誘變因子 的英文怎麼說

中文拼音 [yòubiànyīnzi]
誘變因子 英文
mutagenic agent
  • 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
  • 因 : Ⅰ動詞[書面語] （沿襲） follow; carry on Ⅱ介詞1 [書面語] （憑借; 根據） on the basis of; in accord...
  • 子 : 子Ⅰ名詞1 （兒子） son 2 （人的通稱） person 3 （古代特指有學問的男人） ancient title of respect f...
  1. The b lymphocyte stim lator ( blys ) also known as baff, tall - 1, thank, ztnf4, is the most recent addition to the tumor necrosis factor family ( tnf ) ligands. blys induces both in vivo and in vitro b cell proliferation, differentiation and immunoglob lin secretion. meanwhile, it also strongly suppresses the growth of tumor cell lines. the over - production of blys is associated with the development of certain autoimmune disease, such as systemic lupus erythaematosus ( sle ), rheumatoid arthritis, myasthenia gravis, sj greh ' s syndrome

    人b淋巴細胞刺激因子（ hblys ）是1999年發現的腫瘤壞死因子超家族成員。最早發現其可誘導腫瘤細胞凋亡，之後發現它是一個強有力的b細胞共刺激因子，它在體外及轉基因動物體內可明顯刺激b細胞的生長，免疫球蛋白分泌，並導致動物自身免疫性改變。
  2. This experiment passing to grope for the carbon source constitutes of the culture medium and using t. reesei rut c - 30 induced the expression of # - mannanase ( # - 1, 4 - mannan mannohydrolase ec 3. 2. 1. 78 ). in this experiment i put the constant carbon source ( lactose and locust bean gum ) in the foundation culture medium ( mandels nourishment liquid ) of t. reesei rut c - 30, then proceeded the variable carbon source ( dragon spruce fiber, com rush pith fiber, wheat straw fiber, wheat straw xylan, corn rush pith xylan, dragon spruce mannan ) to single factor, double factor, three factor, four factor and five factor orthogonal experiment. 1 determined the activity of p - mannanase using locost bean gum as substract by the 3, 5 - dinitosalicylic acid method, and observed the growing situation of the gernic at the end i selected the directions for the inducement expression of the # ? mannanase from trichoderma reesei rut - c30 that contained the dragon spruce fiber, wheat straw xylan, dragon spruce mannan

    在里氏木霉rutc - 30的基礎培養基（ mandels營養液）中加入固定碳源乳糖和槐豆膠，然後將可變碳源（雲杉纖維、玉米芯纖維、麥桿纖維、麥桿木聚糖、玉米芯木聚糖、雲杉甘露聚糖）進行單因子、雙因子、三因子、四因子、五因子的里氏木霉rutc - 30正交培養實驗，並以槐豆膠為底物用3 ， 5二硝基水楊酸法測定培養液中?甘露聚糖酶的活力。從而確定了酶活最高且菌體生長良好的含雲杉纖維、麥桿木聚糖和雲杉甘露聚糖的誘導培養基為最佳培養基，用該培養基培養的里氏木霉（ t . reesei ） rutc - 30使其轉錄的-甘露聚糖酶（ - 1 ， 4 - mannanmannohydrolaseec3 . 2 . 1 . 78 ） mrna量能夠滿足rt - pcr的要求。
  3. The ast ( anthocyanin spotted testa ) mutant, which was induced by carbon ion beam, was a single recessive gene mutant of arabidopsis thaliana and involved in the anthocyanin biosynthesis

    擬南芥ast （ anthocyaninspottedtesta ）突變體是由碳離子束誘導產生的與花青苷生物合成有關的突變體，受單隱性核基因控制。
  4. 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 。
  5. No, a first gas information molecule discovered in human being, is a typical endothelial - derived relaxant and mediates endothelium - dependent relaxation of blood vessels. in the pathogesis of endotoxin shock vec is one of the major target cells of lps and lps - induced proinflammatory cytokine such as tumor necrosis factor and interlukin 1 and activated. in vec inducible nitric oxide synthase ( inos ) is induced and lead to an increase in production of no, the while endothelial nitric oxide synthase ( enos ) is inhibited and elicit decrease in no formation, both of which are demonstrated to induce the

    在內毒素休克過程中vec是lps及其誘導機體產生的多種促炎細胞因子如tnf 、 il - 1作用的主要靶細胞， vec誘導型一氧化氮合酶（ induciblenitricoxidesynthase ， inos ）激活、 no大量誘生而內皮型一氧化氮合酶（ endothelialnitricoxidesynthase ， enos ）活性被抑制、 no生成障礙，是血管反應性異常變化、血管調節機制紊亂的重要發病環節。
  6. Low - energy ion implantation has been considered as a new kind of mutation breeding and foreign gene delivery techniques. by the means of implanting low - energy ions into organisms, the biological effects and the function mechanisms of the technique were investigated by some researchers

    離子束生物技術是一種新型的生物誘變技術，它是通過將低能離子束注入生物體內，來研究其生物學效應和作用機理，並將它應用於遺傳育種和基因工程等方面的一種綜合技術。
  7. The high - enzyme activity has 2 base changes, resulting in long amino acid sequence with native amylase. this inducing method resolved the problem of non - effective induction as in base analogue induction. and the method we used provide a new measure for this kind of work

    高酶活編碼區位點突變導致c -端序列變化和終止子的后移本誘變方法克服了用堿基類似物在體內誘變由於核酸復制酶等的校正作用而造成誘變無效的難題，為基因的誘變找到了一條新途經。
  8. In order to study the expression of 3 - defensins in liver as acute phase response proteins, a murine systemic acute phase responsive model was established by intraperitoneal injection o f lipopolysaccharide ( lps ) in our study. the mbd3 cdna sequence ( 145 - 169 bp ) was labled with [ - 32p ] atp as a probe to detect mbd3 mrna in different tissues by northern blot and analyze the time - and dose - dependant expression caused by lps. the 5 " flanking sequence ( - 167 - 179 bp ) of the mbd3 gene was designed as the probe and labled with [ - 32p ] dctp to investigate the binding of transcriptional factors to this region by electrophoretic mobility shift assay ( emsa ) and south - western blot

    以小鼠mbd3基因145 ? 169bpcdna序列合成探針，經[ - ~ （ 32 ） p ] atp標記后通過northernblot方法檢測mbd3在肝臟中的表達，同時分析了mbd3基因誘導表達的組織特異性，劑效和時效關系；結合mbd3基因啟動子區序列分析，以- 164 ? - 179bp雙鏈dna序列合成探針，經[ - ~ （ 32 ） p ] dctp標記后通過電泳遷移率改變實驗（ emsa ）和south ? westernblot方法對參與mbd3在肝臟中誘導表達調節的轉錄因子進行分析。
  9. The results of emsa showed the obvious retardant bands, which suggest that some proteins in nuclei can bind to the specific dna sequence of mbd3 gene after lps treatment. 5. the molecular mass of this dna binding protein was assessed between 43. 0 - 66. 2 kd by south - western blot

    4 .電泳遷移率改變實驗有明顯的滯后帶形成，表明lps刺激后，肝臟組織的細胞核內有轉錄因子與mbd3基因特異的dna序列結合，參與mbd3基因的誘導表達5 . south一westemblot進一步確定此轉錄因子分子量在43 . 0一「 . 2kd之間。
  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. The minshan mountains black bears " population viability analysis ( pva ) has been carried out. the vertex software is used to simulate on population dynamics with the kind without inbreeding and inbreeding cause death same price coefficient is 3. 14, food poor harvest and human - caught as disaster change factors based on the already various parameters collected

    在已收集的各項參數和環境資料的基礎上，以岷山山系內各縣所轄區域作為研究區域，運用vertex軟體，對沒有近親繁殖和近親繁殖致死等價系數為3 . 14 、食物欠收和人類誘捕為災變因子等影響下的種群動態進行了模擬。
  12. The emphasis of the paper is the influence of the shifts of metabolic process induced by environmental factors such as dissolved oxygen, temperature, aerial pre - exposure and pre - exposure to chemicals on the accumulation and transport of dissolved metals

    綜述溶解氧、溫度、空氣預暴露、化學物質預暴露等環境因子，誘導的機體代謝過程的改變，對溶解態重金屬的累積和轉運過程的影響。
  13. Some physical methods of herbage seed selection applied in grassland ecotogical resume were introduced, including electric field, magnetic field, physical radiation, laser, ion beam and alternative stress etc., and their application in biological effect, induced breeding and transgenic techniques

    摘要介紹了草原生態恢復中選育優良牧草種子的一些物理學方法，包括電場、磁場、物理輻射、激光、離子束和交變應力等在植物的生物學效應、誘變育種和轉基因技術中的應用。
  14. We detected the transcription and translation change of different thrs genes by semiquantitative reverse transcription - polymerse chain reaction ( rt - pcr ) analysisjelisa respectively. at same time the differentiated cell were identified by immunocytochemistry method. results ( l ) nsc induced by mitogens were nestin - positive and incorporated by brdu

    以pdgf 、 t _ 3對nsc進行誘導分化，並分別用rt - pcr半定量法、 elisa法檢測nsc在不同誘導因子作用下分化前後thr各亞型在轉錄與翻譯水平上的表達變化，用免疫細胞化學方法鑒定分化后的細胞類型。
  15. The applications of ion beam technology on the wheat breedings1 were elucidated, the principles and methods of breedings through ion - beam - induced mutation and ion - beam - mediated transgene were summarized and the parameters involved in wheat breedings in detail ware described

    摘要闡述了離子束生物技術在小麥育種領域應用情況，概括介紹了離子束誘變育種和離子束介導轉基因技術的原理及方法，對離子束小麥育種過程中涉及的主要技術參數作了詳細描述。
  16. In summary, we used the cdna microarrays to analyze the differentially expressed genes in the arsenic trioxide induced k562 cells. our results further confirmed in gene expression level that growth arrest and apoptosis could be induced by arsenic trioxide. such induced apoptosis may also involve the functional inhibition of igf

    應用基因晶元技術研究aszo3作用前後k562細胞的基因表達變化，與以往的研究結果相一致，也是通過抑制細胞生長、誘導細胞凋亡而發揮抗腫瘤的作用，在這個過程中， aszo3可能對胰島素樣生長因子有抑制作用。
  17. The 3. 4kb ecori dna fragment of the pgxn201 and the mutant ecori dna fragments of the three mutant plasmids were subcloned into the ecori sites of the clone vectors ml3 and the pgem3z - f ( + ) respectively. through dna sequencing and dna sequence analysis by comparing with the bradyrhizobium japonicum dna sequences reported, we found that there are four intact open reading frames in the 3. 4kb fragment and it was highly homologous to the bradyrhizobium japonicum dna sequence reported, and the tn5gusa5 containing in the pgxn217 was inserted in one of the four open reading frames. this open reading frame located on about 5. 5kb upstream of the nfec gene, which includes 207bp nucleotides, coding 68 putative amino acids and this is completely identical to that of the bradyrhizobium japonicum dna sequence reported

    本研究首先利用轉座子tn5gusa5對重組質粒pgxn201進行誘變，獲得3 . 4kbecori片段插入了tn5gusa5的突變質粒pgxn215 、 pgxn216 、 pgxn217 。對這些突變質粒進行亞克隆及測序分析並與基因庫中已報道的慢生型大豆根瘤菌的dna序列作比較，發現突變質粒pgxn217中tn5gusa5恰好插入在一個未知功能的開放閱讀框架內。將pgxn201的3 . 4kbecori片段與m13作連接，獲得亞克隆pgxn201c ，對pgxn201c進行測序分析，發現與基因庫中已報道的慢生型大豆根瘤菌的dna序列有95的同源性。
  18. Research progress in interaction between microorganism and physical mutagenic factors

    物理因子對微生物誘變作用的研究進展
  19. The mutant pel - d92l was expressed in pichia pastoris gs115, sds - page detection showed that the expression product pel - d92l - gs is different from pel - gs, and its " yield decreased dramatically, the themostability of pel - d92l - gs is also different from the pel - gs, but their optimum temperatures are same. 3. directed evolution of pel through random mutagenesis mutagenesis pcr carried out in error - prone conditions was used on the vector psk - pel, using the oligos " beginning " and " end ", homologous to the 5 ' and to the 3 " ends of the gene of pel respectively

    三、 pel基因的隨機誘變用易錯pcr方法對pel基因進行隨機誘變， pcr產物與ppic3 . 5k連接，轉化大腸桿菌，獲得的混合質粒電轉化畢赤酵母gs115 ， omm平板篩選適于低溫或對熱穩定的重組子，篩選獲得一株最活反應溫度、熱穩定性、發酵酶活均有提高的突變體pel - ep5 - gs ，其最活反應溫度為45 ，比野生型高出5 ； 40處理30min殘留活性為56 ，大大高於野生型的6 ；初始ph7 . 3528條件下培養72h ，發酵上清酶活為325u / ml 。
  20. Many researches were carried through in mammal animals showed that mitochondrial an er might have changed much after apoptosis induced by a variety of stimuli, including cytokines, anti - cancer drugs, growth factor deprivation and so on. however, few researches were gone on the apoptosis in the insect cells

    在哺乳動物中的許多研究表明，各種誘導因素，如：抗癌藥物、除去生長因子和細胞因子等引起凋亡時，線粒體和內質網中都會經歷一系列的變化，而在昆蟲細胞中這個方面的研究比較少。
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