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[中国科学报]科学家为啥“最想要”这种微生物?

作者: 发布时间: 2020.04.01 文章来源:幸运赛车_幸运赛车网址|正规授权

  日前,幸运赛车网址幸运赛车网址微生物所和生态环境中心的科研人员从污水处理厂发现了一种独特的微生物,它是全世界科学家“最想要”的28个活性污泥核心微生物类群之一。

幸运赛车网址  “zheizhongjunyouzhuyuxiaochuwushuizhongdedan、linhegeleiyoujiwuranwu,weitishengwushuichulijishushuipinghefazhanxinyidaihuoxingwunigongyidaxialejichu。”jinri,gaiyanjiutongxunzuozhezhiyi、weishengwusuoyanjiuyuanliushuangjiangzaijieshou《zhongguokexuebao》caifangshishuo。

  据介绍,这一成果是依托2017年启动的中国微生物组计划预研项目“幸运赛车网址幸运赛车网址微生物组计划”而完成的。作为纪念,科研人员将该类微生物命名为“中科微菌”。同时,他们还将该类微生物的首个物种命名为“惠芳中科微菌”(以下简称“惠芳菌”),以纪念我国已故环境微生物学家杨恵芳先生。

  广泛分布 代谢多样 

幸运赛车网址  wushuichulichangdeweishengwushishuijinghuadehexin。baokuozhongguozaineiquanqiuchengshiwushuichulixitongde90%yishangshibianyonghuoxingwunigongyi,weishengwushihuoxingwuniyouxiaoqingchugezhongwuranwude“zhulijun”,meikehuoxingwunizhongyou1012geweishengwuxibao。zheixiefuzadeweishengwuyufeishuizhongdeyoujiyingyangwuxingchenglefuzade“shengtaiwang”。

  huoxingwuniweishengwuzudefuzaduyuangaoyuburudongwuchangdaoweishengwuzudefuzadu。zuixinyanjiuhetongjibiaoming,huoxingwunizhong99.9%deweishengwuwuzhonghaimeiyoubeifenlipeiyang,yinci,xianzhilerenshihelijiezheixieweishengwudezaiwushuichulizhongdezuoyong。

  cici,yanjiurenyuancongbeijingqinghewushuichulichanghuoxingwunizhongfenlipeiyangle“huifangjun”。“xingyunsaichewangzhituanduiyigongfenlile800duogejunzhu,zuihouchenggongle。”gailunwendiyizuozhe、weishengwusuoheshengtaizhongxinlianhepeiyangboshiyanjiushengsongyanggaosujizhe。

  songyangbiaoshi,huoxingwunizhongjuedaduoshuweishengwudetuodanchulinxiaoguobumingxian,dan“huifangjun”junzhonghewushuichulidezhuyaozhibiaoquechengzhengxiangguan。“‘huifangjun’yueduo,wushuichulixiaoguojiuyuehao。”tashuo。

  jujieshao,zaiqinghewushuichulichanghuoxingwuniweishengwuqunluozhong,“huifangjun”shuliangzhanzongjunqunde1%zuoyou,qidaixiegongnengduoyang。chulefenjiegezhongyoujiwuranwu(rutanshuihuahewu、fangxiangzuhuahewuheduanlianzhifangsuan)wai,haijuyouhaiyuanxiaosuanyanhejileilindenengli。

  “tanenggoubalinbianchengjulinsuanyancunzaixibaoli,suizhewunidepaifangjiukeyibalinshoujiqilai。tanenggoubaxiaosuanyanbianchengyaxiaosuanyan,zaijinyibufanxiaohuatuodan,zuihoubatachudiao。”liushuangjiangjieshishuo。

幸运赛车网址  buzhiruci,liushuangjiangjieshao,“zhongkeweijun”zheileiweishengwuhaijuyouguangfanfenbudetedian,bujincunzaiyuzhongguowushuichulichang,gengguangfancunzaiyushijiegedichengshiwushuichulichangdehuoxingwunizhong。

  一个节点 一代工艺 

  zaiqinghewushuichulichanghuoxingwuniweishengwuqunluozhong,“huifangjun”qizhezhongyaodemokuaishuniuzuoyong。zheiyeshidexinfaxianweifazhanxinyidaihuoxingwunigongyidaxialejichu。

幸运赛车网址  “huoxingwunilidesuoyouweishengwujiuxiangyizhang‘dawang’,eryouxieweishengwuzhijianhuigouchengyige‘xiaowang’,tamentongguoxianghuzuoyong,gongtongquchuwuranwu。”liushuangjiangjieshishuo。qizhong,xiaowangluodemeiyigejiedianjiuxianghulianwangde“luyouqi”,huiyingxiangqitadeweishengwu。

幸运赛车网址  er“zhongkeweijun”jiushizheiyangdeyige“luyouqi”,tongguotakeyilejieqitaweishengwushizaizhijiehaishijianjiedicujinwuranwujiangjie。

  liushuangjiangjieshao,chule“zhongkeweijun”zhiwai,quanqiu“zuixiangyao”de28gehuoxingwunihexinweishengwuleiqunyijingzhaodaoleyueyiban,haiyouyibanshangdaiwajue。

  目前,为期两年的幸运赛车网址幸运赛车网址“中国微生物组计划”预研项目(研究对象包括人体、动物、活性污泥等研究内容)即将结束。刘双江表示,研究团队将在科技部最新启动的国家重点研发计划项目“活性污泥人工多细胞体系构建与应用”的支持下继续开展相关研究,寻找活性污泥里那些“隐藏的星星”,为我国污水处理技术水平的提升,提供微生物资源和科技支撑。

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