上海快3

当前位置 : 首页 > 科研成果 > 正文

《Nature Genetics》期刊发表马正强教授团队“Mutation of a histidine-rich calcium-bindingprotein gene in wheat confers resistance to Fusarium headblight”

发布人: 发布日期: 2019-06-18 浏览次数:

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。

上海快3JINRI,NANJINGNONGYEDAXUEMAZHENGQIANGJIAOSHOUTUANDUIZAIGUOJIQUANWEIZAZHINatureGeneticsSHANGYI“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。

上海快3Fhb1BIANMAYIGEZHUSHIWEIFUHANZUANSUANDEGAILIZIJIEHEDANBAI(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。

SHANGSHUYANJIUCHENGGUO,NANJINGNONGYEDAXUELIGUOQIANGBOSHI、BOSHISHENGZHOUJIYANGHEJIAHAIYANFUJIAOSHOUWEIGONGTONGDIYIZUOZHE,MAZHENGQIANGJIAOSHOUWEITONGXUNZUOZHE。BUFENCHENGGUOYIHUODEZHONGGUOHEMEIGUOFAMINGZHUANLISHOUQUAN。

上海快3ERSHIDUONIANLAI,MAZHENGQIANGJIAOSHOUTUANDUILIYONGJIYINZUXUE、ZHUANLUZUXUE,DANBAIZUXUEDENGJISHUSHOUDUANFAJUEHEJIANDINGLESHIJIGEKANGCHIMEIBINGDEQTLHEYIPIYUCHIMEIBINGKANGXINGXIANGGUANDEJIYIN,BINGPEIYULEYIXILIEKANGCHIMEIBINGZHONGZHI,TIGONG·JIYUZHONGDANWEILIYONG,DEDAOLEYUZHONGJIADEGUANGFANZANYU。GAITUANDUIGANYUYIXIAOMAICHIMEIBINGKANGXING·ZHEIYIGUANXILIANGSHIANQUANDESHIJIEXINGNANTIWEIZHUGONGMUBIAO,YONGYUTANSUO,ZHUIQIUZHENLI、BUWEICUOZHE、BUJIDESHI,QIANXINYANJIU,TIXIANLEDANBOMINGLI、QIANXINYANJIUDEKEXUEJIAJINGSHEN。


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)