transcriptional gene silencing

例句：

1. 1. Transcriptional gene silencing is a mechanism that can be used to regulate gene expression in response to environmental cues.
   转录基因沉默是一种机制，可以用于响应环境信号来调控基因表达。
2. 2. In plants, this process is often associated with the development of defense mechanisms against herbivores.
   在植物中，这个过程通常与对抗食草动物的防御机制的发展有关。
3. 3.The study of transcriptional gene silencing has revealed new insights into how plants respond to stress and adapt to their environment.
   研究转录基因沉默揭示了植物如何应对压力并适应其环境的新的洞察。