major gene 中文意思是什麼

major gene 解釋
宏效基因
  • major : adj （opp minor）1 較大的；較多的；較優的；主要的；第一流的；較大范圍的。2 成年的；〈英國〉（學校...
  • gene : n. 【生物學】基因。 dominant gene顯性基因。
  1. Unquestionably, acidity is also modified by other genes, regardless of any major gene effects.

    毫無疑問，不管酸度受任何主基因的影響酸度同樣由其它的基因所修飾。
  2. A pair of primers were chemically synthesized based on the cdna sequence of hog cholera virus strain brescia and used to amplify the cdna fragments of envelope glycoprotein e2 gene of hclv which coding the major protective antigen by reverse transcription - polymerase chain reaction ( rt - pcr ) from total intact rna extracted from infected calf testicle cell culture by hclv

    以豬瘟兔化弱毒犢牛睪丸細胞毒（ hclv ）中提取的細胞總rna為模板，以rt - pcr技術，擴增出了完整e2基因的cdna片段。經電泳、酶切分析，證實了所擴增片段為e2基因特異性片段。
  3. The purpose of this study was to clone the major structural protein vp3 gene of gpv hl isolate after pcr, and express by protokaryotic and eukaryotic expressing system, then develop molecuiar diagnostic reagent of goose piaque and construct recombillat fowlpox vina life vector vaccine

    利用pcr方法擴增和克隆gpvh1分離株主要免疫原性蛋白基因vp3 ，並對其進行原核和真核表達，是建立小鵝瘟分子診斷方法、構建vp3基因重組禽痘病毒活載體疫苗的基礎，具有極為重要理論和實踐意義。
  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. The advent of dna micro - array make it possible to perform gene diagnosis and gene treatment. gene selection is one of the major challenge of gene - chip technology, for gene diagnosis where only a gene subset is enough for diagnosis of diseases, for resolution of curse of dimensionality which occurs especially in dna microarray dataset where there are more than thousands of genes and only a few number of experiments ( sample )

    基因晶元的出現為基因診斷和基因治療提供了很好的前提和可能性，超高維空間超小樣本的基因選擇問題是基因晶元技術的挑戰性課題之一，對于解決維數發難問題和獲得診斷基因具有重要的理論和實際意義。
  6. The obtained results do not support a major gene for body mass index in chinese, the discrepancies between our study and previous studies may result from ethnic difference between chinese and other populations ; the general model provides the best fit to the data, while the environmental model is the second parsimonious model, perhaps due to complex mode of body mass index inheritance ; a moderate heritability estimate is found for body mass index ( h2 = 0. 313 ), lower than that of other populations, this is presumably due to the fact that aside from the influence of genetic bases, body mass index is strongly influenced by environmental factors and that there is a low proportion of obese individuals in samples ( only 4. 1 % individuals have body mass index > 30 )

    分離分析的結果表明， （ 1 ）體重指數不存在主基因分離，不同於在其他非中國人群中檢測的結果，說明存在種群差異性； （ 2 ）一般模型提供了最合適模型，環境模型是次之的嚴格模型，可能由於體重指數遺傳模式的復雜性所致； （ 3 ）中國人群中體重指數具有適中的遺傳率（ h ~ 2 = 0 . 313 ） ，低於其他人群中的結果，這是由於體重指數除了受遺傳因素影響外還受環境因素影響及樣本中低比例的肥胖個體（ 4 . 1的個體bmi 30 ）的原因。
  7. These results suggested that the expression of mpges and cpges gene may be important for follicle development. postgraduate : bai yu - yan major : animal histology and embryology supervisor : yang zeng - ming

    這些結果表明， mpges和cpges基因的表達可能在小鼠卵泡發育過程中起重要作用。
  8. Hprt gene locus mutation of hpv - 18 immortalized human bronchial epithelial cells induced by cigarette smoke condense and its major harmful component

    卷煙煙氣及其主要有害成分誘發細胞基因突變的研究
  9. Accordingly, ers2 - 1 is still able to confer ethylene insensitivity via a single receptor gene ers1 in the quadruple mutant, but at a highly reduced level compared to its function in the triple mutants. the major difference between the quadruple and triple mutants is the absence of a wild - type ers2 gene in the quadruple mutant, and we propose that the dominance conferred by ers2 - 1 can be mediated and amplified via the wild - type ers2 to the subfamily i receptor ers1

    三突變體的遺傳背景與四突變體相比，只是在三突變體中保留了ers2的野生型基因，而當這個野生型的ers2基因突變后，對乙烯不敏感的ers2 - 1基因的功能便減弱了，說明顯性基因ers2 - 1在etr1 - 7 ； err2 - 3 ； ein4 - 4三突變體中的功能可以經由活化ers2后再傳給ers1 ，而不僅僅是直接傳給ers1 。
  10. Construction of araneus ventricosus major ampullate gland cdna library and screening spider silk gene

    文庫構建和絲蛋白基因篩選
  11. It is suggested that identification of specific genes for body mass index in chinese, at least within the same data set, is a serious challenge because of lack of evidence of a major gene for body mass index in our chinese sample

    因為沒有明顯的證據表明bmi具有主基因分離，在中國人群中鑒定bmi的潛在基因，至少在相同的樣本，將是一個重大的挑戰。
  12. The cdna library of major ampullate glands of araneus ventricousus was prepared successfully for the first time by using puc18 vector in the world. two genes encoding spider silk protein and one gene encoding no - silk protein were cloned by means of randomly picking colony ( bird gun )

    本研究在國內外首次構建了大腹園蛛（ araneusventricosus ）主壺腹腺（ majorampullategland ） cdna文庫，並以鳥槍法從中篩選出兩個蛛絲蛋白和一個非絲蛋白cdna新基因。
  13. Our results provided direct evidence that pf40 gene play a role in the tissue development, with knockout this gene the lateral buds were not visible. the plant hormones auxin and cytokinin appear to play a major role in controlling this process, therefore, the concertrition of auxin and cytokinin was measured, however, the concentration of the two hormone was variation a little in transgenic plants, but the ratio of the two was more than 5 fold in the pf40 gained function plant than that in wild type. furthermore the pf40 gene effected differentiation of the vascular bundles in different transgenic plants, results showed the pf40 could change both xylary fibers and vessel

    進一步的實驗發現pf40基因會影響植物側芽發育的早期，即pf40基因作用在側芽形成與發育的早期。對轉基因穀子的組織切片的分析還表明pf40基因引起不同形式的轉基因穀子的維管組織的發育的差異，轉化正義載體穀子的木質部變多，維管系統增多，而反義或干擾的轉基因穀子的木質部數量變少，木質部分化異常。從轉基因的結果可見pf40基因可以減弱植物的頂端優勢，這種作用是通過改變植物體內激素的含量實現的。
  14. Development stratgy and major domain of gene project of rice in china in the 21st century

    21世紀我國水稻基因工程的發展策略與重點領域
  15. The expression conditions of e2 gene in p. pastoris were optimized, the results indicated that the peak obtained after 72 hours ; pattern of inhibition / induction could improve expression level ; the best ph value were between 7. 5 and 8. 0 and the optimized methanol - induced concentration was 2 % - 3 % the e2 genes of the prevalent strain ( guangxi yulin strain ) and c strain derived from rabbit spleen tissue were amplified and cloned into e. coli the expression vector pproex - htb respectively, the recombinant plasmids pproex - gxyl and pproex - c were obtained and then were transformed into the dh5a e. coli competent bacteria respectively, the recombinant bacteria could express the major antigen region of e2 gene, the expression yields amount to 35 % and 38 % repectively

    豬瘟病毒ez基因的原核表達： pcr擴增出當前豬瘟流行野毒株，中國豬瘟兔化弱毒（ c株）兔脾組織毒ez基因的主要抗原區，將其克隆到原核大腸桿菌表達載體pproex htb中誘導表達，經sds page檢測表明，重組質粒能表達ez基因主要區蛋白， westernblot檢測表明，誘導表達蛋白與豬瘟陽性血清發生特異性反應，表達量為35和38 ，可用於基因工程診斷抗原。
  16. The full coding regions of bdnf genes were amplified from the genome of tylototriton taliangensis, phrynocephalus hongyuanensis, japalura splendida and cyclophiops major, respectively by pcr with the primers designed on the sequence of human bdnf gene. the pcr products were cloned into the vector pucis of esherichia coli. sequence analysis showed that the coding regions of three reptiles are the same ( 741 bp ) in length and these bdnf genes encode a peptide of 246 amino acid residues while that of tylototriton taliangensis is 744 bp in length and encodes a peptide of 247 amino acid residues

    根據已有的人bdnf結構基因的全長序列設計了一對引物，利用pcr技術分別從大涼疣螈（ tylototritontaliangensis ） 、紅原沙蜥（ phrynocephalushongyuanensis ） 、麗紋龍蜥（ japalurasplendida ）和翠青蛇（ cyclophiopsmajor ）的基因組dna中擴增到目的dna片段，並將其分別克隆到大腸桿菌載體中，然後對所獲得的陽性克隆進行測序。
  17. Professor tsui has made major contributions to the mapping, cloning and characterization of the gene mutated in cystic fibrosis as well as the molecular genetics of this genetic order

    徐教授在囊狀纖維癥缺陷基因的定位、復制及鑒定，並該基因排列的分子遺傳學研究方面作出了重大貢獻。
  18. The gene was 1668bp in length, encoding the f protein composed of 553 amino acids. sequence analysis and its secondary structure prediction showed that the f protein had three major hydrophobic regions consisting of about 25 amino acids, six potential glycosylation sites and thirteen cysteines. a sequence region of basic amino acids, rrqrrf, was found at the f, - f2 cleavage site, indicating that f4ge9 was a typical virulent strain

    序列分析和二級結構預測表明， f _ （ 48 ） e _ （ 9 ）株f蛋白含有3個分別由25個氨基酸組成的疏水區，存在6個潛在的糖基化位點， 13個半胱氨酸殘基，裂解位點區域的氨基酸序列為rrqrrf ，說明f _ （ 48 ） e _ 9株是一株典型的強毒株。
  19. Analysis on the major gene and multigene mixed inheritance of wide compatibility gene in rice

    青少年抑鬱癥患者性激素受體基因微衛星多態性與功能失調性認知的關系
  20. It generally occurs when there are two or more allelic forms of a major gene in a population

    當種群中的主要基因具有兩個或多個等位基因類型時，不連續變異可以發生。
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