[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"item-3032":3,"related-3032":63},{"id":4,"title":5,"url":6,"summary":7,"summary_zh":8,"content":8,"source_name":9,"source_url":8,"published_at":10,"category":11,"cover_url":8,"hotness":12,"is_selected":13,"score":14,"score_detail":15,"sources":21,"tags":23,"primary_topic":29,"secondary_topics":34,"classification":35,"search_phrases":57,"slug":60,"view_count":61,"doi":8,"paper":8,"created_at":62},3032,"中国农科院基因组所超级稻种质创新团队揭示水稻器官边界建成的分子机制登The Plant Cell","https:\u002F\u002Fwww.caas.cn\u002Fxwzx\u002Fkyhd\u002F94a1ad7de45342d0b77e6c154d55e0ab.htm","中国农业科学院农业基因组研究所超级稻种质创新团队近日揭示水稻器官边界建成的分子机制，相关研究成果发表在《植物细胞》（The Plant Cell）上。研究发现水稻中存在一类转录因子，在器官边界特异表达，像\"分子开关\"调控下游功能基因，可同时调控分蘖起始、叶枕发育等多类边界发育过程，最终决定水稻分蘖数、叶片夹角等多项核心产量性状。研究完善了单子叶植物器官边界发育的基础理论，为禾本科作物的株型改良提供了基因靶标，得到国家自然科学基金、中国农业科学院科技创新工程、广东省重点领域研发计划等项目资助。",null,"中国农业科学院","2026-09-20T00:00:00Z","报道",10,true,87,{"impact":16,"substance":16,"depth":17,"authority":18,"freshness":12,"relevant":19,"comment":20},22,18,15,1,"国家级科研机构在核心期刊发表的水稻器官边界分子机制突破，为禾本科作物株型改良提供基因靶标，专业增量与权威性俱佳，值得进入每日精选。",[22],{"name":9,"url":6},[24,25,26,27,28],"水稻","种业振兴","分子育种","农业科技","株型改良",{"code":30,"slug":31,"name":24,"path":32,"parent_code":33},"A1","rice","\u002Ftopic\u002Ffield-crops\u002Frice","A",[],{"status":36,"locked":37,"version":38,"method":39,"evidence":40},"classified",false,"2026-10-22.2","rules",{"candidates":41,"agricultural_evidence":13},[42,47,52],{"code":30,"score":43,"supported":13,"title":44,"abstract":45,"tags":46},12,[24],[24],[24],{"code":48,"score":19,"supported":37,"title":49,"abstract":50,"tags":51},"F1",[],[],[25],{"code":53,"score":19,"supported":37,"title":54,"abstract":55,"tags":56},"F2",[],[],[26],[58,59],"中国农科院基因组所 水稻 器官边界","The Plant Cell 水稻 分蘖 分子机制","中国农科院基因组所水稻器官边界-3032",3,"2026-09-21T00:04:33.543357Z",{"total":64,"page":19,"page_size":64,"items":65},6,[66,102,156,195,239,283],{"id":67,"title":68,"url":69,"summary":70,"summary_zh":8,"content":71,"source_name":72,"source_url":8,"published_at":73,"category":11,"cover_url":8,"hotness":12,"is_selected":37,"score":14,"score_detail":74,"sources":78,"tags":80,"primary_topic":81,"secondary_topics":82,"classification":83,"search_phrases":98,"slug":100,"view_count":19,"doi":8,"paper":8,"created_at":101},4932,"中国农业科学院基因组所揭示水稻器官边界建成的分子机制","https:\u002F\u002Fwww.toutiao.com\u002Farticle\u002F7695986677139685939","中国农业科学院农业基因组研究所超级稻种质创新团队揭示水稻器官边界建成的分子机制,相关成果发表在《植物细胞》(The Plant Cell)上。研究发现水稻中存在一类转录因子,在器官边界特异表达,像'分子开关'调控下游功能基因,可同时调控分蘖起始、叶枕发育等多类边界发育过程,最终决定水稻分蘖数、叶片夹角等多项核心产量性状。该研究完善了单子叶植物器官边界发育的基础理论,为禾本科作物的株型改良提供了基因靶标。","## 调控水稻边界的“分子开关”被发掘\n\n近日，中国农业科学院农业基因组研究所超级稻种质创新团队揭示了水稻器官边界建成的分子机制。相关研究成果发表在**《植物细胞（The Plant Cell）》**上。\n\n![Image 1](https:\u002F\u002Fp3-sign.toutiaoimg.com\u002Ftos-cn-i-axegupay5k\u002Faa1adec2158d4b3389687e4e0d992b67~tplv-tt-origin-web:gif.jpeg?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1792627567&x-signature=zHyeDh0z3p1wWRjpBdcvJIL3mEw%3D)\n\n水稻新器官的形成始终伴随边界区域产生，这类区域既是新旧器官的天然分界，也是新组织、新器官起始的核心位点，对器官形态建成至关重要。但不同类型边界是否存在统一的调控规律，目前缺少深入研究。\n\n研究发现，水稻中存在一类转录因子，在器官边界特异表达，像“分子开关”调控下游功能基因，可同时调控分蘖起始、叶枕发育等多类边界发育过程，最终决定水稻分蘖数、叶片夹角等多项核心产量性状。研究完善了单子叶植物器官边界发育的基础理论，为禾本科作物的株型改良提供了基因靶标。\n\n该研究得到国家自然科学基金、中国农业科学院科技创新工程、广东省重点领域研发计划等项目资助。\n\n原文链接：  \nhttps:\u002F\u002Fdoi.org\u002F10.1093\u002Fplcell\u002Fkoag152","中国农业科学院 今日头条 2026 年 10 月 13 日","2026-10-13T00:00:00Z",{"impact":75,"substance":16,"depth":17,"authority":18,"freshness":76,"relevant":19,"comment":77},24,8,"国家级科研机构在《植物细胞》发表的水稻器官边界调控机制突破，为禾本科作物株型改良提供基因靶标，专业价值高且时效性强，值得进入每日精选。",[79],{"name":72,"url":69},[24,25,26,27,28],{"code":30,"slug":31,"name":24,"path":32,"parent_code":33},[],{"status":36,"locked":37,"version":38,"method":39,"evidence":84},{"candidates":85,"agricultural_evidence":13},[86,90,94],{"code":30,"score":43,"supported":13,"title":87,"abstract":88,"tags":89},[24],[24],[24],{"code":48,"score":19,"supported":37,"title":91,"abstract":92,"tags":93},[],[],[25],{"code":53,"score":19,"supported":37,"title":95,"abstract":96,"tags":97},[],[],[26],[58,99],"水稻 分蘖数 叶片夹角 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Cell","https:\u002F\u002Fnew.qq.com\u002Frain\u002Fa\u002F20260918A068DI00","近日,万建民院士领衔的中国农科院作科所作物功能基因组研究创新团队解析了关键基因介导水稻光周期信号传递、精准调控水稻抽穗期的分子机制。发现了串联上下游抽穗信号的桥梁基因,该基因编码蛋白可在细胞核中与成花素蛋白互作,通过负反馈调控精准把控水稻抽穗时间;启动子自然变异可分为不同功能单倍型,早抽穗单倍型经人工选择已在高纬度短生长季稻区广泛应用,完善了水稻抽穗调控分子网络。","中国农业科学院作物科学研究所\u002F腾讯新闻","2026-09-18T00:00:00Z",{"impact":75,"substance":164,"depth":17,"authority":18,"freshness":165,"relevant":19,"comment":166},23,9,"国家级团队在核心期刊发表的水稻抽穗调控分子机制突破，兼具学术价值与育种应用前景，值得进入每日精选。",[168],{"name":161,"url":159},[24,25,26,170,171],"抽穗期","光周期",{"code":30,"slug":31,"name":24,"path":32,"parent_code":33},[],{"status":36,"locked":37,"version":38,"method":39,"evidence":175},{"candidates":176,"agricultural_evidence":13},[177,181,185],{"code":30,"score":43,"supported":13,"title":178,"abstract":179,"tags":180},[24],[24],[24],{"code":48,"score":19,"supported":37,"title":182,"abstract":183,"tags":184},[],[],[25],{"code":53,"score":19,"supported":37,"title":186,"abstract":187,"tags":188},[],[],[26],[190,191],"万建民 水稻 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种业振兴","农业科技种业振兴高产攻关四川-2715","2026-09-17T00:04:38.345370Z",{"id":240,"title":241,"url":242,"summary":243,"summary_zh":8,"content":244,"source_name":245,"source_url":8,"published_at":246,"category":11,"cover_url":8,"hotness":12,"is_selected":13,"score":247,"score_detail":248,"sources":251,"tags":253,"primary_topic":256,"secondary_topics":257,"classification":263,"search_phrases":278,"slug":281,"view_count":207,"doi":8,"paper":8,"created_at":282},2085,"中国水稻所张健团队克隆水稻种子寿命关键基因SL6 延长储藏期破解种业\"卡脖子\"难题","https:\u002F\u002Fnews.sciencenet.cn\u002Fhtmlnews\u002F2026\u002F9\u002F571175.shtm","9月5日中国水稻研究所水稻生物育种全国重点实验室张健团队在国际期刊《科学—进展》(Science Advances)发表研究成果,成功克隆调控水稻种子寿命的关键基因SL6。该基因编码脂酰-酰基载体硫酯酶,通过调节种子脂肪酸组分、抑制膜脂过氧化延长种子寿命,提出\"源头防御\"新理论。全球每年约25%-33%的种子因储藏老化失去活力,该研究为破解种业\"卡脖子\"难题提供全新分子育种路径。","[![Image 1: 科学网新闻频道](https:\u002F\u002Fnews.sciencenet.cn\u002Fimages\u002Fnews.jpg)](https:\u002F\u002Fnews.sciencenet.cn\u002F)\n\n[生命科学](https:\u002F\u002Fwww.sciencenet.cn\u002Flife\u002F) | [医学科学](https:\u002F\u002Fwww.sciencenet.cn\u002Fmedicine\u002F) | [化学科学](https:\u002F\u002Fwww.sciencenet.cn\u002Fchemistry\u002F) | [工程材料](https:\u002F\u002Fwww.sciencenet.cn\u002Fmaterial\u002F) | [信息科学](https:\u002F\u002Fwww.sciencenet.cn\u002Finformation\u002F) | [地球科学](https:\u002F\u002Fwww.sciencenet.cn\u002Fearth\u002F) | [数理科学](https:\u002F\u002Fwww.sciencenet.cn\u002Fmathematics\u002F) | [管理综合](https:\u002F\u002Fwww.sciencenet.cn\u002Fpolicy\u002F)[站内规定](https:\u002F\u002Fblog.sciencenet.cn\u002Fblog-45-1064777.html) | [手机版](https:\u002F\u002Fwap.sciencenet.cn\u002F)\n\n[首页](https:\u002F\u002Fwww.sciencenet.cn\u002F) | [新闻](https:\u002F\u002Fnews.sciencenet.cn\u002F) | [博客](https:\u002F\u002Fblog.sciencenet.cn\u002Fblog.php) | [院士](https:\u002F\u002Fnews.sciencenet.cn\u002Fys\u002F) | [人才](https:\u002F\u002Ftalent.sciencenet.cn\u002F) | [会议](https:\u002F\u002Fmeeting.sciencenet.cn\u002F) | [基金·项目](https:\u002F\u002Ffund.sciencenet.cn\u002F) | [论文](https:\u002F\u002Fpaper.sciencenet.cn\u002F) | [绘图](https:\u002F\u002Fvisual-web.sciencenet.cn\u002F) | [视频·直播](https:\u002F\u002Fblog.sciencenet.cn\u002Fblog.php?mod=video) | [小柯机器人](https:\u002F\u002Fpaper.sciencenet.cn\u002FAInews) | [医学科普](https:\u002F\u002Fyxkp.sciencenet.cn\u002F)\n\n作者：李晨 来源：中国科学报 发布时间：2026\u002F9\u002F9 21:45:19 选择字号：小 中 大 解锁长寿密码：对抗水稻种子老化的“分子盾牌” 种子是农业的“芯片”，却也是极其脆弱的“芯片”。全球每年约有25%~33%的种子因贮藏过程中的老化而失去活力，造成的损失超过数十亿美元。 ![Image 2](https:\u002F\u002Frmtzx.sciencenet.cn\u002Fkxwsprint\u002F6aa115cee4b078fce44b03cc.jpg)不同物种的种子寿命差异。中国农科院水稻所供图 9月5日，中国水稻研究所水稻生物育种全国重点实验室研究员张健团队在国际期刊《科学—进展》（_**Science Advances**_）发表了研究成果。该研究成功克隆到调控水稻种子寿命的关键基因SL6，并揭示其调节种子脂肪酸组分，抑制膜脂过氧化，从而延长种子寿命的分子机制。 **种子世界里悬殊的生命年轮** 论文通讯作者张健介绍，种子在成熟后期干燥后会进入休眠状态，可在较长时间里保持活性，被认为是植物维持繁衍的重要机制。然而，储藏过程中，即便轻微的代谢活动就会使种子发生老化，逐渐丧失活力。 由于种子寿命评价指标复杂、研究周期长，种子寿命调控基因（尤其是自然变异的基因型）鲜见报道，遗传机理不明。如何延长种子寿命，一直是种业领域的“卡脖子”难题。 “因生长环境、贮藏环境、种子形态和内含物组分等差异，不同物种的种子寿命存在巨大的差异。”张健说，生长在喜马拉雅南麓的婆罗双的种子寿命仅有几周的时间；而同为豆科植物，花生和大豆的种子寿命约1~2年，绿豆的寿命则可长达5年左右。 而常见的禾谷类作物，如水稻、小麦和玉米的种子寿命在2~5年之间。我国辽宁省普兰店出土的睡莲种子在保存1300多年后仍能保持发芽能力，而在黑海附近出土的海枣种子寿命甚至高达2000多年。“每一粒种子中都隐藏着沉睡与凋零的生命密码。”张健强调。 **源自野生稻的驯化馈赠** 长期以来，科学界对种子老化的研究多聚焦于“清除自由基”的抗氧化路径。该研究团队另辟蹊径，提出了“源头防御”的新理论。 历经近十年努力，研究团队创立了种子寿命半衰期指标G50，并从耐储籼稻品种黄华占(HHZ)中克隆到主效QTL-qSL6，该基因编码一类脂酰-酰基载体硫酯酶，其核心功能是调控软脂酸(约占稻米脂肪酸20%)的合成。 论文共同第一作者、中国水稻研究所水稻生物育种全国重点实验室副研究员王以锋介绍，种子灌浆期发生的干燥胁迫会产生脱落酸（ABA）信号，可以激活SL6基因表达。而SL6就像一个精密的“分子盾牌”，通过重塑种子内部的脂肪酸组分，显著提高饱和\u002F不饱和脂肪酸的比例，有效降低了细胞膜脂双键被氧化的风险，从源头上加固了细胞的“防御工事”，抑制膜脂过氧化损伤。 这一机制突破了传统抗氧化研究范式。这是首次在植物中完整揭示了“恒黏适应性”的分子调控通路，即生物在逆境下主动重塑膜脂组分、以维持膜流动性和黏度稳态的抗逆机制，为理解种子活力衰退提供了全新的视角。 论文共同第一作者、中国水稻研究所水稻生物育种全国重点实验室研究员应杰政说，他们还发现，SL6可分为两种单倍型。其中一种为祖先型，源自野生稻，是水稻在驯化过程中为适应高温高湿贮藏环境而保留下来的“长寿秘籍”，主要在籼稻中保留，而在粳稻驯化过程中逐渐丢失。 **拓展稻种的贮藏韧性** 上述发现不仅解释了籼粳间种子耐贮性差异的遗传基础，也为合成生物学提供了一种全新的高效调控工具。 随后，他们通过转基因方法适度提高SL6表达量，或利用分子育种手段将该基因导入主栽粳稻品种或粳型恢复系亲本。结果发现，这样可有效提升常规稻和籼粳杂交稻种子的半衰期，例如，常规稻种子半衰期提升约27%，杂交稻种子半衰期提升约15%，且不改变主要农艺性状。 “这对于解决我国粳稻及籼粳杂交稻种子仓储过程中易劣变的产业痛点具有巨大的应用价值。”张健说，此外，SL6亦可大幅提升拟南芥和烟草的种子寿命，表明该基因在单、双子叶植物的种子耐储性改良方面拥有广阔的跨物种应用前景。 相关论文信息：https:\u002F\u002Fdoi.org\u002F10.1126\u002Fsciadv.aeg8609 版权声明：凡本网注明“来源：中国科学报、科学网、科学新闻杂志”的所有作品，网站转载，请在正文上方注明来源和作者，且不得对内容作实质性改动；微信公众号、头条号等新媒体平台，转载请联系授权。邮箱：shouquan@stimes.cn。\n\n打印 发E-mail给：\n\n以下评论只代表网友个人观点，不代表科学网观点。\n\n[![Image 3](https:\u002F\u002Fnews.sciencenet.cn\u002Fimages\u002Fnewcomm.gif)](https:\u002F\u002Fnews.sciencenet.cn\u002Fhtml\u002Fcomment.aspx?id=571175)\n\n相关新闻 相关论文\n*   1\n*   [基金委发布2个2026年度项目指南](https:\u002F\u002Fnews.sciencenet.cn\u002Fhtmlnews\u002F2026\u002F9\u002F571167.shtm)\n\n*   2\n*   [2026年度 “澳门青年学者计划”获选结果公布](https:\u002F\u002Fnews.sciencenet.cn\u002Fhtmlnews\u002F2026\u002F9\u002F571166.shtm)\n\n*   3\n*   [不收论文，一份陶哲轩参与的新期刊诞生了](https:\u002F\u002Fnews.sciencenet.cn\u002Fhtmlnews\u002F2026\u002F9\u002F571162.shtm)\n\n* 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[更多>>](https:\u002F\u002Fblog.sciencenet.cn\u002Fblog.php?mod=recommend)","中国科学报","2026-09-09T00:00:00Z",91,{"impact":204,"substance":75,"depth":249,"authority":206,"freshness":76,"relevant":19,"comment":250},19,"中国水稻所团队克隆种子寿命关键基因SL6并验证其提升常规稻与杂交稻种子半衰期的应用价值，属种业领域重大突破，权威期刊发表、信息增量足，值得进入每日精选。",[252],{"name":245,"url":242},[24,25,27,254,255],"基因育种","种子寿命",{"code":30,"slug":31,"name":24,"path":32,"parent_code":33},[258],{"code":48,"slug":259,"name":260,"path":261,"parent_code":262},"seed-industry","种业与品种管理","\u002Ftopic\u002Finputs-equipment\u002Fseed-industry","F",{"status":36,"locked":37,"version":38,"method":39,"evidence":264},{"candidates":265,"agricultural_evidence":13},[266,270,274],{"code":30,"score":43,"supported":13,"title":267,"abstract":268,"tags":269},[24],[24],[24],{"code":48,"score":43,"supported":13,"title":271,"abstract":272,"tags":273},[226],[226],[25],{"code":53,"score":64,"supported":13,"title":275,"abstract":276,"tags":277},[],[117,26],[],[279,280],"农业科技 基因育种 种业振兴 种子寿命","农业科技 基因育种","农业科技基因育种种业振兴种子寿命-2085","2026-09-11T00:04:20.009428Z",{"id":284,"title":285,"url":286,"summary":287,"summary_zh":8,"content":288,"source_name":289,"source_url":8,"published_at":290,"category":11,"cover_url":8,"hotness":12,"is_selected":37,"score":291,"score_detail":292,"sources":294,"tags":296,"primary_topic":299,"secondary_topics":300,"classification":301,"search_phrases":320,"slug":323,"view_count":324,"doi":8,"paper":8,"created_at":325},5444,"四川省农科院生核所「花香优872」百亩连片实收亩产 635 公斤","https:\u002F\u002Fwww.chinawestagr.com\u002Fzwgk\u002Fshowcontent.asp?id=67505","四川省农业科学院生物核与农业工程研究所在成都郫都区举办郫都粮经复合综合试验站杂交水稻新品种百亩连片现场观摩与验收会，重点展示该所选育的优质一级香型杂交稻「花香优872」百亩连片示范方。副所长王平研究员就该品种特征特性、配套栽培技术要点及粮经复合茬口衔接模式作现场讲解。种植大户反馈该品种在迟播条件下百亩片现场实收平均亩产 635 公斤，机械化效率提升 2.1%，抗病性与机收适应性表现良好。","λԺ                ʱ䣺2026\u002F10\u002F16171\n\nΪӿӽˮƷƹӦãƶ֡أ1011գԺڳɶۯٰۯۺվӽˮƷְĶƬֳĦջᡣʡũԺйרҡҵҵֲ󻧲μӡ\n\nĿصչʾԺѡһӽ“872”ĶƬʾԺƽоԱ͸Ʒԡ༼Ҫ㼰ϲνģʽֳ⡣λ﹡ʵز쿴ƷֵҶ̬ṹͿ֣ΧɹӦúͻеֲЧʵȷ˽ֲ󻧽ֲ飬϶ƷڿԺͻӦԷ֣ڳٲ“872”ĶƬֳʵƽĶ635еЧ2.1%ҵҵֲ󻧾͸ƷֵĽһƹ˶ԽǢ̸\n\n˴λͨ“—ҵ—ֲ”ƽ̨ѡֱָۡѧһԺΧˮֲЧӿ߲ʡ࿹˻Ʒֵɸѡչʾ׼ɣֱչʾ“”ںϵЧDZӶƹӦá","四川省农业科学院 2026-10-16","2026-10-16T00:00:00Z",64,{"impact":17,"substance":205,"depth":43,"authority":112,"freshness":193,"relevant":19,"comment":293},"省级科研机构水稻新品种百亩连片实收测产，数据具体、有示范推广价值，但属区域性进展，时效稍旧。",[295],{"name":289,"url":286},[24,25,297,298],"粮食单产","新品种示范",{"code":30,"slug":31,"name":24,"path":32,"parent_code":33},[],{"status":36,"locked":37,"version":38,"method":39,"evidence":302},{"candidates":303,"agricultural_evidence":13},[304,310,316],{"code":30,"score":305,"supported":13,"title":306,"abstract":307,"tags":309},7,[],[24,308],"杂交稻",[24],{"code":311,"score":61,"supported":13,"title":312,"abstract":313,"tags":315},"F5",[],[314],"机械化",[],{"code":48,"score":19,"supported":37,"title":317,"abstract":318,"tags":319},[],[],[25],[321,322],"花香优872 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