. Chemically inducible systems that control expression of native gene or transgene in plant have potential applications in gene function determination and genetic engineering

    調控基因表達的化學誘導系統在基因功能鑒定及植物生物工程方面具有廣泛的應用價值。
  6. 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。
  7. We successfully construct the eukaryotic expression vector of gfp - eif - 5a and its mutational vector using genetic engineering techniques. we found that eef - 5 a localized in nucleus as well as in cytoplasm just for a short time after its transient expression, then distributed only in cytoplasm

    Eif - 5a的hypusine修飾是其活性和功能發揮所必需的，我們通過pcr方法實現了hypusine位點的定點突變，並進一步構建了含gfp標簽的eif - 5a及其hypusine位點突變的真核表達載體。
  8. Twenty f1 combinations crossed among 5 varieties and strains different in fiber properties according to complete diallel crossing design were used to evaluate the heterosis and gene action of boll weight and lint percentage in high quality fiber property varieties in upland cotton in 1998 1999 for two year successively at nanjing. it was indicated that there existed small interactions with the environmental factors without maternal effects and the additive gene effect was in chief, attaining to 51. 2 % and 65. 4 % respectively for boll weight and lint percentage. the dominant effect was also in higher rate, 32. 6 % and 16. 8 % respectively. the population mean heterosis of boll weight and lint percentage over the mid - parental mean were relatively prominent 13. 3 % and 3. 5 % respectively in extreme significance. however, boll weight showed no significantly surpassing parental f1 heterosis over the better parent based on population mean ( 2. 0 % ) ; while the lint percentage expressed significant negative heterosis value ( - 2. 1 % ). the gene actions were in conformity with the heterosis expression. it was shown clearly that the f1 combinations crossed between parents with similar performances had relatively high dominant effects and significant positive f1 surpassing parental heterosis ( f1 heterosis over the better parent ) ; while no f1 combination crossed between the parents with prominent mutual difference surpassed the higher parent in yield components, which indicated that among those parents with less difference and close relationships, there still existed sufficient genetic variation or certain mechanism for creating variation and achieving greater advances in breeding. correlation analyses also indicated that there still existed severely undesirable negative correlation between yield and fiber properties as well as the difficulties for their simultaneous improvements

    利用5個具有不同纖維品質性狀的品種（系）配製完全雙列雜交組合20個，通過親本和f1的2年隨機區組試驗發現產量性狀的鈴重和衣分與環境的互作效應小，不存在母體效應，並以加性遺傳效應為主，分別占表型方差的51 . 2 %和65 . 4 % ;顯性遺傳效應所佔的比率也較高，分別為32 . 6 %和16 . 8 % .鈴重和衣分的群體平均優勢較大，分別為13 . 3 %和3 . 5 % ，達到了極顯著;鈴重的超親優勢為2 . 0 % ，不顯著;衣分為顯著的負值（ - 2 . 1 % ） .遺傳分析與雜種優勢結果一致.具體表現在產量性狀上，親本相當配製的組合雜合顯性較高，其超親優勢正向顯著，而極值親本（差異較大）所配組合沒有超過高親的.這表明親本差異小、親源關系較近的親本中仍然存在足夠的遺傳變異或某種機制以創造變異使育種取得更大的進展.相關分析表明了仍然存在嚴重的品質與產量的負相關，遺傳改良的難度較大
  9. The who classification states that acute lymphocytic leukemia ( all ) should be classified by the pattern of reactivity of cell to a panel of lineage - associated antibodies and, where possible, genetic abnormalities. the expression of cd antigens on leukocytes is currently determined by flow cytimertry, which is expensive and labor - intensive, requiring 5 - 20ul quantities of fluores - cently labeled antibodies and allowing concurrent analysis for a limited number of cd antigens, usually three to four. from clinical point of view, an efficient method is required for analysis of a large number of samples in a single experiment

    我們設計了一種新型的細胞晶元，其原理是充分利用玻片的硬度高，透明性好的特點，應用細胞膜表面不同的抗原物質，與包被在玻片上的不同抗體發生特異性結合，通過一次實驗可以將被測細胞懸液中不同膜表型的細胞分離、固定在同一張玻片的不同特定區域，保持了細胞的完整性及活性，又可通過簡單的操作一次將多細胞懸液進行免疫分群。
  10. 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。
  11. Employing genetic manipulation of hif expression, in - vivo and cellular studies have focused on hif as a crucial factor affecting hypoxia - induced vascular remodeling

    體內以及細胞研究的低氧誘導因子表達主要焦點在低氧誘導分子作為一種影響低氧誘導血管重建的重要因子。
  12. 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。
  13. 4. after having established genetic transformation system with tomato cotyledons as explant and determined the transformable of preculture time, incubation time and co - culture time, we set up the system of high frequency transformation of tomato cotyledons. then hbmp - 3m gene was transferred into tomato via agrobacterium - mqdiated transformation, and the resistant plants to hyg were obtained. by pcr analysis on part of the putative transformants, we identified that hbmp - 3m gene had been integrated into the genome of part of tomato plants. 5. transferred hbmp - 3 gene into tobacco via agrobacterium - mediated transformation and obtained the resistant plants to hyg. trans genie tobacco plants were confirmed by instantaneous expression of gus gene in calli detection, growth and bio - morphology analysis, hyg - resistant experiment and pcr analysis

    通過pcr檢測證實部分番茄抗性植株中已導入hbmp - 3m基因；人骨形成蛋白一3成熟膚基因和全長基因分別轉化番茄和煙草的研究5 .通過農桿菌介導法將hbmp一3全長基因導入煙草，並且獲得了hyg抗性植株，通過gus基因瞬時表達檢測、轉化植株的生長情況及形態學分析、 hyg抗性鑒定及pc尺檢測，證明目的基因己經整合到煙草基因組中。
  14. By genetic engineering methods, ureb gene and ureb - hspa fusion gene were amplified by pcr and cloned into a prokaryotic expression plasmid ptrc99a - asd, and identified recombinant plasmid was then

    口服、鼻飼免疫balb / c小鼠，在腸液和血清中可以分別檢測到針對hpylori的特異性分泌型iga和址g抗體。
  15. Then, the mathematical models for workshop layout of general production line and automobile assembly - welding line are given, the topology model of multiple constraints expression and workshop layout is presented in depth, and then principles on position check and constraints check are also presented. a modified genetic algorithm is also proposed based on traditional generic algorithm

    在此基礎上，以物流優化和空間利用率最大化為目標，建立了車間設備布局的一般數學模型和汽車裝焊車間設備布局的數學模型;深入探討了多種約束表達和車間布局的拓撲模型，提出了約束檢驗的方法和位置判定的原則。
  16. Induction of pollen plant of hybrid offspring from cultivated and wild rice and their genetic expression

    栽培稻與野生稻雜交後代花粉植株的誘導及其性狀表現
  17. Besides, to discuss the methods and pathways for building the hybridize parents of excellent quality by yunnan scent soft rice germplasms and for selection breeding the hybrid rice of high quality, to discuss the scent gene genetic expression of yunnan rice germplasms and the problem of breeding application

    此外，討論利用雲南香型軟米稻種資源創建品質優異雜交稻親本和選育優質雜種稻的方法和途徑，以及雲南稻種資源香味基因遺傳表現及其在育種中應用問題。
  18. Cellular apoptosis of retina in rats with diabetes and corresponding genetic expression

    糖尿病大鼠視網膜細胞凋亡及相關基因的表達
  19. Influence of zuojin pill modified on genetic expression of rats with anterior pathologic change of gastric carcinoma

    加味左金丸對大鼠胃癌前病變基因蛋白表達的影響
  20. Research and application of genetic expression programming algorithm based on uniform - design a new evolutionary algorithm named uniformdesign genetic expression programming ugep based on uniformdesign was proposed, which improved the way of generating initial population and also improved hybrid crossover operators. theoretic analysis proves.

    提出了一種基於均勻設計的基因表達式編程演算法ugep ，該演算法對經典的gep演算法做了以下改進：利用混合水平均勻表的構造對初始種群的產生進行改進，保證了解分佈的均勻性引入自適應多親雜交運算元，用均勻優化代替隨機進化。
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