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【前沿】亚博APP科学家找到战胜小麦“癌症”的生物武器

xinxilaiyuan: faburiqi:2019-06-13 liulancishu:

小麦赤霉病是由真菌镰刀菌引起的最具毁灭性的世界性小麦病害,堪称小麦“癌症”。小麦赤霉病的发生不仅导致严重的产量损失,还严重影响籽粒品质和食品安全,至今仍未得到有效解决。多年来,相关领域的科学家一直在探索如何战胜小麦赤霉病的武器。

jinri,yaboappshoujibanmazhengqiangjiaoshoutuanduizaiguojiquanweizazhinaturegeneticsshangyi“mutation of a histidine-rich calcium-bindingprotein gene in wheat confers resistance to fusarium headblight”weiti()baodao,zaiwoguozhangjiangzhongxiayoudekangbingyouyixiaomaijiyinziyuan“wangshuibai”he“sumai3hao”zhong,tongguotuweikelongdefangshi,zhaodaoledikangxiaomai“aizheng”deguanjianjiyinfhb1,weizhanshengxiaomaichimeibingtigongleyoulidewuqi。

亚博APPfhb1bianmayigezhushiweifuhanzuansuandegailizijiehedanbai(histidine-richcalcium-bindingprotein,his),zhiwuhistongyuanjiyindebianmachanwudeanjiduan(n-duan)xuliehezhenggedanbaijiegougaodubaoshou;liubeitiputongxiaomaizhonghisjiyindefhb1bianyifuyulexiaomaichimeibingkangxing。gaituanduifenxile643fenputongxiaomaipinzhongzhongfhb1jiyinduiyingransetiquduandeyichuanbianyi,faxianfhb1jiyinhenkenengqiyuanyuwoguozhangjiangzhongxiayoudiqu,shiwoguoteyoudeyouyixiaomaijiyinziyuan。gaiquyulilaishichimeibingliuxinghebaofadequyu,qiangdadexuanzeyatigonglekangchimeibingzirantubianbeibaoliuxialaidetiaojian。fhb1jiyinbujinkeyitigaoxiaomaiduichimeibingdekangxing,zaiqitazhiwuzhongliyonggaijiyinyeyoukenengtigaokangbingnengli。gaiyanjiuweijinyibujieshixiaomaikangchimeibingdefenzijizhidiandinglezhongyaojichu。

fhb1shixiaomaizhongmuqianyizhidezuizhongyaokangchimeibingqtl,juyouzuiqiangdekangkuozhanxiaoying,haikejiangdizilizhongzhenjundusudejilei。tongguofenzibiaojifuzhuxuanzedefangfajiangfhb1daorudaolaizijiangsu、shandong、henan、sichuandengshengdezhongganhuogaoganchimeibingxiaomaipinzhongzhong,kangchimeibingkuozhannenglidetigaofudunengdadao76%。fhb1jiyindekelongjiangdadatigaoxiaomaikangchimeibingyuzhongdexiaolv,weiwoguoheshijiexiaomaishengchanheshipinanquantigongbaozhang。

亚博APPshangshuyanjiuchengguo,yaboappshoujibanliguoqiangboshi、boshishengzhoujiyanghejiahaiyanfujiaoshouweigongtongdiyizuozhe,mazhengqiangjiaoshouweitongxunzuozhe。bufenchengguoyihuodezhongguohemeiguofamingzhuanlishouquan。

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图:Fhb1导入显著提高小麦品种的赤霉病抗性(挂牌的标示单花接种赤霉菌后的穗子)

 

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