螺旋扭轉 (IMAGE) City University of Hong Kong Caption 圖中顯示改變螺旋扭轉會影響基因表達。增加DNA的扭轉角度會抑制基因表達,相反,減少DNA的扭轉數量則會促進基因表達。 Credit 代亮博士 Usage Restrictions Image must be used with appropriate caption and credit. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.