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生物合成

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A novel endocyclic enamine cyclopentenone annulation was discovered and rationalized as an unusual Nazarov-type electrocyclization, which would have broad applications in the synthesis of natural alkaloids and other heterocycles.

我们在合成路线一、路线二中用的6-6元环系到7-5元环系的还原重排反应,在温和的酸性还原条件下即能发生,这说明在三尖杉碱的生物合成中6-6元环到7-5元环的还原重排步骤是非常有可能发生的;因此,我们的合成路线二中可认为是生物合成过程。

In this paper,the progress,especially combining gene engineering of mutational biosynthesis is reviewed.

本文综述了突变生物合成技术在微生物药物领域的应用,特别是结合基因技术进行突变生物合成研究的新进展。

The effect of a Lactobacillus casein mutant correlated conditions of immobilization on the biosynthesis of CLA was studied.

关于一株干酪乳杆菌突变株的固定化相关条件对共轭亚油酸生物合成的影响进行了研究,得出了最佳培养条件,从而提高了共轭亚油酸生物合成的产量。

Pheromone traps; sex pheromone; anemotaxis; lures; disparlure; integrated control; attractants; chemical senses; chemoreception; chemoreceptors; infochemicals; semiochemicals; chemical stimuli; chemical communication; chemical cues; chemical perception; pheromones; pheromone receptors; pheromone biosynthesis-activating neuropeptide; pheromone biosynthesis; pheromone-binding protein; PBAN

信息素诱骗;性信息素趋风性;诱惑;舞毒蛾性引诱剂;综合防治;引诱剂;化学知觉;化学感受;化学接受体;信息化学;化学信息素;化学刺激物;化学通讯;化学因子;化学感觉;信息素;信息素受体;信息素生物合成-激活神经肽;信息素生物合成;信息素-结合蛋白;PBAN

Sequence analysis and function of the genes were carried out.

一方面,利用已知的尼可霉素生物合成相关基因的DNA片段为探针,从圈卷产色链霉菌的cosmid文库中克隆出6个与尼可霉素生物合成相关的基因,并进行了基因的序列分析和功能研究。

In order to understand the biosynthesis and origin of the luciferin,the paper will summarize both historical and recent data on the structure?property and the biosy...

为了更清楚的认识荧光素在体内的生物合成与起源问题,本文对几种主要荧光素的结构性质和有关其生物合成研究的最新报道进行综述。

Based on the study of factors of ATP biosynthesis in Saccharomyces cerevisiae WSH2, the mechanism of ATP biosynthesis was investigated.

在对面包酵母生物合成ATP的影响因素研究的基础上,初步探讨了生物合成ATP的反应机理。

The biotechnology production efficiency of crocin II, which has anti-cancer activity, was improved in a solid-liquid two-step cell culture in which the callus cells obtained from the solid medium were transferred to the liquid medium.

为提高现代生物技术生产藏红花素的产率和效率,该研究采取固液两步培养法将在固体培养基中获得的藏红花愈伤组织转移到液体培养基中进行生物合成,结果显示生物反应器比摇瓶培养更有利于生物量的积累,也更有利于2号藏红花素的合成。

In plant,the enzymes of RFO,such as galactinol synthase,myo inositol-1-phosphate synthase, raffinose synthase and stachyose synthase,are linked with the RFO pathw.

寡糖代谢是一个复杂的调控体系,其中肌醇-1-磷酸合成酶、肌醇半乳糖苷合成酶、蔗糖合成酶、棉子糖合成酶、水苏糖合成酶和毛蕊花糖合成酶等参与了棉子糖系列寡糖的生物合成过程。

Different contribution of the genes to starch biosynthesisLeaves and developing endosperms of Q319, C7-2, q404, ZN-A and S8 were used to study the expression patterns of 44 genes participating in starch synthesis. We found that ZmGBSSⅠ、ZmSSⅢ、ZmSBEⅡb、ZmBT2-2、ZmSh2-2、ZmSh2-3、ZmBT1 were expressed exclusively in the metaphase and anaphase of developing endosperm, and the expression patterns of ZmSUS1、ZmSus1L、ZmSUS3、ZmSSⅠ、ZmSSⅡa、ZmSBEⅠ、ZmISO1、ZmPul were consistent with the process of starch synthesis in the endosperm, while ZmUGP3 and ZmSUT2 were highly-expressed in all samples, suggesting that these genes perhaps devoted to starch synthesis in endosperm.

淀粉生物合成基因的不同贡献以Q319、C7-2、q404、ZN-A和S8自交系的幼叶、成熟叶、成熟子房、授粉后1d、5d、10d的种子和15d、20d、25d的胚乳为材料,研究了参与淀粉合成的44个基因的表达模式,研究发现ZmGBSSⅠ、ZmSSⅢ、ZmSBEⅡb、ZmBT2-2、ZmSh2-2、ZmSh2-3、ZmBT1在胚乳发育中后期特异性表达,ZmSUS1、ZmSus1L、ZmSUS3、ZmSSⅠ、ZmSSⅡa、ZmSBEⅠ、ZmISO1、ZmPul的表达在淀粉合成期显著上调,ZmUGP3和ZmSUT2在所有组织中高水平表达,说明这些基因可能主要负责胚乳淀粉的生物合成

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On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面,更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值,分为几个相等的区间作为横轴,并将各区间内所测定值依所出现的次数累积而成的面积,用柱子排起来的图形,也叫做柱状图。

You rap, you know we are not so good at rapping, huh?

你唱吧,你也知道我们并不那么擅长说唱,对吧?