[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"topic-TGW1aJZ":3},{"name":4,"kind":5,"tokens":6,"total":7,"page":7,"page_size":8,"items":9},"TGW1aJZ","tag",[4],1,100,[10],{"id":11,"title":12,"url":13,"summary":14,"summary_zh":15,"content":16,"source_name":17,"source_url":15,"published_at":18,"category":19,"cover_url":15,"hotness":20,"is_selected":21,"score":22,"score_detail":23,"sources":30,"tags":32,"primary_topic":36,"secondary_topics":42,"classification":43,"search_phrases":63,"slug":66,"view_count":67,"doi":15,"paper":15,"created_at":68},1142,"中国农科院水稻所揭示水稻“早熟高产”分子机制 改良品种生育期缩短3-8天、产量提升4.2%-11%","https:\u002F\u002Fwww.toutiao.com\u002Farticle\u002F7677955056439706112\u002F","中国水稻研究所水稻生物育种全国重点实验室张健团队历时8年攻关,从近10万份水稻材料中克隆到同时调控水稻熟期和产量的稀有等位基因TGW1aJZ,8月21日发表于《科学》。TGW1aJZ编码的类成花素蛋白FT-L1不仅促进开花还能直接感知氮素信号,与氮素利用率核心因子相互作用维持其稳定性,进而促进下游氮素利用基因表达。研究团队通过分子育种手段将TGW1aJZ导入南方主栽早籼品种中嘉早17、中早39,以及籼型恢复系华占、R173中,2023—2025连续3年在浙江杭州、广西南宁大田区域试验,改良新品种收获期缩短3-8天,产量增加4.2%-11.0%。",null,"## 我研究团队发现水稻早熟高产基因\n\n2026-08-25 21:07·[九派观天下](https:\u002F\u002Fwww.toutiao.com\u002Fc\u002Fuser\u002Ftoken\u002FMS4wLjABAAAAU_WcNIT9KsWUY6Xv7DGRWV6jRi7wflAqE01eQU1X3dfG7F535YONRYXKuwSw8IqI\u002F?source=tuwen_detail)\n\n【来源：廊坊市科技局_国内动态】\n\n8月21日，中国水稻研究所水稻生物育种全国重点实验室在《科学》杂志发表突破性研究成果：研究团队克隆到同时调控水稻熟期和产量的稀有等位基因TGW1aJZ，并揭示其编码的类成花素蛋白，可通过耦合“开花时钟”与氮素利用效率打破作物“早熟—高产”遗传枷锁的分子机制。研究明确了作物“早熟高产”的实质是熟期与氮素利用效率的平衡，为培育早熟高产品种提供了理论依据和基因资源。\n\n早花会缩短营养生长期，进而降低生物量的积累和产量。“早熟与高产”如“鱼与熊掌”，长期以来难以兼得。\n\n论文通讯作者、中国水稻研究所研究员张健介绍，研究团队对收集的300余份全球水稻种质资源的生育期和产量性状进行综合评价，创制了以华南及长江流域主栽籼稻品种黄华占和东北早熟、特大粒粳稻资源品种吉资1560为亲本的重组自交系群体。他们以千粒重与生育期作为评价关键指标，在1号染色体上定位到同时赋予水稻早熟和高产特性的主效位点qTGW1a，表明该位点是打破水稻“早熟—高产”遗传枷锁的关键钥匙。\n\n研究发现，基于启动子上的大片段序列差异，克隆基因TGW1a可分为3种单倍型。其中，TGW1aJZ为祖先型，主要存在于野生稻中；TGW1aHHZ主要存在于籼稻品种中；TGW1aNIP主要存在于粳稻品种中。\n\n研究团队通过分子育种手段将TGW1aJZ导入南方主栽早籼品种中嘉早17和中早39，以及籼型恢复系华占和R173中，并进一步筛选含TGW1aJZ-Gn1aHHZ的改良品种，于2023—2025年连续3年在浙江杭州、广西南宁进行大田区域试验。结果显示，改良新品种收获期缩短3—8天，产量增加4.2%—11.0%。\n\n“该研究针对当前我国多熟制地区茬口矛盾的农业生产痛点，挖掘到早熟高产关键基因TGW1aJZ，培育了一系列熟期提前3—8天、产量提升4%—11%的改良新品种，为水稻早熟高产改良提供了优异基因资源与应用示范。”张健表示。（记者马爱平）\n\n声明：此文版权归原作者所有，若有来源错误或者侵犯您的合法权益，您可通过邮箱与我们取得联系，我们将及时进行处理。邮箱地址：jpbl@jp.jiupainews.com","中国水稻研究所2026年8月29日","2026-08-29T00:00:00Z","报道",10,true,91,{"impact":24,"substance":25,"depth":26,"authority":27,"freshness":28,"relevant":7,"comment":29},28,24,18,14,7,"重大科研突破，揭示早熟高产分子机制，数据详实，权威性高，时效性稍差。",[31],{"name":17,"url":13},[33,34,4,35],"中国农科院","水稻所","类成花素蛋白",{"code":37,"slug":38,"name":39,"path":40,"parent_code":41},"A1","rice","水稻","\u002Ftopic\u002Ffield-crops\u002Frice","A",[],{"status":44,"locked":45,"version":46,"method":47,"evidence":48},"classified",false,"2026-10-22.2","rules",{"candidates":49,"agricultural_evidence":21},[50,55],{"code":37,"score":51,"supported":21,"title":52,"abstract":53,"tags":54},11,[39],[39],[],{"code":56,"score":57,"supported":21,"title":58,"abstract":59,"tags":62},"F2",6,[],[60,61],"生物育种","分子育种",[],[64,65],"类成花素蛋白 中国农科院 水稻所 TGW1aJZ","类成花素蛋白 中国农科院","类成花素蛋白中国农科院水稻所TGW1aJZ-1142",5,"2026-08-31T00:08:56.314361Z"]