upstream element meaning in Chinese

上游因子

The structure of the seed - specific promoter matches the characteristics of the promoter , having a basal promoter , initiator and upstream element
种子特异性启动子的结构符合类启动子的特点，具有基本启动子、起始子和上游元件。
The characteristics of various cis - regulatory elements of plant promoters , such as tata - box , transcription start point and upstream elements , and different types of the plant promoter , such as constructive promoter , tissue - specific promoter and inducible promoter , as well as bi - direction promoter , alternative promoter and linked promoter will be described or analyzed in this present paper
并着重从组成型、组织特异型和诱导型启动子3个方面介绍了其结构特征、功能，以及它们在植物基因工程中的应用和研究进展，简述了双向启动子、可变启动子和串联启动子的研究情况，提出植物启动子研究中存在的问题与展望。