查询词典 biosynthesis

Chalcone synthase (CHS, EC 2. 3.1. 74), is the first key enzyme in the biosynthesis of plant flavonoids, and the key enzyme of plant secondary metabolism. It has great influence on plant physiological function.

查尔酮合成酶(chalcone synthase，CHS，EC 2.3.1.74)，是植物类黄酮物质合成途径中的第一个酶，也是植物次生代谢途径中的关键酶之一，对植物具有非常重要的生理意义。

This article reviews the functions of VLCFAs and cuticular wax, and the recent progress in cloning and characterization of genes encoding enzymes involved in catalyzing VLCFAs and cuticular wax biosynthesis. The problems existing in researches of wax genes are also discussed.

文章就VLCFAs及角质层蜡质合成代谢途径中相关酶基因研究进展方面做了综述，并对植物蜡质基因研究中存在的问题提出一些看法。

By the catalyzed of F3H, F3'H and F3'5'H, the biosynthesis of anthocyanins branched three pathway to form pelargonidin, cyanidin and delphinidin separately. DFR, F3'H and F3'5'H are the most important genes for introducing new metabolic branches by genetic transformation to plants that lack some kinds of flower pigments.

花色素苷的生物合成主要由于F3H，F3'H和F3'5'H三个关键酶的作用形成3个分支，最终分别生成橙色到砖红色的天竺葵素糖苷，红色的矢车菊素糖苷和蓝色到紫色的飞燕草素糖苷，因此， F3'H，F3'5'H和DFR基因是利用遗传转化引入花卉植物原本缺乏的花色代谢途径的关键基因。

In this study, the complete coding sequence of N-hydroxylating cytochrome P450 (CYP79D2) gene, which catalyzing the committed enzyme in the first step in the biosynthesis of cyanogenic glucoside, was cloned by RT-PCR from cassava.

根据国际数据库中的木薯氰化物合成限速酶基因序列信息，设计特异引物，通过同源克隆法，从木薯中克隆出1626bp cDNA基因序列。

In order to explore the feature of Diarrhetic shellfish poisoningproduction and elucidate the complicate mechanism of DSP biosynthesis, production of DSP in different growth phases in Prorocentrum lima and under different nutrients conditions was investigated by ELISA.

为了解海洋底栖甲藻——利玛原甲藻的产毒特征，阐明腹泻性贝毒（Diarrhetic shellfish poisoning， DSP）复杂的生物合成机制，采用酶联免疫试剂盒，对利玛原甲藻不同生长期、不同营养盐条件下毒素生成情况进行了研究。

The prokaryotic expression system of flagellar biosynthesis genes flhA, flhB2 and fliR of Leptospira interrogans was successfully constructed.

已成功构建了问号钩端螺旋体鞭毛相关基因且flhA、flhB2和fliR原核表达系统。

Objective To clone the flagellar biosynthesis genes fihA, flhB2 and fliR of Leptospira interrogans and construct their prokaryotic expression system Methods Extract genomic DNA from Leptospira interrogans serogroup Icterohaemorrhagiae serovar Lai strain 56601 by phenol-chloroform method and amplify fihA, flhB2 and fliR gene fragments by high fidelity PCR.

目的 克隆问号钩端螺旋体鞭毛相关基因flhA、flhB2和fliR，并构建其原核表达载体。

In this review, the biosynthetic pathway of ginsenosides was introduced and the research progress on enzymes related to ginsenoside biosynthesis , such as 3-hydroxy-3-methyl-glutaryl-CoA reductase, geranyl pyrophosphate synthase, farnesyl pyrophosphate synthase, was summarized in detail.

本文综述了人参皂苷的生物合成途径，并介绍了3-羟基-3-甲基戊二酸CoA还原酶、牻牛儿基二磷酸合成酶、法尼基二磷酸合成酶等人参皂苷合成途径相关酶的研究进展。

NO.5 shared 83% homology with Rickettsiella grylli and predicted to be pyridoxal biosynthesis lyase PdxS.

通过序列筛选和功能筛选相结合的方法，对宏基因组文库进行筛选。

This article reviewed the currently commercialized herbicidal inhibitors of amino acid biosynthesis,functional mechanism and the advance in transgenic herbicide-tolerant plants.

本文综述了常用的耐氨基酸生物合成抑制剂类除草剂、作用机理及耐除草剂转基因植物的研究进展。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐