氨基酸合成

近年来的研究表明，氨酰-tRNA合成酶还具有基因表达调控、调节氨基酸合成、信号传导等方面的功能。

Recent studies show that the aminoacyl-tRNA synthetase also has functions on regulation of gene expression , regulation of amino acid synthesis , and signal transduction .

光照越强，虫草多糖、腺苷及类胡萝卜素含量越高。较弱的光照则更有利于子实体产量提高和虫草素、麦角甾醇、可溶性蛋白及游离氨基酸合成。

The stronger light , polysaccharide , adenosine , carotenoids content was higher , the weaker light is more conducive to yield increase and cordycepin , ergosterol , soluble protein and free amino acid synthesis .

SHR突触下致密小体可能与兴奋性氨基酸合成增加、谷氨酸受体激活以及兴奋性冲动增加有关。

Subsynaptic dense bodies might associate with the activity of glutamate receptors , the increase of excitatory neurotransmitter and the excitatory afferent input .

由tRNA引导的转录抗终止机制普遍存在于革兰氏阳性细菌中，调控氨酰tRNA合成酶基因和与氨基酸合成有关的酶基因的表达。

A tRNA-directed transcription antitermination mechanism is common in Gram-positive bacteria , regulating the expression of aminoacyl-tRNA synthetase and amino acid biosynthesis genes .

分支酸是芳香族氨基酸合成途径的分支点，与苯丙氨酸合成有关，双功能酶分支酸变位酶-预苯酸脱水酶（pheA基因编码）是关键酶。

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 .

在代谢工程改造氨基酸合成途径形成异丁醇的策略中，亮氨酸合成途径的α-异丙基苹果酸合酶（a-IPMS）尤为重要。

During engineering amino acid synthesis to produce isobutanol , a-isopropylmalate synthase ( a-IPMS ), which is used in pathway of leucine biosynthesis , is especially important .

环丙烷氨基酸合成研究进展

Progress in the Research of the Synthesis of Cyclopropane Amino Acids

N-取代苯甲酰氨基酸合成的新方法

A New Synthetic Method of N-Substituted Phenacyl Amino - acid

对手性α-氨基酸合成的今后发展方向做了讨论。

The developing tendency of synthesis of α - amino acids is discussed .

胶束介质中的α－氨基酸合成

Synthesis of α - amino acid in micellar media

乙酰乙酰氨基酸合成方法的改进

An Improved Synthesis of Acetoacetyl Amino Acids

由β-氨基酸合成β-内酰胺的新方法

A New Method for the Synthesis of β - Lactam Compounds from β - Amino Acids

很多代谢通路出现了差异表达，涉及到蔗糖降解、丙酮酸盐合成、乙醛酸循环、三羧酸循环、戊糖磷酸途径、莽草酸途径、脂肪酸β氧化、氨基酸合成。

Many metabolic pathways were involved in differential expression , which include sucrose degradation , synthesis of pyruvate , glyoxylae cycle , TCA cycle , pentose-phosphate pathway , shikimic acid pathway , fatty acid oxidation , and synthesis of amino acid .

该法具有原料廉价易得、每步产率高和操作简单等优点。同时，探索了由天然氨基酸合成手性离子液体a的方法。

The method has the advantages of cheap raw materials , high yields of each step and simple operation , etc. At the same time , we explored the synthesis methods of chiral ionic liquid a from natural amino acid . 3 .

根系既是吸收养分和水分的重要器官，又是多种激素、有机酸和氨基酸合成的重要场所，其生长发育与地上部的生长、产量和品质形成均有着密切的关系。

Rice root system plays a vital role in absorbing nutrients and water . It is also an important synthesis place for a variety of hormones , organic acids and amino acid . Its growth and development are closely related to the yield and quality formation .

在含尿素日粮中，提高日粮硫水平可提高NPN的利用率和使用的安全性，有利于纤维性物质的消化，促进含硫氨基酸的合成，改善肉牛氨基酸的平衡（P＜0.05）。

Supplement of sulfur to diets with urea improved ( P < . 05 ) the availability and safety of NPN , digestibility of cellulose , synthesis of sulfur-containing amino acids .

方法根据中华眼镜蛇毒Cystatin蛋白的氨基酸序列合成Cystatin基因的四个片段，通过缓慢退火PCR的方法将其拼接为完整的Cystatin基因。

Methods : The four fragments of cystatin gene of snake venom were artificially synthesized according to its amino acid sequence . Slowly annealing PCR methods were conducted to obtain the full length of cystatin gene .

乙内酰脲酶及其在氨基酸手性合成中的应用

Hydantoinases and its Applications in Chiral Synthesis of Amino Acids

光学活性双氨基酸的合成

Synthesis of Optically Active Bis - α - amino Acids

磷酰化氨基酸的合成及性质研究

Study on Synthesis and Properties of Phosphoryl Amino Acids

氯代邻羟基苄基氨基酸的合成、表征及活性研究

Synthesis , characterization and antibacterial activity of 5-chlorine-o-hydroxybenzyl-amino acids

新型荧光试剂N-9-吖啶-α-氨基酸的合成及表征

Synthesis and Characterization of New Fluorescent Agents , N-9-Acridinyl - α - amino Acids

N-取代苯氧乙酰氨基酸的合成

Synthesis of Some N-Substituted Phenoxyacetyl Amino Acids

光学活性含硅氨基酸的合成

Synthesis of Optically Active Silicon-Containing Amino Acids

氨基酸类合成高分子材料对生物体无毒，无副作用，无免疫源性，具有良好的生物相容性和亲和性。

Macromolecular materials , formed by amino acid , are non-toxic and without any side-effect but have good biological compatibility .

着重从不对称反应形成化学键的角度出发，综述了α-氨基酸不对称合成的最新进展。

Based on the asymmetric formation of chemical bond , the recent progress in the asymmetric synthesis of α - amino acids has been reviewed .

他还会多呆两年，因为他正在科大修读哲学硕士课程，研究氨基酸的合成。

He will spend at least two more years in the laboratory as an MPhil candidate in chemistry , studying the synthesis of amino acids .

简介了它们的合成方法和在金属离子分析、药物化学、生物模拟、氨基酸的合成及拆分上的应用。

The synthesis methods and application to the metal ion analysis , medicinal chemistry , biological mimicking , synthesis and resolution of amino acids are also presented .

值得注意的是，谷氨酸和半胱氨酸等含硫氨基酸的合成受镉胁迫的抑制，且耐性较弱的品种受抑制程度明显大于镉耐性较强的品种。

It was interestingly noted that Cd stress inhibited synthesis of S-containing amino acid , such as glutamic acid and cysteine , and the Cd-induced inhibition was severer in Cd-sensitive genotypes than Cd-tolerant ones .

在我的研究工作中，基于上述新型松香胺-手性硫脲双功能催化剂的合成以及高效的催化体系的建立，利用不对称合成的策略，成功地发展了多种光活非天然氨基酸的合成方法。

In my research work , encouraged by these elegant advances and the establishment of novel efficient catalytic system , a variety of new optically active non-natural amino acids had been synthesized by using asymmetric synthesis strategy .