定义
<p style=" language: zh-CN; line-height: 150%; margin-top: 12.0pt; margin-bottom: 0pt; margin-left: 0in; text-align: left; direction: ltr; unicode-bidi: embed; mso-line-break-override: none; word-break: normal; punctuation-wrap: hanging;"><span style=" font-family: 微软雅黑; mso-ascii-font-family: 微软雅黑; mso-fareast-font-family: 微软雅黑; mso-bidi-font-family: +mn-cs; mso-bidi-theme-font: minor-bidi; color: black; mso-color-index: 1; mso-font-kerning: 12.0pt; language: zh-CN; mso-style-textfill-type: solid; mso-style-textfill-fill-themecolor: text1; mso-style-textfill-fill-color: black; mso-style-textfill-fill-alpha: 100.0%;"><span style=" font-size: large;">转录因子（</span></span><span style=" font-family: 微软雅黑; mso-ascii-font-family: 微软雅黑; mso-fareast-font-family: 微软雅黑; mso-bidi-font-family: +mn-cs; mso-bidi-theme-font: minor-bidi; color: black; mso-color-index: 1; mso-font-kerning: 12.0pt; language: en-US; mso-style-textfill-type: solid; mso-style-textfill-fill-themecolor: text1; mso-style-textfill-fill-color: black; mso-style-textfill-fill-alpha: 100.0%;"><span style=" font-size: large;">transcription factor</span></span><span style=" font-family: 微软雅黑; mso-ascii-font-family: 微软雅黑; mso-fareast-font-family: 微软雅黑; mso-bidi-font-family: +mn-cs; mso-bidi-theme-font: minor-bidi; color: black; mso-color-index: 1; mso-font-kerning: 12.0pt; language: zh-CN; mso-style-textfill-type: solid; mso-style-textfill-fill-themecolor: text1; mso-style-textfill-fill-color: black; mso-style-textfill-fill-alpha: 100.0%;"><span style=" font-size: large;">）：是指真核基因的转录调节蛋白，由其编码基因表达后，进入细胞核，通过<b>识别、结合特异的顺式作用元</b></span></span><span style=" font-family: 微软雅黑; mso-ascii-font-family: 微软雅黑; mso-fareast-font-family: 微软雅黑; mso-bidi-font-family: +mn-cs; mso-bidi-theme-font: minor-bidi; mso-color-index: 1; mso-font-kerning: 12.0pt; language: zh-CN; mso-style-textfill-type: solid; mso-style-textfill-fill-themecolor: text1; mso-style-textfill-fill-color: black; mso-style-textfill-fill-alpha: 100.0%;"><span style=" font-size: large;"><span style=" color: #000000;"><b>件</b></span></span></span><span style=" font-family: 微软雅黑; mso-ascii-font-family: 微软雅黑; mso-fareast-font-family: 微软雅黑; mso-bidi-font-family: +mn-cs; mso-bidi-theme-font: minor-bidi; color: black; mso-color-index: 1; mso-font-kerning: 12.0pt; language: zh-CN; mso-style-textfill-type: solid; mso-style-textfill-fill-themecolor: text1; mso-style-textfill-fill-color: black; mso-style-textfill-fill-alpha: 100.0%;"><span style=" font-size: large;">而增强或降低相应基因的表达。转录因子也被称为反式作用蛋白或反式作用因子。</span></span>
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