微量元素作为动物的必需营养素，不仅在新陈代谢过程中起着十分重要的作用，而且在一定程度上影响动物基因表达的调控。综述了微量元素对基因表达调控的主要方式、调控功能以及铁、锌、硒、铅、钴等元素对部分基因表达的主要影响。

As animal’s essential nutrients， trace elements play a very important role not only as substrates，coenzyme or cofactors during the process of metabolism，but also as an influence on many gene expressions . In recent years， the studies of trace elements in the regulation of gene expression are more and deeper . In this article， the main way and the regulation function of trace elements in regulation of gene expression， and the main influence of some trace elements on the gene expression are reviewed .

Q344.13

甘肃省农业科学院农业科技创新专项“季节性变化对欧拉羊瘤胃发酵及其瘤胃微生物酶活影响的研究”(2012GAAS15-21)部分内容