rate gene 中文意思是什麼

rate gene 解釋
速度基因
  • rate : n 1 比率，率；速度，進度；程度；（鐘的快慢）差率。2 價格；行市，行情；估價，評價；費，費用，運費...
  • gene : n. 【生物學】基因。 dominant gene顯性基因。
  1. The result showed that the homology rate of pila gene among the 5 avian pathogenic e. coli strains tested and one human e. coli were from 89. 8 % to 91. 1 %, and the homology rate of amino acid were from 88. 5 % to 91. 8 %. the homology rate of pila gene sequence among 5 avian pathogenic e. coli strains tested and avian pathogenic e. coli reported ( serotype o1, o2, o78 ) were from 87. 8 % to 90. 2 %, and the homology rate of amino acid were from 84. 6 % to 91. 2 %. there had homology in avian pathogenic e. coli. there had some common antigen side in type 1 pili of avian pathogenic e. coli

    結果表明：運用msha法檢測1型菌毛的檢出率為80 （ 36 45 ） ， pcr法的檢出率為95 . 5 （ 43 45 ） ， pcr方法用於1型菌毛的檢測比msha更加敏感、快速、特異性強；選擇5株優勢血清型雞源致病性大腸桿菌代表株（ o _ （ 89 ） ， o _ （ 119 ） ， o _ （ 141 ） ， o _ （ 127 ） ）的1型菌毛pila基因的pcr擴增片段經純化后，分別定向克隆到puc18質粒的多克隆位點，構建了含有目的基因片段的克隆質粒，並轉化到dh5株大腸桿菌載體菌中，篩選獲得陽性克隆菌株。
  2. 5. after induced with iptg, jm109 with pgex - 4t - l / 6 - 4 was radiated by uv for 30 seconds, cultivate these e. coli with light or without light. the survival rate proved the gene of d. salina ( 6 - 4 ) photolyase has photoreactivation

    5 .工ptg誘導過的轉化菌，經過30秒的紫外光照射后，分別進行光培養或暗培養，計算存活率，從而證明了及sa了z 』 na的（ 6一4 ）光裂合酶在大腸桿菌中可進行光修復活性作用。
  3. Quinic acid, used shikimate pathway in e. coli, it is necessary to extend metabolic pathway by introduction of a heterogenous gene qutb into the host cell. double specific enzyme genes arog, qutb or three ones arog, qutb, arob were co - expressed in a single plasmid pbv220 to improve the enzymes " rate - limiting reactions. modifications of e. coli chromosome by both disruption of the arod gene and directed - site insertion of the arob gene resulted in the change of carbon flow redirected into the quinic acid biosynthesis branch

    利用大腸桿菌莽草酸途徑合成新的代謝物奎尼酸，須在宿主細胞引入異源酶基因擴展代謝途徑；串聯表達酶基因，同時適量增加不同種屬的多個關鍵酶酶量，改善限速反應；利用同源重組進行基因整合和基因破壞，改造染色體結構定向改變微生物代謝途徑；目的是將碳代謝流最大程度的引向奎尼酸生成的方向。
  4. 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。
  5. 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
  6. The extracted rate in the 9 soils was 60. 51 % - 93. 45 %. the traget gene could be amplified from the soil which was added 362 target cell / g. dry soil

    9種土壤的提取率從60 . 51 %一93 . 45 % ，可以從每g千土添加362個菌體的土壤中擴增到目的條帶
  7. The hypocotyl segments of cabbage were used as the explants and cultured on a ms medium supplemented with plant hormone, which was established a cabbage regenerated system. the differentiation rate of adventitious buds was above 80 %. in this study, ubic gene was transformed to cabbage through agrobacterium mediated system

    同時，採用甘藍無菌苗的下胚軸為外植體，以ms為基本培養基，分別用直接分化再生系統和愈傷再生系統誘導不定芽的分化，建立了高效穩定的再生系統，不定芽分化頻率達80以上。
  8. In the meantime, congenital amblyopia resulted from optic nerve lesion was observed in the crested ibis, with an incidence rate of 3 - 5 %. since the epilepsy and congenital amblyopia are both hereditary, it is feasible to perform genetic engineering studies on the correlative genes, which could protect neurons from the damages of excitation toxin and vision sickness, in order to cure the diseases at gene level

    由於癲癇和視神經病變類疾病均屬于遺傳性疾病，因此，利用分子生物學技術，對因癲癇和遺傳性弱視癥導致的神經元損傷具有保護及再生作用，以及視神經通路的發育、分化和受損視覺通路具有修復作用的相關基因，開展克隆、表達和活性鑒定之研究，將為通過基因工程技術實現其疾病治療之目標奠定基礎。
  9. For gene expression similarity analysis, we find that there tends to be higher correlations among co - regulated genes when transcription - rate - based correlations are used compared to those based on transcript amounts

    我們運用了cho等人的酵母細胞周期mrna量以及wang等人的酵母mrna降解率。在基因相似性研究中，通過數據庫， young等人的chipchip數據，我們可以得到共調控基因。
  10. Studies on transformation of indica rice with bt - toxin gene mediated by agrobacterium tumefaciens precultured immature embryo and callus derived from young panicle, immature embryo and mature embryo were used as acceptor for genetic transformation mediated by agrobacterium tumefaciens, the transformation rate of the above acceptor was investigated respectively. the results showed that immature embryo after precultured for 4 ~ 6d was the best. in respect to the concentration of agrobacterium tumefaciens when calli were cotransformated in medium yeb, to agrobacterium tumefaciens eha 105, od value of 0. 8 was the best

    採用農桿菌介導法將bt毒蛋白基因導入水稻同樣以上述兩種秈稻為主要研究材料，比較了分別以預培養的幼胚和幼穗、幼胚、成熟胚來源的愈傷組織作為轉化受體的愈傷組織轉化頻率，結果表明預培養4 6天的幼胚最適宜作為農桿菌介導轉化的受體；其次是來源於幼胚和成熟胚的生長狀態良好的胚性愈傷組織。
  11. In this paper, we research that transcriptional rate has the effects on the protein concentration in the two no - time - delay gene transcriptional regulation systems by computational modeling

    摘要利用計算機模擬方法分別研究基因轉錄調節系統兩種模型中轉錄率對蛋白質濃度的影響。
  12. In this review, we summarized the studies of the molecular mechanisms of gene duplication, the preservation of duplicated gene, the selections acting on duplicated gene, the alternative ways of divergence and the evolution rate

    文章綜述了重復基因的產生機制、保留機制、選擇作用、分化途徑以及重復基因進化速率等方面的相關研究，揭示了基因重復對生物進化的重要性，以引起大家對該領域的關注。
  13. ( 2 ) compared with wild - type torenia fournier, antisense acc synthase gene transformated plants of torenia fournieri had the following changes : the rate of ethylene biosynthesis dramatically decreased in the plants. cholrophyll content in the leaves is 1. 15 times of that of the wild - type torenia fournier leaves. the transformed plants had more flowers

    （ 2 ）反義acs轉基因藍豬耳與野生型的藍豬耳相比較，乙烯的生成速率顯著下降：葉片葉綠素的含量提高，是野生型的1 . 15倍；花開的更多，花的壽命增加一天；單個果實的種子的數量和重量均有所增加；葉片多胺的含量顯著高於野生型的藍豬耳；植株對氧化脅迫、酸脅迫、乾旱脅迫的抗性均有增加。
  14. The results showed that pcr applify a 485 specific molecular band in 672 individuals, the rate of positive reaction is 60 %, southern blot result shows a strong signal in transgenic fish. it is concluded that hu - - ifn gene has been integrated and expression. it is also that foreign gene integrating position and copy number is different individuals, by elis a detecting, 23. 5 % transgenic fish " were detected hu - - ifn gene expression in all 672 transgenic fish, but expression level of hu - - dfn is significant difference in different individuals and growth period

    2000年共顯微注射32197粒草魚受精卵，出苗12945尾草魚魚苗，經孵化培育最後獲得1120尾五寸左右草魚，對1120尾草魚提取血液總dna進行pcr和southern雜交檢測， 2000年轉導的草魚的pcr檢測結果，有672尾草魚即600k轉化個體的總dna能擴增出一條485kb的特異分子帶，說明轉化個體整合有huj ifn基因，經southern雜交進一步證實，轉入的抗病相關基因己在轉基因草魚體內染色體上得以整合，但整合位點沒有固定區域，整合的拷貝數存在較大差異。
  15. The l - n - carbamoylase of arthrobacter bt801, coded by the hyuc gene, is the rate - limiting and the only stereoselective enzyme. hydantoin hydrolase gene ( hyuh ) and n - carbamoylase gene ( hyu c ) were amplified from the plasmid of puc18 - 169 by pcr and, at the same time, activity expression was obtained in e. coli and pichia pastor is gs115 respectively

    節桿菌bt801的乙內酰脲水解酶催化乙內酰脲類化合物水解開環， n -氨甲酰基氨基酸水解酶是該菌乙內酰脲酶系中惟一具有立體選擇性的酶，也是整個反應體系的限速酶。
  16. Soybean cotyledonary nodes were transformed with s gene of ibv via a. tumefaciens - med ated transformation. the highest transformation rate of 6. 7 % was detected in the present experiment

    以子葉節為外植體，在抗性篩選培養基上大多白化死亡，有少數生長出芽，轉化頻率最高為6 . 7
  17. Cylindrical cup is a typical axial symmetrical part, though the deformation of material is simple in drawing process, but during the drawing process, exists a lot of influence factors ( including workpiece material character itself as well as each technological parameters ), and they restrict mutually between the factors. so how to calculate the limiting drawing rate of a cup becomes a complicated nonlinear and multi - gene question. to predicting limiting drawing rate of the cylindrical cup accurately indeed is a very complex subject

    筒形件是典型的軸對稱拉深件，在拉深過程中材料的變形雖然相對簡單，但是在生產過程中，由於影響因素很多（包括工件材料本身性能以及各個工藝參數） ，且各種因素之間相互制約，故如何準確地計算筒形件拉深極限就成為一個復雜的非線性多因子問題，要真正準確預測筒形件極限拉深系數也是一個非常復雜的課題。
  18. In this study the heat output also suggested there was obvious relation between the gene copy number and heat output. the heat output rate of different strains with various copy number is bmb304gfp ) bmb315gfp

    研究含質粒拷貝數目分別為4 、 15的gfp菌株bmb304gfp 、 bmb315gfp的熱動力學變化，發現質粒拷貝數目高的菌株向外釋放的代謝熱少，反之亦然。
  19. Hisityl - trna synthetase catalyzes the aminoacylation of trnahis in the initial step of protein biosynthesis. the involumen of histidyl - trna synthetase in autoimmune diseases is another feature of the enzyme. in studies, it is reported that purified jo - 1 antigen can increase the detection rate of anti - jo - 1 antibody. but it is difficult to obtain a single component by biochemical extraction. genetic engineering can help us to desolve this problem. after looking up mrna sequence encoding histidyl - trna synthetase in genebank, we used rt - pcr technology to gain its full length dna sequence. the vestor ptybllwas used in the construction of expressing vestor. we transformed the jo - 1 gene into er2566 and used this system to express fusion jo - 1 antigen

    本實驗從人胎盤中提取總rna ，利用rt - pcr技術獲得了編碼jo - 1的基因整長序列，選用impact - cn系統中的ptyb11載體，構建了jo - 1基因的克隆與表達載體，並轉化大腸桿菌er2566 ，經過抗性篩選、分子量大小比較、雙酶切鑒定、和pcr鑒定等多種方法驗證，篩選出了5個陽性克隆。
  20. Applications of animal ' s growth hormone are mostly studied by means of protein type, up to now, no other reports about gh gene directly used in animals have been found except one paper about the transfection of human gh gene into mice. in this research, we studied the changes in the bullfrogs after they are separately injected with the recombinant bullfrog gh protein ( re - bfgh ), bullfrog gh plasmid ( vb / gh ), grass carp gh plasmid ( vgcgh ) and expression vector vr1020 while the 0. 85 % salt - water as the control, for the purpose to determine the possibility of that the eukaryotic expression plasmid vbfgh and vgcgh are expressed in adult bullfrogs and affect their growth rate and plasma gh. we hope the results will help developing a new approach to promote the animal growth

    本研究首次以兩棲動物牛蛙為研究對象，進行了其生長激素基因的克隆以及原核表達質粒與真核表達重組質粒的構建、重組牛蛙gh蛋白的生物活性和免疫活性檢測以及重組蛋白制劑和核酸制劑的制備及其體內促長作用等表達效應研究，研究目的在於求證重組真核表達質粒是否能在牛蛙中表達、其促長效應是否強于重組bfgh蛋白，為探索重組生長激素真核表達質粒能否替代重組gh蛋白作為動物促長基因制劑等研究奠定理論基礎。
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