棉蚜适应新寄主的开关找到了——中国农科院棉花所揭示DNA甲基化重编程机制

window.DATA = {"url":"https://view.inews.qq.com/a/20260803A032SA00","article_id":"20260803A032SA00","atype":"0","article_type":"0","title":"棉蚜适应新寄主的“开关”找到了","desc":"近日，中国农业科学院棉花研究所棉花虫害防控与生物安全创新团队研究发现棉蚜通过DNA甲基化重编程，实现从解毒生存到建立种群的时序性适应策略。相关研究成果发表在《前沿研究杂志（Journal of Advanced Research）》上。棉蚜是世界性重大害虫，寄主范围广泛，并在长期进化中形成了寄主专化型现象，不同专化型对其寄主表现...","iNewsRecommendLevel":1,"abstract":"近日，中国农业科学院棉花研究所棉花虫害防控与生物安全创新团队研究发现棉蚜通过DNA甲基化重编程，实现从解毒生存到建立种群的时序性适应策略。相关研究成果发表在《前沿研究杂志（Journal of Advanced Research）》上。棉蚜是世界性重大害虫，寄主范围广泛，并在长期进化中形成了寄主专化型现象，不同专化型对其寄主表现...","catalog1":"agriculture","ad_channel_sign":"news","introduction":"","media":"中国农业科学院","media_id":"20124819","pubtime":"2026-08-03 09:29:54","comment_id":"1260803604805338","political":0,"cmsId":"20260803A032SA00","cms_id":"20260803A032SA00","closeAllAd":0,"closeAllFavorite":false,"originContent":{"directory":{"enable":2},"text":"\u003cdiv class="rich_media_content"\u003e\u003c!--NO_AD_ERROR_2--\u003e\u003csection data-nest-level="2" data-pm-slice="0 0 []" style="box-sizing: border-box; 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display: inline-block; flex: 0 0 0%; height: auto; vertical-align: bottom; width: auto"\u003e\u003csection data-nest-level="8" style="-moz-transform: perspective(0px); -o-transform: perspective(0px); -webkit-transform: perspective(0px); box-sizing: border-box; transform: perspective(0px); transform-style: flat"\u003e\u003csection data-nest-level="9" style="-moz-transform: rotateX(180deg); -o-transform: rotateX(180deg); -webkit-transform: rotateX(180deg); box-sizing: border-box; margin: 0px; text-align: center; transform: rotateX(180deg)"\u003e\u003csection data-nest-level="10" style="background-color: rgb(28, 136, 136); box-sizing: border-box; display: inline-block; height: 16px; overflow: hidden; vertical-align: top; width: 3px"\u003e\u003csvg data-nest-level="11" style="float: left; line-height: 0; vertical-align: top; width: 0" viewBox="0 0 1 1"\u003e\u003c/svg\u003e\u003c/section\u003e\u003c/section\u003e\u003c/section\u003e\u003c/section\u003e\u003csection data-nest-level="7" style="align-self: flex-end; border-bottom: 1px solid rgb(28, 136, 136); border-bottom-right-radius: 0px; box-sizing: border-box; display: inline-block; flex: 0 0 auto; height: auto; margin: 0px; padding: 4px 4px 4px 11px; vertical-align: bottom; width: 100px"\u003e\u003csection data-nest-level="8" style="box-sizing: border-box; text-align: justify"\u003e\u003cp data-nest-level="9" style="box-sizing: border-box; margin: 0px; padding: 0px; white-space: normal"\u003e\u003cspan data-nest-level="10" leaf=""\u003e\u003cbr/\u003e\u003c/span\u003e\u003c/p\u003e\u003c/section\u003e\u003c/section\u003e\u003c/section\u003e\u003c/section\u003e\u003csection data-nest-level="5"\u003e\u003cp data-nest-level="6"\u003e\u003cspan data-pm-slice="0 0 []"\u003e\u003cspan data-pm-slice="0 0 []"\u003e\u003cspan data-pm-slice="0 0 []"\u003e\u003cspan leaf="" style="color: rgba(0, 0, 0, 0.9); font-size: 17px; font-style: normal; font-weight: normal; letter-spacing: 0.034em; line-height: 1.6"\u003e近日，中国农业科学院\u003c/span\u003e\u003c/span\u003e\u003cspan leaf="" style="color: rgba(0, 0, 0, 0.9); font-size: 17px; font-style: normal; font-weight: normal; letter-spacing: 0.034em; line-height: 1.6"\u003e棉花研究所\u003c/span\u003e\u003cspan leaf="" style="color: rgba(0, 0, 0, 0.9); font-size: 17px; font-style: normal; font-weight: normal; letter-spacing: 0.034em; line-height: 1.6"\u003e棉花虫害防控与生物安全创新团队研究发现棉蚜通过DNA甲基化重编程，实现从解毒生存到建立种群的时序性适应策略。相关研究成果发表在\u003cspan style="color: rgb(4, 102, 141); font-weight: bold" textstyle=""\u003e《前沿研究杂志（Journal of Advanced Research）》\u003c/span\u003e上。\u003c/span\u003e\u003c/span\u003e\u003c/span\u003e\u003c/p\u003e\u003c/section\u003e\u003csection data-nest-level="5" style="box-sizing: border-box; display: flex; flex-flow: row; justify-content: flex-start; margin: 0px"\u003e\u003csection data-nest-level="6" style="align-self: flex-end; box-sizing: border-box; display: inline-block; flex: 0 0 0%; height: auto; margin: 0px 4px 0px 0px; vertical-align: bottom; width: auto"\u003e\u003csection data-nest-level="7" style="-moz-transform: perspective(0px); -o-transform: perspective(0px); -webkit-transform: perspective(0px); box-sizing: border-box; transform: perspective(0px); transform-style: flat"\u003e\u003csection data-nest-level="8" style="-moz-transform: rotateX(180deg); -o-transform: rotateX(180deg); -webkit-transform: rotateX(180deg); box-sizing: border-box; text-align: center; transform: rotateX(180deg)"\u003e\u003csection data-nest-level="9" style="background-color: rgb(28, 136, 136); box-sizing: border-box; display: inline-block; height: 10px; overflow: hidden; vertical-align: top; width: 3px"\u003e\u003csvg data-nest-level="10" style="float: left; line-height: 0; vertical-align: top; width: 0" viewBox="0 0 1 1"\u003e\u003c/svg\u003e\u003c/section\u003e\u003c/section\u003e\u003c/section\u003e\u003c/section\u003e\u003csection data-nest-level="6" style="align-self: flex-end; box-sizing: border-box; display: inline-block; flex: 0 0 0%; height: auto; vertical-align: bottom; width: auto"\u003e\u003csection data-nest-level="7" style="-moz-transform: perspective(0px); -o-transform: perspective(0px); -webkit-transform: perspective(0px); box-sizing: border-box; transform: perspective(0px); transform-style: flat"\u003e\u003csection data-nest-level="8" style="-moz-transform: rotateX(180deg); -o-transform: rotateX(180deg); -webkit-transform: rotateX(180deg); box-sizing: border-box; margin: 0px; text-align: center; transform: rotateX(180deg)"\u003e\u003csection data-nest-level="9" style="background-color: rgb(28, 136, 136); box-sizing: border-box; display: inline-block; height: 16px; overflow: hidden; vertical-align: top; width: 3px"\u003e\u003csvg data-nest-level="10" style="float: left; line-height: 0; vertical-align: top; width: 0" viewBox="0 0 1 1"\u003e\u003c/svg\u003e\u003c/section\u003e\u003c/section\u003e\u003c/section\u003e\u003c/section\u003e\u003csection data-nest-level="6" style="align-self: flex-end; border-bottom: 1px solid rgb(28, 136, 136); border-bottom-right-radius: 0px; box-sizing: border-box; display: inline-block; flex: 0 0 auto; height: auto; margin: 0px; padding: 4px 4px 4px 11px; vertical-align: bottom; width: 100px"\u003e\u003csection data-nest-level="7" style="box-sizing: border-box; text-align: justify"\u003e\u003cp data-nest-level="8" style="box-sizing: border-box; margin: 0px; padding: 0px; white-space: normal"\u003e\u003cspan data-nest-level="9" leaf=""\u003e\u003cbr/\u003e\u003c/span\u003e\u003c/p\u003e\u003c/section\u003e\u003c/section\u003e\u003c/section\u003e\u003c/section\u003e\u003c/section\u003e\u003csection nodeleaf="" style="margin-bottom: 8px; margin-top: 8px; text-align: center"\u003e\u003c!--IMG_0--\u003e\u003c/section\u003e\u003cp data-pm-slice="0 0 []" style="margin-bottom: 8px"\u003e\u003cspan leaf="" style="color: rgba(0, 0, 0, 0.9); font-size: 17px; font-style: normal; font-weight: normal; letter-spacing: 0.034em; line-height: 1.6"\u003e棉蚜是世界性重大害虫，寄主范围广泛，并在长期进化中形成了寄主专化型现象，不同专化型对其寄主表现出高度适应性。棉蚜如何跨越屏障完成新寄主适应的分子机制尚不清楚。\u003c/span\u003e\u003c!--NO_AD_0--\u003e\u003c!--EOP_0--\u003e\u003c/p\u003e\u003c!--PARAGRAPH_0--\u003e\u003cp style="margin-bottom: 8px"\u003e\u003cspan leaf="" style="color: rgba(0, 0, 0, 0.9); font-size: 17px; font-style: normal; font-weight: normal; letter-spacing: 0.034em; line-height: 1.6"\u003e该研究构建了棉蚜寄主转换的动态表观遗传图谱，发现棉蚜在适应新寄主过程中，全基因组DNA甲基化水平呈先升后降趋势，核心调控因子发挥表观遗传开关作用。进一步研究发现，该核心调控因子在早期优先激活棉蚜解毒基因，帮助棉蚜克服新寄主的化学防御，随后激活繁殖基因保障棉蚜种群建立。该成果为开发棉蚜新型绿色防控技术与可持续害虫管理提供了理论支撑。\u003c/span\u003e\u003c!--NO_AD_1--\u003e\u003c!--EOP_1--\u003e\u003c/p\u003e\u003c!--PARAGRAPH_1--\u003e\u003cp style="margin-bottom: 8px"\u003e\u003cspan leaf="" style="color: rgba(0, 0, 0, 0.9); font-size: 17px; font-style: normal; font-weight: normal; letter-spacing: 0.034em; line-height: 1.6"\u003e该研究得到河南省自然科学基金、国家重点研发计划等项目支持。\u003c/span\u003e\u003c/p\u003e\u003csection class="js_darkmode__9" data-nest-level="3" data-pm-slice="1 3 []" data-style="margin-right: 8px; margin-bottom: 8px; margin-left: 8px; outline: 0px; font-family: system-ui, -apple-system, BlinkMacSystemFont, \u0026#34;Helvetica Neue\u0026#34;, \u0026#34;PingFang SC\u0026#34;, \u0026#34;Hiragino Sans GB\u0026#34;, \u0026#34;Microsoft YaHei UI\u0026#34;, \u0026#34;Microsoft YaHei\u0026#34;, Arial, sans-serif; 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text-decoration-style: initial; text-indent: 0px; text-transform: none; visibility: visible; white-space: normal; widows: 2; word-spacing: 0px"\u003e\u003cspan class="js_darkmode__12" data-nest-level="4" leaf="" style="-webkit-tap-highlight-color: transparent; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); box-sizing: border-box !important; color: rgba(0, 0, 0, 0.9); flex-direction: column; font-size: 17px; font-style: normal; font-variant-caps: normal; font-variant-ligatures: normal; font-weight: normal; letter-spacing: 0.034em; line-height: 1.6; margin: 0px; max-width: none !important; orphans: 2; outline: 0px; overflow-wrap: break-word !important; padding: 0px; text-align: center; text-decoration-color: initial; text-decoration-style: initial; text-decoration-thickness: initial; text-indent: 0px; text-transform: none; visibility: visible; widows: 2; word-spacing: 0px"\u003e\u003cspan style="color: rgb(136, 136, 136); font-size: 15px" textstyle=""\u003e来源\u003c/span\u003e\u003c/span\u003e\u003cspan class="js_darkmode__13" data-nest-level="4" leaf="" style="-webkit-tap-highlight-color: transparent; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); box-sizing: border-box !important; color: rgba(0, 0, 0, 0.9); flex-direction: column; font-size: 17px; font-style: normal; font-variant-caps: normal; font-variant-ligatures: normal; font-weight: normal; letter-spacing: 0.034em; line-height: 1.6; margin: 0px; max-width: none !important; orphans: 2; outline: 0px; overflow-wrap: break-word !important; padding: 0px; text-align: center; text-decoration-color: initial; text-decoration-style: initial; text-decoration-thickness: initial; text-indent: 0px; text-transform: none; visibility: visible; widows: 2; word-spacing: 0px"\u003e\u003cspan style="color: rgb(136, 136, 136); font-size: 15px" textstyle=""\u003e丨棉花所\u003c/span\u003e\u003c/span\u003e\u003cspan data-nest-level="4" data-pm-slice="0 0 []"\u003e\u003cspan data-nest-level="5" leaf="" style="-webkit-tap-highlight-color: transparent; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); box-sizing: border-box !important; color: rgba(0, 0, 0, 0.9); flex-direction: column; font-size: 17px; font-style: normal; font-variant-caps: normal; font-variant-ligatures: normal; font-weight: normal; letter-spacing: 0.034em; line-height: 1.6; margin: 0px; max-width: none !important; orphans: 2; outline: 0px; overflow-wrap: break-word !important; padding: 0px; text-align: center; text-decoration-color: initial; text-decoration-style: initial; text-decoration-thickness: initial; text-indent: 0px; text-transform: none; visibility: visible; widows: 2; word-spacing: 0px"\u003e\u003cbr/\u003e\u003c/span\u003e\u003c/span\u003e\u003c/section\u003e\u003csection class="js_darkmode__11" data-nest-level="3" data-pm-slice="0 0 []" style="-webkit-tap-highlight-color: transparent; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); box-sizing: border-box !important; color: rgba(0, 0, 0, 0.9); font-size: 17px; font-style: normal; font-variant-caps: normal; font-variant-ligatures: normal; font-weight: 400; letter-spacing: 0.544px; margin: 0px; max-width: 100%; orphans: 2; outline: 0px; overflow-wrap: break-word !important; padding: 0px; text-align: center; text-decoration-color: initial; text-decoration-style: initial; text-indent: 0px; text-transform: none; visibility: visible; white-space: normal; widows: 2; word-spacing: 0px"\u003e\u003cspan leaf="" style="-webkit-tap-highlight-color: transparent; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); box-sizing: border-box !important; color: rgba(0, 0, 0, 0.9); flex-direction: column; font-size: 17px; font-style: normal; font-variant-caps: normal; font-variant-ligatures: normal; font-weight: normal; letter-spacing: 0.034em; line-height: 1.6; margin: 0px; max-width: none !important; orphans: 2; outline: 0px; overflow-wrap: break-word !important; padding: 0px; text-align: center; text-decoration-color: initial; text-decoration-style: initial; text-decoration-thickness: initial; text-indent: 0px; text-transform: none; visibility: visible; widows: 2; word-spacing: 0px"\u003e\u003cspan style="color: rgb(136, 136, 136); font-size: 15px" textstyle=""\u003e作者丨\u003c/span\u003e\u003c/span\u003e\u003cspan data-pm-slice="0 0 []"\u003e\u003cspan leaf="" style="-webkit-tap-highlight-color: transparent; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); box-sizing: border-box !important; color: rgba(0, 0, 0, 0.9); flex-direction: column; font-size: 17px; font-style: normal; font-variant-caps: normal; font-variant-ligatures: normal; font-weight: normal; letter-spacing: 0.034em; line-height: 1.6; margin: 0px; max-width: none !important; orphans: 2; outline: 0px; overflow-wrap: break-word !important; padding: 0px; text-align: center; text-decoration-color: initial; text-decoration-style: initial; text-decoration-thickness: initial; text-indent: 0px; text-transform: none; visibility: visible; widows: 2; word-spacing: 0px"\u003e\u003cspan style="color: rgb(136, 136, 136); font-size: 15px" textstyle=""\u003e高雪珂\u003c/span\u003e\u003c/span\u003e\u003c/span\u003e\u003c/section\u003e\u003csection class="js_darkmode__11" data-nest-level="3" data-pm-slice="0 0 []" style="-webkit-tap-highlight-color: transparent; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); box-sizing: border-box !important; color: rgba(0, 0, 0, 0.9); font-size: 17px; font-style: normal; font-variant-caps: normal; font-variant-ligatures: normal; font-weight: 400; letter-spacing: 0.544px; margin: 0px; max-width: 100%; orphans: 2; outline: 0px; overflow-wrap: break-word !important; padding: 0px; text-align: center; text-decoration-color: initial; text-decoration-style: initial; text-indent: 0px; text-transform: none; visibility: visible; white-space: normal; widows: 2; word-spacing: 0px"\u003e\u003cspan leaf="" style="-webkit-tap-highlight-color: transparent; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); box-sizing: border-box !important; color: rgba(0, 0, 0, 0.9); flex-direction: column; font-size: 17px; font-style: normal; font-variant-caps: normal; font-variant-ligatures: normal; font-weight: normal; letter-spacing: 0.034em; line-height: 1.6; margin: 0px; max-width: none !important; orphans: 2; outline: 0px; overflow-wrap: break-word !important; padding: 0px; text-align: center; text-decoration-color: initial; text-decoration-style: initial; text-decoration-thickness: initial; text-indent: 0px; text-transform: none; visibility: visible; widows: 2; word-spacing: 0px"\u003e\u003cspan style="color: rgb(136, 136, 136); font-size: 15px" textstyle=""\u003e通讯员丨梁冰\u003c/span\u003e\u003c/span\u003e\u003cspan data-pm-slice="1 1 [\u0026#34;para\u0026#34;,{\u0026#34;tagName\u0026#34;:\u0026#34;section\u0026#34;,\u0026#34;attributes\u0026#34;:{\u0026#34;style\u0026#34;:\u0026#34;box-sizing: border-box;font-style: normal;font-weight: 400;text-align: justify;font-size: 16px;colo
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