核糖开关,riboswitch
1)riboswitch核糖开关
1.The riboswitches play important roles in translation initiation and alternative splicing by switching between two mutually exclusive structures .核糖开关通过结合特定代谢分子在2种结构状态下切换,调控可变剪接和翻译起始。
2.Recently, it was found that special RNA motifs were imbedded within the 5′UTR of certain metabolic gene transcripts, called as “riboswitch”.最近发现 ,某些依赖代谢物调节的基因转录产物的 5′UTR存在特征性结构———核糖开关(riboswitch) 。
3.This paper mainly introduces the types,structural characteristics of riboswitches,and the mechanism of adenine riboswitch,as well as the mechanism of thiamine pyrophosphate riboswitch.核糖开关是最近发现的一种新的基因表达调控机制,核糖开关位于mRNA非翻译区,能不借助任何蛋白质直接结合小分子代谢物,在转录水平或翻译水平上调控基因表达。
英文短句/例句

1.Riboswitch:a gene expression regulatory element核糖开关——一种基因表达调控元件
2.Riboswitches sense the Second Messenger Cyclic di-GMP in Pathogenic Bacteria病原细菌第二信使c-di-GMP核糖开关的鉴别
3.Updated Relationship Between MicroRNA and Reproduction微小核糖核酸与生殖关系的研究进展
4.THE BREEDING OF D-RIBOSE-PRODUCING BACTERIUM--STUDIES ON THE RELATION OF D-GLUCOSE DEHYDEROGENASE AND PRODUCTION OF D-RIBOSE;D-核糖生产菌株的选育——D-葡萄糖脱氢酶与D-核糖产量关系的研究
5.Roles of microRNA in the Development of Related Diseases微核糖核酸在相关疾病发生发展中的调节作用
6.Research Advances of Nucleotide Sugar Interconversion Genes in Arabidopsis thaliana拟南芥核苷糖转换相关基因研究进展
7.Clinical research of heterogeneous nuclear ribonucleoprotein (hnRNP) A2 in RA and comparison with imported Anti-RA33 antibody reagent box异质性胞核核糖核蛋白A2在类风湿关节炎诊断中的临床意义
8.deoxyribonucleic acid-dependent ribonucleic acid polymerase依赖脱氧核糖核酸的核糖核酸聚合酶
9.small nuclear ribonucleoprotein核内小核糖核蛋白质
10.Understanding the D-N-A molecule has opened up new areas of research.了解脱氧核糖核酸的分子结构开辟了一个研究的新领域,
11.Analysis of the correlation of T lymphocyte subgroups with blood sugar in patients with pulmonary tuberculosis(TB) accompanied by Type 2 diabetes mellitus(T2DM)肺结核合并糖尿病患者的T细胞亚群与血糖水平的相关分析
12.CORRELATION ANALYSIS ON THE CLINICAL MANIFESTATION OF IMPACT OF TYPE 2 DIABETES COMBINED WITH PULMONARY TUBERCULOSIS2型糖尿病并发肺结核的临床特征相关分析
13.DNA and RNA are both types of nucleic acid.脱氧核糖核酸和核糖核酸是两种类型的核酸。
14.Study on the Nucleic Acids Molecular "Light Switches" and the Novel Methods for DNA Determination;核酸分子“光开关”及核酸光谱分析新方法研究
15.The Expression of Collagen Ⅰ and Ⅲ、Biglycan and Decorin in the Hip Capsule and Ligamentum Teres of the Patients with Developmental Dysplasia of the Hip(DDH);Ⅰ、Ⅲ型胶原,双糖链蛋白多糖和核心蛋白聚糖在发育性髋脱位关节囊及圆韧带的表达
16.ADP ribosylation factorADP核糖基化因子
17.fibrous deoxyribonucleic acid纤维状脱氧核糖核酸
18.feline picornavirus猫细小核糖核酸病毒
相关短句/例句

ribosome associated protein核糖体相关蛋白
3)nucleic acid molecular"light switches"核酸分子"光开关"
4)Ribose[英]['raib?us][美]['ra?bos]核糖
1.Some evidences for ribose as the reactive flavor precursor of dry-cured meat products;核糖作为干腌肉制品中具有反应活性的风味前体物的几点证据
2.Synthesis of paracetamol derivative modified with ribose扑热息痛核糖修饰衍生物的合成
3.As an adenine nucleotide precursor, ribose is the primary material used by the heart and muscle cells via de novo synthesis pathway and salvage pathway.核糖是合成ATP的起始分子,是核酸的重要组成部分。
5)ribosyl-ribitol核糖-核糖醇
1.The first part deals with the synthesis of the ribosyl-ribitol intermediate, which is the most important part in the whole synthesis of the Hib vaccines.本文设计并合成了Hib疫苗中间体核糖-核糖醇以及2′,3′-脱氢-2′,3′-脱氧-4′-螺环修饰核苷自由基前体: 1-[5′-(氮-2-溴烯丙基-氮-叔丁氧羰基)胺基-2′,3′-脱氢-2′,3′-脱氧-β-D-呋喃核糖基] -3-苄基胸腺嘧啶, 1-[5′-(氧-2-溴烯丙基)-2′,3′-脱氢-2′,3′-脱氧-β-D-呋喃核糖基]胸腺嘧啶,并对它们进行了LC-MS和1H NMR等结构表征。
6)pentose ribose戊糖核糖
延伸阅读

AC-DC-AC-DC型开关稳压电路AC-DC-AC-DC型开关稳压电路AC-DC-AC-DC type switching voltage stabilizing circuits  对小功率的AC一DC一AC一IK!型稳压电路,可省去图中的集成驱动器,由集成控制器直接驱动。AC一DC一AC一】兀型稳压电路组成的开关电源及模块,广泛应用于通信和其他电子设备中作为一次电源用。AC DC ACDCx一rlg伙019七Jo了1 wenyod旧z〕JLJAC一OC一AC一OC型开关稳压电路(AC一DC一AC一IX二type switehing voltage stabilizingcircuits)将交流电压通过整流滤波电路及DC一〔X)开关变换器,并借助反馈环节得到稳定直流输出电压的开关型稳压电路。其原理方框图如图所示。图中输人和输出端都加有噪声溥波器。电容滤波的全波整流电路中,开机时有一大的充电电流流过整流管。为了削弱该冲击电流,在AC一DC一AC一IX{型稳压电路中加人软起动电路。又因电容滤波的整流电路中电流失真很大,使功率因数很低。为了提高功率因数,通常采用功率因数校正技术。90年代以前,采用无源校正技术,只能对基波进行相移补偿或抑制某些指定的谐波。实际应用中,还受到体积、质量、价格等因素的限制。9。年代普遍采用高频有源功率因数校正技术。图中的有源功率因数校正电路实质上是一种升压式有源功率因数校正(b oost一PFC)电路(见DC一DC型开关稳压电路)。它可将稳压电路的输入电流波形变换为与输入电网电压同相位的正弦波,变换效率可大于98%。这样,可以降低线路损耗,节约能源,减小电网的谐波污染。┌───┐ ┌────┐┌─────────┐┌──┐│NF │ ┌───┐│ pFC ││ OC~O(: ││ 哪││,噪声│ │_整流 ││功率因数││ 变换器 ││噪声││健波 │ └───┘│ 校正 ││(含高频整流及滤波)││滤波││ │ │ │└─────────┘│ │└───┘ └────┘ └──┘ ┌─────┐ │ SS │ ┌─────┐ │软起动 │ │集成驱动器│ │ │ └─────┘ └─────┘ ┌─────┐ │集成控制器│ └─────┘ AC一1)C一AC一1)C型开关稳压电路原理方框图