12月23日《自然》杂志内容精选----中国科学院-山东福彩网

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12月23日《自然》杂志内容精选----中国科学院

   发布时间:2010-12-30阅读:

    今年的“Nature年度新闻人物”是Jane Lubchenco。作为美国国家海洋和大气管理局局长,她深入参与了今年最大新闻事件之一——英国石油公司“深水地平线”钻井平台在墨西哥湾的石油泄漏事件。

    远古西伯利亚“人族”个体的基因组被测序

    CONGJIEPOUSHANGLAIJIANG,XIANDAIRENZAIJUJIN20WANNIANQIANZHIHOUDEMOUGESHIJIANDIANSHANGHAIZAIFEIZHOU,ZAICIZHIHOUXIANGDANGZHANGSHIJIANCAIDADAOOUYADALU。YUCITONGSHI,BAOKUO“NIANDETEREN”(XUEJUREN)ZAINEIDEGU“RENZU”ZHISHAOZAI23WANNIANQIANJIUYIZAIOUYADALULE,ZHISHIZAIJUJINYUE3WANNIANQIANCAICONGHUASHIJILUZHONGXIAOSHI。XIANZAI,LAIZINANXIBOLIYADenisova CaveZHONGDEYIGENVXINGGU“RENZU”GETIDEJIYINZUYIGENJUCONGYIGESHOUZHIGUZHONGTIQUDEDNABEICEXU。ZHEIGE“Denisovan”GETISUOSHUDEQUNTIYU“NIANDETEREN”YOUYIGEGONGTONGDEQIYUAN,ERQIEJINGUANTABINGBUSHEJIJIASHEZHONGDECONG“NIANDETEREN”XIANGOUYARENDEJIYINLIUDONG,DANTADUIJINTIANMEILANIXIYARENDEJIYINZUDEGONGXIANDA4%~6%。LINGWAI,YIKEYACHIDEXIANLITIJIYINZUYUSHOUZHIGUDEXIANLITIJIYINZUFEICHANGXIANG,ZHEIKEYACHIDEXINGTAIBIAOMING,ZHEIXIE“RENZU”GETIZAIYANHUASHANGYU“NIANDETEREN”HEXIANDAIRENDOUSHIJIERANBUTONGDE。

    与冲动行为有关的基因突变

    CHONGDONGXINGWEI(BUKAOLVHOUGUODEXINGDONG)SHIJIZHONGJINGSHENJIBINGDEYIGETEZHENG,QIZHONGYIXIEYIBEIFAXIANJUYOUZHONGDUYICHUANXING。ZAIXUNZHAOZHEIZHONGYICHUANXINGDEJIYINTEZHENGDEYIXIANGYANJIUGONGZUOZHONG,YANJIURENYUANJIANGWAIXIANZICEXUGONGZUODEZHONGDIANFANGZAIYOUYANZHONGCHONGDONGTEZHENGDEFENLANXINGSHIZUIFANDE14GEXUEQINGSUHEDUOBAANXIANGGUANJIYINSHANG,QIJIEGUOXIANSHI,CHONGDONGYU“ZHONGZHIMIMAZI”HTR2BDEYIGETUBIANYOULIANXI。YANJIURENYUANYIQIANBINGBUZHIDAOGAIJIYIN(TABIANMA5HT2BXUEQINGSUSHOUTI)YINGXIANGXINGWEI。ZHEIZHONGXUEQINGSUSHOUTIZAICHONGDONGXINGWEIZHONGSUOQIZUOYONGDEDAOLETICHUGAIJIYINDEXIAOSHUBIAOXIANXINGDEJINYIBUZHICHI。

    含“Bromodomain”的BET蛋白

    RAODONGRANSEZHIDANBAIDEXIAOFENZIDEFAXIAN,SHIDANGQIANSHENGWUYIXUEYANJIUZHONGYIGEXINXINGDEJIAODIAN。ZAIBENQINatureSHANGFABIAOLUNWENDELIANGGEXIAOZUYIHAN“Bromodomain”DEBETDANBAIWEIYANJIUMUBIAO,ZHEIXIEDANBAIZAIJIYINJIFAGUOCHENGZHONGJIEHEYIXIANHUADELAIANSUANCANJI,DAODAJIYURONGHEDE“triazolo-diazepine”HUANDEJUYOULEISIJIEGOUDE、KETOUGUOXIBAODEXIAOFENZIHUAHEWUSHANG。James BradnerJIQITONGSHIBAOGAO,TAMENYANZHICHUYIZHONGQUMINGWEIJQ1DEHUAHEWU。BETDANBAIBRD4(DAILIANGGEbromodomain)YURENLEILINPIANZHUANGXIBAOAIYOUGUAN。JQ1ZAIXIAOSHUMOXINGZHONGYIZHIYILAIYUBRD4DEZHONGLIUDESHENGZHANG。Alexander TarakhovskyJIQITONGSHIFAXIAN,MINGWEII-BETDEYIZHIYINZIGANSHEBETJIAZUMOUXIECHENGYUANYUYIXIANHUAZUDANBAIDEJIEHE。TAYIZHIJUSHIXIBAOZHONG“CUYAN”JIYINDEJIFA,ZAIYIGEYANZHENGXIAOSHUMOXINGZHONGJUYOUMIANYIDIAOZHIHUOXING。

    简化的细胞分裂周期

    XIBAOFENLIEGUOCHENGXUYAOYIXILIEYOUXUDESHIJIANLAIQUEBAOYICHUANXINXIDEZHENGQUEFUZHIJIQIZHUNQUEFENBU。ZHEIZHONGFUZHIZHOUQIDEDIAOKONGFEICHANGFUZA,SHIDELEJIEQIGUANJIANYUANLIHENKUNNAN。WEILEYANJIUZHENHEXIBAOYOUSIFENLIEZHOUQIDEHEXINYINQING,Damien CoudreuseHEPaul NurseZAILIEZHIJIAOMUZHONGSHENGCHENGLEYIGEGAODUJIANHUADEZUIXIAOKONGZHIWANGLUO。JIYUYONGJIYINGONGCHENGFANGFAZUOCHENGDEDANYICDK(YILAIYUXIBAOZHOUQIDANBAIDEJIMEI)ZHENDANGQIDEZHEIGETIXI,ZAIMEIYOUNEIXIEZAINENGGOUWANQUANFAHUIGONGNENGDEXIBAOZHONGQIZUOYONGDEHENDUOYIZHIDEDIAOKONGXINGSHURUHEFANKUICUNZAIDEQINGKUANGXIA,SHIXIANLEXIBAOZHOUQIZHONGZHUYAOSHIJIANDEYOUXUYANJIN。

    用纳米线实现“自旋—轨道量子位”

    LIANGZIWEIDEYIGEHENYOUXIWANGDEXINXINGSHI,JI“ZIXUAN—GUIDAOLIANGZIWEI”,DUIYUDIANHELIANGZIWEIHEZIXUANLIANGZIWEILAISHUOKENENGDOUSHIYIZHONGJINBU。ZAILIANGZIWULIZHONG,DIANZIDEYUNDONGHUITONGGUOBEICHENGWEI“ZIXUAN—GUIDAOHUDONG”DEYIZHONGJIBENXIAOYINGYINGXIANGTAMENDEZIXUAN。Nadj-PegeDENGRENZAIYIGENSHENHUAYINNAMIXIANZHONGSHIXIANLEYIGE“ZIXUAN—GUIDAOLIANGZIWEI”。ZHEIGE“ZIXUAN—GUIDAOLIANGZIWEI”SHIKEYIYONGDIANKONGZHIDE,XINXIKEYICUNCHUZAIZIXUANZHONG。NAMIXIANTEBIESHIHELIANGZIJISUAN,YINWEITAMENNENGCHONGDANGKEKUOZHANDELIANGZIWEIZHUCEQIDEYIWEIMOBAN,ZAIDIANZIHEGUANGZIQIJIANZHONGDOUNENGFAHUIGONGNENG。

    地幔超塑性得到实验证实

    CHAOSUXING(YIZHONGGUTAIJINGTICAILIAOFASHENGDANXINGXINGBIANDAOCHAOGUOQIZHENGCHANGDUANLIEDIANDEYICHANGNENGLI)YIZAIJINSHUSHENZHITAOCIZHONGBEIFAXIAN。CHAOSUXINGWEIYEBEIRENWEIFASHENGZAIYIXIEDIZHICAILIAOZHONG,BAOKUODIQIUDEXIACENGDIMAN,DANCIQIANZHEIYIDIANYIZHIMEIYOUZAISHIYANSHIZHONGYONGDIZHICAILIAODEDAOYANSHI。XIANZAI,HiragaDENGRENBAOGAO,YUDIMANDEFUHECAILIAOFEICHANGXIANGSIDEHECHENGYANSHIDEQUEBIAOXIANCHUCHAOSUXING,NENGGOUSHENZHANG500%。TAMENDEJISUANBIAOMING,DIMAN“CHAOSULIU”BANSUIZHEXIANGDANGDADEKELISHENGZHANG,ZHEIZHONGSHENGZHANGNENGJIANGXILIYANSHIBIANCHENGCULIJUHETI,DAOZHIDIMANNIANDUZENGDA,BINGZUIZHONGDAOZHI“CHAOSULIU”ZHONGZHI。

    eNOS的一个分子开关

    MINGWEIeNOSDEMEI(eNOSSHI“NEIPIYIYANGHUADANHECHENGMEI”DESUOXIE)SHIDIAOKONGXUEGUANGONGNENGDEGUANJIAN,YINWEITAJINENGCHANSHENGRANGXUEGUANKUOZHANGDEYIYANGHUADAN,YOUNENGCHANSHENGRANGXUEGUANSHOUSUODECHAOYANGHUAWU。Jay ZweierJIQITONGSHIFAXIAN,YU“YANGHUAWUYINGJI”XIANGGUANDEYIZHONGXIUSHI,JI“DANBAIZHIGUGUANGGANTAIHUA”,JIANGZHEIZHONGMEICONGXINGCHENGYIYANGHUADANQIEHUANCHENGXINGCHENGGUOYANGHUAWU。ZAIGAOXUEYAXUEGUANZHONG,eNOSDE“DANBAIZHIGUGUANGGANTAIHUA”SHUIPINGZENGJIA,ERQIEZHEIZHONGZENGJIAYUSHOUSUNDE、YILAIYUNEIPIDEXUEGUANKUOZHANGXIANGGUAN。“YANGHUAWUYINGJI”FASHENGZAIBAOKUOXINZANGBINGFAZUO、ZHONGFENG、TANGNIAOBINGHEAIZHENGZAINEIDEHENDUOJIBINGZHONG。ZHEIXIANGGONGZUOBIAOMING,NENGGOUFUWEIZHEIYIYANGHUA—HAIYUANKAIGUAN、CONGERHUIFUZHENGCHANGNOHECHENGMEIGONGNENGDEYAOWUYEXUYOUZHILIAOQIANLI。

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