誘變處理 的英文怎麼說

中文拼音 [yòubiànchǔlǐ]
誘變處理 英文
mutagenize
  • 誘 : 動詞1. （誘導） guide; lead; induce 2. （使用手段引人隨從自己的意願） lure; seduce; entice
  • 處 : 處名詞1 （地方） place 2 （方面; 某一點） part; point 3 （機關或機關里一個部門） department; offi...
  • 理 : Ⅰ名詞1 （物質組織的條紋） texture; grain （in wood skin etc ） 2 （道理;事理） reason; logic; tru...
  1. Objective to investigate the effects of fluid shear stress on il - 8 gene in human umbilical vein endothelial cells ( huvecs ) and the roles of time course of low shear stress and intensity of fluid shear stress using lightcycler ? system ; to investigate the gene expression profiles in huvecs exposed on low shear stress ( 4. 20 dyne / cm2, 2 h ) and incubated by 17 p - estradiol ( 10 - 7 m ) + low shear stress ( 4. 20 dyne / cm2, 2 h ) using the cdna microarray approach. methods endothelial cells were isolated from human umbilical cord veins by collagenase treatment as described by jaffe and modified

    目的探討人臍靜脈內皮細胞（ humanumbilicalveinendothelialcells ， huvecs ）在流體切應力作用下il - 8基因的誘導表達以及切應力的作用時間和作用強度對il - 8基因表達影響的變化規律；利用表達譜基因晶元技術研究內皮細胞在低切應力（ 4 . 20dyne cm ~ 2 ， 2h ）作用下其切應力相關基因的表達情況以及生理濃度（ 10 ~ （ - 7 ）的17 -雌二醇孵育內皮細胞48h ，再經同樣條件的切應力處理后對內皮細胞切應力相關基因表達的可能影響。
  2. New variants of some plant viruses have been produced artificially in the laboratory by treating pure virus strains with mutagens.

    用亞硝酸之類的誘變處理純病毒株系，能在實驗室內人為地使有些植物病毒產生新變種。
  3. The mice showed also ageing - associated decline in oocyte quality, as indicated by increased frequency of premature chromatid separation, spindle disruption and / or chromosome misalignments in mii oocytes of aged mice. the gv oocytes from aged mice normally matured in vitro. the percentages of pronuclear - stage embryos, 2 - cell embryos and blastocyst derived from mii oocytes of aged mice by in vitro fertilization ( ivf ) were comparable with ones of young mice, but pronuclei formed 1 h later in aged mice than in young mice

    老齡小鼠gv期卵母細胞能正常體外成熟；老齡小鼠m期卵母細胞經體外受精后形成原核期胚、 2 -細胞期胚和囊胚的比率與年輕小鼠比較無顯著差異，但原核形成時間延遲1小時；在老齡小鼠卵母細胞，注射牛精子抽提物或sr ~ （ 2 + ）處理時所誘發的ca ~ （ 2 + ）振蕩以及在減數分裂成熟及早期胚胎中的pkc分佈未發生改變。
  4. The adult brain shows remarkable plasticity, learning - induced plasticity is that an awake animal learns the association between two events and modifies processing ability of its brian to specific information and thus change its behavior as a function of the learned association

    成體腦存在顯著的可塑性。學習誘導的可塑性是指動物學習兩個事件之間的聯系而產生的腦對特定信息處理功能的改變並能隨之調整本身行為的現象。
  5. Explants of d. zingiberensis could obtain the approciate efficency on ms + ba2. 0mg / l ; and the experiment of microtuberization on ms + ba6. 0mg / l or ba 8. 0mg / 1 all failed of success, it could obtain completed regenerated plantlets on l / 2ms + iba0. 1mg / l, the rooting rate was 50 %

    以秋水仙素濃度和處理時間為變量因子，以誘導率和死亡率為因變量，進行方差分析，結果表明，秋水仙素濃度和處理時間的薯莉屬扳勃fdforo 。
  6. Under different al concentrations, there are same change curves of sce rates hi cv. 2000 - 2 and cv. humai 16, but their critical concentrations, which can induce the highest sce rates, were significantly different from each other

    經不同鋁濃度處理，這兩個品種的sce率具有相類似的變化曲線，但兩者的臨界濃度（誘導sce率最高的濃度）顯著不同（分別為10和320 mol l ） 。
  7. The paper summarized study progress that laser applied in biological field such as biological stimulation of laser induced breeding by laser, cytological effect on organisms by radiated laser

    摘要本文綜述了近些年來激光在生物學領域中研究的進展，對激光的生物學刺激效應、激光誘變育種、激光處理對生物細胞學的影響進行了介紹。
  8. In our laboratory, a unique mutation detection system using a shuttle vector plasmid has been established to demonstrate that a low concentration of mnng ( 0. 2 m ) can induce nontargeted mutation in mammalian cells : the mammalian cells were exposed to 0. 2m mnng for 2. 5h, then a shuttle plasmid pz189 carrying supf trna gene was transfected into cells after 24h culture. we found a 5 - fold higher mutation frequency of the plasmid replicated in pretreated cells than the spontaneous mutation frequency of the plasmid replicated in control cells. this kind of mutation did not occur immediately after mnng exposure

    我們實驗室曾用一特殊的突變檢測系統，直接證明dna損傷劑可在哺乳動物細胞誘發非定標性突變：首先用低濃度（ 0 . 2 m ）的短壽烷化劑mnng （半壽期為1 . 1hr ）處理細胞2 . 5h后，繼續培養24h ，將重組有用作突變檢測的靶基因supftrna基因的穿梭質粒pz189轉入細胞復制，發現在未受致癌物直接攻擊的穿梭質粒中有較自發突變率高5倍以上的靶基因突變。
  9. From 19 arabidopsis male sterile lines isolated from an ethyl methanesulphonate - induced ( ems - induced ) population, a total of four male sterile mutants were screened with each mutant controlled by a single recessive gene

    首先對19個經化學誘變劑ems處理得到的雄性不育突變體進行背景純化和遺傳分析，從中篩選到四個單個隱性基因控制的雄性不育突變體（ ec2 - 157 、 ec1 - 188 、 ec2 - 115和ec2 - 214 ） 。
  10. Due to its supper - resolution imaging ability and its unique three - dimensional microfabrication ability. it has been widely used in life science, 3d - optical data storage, and lithographic microfabrication. the imaging principles of confocal microscopy have been discussed extensively by many authors, but all of those theories did n ' t account for the nonlinear effect of two - photon excitation

    近十多年來，其理論研究和應用研究都取得很大進展，特別是雙光子共焦顯微鏡，由於具有極高的空間解析度和特有的三維處理能力，因而在生物醫學研究、三維高密度存儲以及三維微細加工等領域具有變革性的應用潛力，取得了許多突破性進展，已成為光學及其交叉學科中最誘人、最活躍的研究領域之一。
  11. Streptomyces tenebrarius a04, the producer ( with a titer of 2874u / ml ) of single component of nebramycin ? apramycin was studied in this paper. after treatment of spore suspension and mycelia shivered by supersonic with mutagen, combined with the application of screening models, some stable high yield apramycin - producing strains ( with a fermentation titer of 4800 - 5200u / ml by shaking flask ) such as a2 - 23, a2 - 30, asm6 and al - 16 were obtained

    本文以尼拉黴素單一組分?安普黴素產生菌s . tenebrariusa04 （發酵單位為2847u ml ）為出發菌株，通過對單孢子懸液和超聲波破碎菌體的誘變處理並復合篩選模型，獲得了遺傳特性穩定的單組分高產菌株： a2 - 23 、 a2 - 30 、 asm6 、 a1 - 16 ，搖瓶發酵單位達4800 - 5200u ml 。
  12. In order to enhance the trehalose production, y7 was used for mutation with ems. through primary screening and compound screening, strain l61 with high - yielding trehalose and deep neutral trehalase activity was screened

    實驗對出發菌株y7進行了ems誘變處理，通過初篩、復篩，從中選育出一株能高產海藻糖同時具有較低海藻糖分解酶活性的菌株l61 。
  13. Using " shanghai no. 4 " and " dongcun jiaopei " as donor materials, variants with improved heat tolerance were obtained through treating haploid stem apexes with pingyangmycin and then culturing survived stem apexes with stress of higher temperature

    摘要用平陽黴素對青花菜「上海4號」和「東村交配」的單倍體莖尖進行誘變處理，以高溫作為選擇壓力，獲得一批耐熱性明顯比原始品種提高的單倍體變異體。
  14. The acrystalliferous and plasmid - free derivatives of bacillus thuringiensis were screened with ethidium bromide treatment, elevating growth temperature from 42 to 44 then to 46 by degrees, and treating it with 0. 05 % sodium docecyl sulphate ( sds ) as the plasmid - curing agent at 46

    分別用溴化乙錠誘變處理、逐級升溫培養以及用sds處理等三種方法對蘇雲金芽胞桿菌無晶體（ cry ~ - ）和無質粒突變株進行了篩選研究。
  15. Combined with the recent researches, the application of static electricity equipments in fermented food production were summarized, e. g., wine aging hastening, vinegar and raw soy sauce sterilization and saccharomyces cerevisiae mutation by static electricity, etc

    摘要結合近年的研究與探索，對靜電設備在釀造品生產中的應用進行了綜述，如靜電催陳酒類和醋類，生醬油滅菌處理以及用靜電誘變釀酒酵母等。
  16. The results were as follows : ( l ) the pre - incubation of pmr induced the exocytosis of the cortical granules ( cgs ) in the oocytes and reduced the quantity of the microvillus on the surface of oocytes ; ( 2 ) the matrix of cg might migrate to the surface of plasma membrane of oocytes after pmr pre - treatment. ( 3 ) incubation of zona - free hamster eggs with spermatozoa pretreated with pmr a ntiserum was associated with a dose - dependent significant reduction in the number of spermatozoa binding to the oolemma, compared with a contraband with a dose - dependent reduction of the fertilization rate and the penetration index. the results indicate that mr of human sperm plays an important role in sperm - oocyte fusion and oocyte activation

    結果顯示： （ 1 ）人精子mr能夠誘發去透明帶金黃地鼠卵母細胞中皮質顆粒的胞吐，並引起卵母細胞膜表面微絨毛形態和數量發生改變； （ 2 ）皮質顆粒胞吐后，其內容物可結合到卵膜表面； （ 3 ）抗mr抗血清預處理精子可抑制精子與卵子的結合與融合，使受精率、穿透指數和結合指數下降，並均有劑量依賴性。以上結果提示，人精子mr在受精過程中起重要作用，其主要作用可能是介導精-卵膜融合併促進卵母細胞的活化。
  17. So knowing the distributing law of the strain field and how the strain field changes with the actuator ' s size is necessary in this text, electronic speckle pattern interferometry is used to test different strain fields produced by bonded actuators with different size. after the fringe is thined, its spine is got. based on the theory of speckle metrology, the displacement from the fringe is got, at last the strain field and how the strain field changes with the actuator ' s size is got

    本文用電子散斑干涉法對不同尺寸的粘貼型壓電驅動器的誘發應變場進行了實驗研究，將所得的干涉條紋進行細化處理，得到干涉條紋的骨脊圖，根據散斑干涉計量術的原理對干涉條紋骨脊圖進行數值計算，得到誘發應變場的位移圖以及粘貼型壓電驅動器的尺寸變化對誘發應變場的影響。
  18. After the induction of iptg, the extracellular proteins of pet22asg / bl21 ( de3 ) plyss showed blue when treated with gus staining solution ; but the extracellular proteins of ck : bl21 ( de3 ) plyss showed no color change with the same treat. these results verified the function of secreting protein by grb - ast signal peptide

    將表達載體pet22asg導入表達宿主菌e . colibl21 （ de3 ） plyss ，經iptg誘導表達，其胞外蛋白以gus染色液處理顯藍色；而對照空宿主菌bl21 （ de3 ） plyss誘導表達后，經同樣的處理，顏色無明顯變化，這初步證實了ast信號肽具有一定的分泌蛋白的功能。
  19. ( 2 ) deletions of four different lengths were conducted using pcr amplification with the information of sequence of pdf 1. 2 gene promoter. these mutated promoters were fused to the gus reporter gene and introduced into tobacco plants. the results of gus activity driven by these different constructs showed that the promoter sequence between positions - 300 and - 243 ( containing a gcc box and a g box - like sequence ) was an essential ja - responsive element region to activate the expression of gus reporter gene, and the - 300 bp position was defined as the boundary of the minimal functional promoter in response to ja signaling

    （ 2 ）對該啟動子的5 』端進行不同長度的缺失突變，突變的啟動子與gus構建的融合基因在煙草中受meja誘導的瞬時表達結果表明，該啟動子中- 300 - 243bp區域（有一個gccbox和一個gbox - likesequence ）是其應答meja處理所必須的區域，並將- 300bp作為該啟動子應答ja信號的最小區域的邊界位置。
  20. So this question must be solved at first. a variety of factors which influence cte mismatch induced thermal stresses such as fiber array, temperature dependent material properties, composites fabrication temperature and pressure has been discussed. on the other hand, the temperature gradient induced thermal stresses is also analysed and factors such as heat treatment conditions, composites fabrication temperature and pressure to influence the stresses are investigated

    本文首先利用ansys模擬基體材料分別處于理想彈性應力狀態和理想彈塑性應力狀態時，各種因素諸如纖維排布模式、模量等性能參數是否隨溫度變化以及復合材料制備溫度和壓力對熱膨脹系數不匹配誘導熱應力的影響；另外，我們也對溫度梯度誘導熱應力進行了一定的研究，分析了各種熱處理工藝以及材料制備溫度、壓力對它的影響。
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