key enzyme 中文意思是什麼
key enzyme
解釋
關鍵酶-
Transketolase is the key enzyme of pentose - phophate pathway, catalyses transfer of a two - carbon fragment from a ketolase ( donor substance ) to an aldose ( acceptor substance )
摘要轉酮醇酶是磷酸戊糖途徑的關鍵酶，催化二碳單元在酮糖（供體）和醛糖（受體）間的轉移。 -
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。 -
Based on the extensive studies of subtilisin - like protease ( prl ) of metarhizium anisopliae, extracellullar serine protease is suggested to be a key enzyme involved in the fimgal penetration to invertebrates. the investigation of serine protease in the nematode infected by owvtl may help to understand the mechanism of nematophagous fimgi as biological control agents. a 3l kda serine protease was isolated and purified from the liquid culture of h rhossiliensis owvtl challenged with nematode panagrellus redivivus
本研究利用線蟲誘導下owvt - 1菌株液體發酵，通過粗分級分離、離子交換層析和凝膠過濾層析分離提純了一個分子量為31kda的絲氨酸蛋白酶，生物學測定表明其對大豆胞囊線蟲二齡幼蟲具有致死作用，同時測定了該酶理化特性，酶活力在75附近酶活力最高，隨著ph的增加酶的穩定性升高，與膽堿酯酶具有相似的ph曲線，對特異性底物aape （ suc - ala - ala - pro - glu - pna ）具有作用， ssi和ci - 2抑制該酶的活性。 -
Many legume plants may produce the beneficial isoflavones, which are vital to the formation of nitrogen - fixing root - nodules and the disease resistance response of plants. white clover ( trifolium repens ), a high quality legume forage, however, has little isoflavones. to improve the isoflavone contents of such forage, an available strategy is to introduce gene ( s ) encoding the key enzyme ( s ) in the biosynthesis pathway of insoflavones
許多豆科植物中都含有異黃酮類化合物，異黃酮對植物根瘤的形成和植物的防禦反應至關重要，但是在牧草白三葉中缺乏這種有益的化合物，因此通過轉基因實驗將異黃酮合成酶基因導入白三葉中，提高其異黃酮的含量，增加白三葉的營養價值。 -
Xanthophyli cycle has been widely concerned since the finding that it has the function in heat dissipation. with the trans - thylakoid ph gradient, zeaxanthin ( z ) together with antheraxanthin ( a ) can absorb excess energy from chlorophyll and release it as heat, thus protect the photosynthetic apparatus from photodamage by high light. violaxathin de - epoxidase ( vde ) is the key enzyme in xanthophylls cycle
目前普遍認為葉黃素循環的色素定位於天線色素蛋白復合體上，在跨膜質子梯度（ ph ）形成后，玉米黃質（ z ）和環氧玉米黃質（ a ）能夠從葉綠素中吸收過多的激發能，並以熱能的形式耗散到體外，從而保護光合器官免受強光的破壞。 -
Research on tyrosinase, the key enzyme causing melanin formation, indicates that arbutin can effectively prohibite melanin formation by cubing on the activity of tyrosinase in non - cell body without affecting cell proliferation
在體外試驗的非細胞體、對黑色素產生的關鍵酶酪氨酸酶的研究表明，熊果苷在不影響細胞增殖的濃度可以抑制黑色素的形成和使酪氨酸酶的活性降低。 -
When drugs administration on the baby fish stopped, the effect on behavior and morphology disappeared. aromatase is the key enzyme for estrogen synthesis
芳香化酶是雌激素生物合成中的關鍵酶，它俗化從雄激素合成雌激素的反應。 -
Flavonoid - 3 ', 5 ' - hydroxylase ( f3 ', 5 ' h ) corresponding to the genetic loci hfl and hf2, a member of the cytochrome p450 family, is the key enzyme in the anthocyanin biosynthesis, which is generally required for blue or purple flowers
本研究以紫藍色矮牽牛基因組dna為模板，利用pcr技術獲得了兩個擴增產物，分別將其克隆至pgem - teasyvector上，進行了全序列分析。 -
The alga regulates its inside turgor to adapt the outside osmotic change by synthesizing a large amount of glycerol. it is important to study glycerol - 3 - phosphate dehydrogenase, the key enzyme of the glycerol metabolism to know how the species can sustain the hyperosmotics press by accumulating so much glycerol
該藻通過甘油進行細胞膨壓的調節，因此對甘油合成途徑上的關鍵酶3 -磷酸甘油脫氫酶（ glycerol - 3 - phosphatedehydrogenase ，簡稱為gpdh ）的研究是至關重要的。 -
As we know tpk is the important key enzyme in cell growth and metabolism. so what we have done is of great significance to study further the biological functions of the new cloned protein related to bsp proteins
我們從大鼠子宮中通過deae 52離子交換柱等純化得到tpk樣品，收集有活性部分，一切操作在4t中進行，然後觀察通過基因工程得到的hbrp對tpk活性的影響。 -
Pal activity could affect anghocyanin accumulation in certain degree, but pal was not key enzyme of anthocyanin biosynthesis in currant fruit
Pal活性對穗醋栗果實花青苷積累有一定影響，但不是關鍵酶。 -
Newswise ? researchers at uab ( uniersity of alabama at birmingham ) hae new information on the structure of a key enzyme in bacteria that could lead to improed antibiotics and less antibiotic resistance
科技信息? ?伯明翰阿拉巴馬（ uab ）大學研究人員發現了有關某種細菌關鍵酶結構的新資料，這將有助於改善抗菌素並減少抗生素耐藥性。 -
It was confirmed that the key enzyme of coq10 synthesis is p - hydroxybenzoate polyprenyltransferase, encoded by gene ubia in e. coli and lacks specificity to the aggregation length of its substrate ( polyisoprenyl pyrophosphate ). if gene ubia can be introduced into psb and is high expression in psb, a recombinant strain producing coq10 could be obtained. consequently, the productive cost will decrease sharply
業已證實coq _ （ 10 ）生物合成的關鍵酶為對羥基苯甲酸聚異戊二烯焦磷酸轉移酶（在大腸桿菌中該酶由ubia基因編碼） ，該類酶對底物聚異戊二烯焦磷酸（ ppp ）的聚合長度並無特殊要求。 -
Effects of different nitrogen forms on key enzyme activity involved in nitrogen metabolism and grain protein content in speciality wheat cultivars
不同形態氮素對專用型小麥花后氮代謝關鍵酶活性及籽粒蛋白質含量的影響 -
An effort to engineering plants with elevated aba levels and subsequent stress tolerance has been shown that 9 - cis - epoxycarotenoid dioxygenase ( nced ) is a key enzyme in abscisic acid biosynthesis under drought - stressed conditions. plants overexpressing nced showed an improvement in drought tolerance. however, plants maybe have not good growth with too high level of aba in the plant body
目前通過提高aba水平來提高植物的逆境脅迫耐力的研究表明9 ?順式環氧類胡蘿卜素雙加氧酶（ nced ）是乾旱脅迫下aba合成中的關鍵酶，並且超表達nced基因可以提高植株的抗旱性；但是如果植物體內積累過多的aba可能會對植物生長造成不良影響。 -
Acetylornithine deacetylase is the key enzyme of producting l - methionine. we mainly do research work on the construction of acetylornithine deacetylase gene - engineering strain and characteristic of proteinase. in order to get high expression deacetylase strain, we obtain the gene by pcr arge gene. the product ( 2800bp ) was cloned into puc19 plasmid and confirmed with blue / white dot screening > restriction enzyme analysis and pcr. then taking the nucleotide sequencing compared with the sequence at blast of u. s. a. we constructed a high expression of gene - engineering strain - pxj 128 which containing the arge gene on the high expressing system of pxji18 with activity of acetylornithine deacetylase above 20000u / g
為了獲得高效表達的脫乙酰鳥氨酸酶工程菌株，在工程菌技術改造及其固定化研究做了進一步的研究和探討。我們採用基因工程技術，通過pcr技術擴增出了酰化酶關鍵酶基因?脫乙酰鳥氨酸酶基因arge ，將其克隆到puc19載體中，經酶切鑒定、 pcr鑒定篩選出重組陽性質粒，並測序鑒定，通過美國blast程序進行了基因數據庫相似性比較分析。 -
Chalcone synthase ( chs ) is a key enzyme in the biosynthesis of all classes of flavonoids
查爾酮合酶（ chalconesynthase ， chs ）是類黃酮合成途徑中的一個關鍵酶。 -
Presently, the scientist have made out some successes by using biotechnology and molecuology, for example, planting out regeneration shoots, culture suspended cell in ferment tank, screening mutant tissue with high content of flavonoids, cloning and sup - expression of key enzyme, restraining derivative pathway by anti - dna or anti - rna and inducing genetic transformated hairy root
通過培養水母雪蓮的發狀根將是獲得雪蓮類黃酮極有前途的方法，目前還是一項待填補的空白。發根農桿菌（ agrobacteriumrhizogenes ）是一種革蘭氏陰性土壤細菌，細胞內有200kb左右的雙鏈閉環dna ? ri質粒（ rootinducingplasmid ） 。 -
They tried to block the active site in a key enzyme in the human immunodeficiency virus known as hiv - 1 protease using fullerene
科學家嘗試用富勒烯來阻隔導致人類喪失免疫的hiv - 1蛋白?上一個關鍵 -
A key enzyme that cuts short our cellular lifespan in an effort to thwart cancer has now been linked to body mass
06年12月6號? ?一種具有阻撓癌癥能力的縮短細胞壽命的關鍵酶目前被人們和體重聯繫到了一起。
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