芳香氨 的英文怎麼說

中文拼音 [fāngxiāngān]
芳香氨 英文
aromatic amine
  • 芳 : Ⅰ形容詞1. （香） fragrant; sweet-smelling2. （美好的） good （name or reputation）; virtuous Ⅱ名詞（姓氏） a surname
  • 香 : Ⅰ形容詞1 （氣味好聞） fragrant; sweet smelling; aromatic; scented:稻香千里 the fragrance of ripen...
  • 氨 : 名詞[化學] （氮和氫的化合物） ammonia; hydrogen nitride
  • 芳香 : fragrant; aromatic; sweet fragrance
  1. The enzyme 5 - enolpyuvyl - 3 - phosphoshikimic acid synthase ( epsp synthase ; ec2. 5. 1. 19 ), encoded by anoa locus, is a key enzyme present in microorganisms and plants where it has a function in the biosynthesis of aromatic amino acids. glyphosate ( n - phosphonomethyl - glycine ) is an effective non - selective, broad spectrum, postemergence herbicide, which has been shown to inhibit epsp synthase activity in a competitive manner. glyphosate tolerant plants can be mediated by either overproduction of the target enzyme or by the presence of an altered enzyme

    植物和微生物芳香族氨基酸生物合成過程中的一個關鍵酶? ? 5 -烯醇丙酮莽草酸- 3 -磷酸合成酶（ epspsynthase ； ec2 . 5 . 1 . 19 ）由aroa基因編碼，該酶受廣譜滅生性、內吸傳導型除草劑草甘膦的競爭性抑制，將epsp合成酶基因轉入植物中可獲得草甘膦耐受植株。
  2. Aromatic metabolites such as tryptophan, phenylalanine, tyrosine which can only be synthesized by plants and microbes are essential amino acids for human and animals

    芳香族氨基酸包括酪氨酸、苯丙氨酸和色氨酸，是人體和動物體內的必需氨基酸。
  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. Aromatase inhibitors, such as aminoglutethimide and anastrozole, work in a different way to lower estrogen levels

    氨魯米特和阿那曲唑作為芳香酶抑制劑是通過另一途徑來降低雌激素。
  5. In microorganisms and plants the first step in the aromatic acid biosynthetic pathway is the condensation of pep and e4p, with the release of the phosphate of pep and the formation of dahp

    在細菌和植物中，由公共途徑莽草酸途徑以及三個專一性途徑分別合成苯丙氨酸、酪氨酸和色氨酸三種芳香族氨基酸。
  6. The common biosynthesis pathway of aromatic amino acids includes seven steps from dahp to chorismate acid. for the common pathway, 3 - dehydroquinate ( dhq ) synthase ( encoded by arob ), 5 - enolpyruv - oylshikimate s - phosphate ( epsp ) synthase ( encoded by aroa ), and chorisma - te synthase ( encoded by aroc ] are rate - limiting enzymes

    芳香族氨基酸的合成步驟有七步是共同的，亦即從dahp到分支酸的合成步驟，其中脫氫奎寧酸合成酶（ arob ） 、 5 -烯醇式丙酮酰莽草酸合成酶（ aroa ）和分支酸合成酶（ aroc ）是此代謝途徑的關鍵酶。
  7. Chorismate acid is branch point in aromatic amino acids biosynthesis, related to phenylalanine, bifunctional enzymes chorismate mutase / prephenate dehydratase ( encoded by phea ) is rate - limiting enzyme

    分支酸是芳香族氨基酸合成途徑的分支點，與苯丙氨酸合成有關，雙功能酶分支酸變位酶-預苯酸脫水酶（ phea基因編碼）是關鍵酶。
  8. So it has increasing commercial demand. escherichia coli and many other microoganism synthesize aromatic amino acids through the condensation reaction between phosphoenolpyru vate ( pep ) and erythrose - 4 - phosphate ( e4p ) to form 3 - deoxy - d - arabinohep tulosonate 7 - phosphate ( dahp ). pep and e4p are limiting substrates for formation of dahp

    大腸桿菌和許多微生物一樣，其合成芳香族氨基酸的起始物是由磷酸烯醇式丙酮酸（ pep ）和4 -磷酸赤癬糖（ e4p ）二者縮合形成的3 -脫氧- -阿拉伯庚酮糖酸- 7 -磷酸（ dahp ） 。
  9. The inclusion behaviors of b - cyclodextrin with some aromatic amino acids such as l - phenylalanine, l - tyrosine and l - tryptophan were studied via ultraviolet and fluorescent spectrometry. the results indicated that inclusion complexes of - cyclodextrin with aromatic amino acids could be formed and the inclusion behaviors were affected by the amount of - cyclodextrin, temperature and ph value

    本文研究了?環糊精與芳香族氨基酸l ?苯丙氨酸、 l ?酪氨酸和l ?色氨酸之間的包合作用，考察了?環糊精用量、溫度、時間和ph值等因素對包合作用的影響。
  10. The 1 : 1 inclusion complexes of - cyclodextrin with phenylalanine and tyrosine were formed ; but 2 : 1 complex was afford from - cyclodextrin with tryptophan owing to the various sites and chaps of different amino acids. the inclusion behaviors of - cyclodextrin and its polylactide - garfted copolymer with insulin were also studied via ultraviolet and fluorescent spectrometry

    隨著?環糊精用量的增加和作用時間的延長， ?壞糊精對芳香族氨基酸的包合作用增強，揭示了?環糊精與芳香族氨基酸包合物在水溶液中的形成是一動態平衡過程。
  11. When both genes were co - expressed in e. coli, the activity of ppsa varied from 2. 1 - 9. 1 fold comparing to control, but the activity of tkta was relatively stable ( 3. 9 - 4. 5 fold ). whatever the two genes were expressed respectively or cooperatively, both could promote the production of dahp, the first intermediate of the common aromatic pathway, but co - expression was more effective on forming dahp and screened ppt - and ptp - as more effective. the results demonstrate that co - expression of ppsa and tkta can improve the production of dahp, and what ' s more, when multigenes co - expressed, the recombinant which has coordinated enzymes activity is optimum

    莽草酸途徑的最優化和整體調控基因csra的敲除正是上述改變的分子基礎，同時也為三種芳香族氨基酸的基因工程菌的構建打下了基礎; 7 .在國內外首次實現了共同途徑限制性底物關鍵酶ppsa刁無『及arog與分支途徑關鍵酶基因phea的串聯高效表達，所構建的重組質粒ptga ，其ppsa 、 tkta 、 arog 、 cm和pd的酶活分別比對照提高了3 、 2 、 2 ， 5 、 4 、 2 . 3倍，且其酶活比較協調一致; 8 .將ptga導入到篩選的基因敲除和基因替換菌株大腸桿菌31884 c甲b中，搖瓶發酵證實比以往所構建的基因工程菌株具有較高的phe產量和糖轉化率率，分別為0 . 448 %和22 . 4 % 。
  12. The product chorismate of this pathway is precursor to the synthesis of the aromatic amino acids phenylalanine, tyrosine, and tryptophan as well as other essential aromatic secondary metabolites such as ubiquinone, menaquinone and vitamin k. phosphoenolpyruvate and shikimate 3 - phophate are converted to 5 - enolpyruvlshimimate - 3 - phosphate and phosphate

    芳香族氨基酸苯丙氨酸、酪氨酸、色氨酸和其它一些必需代謝物如泛醌、維生素k2類、維生素k的起始物是莽草酸途徑所產生的分枝酸。
  13. Aromatic spirit of ammonia

    芳香氨醑
  14. Inhibitor of aromatic l amino acid decarboxylase

    芳香氨基酸脫羧酶抑制劑
  15. The polymer ic effects of polylactide - garfted copolymer of - cyclodextrin, including cooperation effect, neighboring effect and polymer chain effect were discussed

    總之， ?環糊精與這三種芳香族氨基酸之間的包合是多種因素協同作用的綜合效果。
  16. The application of transketolase for industrial purpose, such as production of ethanol, biosynthesis of aromatic amino acids and enantiotopic chemicals were reviewed

    本文綜述了該酶的工業生產及應用領域，如乙醇生產，芳香族氨基酸和手性物質的生物合成等。
  17. 8da and the content of cysteine is the highest which attain 22. 2 %, following are lysine ( 8. 0 ) and serine ( 7. 7 % ). however, there are aromatic amino acid residues and histidine in the amino acid sequence such as tyrosine ( 3. 3 % ), phenylalanine ( 3. 0 % ) and histidine ( 2

    序列中還含有少量的芳香族氨基酸，如酪氨酸（ 3 . 3 ） ，苯丙氨酸（ 3 . 0 ）和組氨酸（ 2 . 8 ） ，這一點和牡蠣mt相似，而不同於果蠅和哺乳動物mt （不含有芳香族氨基酸和組氨酸） 。
  18. It was observed that the inclusion complexes of 3 - cyclodextrin and its polylactide - garfted copolymer with insulin could be formed and the inclusion behaviors were affected by the amount of 3 - cyclodextrin, temperature as well as ph value. the formation mechanism of the supramolecular systems between 3 - cyclodextrin and insulin was the similar to that between 3 - cyclodextrin and the above - mentioned aromatic amino acids. because of the three - dimensional structure of insulin and the exterior polar groups of its aggregates, the molecular recognition and inclusion of 3 - cyclodextrin with insulin were hindered

    由於受主客體之間的尺寸匹配性的影響， ?環糊精與這三種芳香族氨基酸形成了不同包合比的包合物， ?環糊精分別與l ?苯丙氨酸和l ?酪氨酸形成了1 ： 1的包合物，而與l ?色氨酸卻形成了2 ： 1的包合物，各包合物的穩定常數也有所不同。
  19. Plastics - polyurethane raw materials - aromatic isocyanates - determination of acidity

    塑料製品.聚氨酯生材料.芳香異氰酸酯.酸度測定
  20. Comparison of chemical processes of aromatic amino acids and a dipeptide induced by uv light and so - 4

    芳香氨基酸及其肽光電離so - 4氧化與光敏化過程的比較研究
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