| 1. | Plant invertase and regulation of gene expression
植物转化酶及其基因表达与调控 |
| 2. | Cardiogenesis is a very complex process that requires precise regulation of gene expression
心脏发育是一个非常复杂的过程，它需要精确的基因表达调控。 |
| 3. | Rna interference is a very important mechanism for the regulation of gene expression , participates in defense against viral infections , and keeps jumping genes under control
Rna干涉现象以一种非常明确的方式抑制了基因表达，对于基因表达的调控、病毒感染的防护、控制跳跃基因具有重要的意义。 |
| 4. | Rna interference is a very important mechanism for the regulation of gene expression , participates in defense against viral infections , and keeps jumping genes under control
摘要rna干涉现象以一种非常明确的方式抑制了基因表达，对于基因表达的调控、病毒感染的防护、控制跳跃基因具有重要的意义。 |
| 5. | Quorum sensing is the regulation of gene expression in response to fluctuations in cell - population density and allows populations of bacteria to synchronize group behaviors
群体感应( quorumsensing ， qs ，又称阈值敏感)是细菌根据种群密度大小进行细胞内或细胞间信息交流，协调群体行为并调控基因表达的一种方式。 |
| 6. | Progresses in basic research on gene network will promote the development of multi - locus directional or site - directed regulation of gene expression techniques , which may bring inovation of chinese materia medica like compatibility of western medicine into practice
当基因网络相关的基础研究达到一定深度时，就可以发展一套成熟的多位点定向或定点改变基因表达的技术，很可能研制出中药化的配伍西药。 |
| 7. | These gene products can be classified into two groups . the first group includes proteins that probably function in protecting cells from stresses . the second group of gene products contains protein factors that are involved in further regulation of gene expression and signal transduction in stress response
低温和脱水诱导大量基因的表达，基因产物可分为两大类：一类是直接保护细胞免受胁迫伤害的功能蛋白；另一类是传递信号和调控基因表达的调节蛋白。 |
| 8. | Among sequenced 16 positive clones randomly selected , two represent novel expression tag sequences , two are homologous to two unknown proteins in genbank ; the rest are homologous to known or putative proteins or enzymes with definite functions by searching the genbank through blast program , which are involved in various life activities of cell such as regulation of gene expression , plant secondary metabolism , signal transduction , adversity resistance , stress response and defense reaction . significant changes of quantities of these gene fragments were observed before and after ssh , which indicated they were enriched after ssh
随机挑选了16个差异表达的克隆进行序列测定，经与genbank数据库相关数据比较分析，发现有2个新的cdna片段( ets ) ，有12序列与genbank中已知蛋白或推测蛋白质( putativeprotein )序列有高低不同的同源性，它们参与基因的表达调控、植物的次生代谢、信号传导、抗逆、应激及防御反应等细胞生命活动过程。 |
| 9. | In transgenic tobacco plants , the transient - expression assay of the chimeric gene ( 4 x gcc - 35s min : : gus ) demonstrated that the 4 x gcc - 35smin promoter could respond to meja treatment and the gcc box is an important element in response to ja signaling . moreover , this experiment results would be meaningful to improve the crops characterization of resistance against various environment stresses or to study the regulation of gene expression in transgenic plants
（ 3 ）以反向的4xgcc重复序列（ placzi 4xgcc （ 》作为placzi4xgcc的突变体， 6半乳糖苦酶活性分析的结果表明，与野生型的相比，突变的gcc元件不能与jerfi 2 3 4相互作用， p半乳糖苦酶实验不能呈现出蓝色反应；证明gccbox与jerf 2 3 4是特异性结合。 |
