負突變物 的英文怎麼說

中文拼音 [fùtūbiànwù]
負突變物 英文
dominant negative mutants
  • 負 : Ⅰ名詞1 （負擔） burden; load 2 （虧損） loss 3 （失敗） defeat Ⅱ動詞1 [書面語] （背） carry on th...
  • 突 : Ⅰ動詞1 （猛沖） dash forward; shoot out 2 （高於周圍） protrude; bulgeⅡ副詞（突然） abruptly; sud...
  • 物 : 名詞1 （東西） thing; matter; object 2 （指自己以外的人或與己相對的環境） other people; the outsi...
  • 突變 : 1 （突然急劇的變化） sudden change; change suddenly; transilience; accident; saltation; revulsion...
  1. 3 ) foa ( fluoroorotic acid ) treatment with the dominant negative mutants showed that the dominant negative effects of mutants were caused by the presence of the gpi17 vector, not by another mutation located somewhere in the genome and in a gene involved in the natural resistance against copper

    3 ） foa （ 5 -氟-乳清酸）處理突變體細胞表明，得到的顯性負性突變體不是細胞中銅抗性基因突變的產物，其確為gpi17突變引起。
  2. Rlean meat percentage is one of the most important economic traints in pig breeding programs. myostatin is a negative regulator of skeletal muscle growth. null or low activity of myostatin, individual muscle of mutant amimals would show a large and widespread increase in skeletal mass. myostatin null animals have significantly larger diameter or more quantity of fiber skeletal muscle. the phenotype was termed double muscling. in order to probe the relation between myostatin and high lean meat rate and plump - hipped trait, we sythesized the c ' 80 amino acids coding sequence of porcine myostatin and costructed the cloning and expressing vector of it

    肌生成抑制素（ myostatin ，即mstn ）是近幾年來（ mcpherrona . c等， 1997 ）發現的骨骼肌生長的負調控因子，它主要在骨骼肌中表達。其活性的喪失，會引起動物肌肉的過度發育，肌纖維直徑變大或肌纖維數增加，表現為雙肌癥狀。肌生成抑制素研究的突破將對豬、肉雞、肉牛等畜禽生產性能的提高具有特別重要的意義。
  3. 4. engineering dhqase ( arod ) - deficient e. coli mutant with a second copy of the arob gene gene targeting technique was used to disrupt the arod gene in e. coli chromosome. the mutant 31bk was engineered, in which homologous recombination of the arobkanr gene cassette into the arod locus ( arod : : arobkanr ) of the e. coli strain atcc31884 genome utilized the helper plasmid pkd46 with red system. the host cell 31bk lacked catalytic activity of dhqase ( arod ) and had a second copy of the arob gene, so it improved carbon flow into the quinic acid biosynthesis direction

    構建宿主菌基因精確定位突變株31bk （ arod : : arobkan ~ r ）為了改變代謝途徑脫氫奎尼酸（ dhq ）分支點上的代謝流量，使之充分流向目的產物奎尼酸合成方向，利用基因打靶技術構建了31884宿主菌arod基因精確定位插入突變體，使dhq脫水酶（ dhqase ）失活，阻斷了碳代謝流流向芳香氨基酸生成的方向，同時用同源重組的方法將arob基因定位整合入染色體上，解除了限速酶對碳代謝流通過共同途徑到達dhq的阻遏影響，並減輕代謝負擔。
  4. The moral predicament during the transformational period of the society is prominently manifested in the loss of the standard for moral evaluation, the confusion of value - orientation, the overflow of immoralism, the weakening of morality - regulating mechanism of the society, and the distortion of moral education, etc. these predicaments seriously hinder the development of socialist material and spiritual civilizations, and its appearance is inseperable from the specific social and historical circumstances of the transformational period ; meanwhile, the negative effect resulting from the initially established market economy, cultural changes, cultural mingling and conflict, and the choice of moral subject all contribute to the moral crisis of china presently

    社會轉型期道德困境突出表現為道德評價失范、價值取向紊亂、非道德主義泛濫、社會道德控制機制弱化和道德教育扭曲變形等幾個方面。這些困境，嚴重妨礙著社會主義物質文明和精神文明的發展，它的產生，和轉型期這個特定的社會歷史條件是分不開的；同時，我國初步建立市場經濟所帶來的負效應，文化的變遷、文化的交融與沖突及道德主體自身的選擇也是導致當前中國社會道德危機的重要原因。
  5. Abstract : plant responses to salt stress via a complex mechanism, including sensing and transducing the stress signal, activating the transcription factors and the corresponding metabolizing genes. since the whole mechanism is still unclear, this review emphasize the biochemical events during the plant adaptation to salt stress referring to an index of importance : the homeostasis in cytoplasm, the biosynthesis of osmolytes and the transport of water. most of these biochemical events were elucidated by study of halophyte and salt - sensitive mutations, also many important genes involved were cloned and used to generate stress - tolerance phenotypes in transgenic plants. on the other hand, about the molecular mechanism in signal transduction, the research of arabidopsis mutations and yeast functional complementation provided helpful traces but not full pathway

    摘要植物對鹽脅迫的耐受反應是個復雜的過程，在分子水平上它包括對外界鹽信號的感應和傳遞，特異轉錄因子的激活和下游控制生理生化應答的效應基因的表達.在生化應答中，本文著重討論負責維持和重建離子平衡的膜轉運蛋白、滲調劑的生物合成和功能及水分控制.這些生理生化應答最終使得液泡中離子濃度升高和滲調劑在胞質中積累.近年來，通過對各種鹽生植物或鹽敏感突變株的研究，闡明了許多鹽應答的離子轉運途徑、水通道和物種特異的滲調劑代謝途徑，克隆了其相關基因並能在轉基因淡水植物中產生耐鹽表型;另一方面，在擬南芥突變體及利用酵母鹽敏感突變株功能互補篩選得到一些編碼信號傳遞蛋白的基因，這些都有助於闡明植物鹽脅迫應答的分子機制。
  6. The research team of prof chan hsiao chang, director of the epithelial cell biology research centre, in collaboration with zhejiang academy of medical sciences, demonstrated that cystic fibrosis transmembrane conductance regulator cftr is involved in transporting bicarbonate into sperm, and thus, is vital to sperm fertilizing capacity and male fertility. cftr is an anion channel, mutations of which cause cystic fibrosis, a disease characterized by defective cl - and hco3 - transport with clinical manifestations in a number of organ systems

    由陳小章教授領導的香港中文大學上皮細胞生物學研究中心的研究人員，與浙江醫學科學院合作，證實囊性纖維化跨膜電導調節器（ cftr ）負責輸送碳酸氫根進入精子，對精子授精能力及男性生育能力非常重要； cftr是一個陰離子通道，其基因突變會導致囊性纖維化，因為氯離子和碳酸氫根（ hco3 - ）分泌缺陷，引發一系列器官病徵。
  7. When the two or more mortgages which are all priority rights coexist on the same estate and its actual value after being saled ca n ' t satisfy the all creditor ' s claims, the validity of these mortgages will conflict among them, under such circumstances, which mortgage should be prior to the others ? the answer to this question would be directly relevant to whether the mortgaged debt will be paid or not and in what extent

    當兩個或兩個以上的都具有優先受償效力的擔保物權同時並存於同一財產上，且該財產變賣的價值又不足以清償所負擔的數個債權時，數個擔保物權之間將發生效力沖突，此時，哪一個權利更應優先得到滿足，將直接關繫到它們所擔保的債權能否受償以及能在多大程度上受償。
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