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- arabinose operon 阿拉伯糖操纵子
- Objective To clone and express the Trp operon gene of E. 目的克隆并表达大肠杆菌色氨酸操纵子基因,提高其酶活性。
- Xylans are heteropolymers consisting principally of xylose and arabinose. 木聚糖是一种异质多糖,主要由木糖和阿拉伯糖组成。
- The amounts of arabinose and galactose took up over 80%of the polysaccarides. 而半乳糖和阿拉伯糖在游离多糖和复合多糖中均占80%25以上。
- When the second operon with OC mutation, it will continue to express. 当第二个操纵子带有OC突变时，它将持续表达。
- In this paper,the Monod lactose operon modelis described as a computer program by BASIC language. 本文用BASIC语言设计Monod操纵子数学模型的电子计算机程序。
- The most important representatives of monosacchrides are glucose, arabinose, galactose, mannose, ribose, and fructose. 最有代表性的单糖是葡萄糖、阿拉伯糖、半乳糖、甘露糖、核糖和果糖。
- Six kinds of saccarides,i.e.rhamnose,xylose,arabinose,mannose,glucose and galactose were detected. 其中包含了6种糖类：鼠李糖、木糖、阿拉伯糖、葡萄糖、半乳糖和甘露糖；
- The lac operon is an inducible operon, whereas the trp operon is a repressible operon. 乳糖操纵元是可诱导的操纵元；色氨酸操纵元是可阻遏的操纵元。
- Glucose blocks induction of the lac operon by utilizing a positive control mechanism. 葡萄糖通过正调控机制阻止乳糖操纵元的诱导。
- Using a modified random arbitrarily primed PCR approach, the operon encoding the Enterococcus faecal ... 用改进的随机随机引物PCR的方法，操纵子编码的肠球菌粪便 ...
- Consequently, if glucose is present in the medium, it is redundant to induce the lac operon. 因此，如果培养基中存在葡萄糖，诱导乳糖操纵元的打开就是多余的。
- Results Arabinose, fucose, mannose, glucose and galactose were found to be in the molar radio of 0.32: 0.45: 0.20: 1: 0.67 in AHP-I. 结果AHP-I含有阿拉伯糖、岩藻糖、甘露糖、葡萄糖、半乳糖，其摩尔比为：0.;32:0
- The results show the products of fermentation include glucose, arabinose, xylose, galactose and cellobiose, in which glucose is predominant. 研究表明,稻草的降解产物中含有葡萄糖、阿拉伯糖、木糖、半乳糖和纤维二糖,其中葡萄糖占总糖的比例最大。
- Operon is a unit of bacterial gene expression and regulation, including structural genes and cis-acting control elements in DNA recognized by regulator gene product(s). 控制某一代谢途径的相关基因,紧密连锁地排列在一起,受同一操纵子控制。
- A chromosomal segment of DNA that regulates the activity of the structural genes of an operon by interacting with a specific repressor. DNA中的染色体元素DNA中的染色体，它是通过与一特殊的约束因子相互作用而控制遗传子结构基因的行为
- The agr system contains divergent transcription units driven by promoters P2 and P3. The P2 operon encodes AgrA, AgrB, AgrC, AgrD. P2操纵子编码AgrA、AgrB、AgrC、AgrD;
- Studies showed that glycyrrhiza polysaccharide mainly consists of rhamnose, glucose, arabinose, galactose, but the conclusions about the main chains are different. 研究表明,甘草多糖主要由鼠李糖、葡聚糖、阿拉伯糖和半乳糖组成,但其主链结构的研究结论不尽相同。
- Results:160 OPERON primers were screened and a primer H07 was found to be useable to differentiate the three Echinacea species. 结果:共筛选随机引物160个,3种松果菊中,狭叶松果菊与淡紫松果菊的RAPD图谱极其相似,难以区分。
- Its mono-saccharide composition was identified by thin-layer chromatography and HPLC. TEP consists of rhamnose, arabinose, xylose, fucose, glucose, galactose. 经TLC和高效液相色谱(HPLC)分析金耳胞外多糖由岩藻糖、木糖、鼠李糖、阿拉伯糖、葡萄糖、半乳糖组成。
