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- Like eukaryotes, but unlike bacteria, they have introns in their transfer RNA, but like bacteria they have polycistronic operons (gene regulators). 像真核生物而不像细菌，转运RNA中含有内含子，还有细菌不具备的多顺反子的操纵子（基因的调控子）。
- rna polycistronic operon 多顺反子操纵子
- polycistronic operon 多顺反子操纵子
- 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。
- 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。
- It is highly likely each of the rice snoRN A gene clusters identifiedhere is transcribed in polycistronic wa y . 对这些水稻 box C/D snoRNA 基因簇表达的研究发现 ， 同一个基因簇中的 box C/D snoRNA 首先转录成为一个多顺反子的 RNA 前体 ， 然后成熟 的 box C/D snoRNA从这个前体 RNA 中被加工释放出来 。
- All of the genes necessary for the lytic cycle are expressed in polycistronic transcripts from three promoters. 编码噬菌体结构成分的基因则排列为簇。裂解周期所需要的基因则以三个启动子起以多顺反子转录的形式表达。
- 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 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。
- Finally, prokaryotic mRNAs are often polycistronic, containing the amino-acid coding information for more than one gene. 原核生物的mRNA多为多顺反子，包含多个基因的氨基酸编码信息；
- 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。
- 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;
- 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。
- Operon control of the important features of the double check: It can prevent transcription, but also to identify small molecule-induced. 操纵子控制的重要特性是阻遏物的双重性：它既能阻止转录，又能识别小分子诱导物。
- What consequences would a mutation in the catabolite activator protein (CAP) gene of E. coli have for the expression of a wild-type lac operon? 大肠杆菌的代谢激活蛋白（CAP）基因突变会对野生型的乳糖操纵元的表达产生怎样的影响结果？
- A group of related and closely linked structural genes, together with the operator gene that controls their expression are collectively called an operon. 一组相关的、紧密连锁的结构基因加上控制其表现的操纵基因，统称操纵子。
