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- tryptophan operon 色氨酸操纵子
- Methionine, Lysine, Isoleucine and Tryptophan. 蛋氨酸、赖氨酸、异亮氨酸和色氨酸。
- 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。
- Use of supplementary tryptophan to modify the behavior of pigs. 使用补充色氨酸来限制猪的行为。
- Serum tryptophan was lower in chicks fed low tryptophan diet. 血清色胺酸含量以喂饲低色胺酸饲粮者较低。
- Control subjects were given drinks that contained tryptophan. 而给另一组的饮料中含有色氨酸。
- She rates dozens of foods for their levels of tryptophan. 她对数十种食物的色氨酸水平进行了估计。
- Once in the brain, the tryptophan is converted to serotonin. 一旦进入大脑,色氨酸会被转化成血清素。
- 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。
- Milk contains 16 kinds of amino acid, methionine and the lack of tryptophan. 牛奶内含有16种氨基酸,缺乏蛋氨酸和色氨酸。
- 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。
- 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。
- IBS patients reported more gastrointestinal symptoms but less anxiety with acute tryptophan increase compared with acute tryptophan depletion. 急性色氨酸增加期和急性色氨酸缺失期比较,IBS患者胃肠道症状更多,而焦虑减少。
- 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。
- High Pressure Effects on Protein Flexibility as Monitored by Tryptophan Phosphorescence. 由色氨酸磷光监控的高压对蛋白质弹性的影响。
- 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 essential amino acids are leucine, isoleucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine. 必需氨基酸包括亮氨酸、异亮氨酸、赖氨酸、蛋氨酸、苯丙氨酸、苏氨酸、色氨酸和缬氨酸。