{"id":13909,"date":"2018-07-19T00:00:41","date_gmt":"2018-07-18T16:00:41","guid":{"rendered":"https:\/newsletter.sinica.edu.tw\/?p=13909"},"modified":"2021-08-12T15:14:44","modified_gmt":"2021-08-12T07:14:44","slug":"%e6%89%be%e5%88%b0%e6%a4%8d%e7%89%a9%e5%90%b8%e6%94%b6%e9%a4%8a%e5%88%86%e7%9a%84%e9%97%9c%e9%8d%b5%e2%94%80%e2%94%80%e5%b0%88%e8%a8%aa%e8%94%a1%e5%ae%9c%e8%8a%b3","status":"publish","type":"post","link":"https:\/newsletter.sinica.edu.tw\/13909\/","title":{"rendered":"\u627e\u5230\u690d\u7269\u5438\u6536\u990a\u5206\u7684\u95dc\u9375\u2500\u2500\u5c08\u8a2a\u8521\u5b9c\u82b3"},"content":{"rendered":"

\u690d\u7269\u7684\u300c\u785d\u9178\u9e7d\u8f49\u904b\u86cb\u767d\u300d\u70ba\u4ec0\u9ebc\u91cd\u8981\uff1f<\/h1>\n

\u904e\u53bb\u50c5\u77e5\u9053\u690d\u7269\u6703\u5229\u7528\u6c2e\u80a5\u4e2d\u7684\u785d\u9178\u9e7d\u505a\u70ba\u990a\u5206\u4f86\u6e90\uff0c\u800c\u5229\u7528\u5206\u5b50\u751f\u7269\u5b78\u7684\u6280\u8853\uff0c\u53ef\u63a2\u8a0e\u690d\u7269\u5438\u6536\u785d\u9178\u9e7d\u7684\u6a5f\u5236\uff0c\u53ca\u5982\u4f55\u6709\u6548\u5229\u7528\u785d\u9178\u9e7d\u7b49\u672a\u89e3\u4e4b\u8b0e\u3002\u85c9\u7531\u4e86\u89e3\u8f49\u904b\u86cb\u767d\u7684\u4f5c\u7528\u6a5f\u5236\uff0c\u9032\u800c\u63d0\u5347\u690d\u7269\u5229\u7528\u6c2e\u80a5\u7684\u6548\u7387\uff0c\u5f9e\u6700\u5fae\u5c0f\u7684\u57fa\u56e0\u5c3a\u5ea6\uff0c\u7528\u79d1\u5b78\u65b9\u6cd5\u4f86\u6539\u5584\u8fb2\u696d\u3001\u74b0\u5883\u4ee5\u53ca\u80fd\u6e90\u7b49\u554f\u984c\u3002<\/p>\n

\"\"\u9577\u5e74\u6295\u8eab\u65bc\u7814\u7a76\u690d\u7269\u785d\u9178\u9e7d\u8f49\u904b\u86cb\u767d\uff0c\u4e2d\u7814\u9662\u5206\u5b50\u751f\u7269\u7814\u7a76\u6240\u7279\u8058\u7814\u7a76\u54e1\u8521\u5b9c\u82b3\u7684\u7814\u7a76\u6210\u679c\uff0c\u4e0d\u50c5\u520a\u767b\u65bc\u570b\u969b\u9802\u5c16\u671f\u520aCell<\/em>\u00a0\u4e2d\uff0c\u66f4\u65bc\u65e5\u524d\u7372\u9812\u81fa\u7063\u5091\u51fa\u5973\u79d1\u5b78\u5bb6\u734e\u3002\u00a0 \u651d\u5f71\u2502\u5f35\u8a9e\u8fb0<\/p>\n

\u5f9e\u5927\u5b78\u6642\u958b\u59cb\u9032\u5165\u5be6\u9a57\u5ba4\u505a\u5be6\u9a57\uff0c\u5230\u73fe\u5728\u64c1\u6709\u81ea\u5df1\u7684\u7814\u7a76\u5718\u968a\uff0c\u8521\u5b9c\u82b3\u4e5f\u5e36\u9818\u8457\u4e0b\u4e00\u500b\u4e16\u4ee3\u7e7c\u7e8c\u7814\u7a76\u3002\u5979\u5411\u6211\u5011\u5206\u4eab\u9019\u4e00\u8def\u8d70\u4f86\u7684\u9ede\u9ede\u6ef4\u6ef4\uff0c\u671b\u8457\u7a97\u5916\u4e00\u7247\u9752\u7da0\uff0c\u8521\u5b9c\u82b3\u8ac7\u8d77\u70ba\u4ec0\u9ebc\u9858\u610f\u6295\u8eab\u690d\u7269\u7684\u7814\u7a76\uff0c\u5979\u7b11\u8aaa\uff1a\u300c\u56e0\u70ba\u89ba\u5f97\u690d\u7269\u5f88\u7f8e\uff0c\u690d\u7269\u9ed8\u9ed8\u5728\u90a3\u908a\u751f\u9577\uff0c\u7121\u6028\u7121\u6094\u5730\u63d0\u4f9b\u6211\u5011\u4eba\u985e\u990a\u5206\u3002\u300d<\/p>\n

\u690d\u7269\u662f\u5982\u4f55\u5438\u6536\u785d\u9178\u9e7d\u4f5c\u70ba\u990a\u5206\uff0c\u53ca\u5176\u4e2d\u8f49\u904b\u86cb\u767d\u5982\u4f55\u904b\u4f5c\uff1f<\/strong>
\n<\/b><\/h2>\n

\u690d\u7269\u53ef\u4ee5\u5438\u6536\u7684\u5169\u7a2e\u6c2e\u6e90\u578b\u614b\u70ba\uff1a\u785d\u9178\u9e7d\u3001\u6c28\u9e7d\u3002\u4e0d\u7ba1\u662f\u65bd\u7528\u4ec0\u9ebc\u5f62\u5f0f\u7684\u6c2e\u80a5\uff0c\u571f\u58e4\u4e2d\u7684\u7d30\u83cc\u90fd\u6703\u5e6b\u5fd9\u8f49\u63db\u6210\u690d\u7269\u53ef\u4ee5\u5438\u6536\u7684\u578b\u614b\u3002\u800c\u5728\u571f\u58e4\u4e2d\uff0c\u7531\u65bc\u785d\u9178\u9e7d\u7684\u542b\u91cf\u6bd4\u8f03\u9ad8\uff0c\u6240\u4ee5\u690d\u7269\u4e3b\u8981\u662f\u5438\u6536\u785d\u9178\u9e7d\u9032\u5165\u9ad4\u5167\u4f5c\u70ba\u6c2e\u6e90\u3002<\/span><\/p>\n

\u6211\u5011\u5728\u4e09\u5341\u5e74\u524d\u5c31\u77e5\u9053\u6c2e\u80a5\u5f88\u91cd\u8981\uff0c\u4e26\u4e14\u591a\u662f\u4ee5\u785d\u9178\u9e7d\u5f62\u614b\u88ab\u690d\u7269\u5438\u6536\uff0c\u4f46\u76f8\u95dc\u7684\u7814\u7a76\u4e3b\u8981\u96c6\u4e2d\u5728\u50b3\u7d71\u751f\u7406\u63a2\u8a0e\uff0c\u4e26\u4e0d\u77e5\u9053\u5728\u9019\u500b\u6a5f\u5236\u88e1\uff0c\u690d\u7269\u9ad4\u5167\u8ca0\u8cac\u5438\u6536\u785d\u9178\u9e7d\u7684\u86cb\u767d\u662f\u4ec0\u9ebc\u3002<\/p>\n

\n

\u7d30\u80de\u819c\u662f\u901a\u5f80\u7d30\u80de\u5167\u5916\u7684\u5fc5\u7d93\u8def\u969c\u3002\u800c\u785d\u9178\u9e7d\u662f\u5e36\u96fb\u96e2\u5b50\uff0c\u7121\u6cd5\u81ea\u5df1\u901a\u904e\u7531\u8102\u8cea\u69cb\u6210\u7684\u7d30\u80de\u819c\uff0c\u5fc5\u9808\u7531\u86cb\u767d\u8cea\u7684\u5354\u52a9\u624d\u80fd\u901a\u904e\u3002<\/strong><\/h4>\n<\/blockquote>\n

1990-1993 \u5e74\uff0c\u6211\u5728\u7f8e\u570b\u505a\u535a\u58eb\u5f8c\u7684\u6642\u5019\uff0c\u690d\u7269\u7684\u5206\u5b50\u751f\u7269\u6280\u8853\u624d\u525b\u767c\u5c55\u8d77\u4f86\u3002\u5728\u90a3\u4e4b\u524d\u7684\u5be6\u9a57\u591a\u662f\u6e2c\u690d\u7269\u5438\u6536\u785d\u9178\u9e7d\u7684\u80fd\u529b\uff1b\u6216\u662f\u5728\u4e0d\u540c\u74b0\u5883\u4e0b\uff0c\u5438\u6536\u80fd\u529b\u8b8a\u5316\u7b49\u8f03\u50b3\u7d71\u7684\u751f\u7406\u5be6\u9a57\u3002\u7136\u800c\uff0c\u6211\u5011\u4ee5\u524d\u90fd\u4e0d\u77e5\u9053\uff0c\u662f\u4ec0\u9ebc\u6a23\u7684\u86cb\u767d\u8cea\u5728\u8ca0\u8cac\u785d\u9178\u9e7d\u7684\u901a\u8f38\u3002<\/p>\n

\u56e0\u70ba\u9019\u500b\u86cb\u767d\u8cea\u5f88\u96e3\u627e\uff0c\u5dee\u4e0d\u591a\u6709\u5169\u5e74\u7684\u6642\u9593\uff0c\u6211\u7d93\u5e38\u6574\u5929\u90fd\u5750\u5728\u96fb\u751f\u7406<\/a>\u5be6\u9a57\u6aaf\u4e0a\u3002\u5728\u7576\u6642\u7684\u6280\u8853\u80cc\u666f\u4e0b\uff0c\u9700\u8981\u5efa\u7acb\u65b0\u7684\u7814\u7a76\u65b9\u6cd5\u3002\u7576\u6642\u7684\u5be6\u9a57\u5ba4\u8001\u95c6\u4e5f\u66fe\u7d93\u4e00\u5ea6\u60f3\u505c\u6389\u9019\u500b\u8a08\u756b\u6848\uff0c\u64d4\u5fc3\u6211\u767d\u767d\u82b1\u8cbb\u592a\u591a\u6642\u9593\u5728\u9019\u4e0a\u982d\uff0c\u4f46\u6211\u60f3\u7684\u662f\u65e2\u7136\u90fd\u4f5c\u5230\u4e00\u534a\u4e86\uff0c\u5c31\u7e7c\u7e8c\u5805\u6301\u4e0b\u53bb\u3002<\/p>\n

\n

1994 \u5e74\u56de\u81fa\u7063\u4e4b\u5f8c\uff0c\u6211\u5011\u5718\u968a\u9678\u7e8c\u767c\u73fe\uff0c\u4f4d\u65bc\u690d\u7269\u7d30\u80de\u819c\u4e0a\u7684\u785d\u9178\u9e7d\u8f49\u904b\u86cb\u767d CHL1 \u8eab\u517c\u6578\u8077\u3002<\/strong><\/h4>\n<\/blockquote>\n

CHL1 \u86cb\u767d\u4e0d\u50c5\u8f49\u904b\u785d\u9178\u9e7d\u9032\u5165\u7d30\u80de\u5167\u9032\u884c\u904b\u7528\uff0c\u66f4\u6703\u611f\u6e2c\u571f\u58e4\u74b0\u5883\u4e2d\u7684\u785d\u9178\u9e7d\u6fc3\u5ea6\u5f8c\uff0c\u8abf\u63a7\u4e0b\u6e38\u57fa\u56e0\u8868\u73fe\u4f86\u5e6b\u52a9\u690d\u7269\u66f4\u6709\u6548\u7387\u5730\u5229\u7528\u785d\u9178\u9e7d\u3002\u900f\u904e\u7814\u7a76\u6b64\u8f49\u904b\u86cb\u767d\uff0c\u6211\u5011\u53ef\u66f4\u9032\u4e00\u6b65\u4e86\u89e3\u8fb2\u4f5c\u7269\u5229\u7528\u6c2e\u80a5\u7684\u539f\u7406\u8207\u6a5f\u5236\u3002<\/p>\n

\"\"\u4f4d\u65bc\u7d30\u80de\u819c\uff0c\u8eab\u517c\u6578\u8077\u7684\u785d\u9178\u9e7d\u8f49\u904b\u86cb\u767d CHL1 \u3002
\n\u8cc7\u6599\u4f86\u6e90\u2502C.-H. Ho, S.-H. Lin, H.-C. Hu, and Y.-F. Tsay* (2009) CHL1 Functions as a Nitrate Sensor in Plants.\u00a0Cell 138, 1184\u20131194<\/em>.<\/a>\u00a0\u5716\u8aaa\u91cd\u88fd\u2502\u6c5f\u4f69\u6d25\u3001\u5f35\u8a9e\u8fb0<\/p>\n

 <\/p>\n

\u5f9e\u65e9\u671f\u7684\u690d\u7269\u7814\u7a76\u65b9\u6cd5\uff0c\u5230\u73fe\u4eca\u7684\u5206\u5b50\u751f\u7269\u7814\u7a76\u6280\u8853\uff0c\u5982\u4f55\u5728\u9019\u985e\u7814\u7a76\u4e2d\u9032\u6b65\u3001\u6210\u9577\uff1f<\/strong><\/h2>\n

\u5728\u6709\u5206\u5b50\u751f\u7269\u6280\u8853\u4e4b\u524d\uff0c\u591a\u662f\u9032\u884c\u907a\u50b3\u5b78\u6216\u751f\u7406\u5b78\u7684\u7814\u7a76\u3002\u5f88\u65e9\u4ee5\u524d\uff0c\u8377\u862d\u7684\u7814\u7a76\u5718\u968a\u5c31\u5df2\u7d93\u627e\u5230\u7121\u6cd5\u6b63\u5e38\u5438\u6536\u785d\u9178\u9e7d\u7684\u963f\u62c9\u4f2f\u82a5\u7a81\u8b8a\u682a (mutant)\uff0c\u4e26\u958b\u59cb\u7814\u7a76\u5b83\u7684\u751f\u5316\u7279\u6027\uff0c\u78ba\u8a8d\u5b83\u5c31\u662f\u785d\u9178\u9e7d (nitrate) \u5438\u6536\u58de\u6389\u7684\u7a81\u8b8a\u682a\uff0c\u4f46\u7576\u6642\u56e0\u70ba\u6c92\u6709\u5206\u5b50\u751f\u7269\u6280\u8853\uff0c\u800c\u7121\u6cd5\u505a\u9032\u4e00\u6b65\u7814\u7a76\u3002<\/span><\/p>\n

\u6211\u5e38\u8aaa\uff0c\u5728\u6211\u5341\u6b72\u7684\u6642\u5019\u9019\u500b\u7a81\u8b8a\u682a\u5c31\u5728\u4e86\uff0c\u53ef\u662f\u56e0\u70ba\u6c92\u6709\u5206\u5b50\u751f\u7269\u5b78\u7684\u6280\u8853\uff0c\u800c\u7121\u6cd5\u78ba\u77e5\u662f\u54ea\u500b\u57fa\u56e0\u51fa\u554f\u984c\u5c0e\u81f4\u5b83\u7121\u6cd5\u5438\u6536\u785d\u9178\u9e7d\u3002<\/p>\n

\u5728 1990 \u5e74\uff0c\u5206\u5b50\u751f\u7269\u6280\u8853\u525b\u5efa\u7acb\u8d77\u4f86\uff0c\u800c\u6211\u5c31\u5229\u7528\u9019\u500b\u5de5\u5177\u53bb\u627e\u3002\u627e\u5230\u9019\u500b\u57fa\u56e0\u5f8c\uff0c\u6211\u5011\u4e5f\u958b\u59cb\u505a\u4e00\u4e9b\u5ef6\u4f38\u6027\u7814\u7a76\u3002\u7531\u65bc\u5728\u690d\u7269\u9ad4\u5167\u6709\u53e6\u5916 52 \u500b\u57fa\u56e0\u548c CHL1 \u540c\u5c6c\u4e00\u500b\u86cb\u767d\u5bb6\u65cf\uff0c\u6211\u5011\u5718\u968a\u4e5f\u9010\u4e00\u5730\u53bb\u4e86\u89e3\u5b83\u5011\u7684\u57fa\u56e0\u529f\u80fd\u3002\u7d93\u904e\u6578\u5e74\u7814\u7a76\uff0c\u4e86\u89e3\u5230\u690d\u7269\u662f\u5982\u4f55\u5438\u6536\u785d\u9178\u9e7d\u9032\u4f86\uff0c\u800c\u5f8c\u9001\u5f80\u5730\u4e0a\u90e8\uff0c\u53c8\u5982\u4f55\u5728\u4e0d\u540c\u74b0\u5883\u4e0b\u91cd\u65b0\u5206\u914d\u4e0d\u540c\u7d44\u7e54\u5167\u7684\u785d\u9178\u9e7d\u3002<\/p>\n

\n

\u6211\u5011\u767c\u73fe\uff0c\u690d\u7269\u6703\u60f3\u76e1\u5404\u7a2e\u7b56\u7565\u4f86\u78ba\u4fdd\u5e74\u8f15\u8449\u7247\u6709\u8db3\u5920\u7684\u785d\u9178\u9e7d\uff0c\u4e26\u4e14\u5728\u958b\u82b1\u7d50\u679c\u5f8c\uff0c\u690d\u7269\u4e5f\u6703\u628a\u785d\u9178\u9e7d\u8f38\u9001\u7d66\u7a2e\u5b50\u505a\u5229\u7528\u3002<\/strong><\/h4>\n<\/blockquote>\n

\u9019\u6a23\u4e00\u7cfb\u5217\u7684\u53cd\u61c9\u90fd\u88ab\u7814\u7a76\u51fa\u4f86\u5f8c\uff0c\u5c31\u53ef\u4e86\u89e3\u785d\u9178\u9e7d\u5728\u690d\u7269\u4e2d\u8f38\u9001\u7684\u5404\u7a2e\u8def\u5f91\u3002<\/p>\n

\u5c0f\u5b78\u8ddf\u4e2d\u5b78\u5e38\u8003\u7684\u4e00\u500b\u690d\u7269\u5b78\u8003\u984c\u662f\uff1a\u6839\u64da\u6559\u79d1\u66f8\u7684\u6559\u689d\uff0c\u8a8d\u70ba\u7121\u6a5f\u7684\u6c2e\u6e90(\u4f8b\u5982\u785d\u9178\u9e7d)\u53ea\u6703\u5728\u6728\u8cea\u90e8\u4e2d\u8f38\u9001\uff0c\u6709\u6a5f\u7684\u6c2e\u6e90(\u4f8b\u5982\u80fa\u57fa\u9178)\u624d\u6703\u5728\u97cc\u76ae\u90e8\u7be9\u7ba1\u4e2d\u8f38\u9001\u3002\u4f46\u662f\uff0c\u6211\u5011\u7684\u7814\u7a76\u767c\u73fe\u6559\u79d1\u66f8\u7684\u6559\u689d\u9700\u8981\u4fee\u6539\uff0c\u785d\u9178\u9e7d\u53ef\u4ee5\u5728\u97cc\u76ae\u90e8\u7be9\u7ba1\u4e2d\u8f38\u9001\uff0c\u800c\u4e14\u9019\u500b\u8f38\u9001\u6a5f\u5236\u5c0d\u690d\u7269\u7684\u751f\u9577\u5f88\u91cd\u8981\u3002<\/p>\n

\u53e6\u4e00\u90e8\u5206\uff0c\u6211\u4e5f\u5c0d\u86cb\u767d\u8cea\u7684\u8abf\u63a7\u611f\u8208\u8da3\u3002\u690d\u7269\u672c\u8eab\u6709\u5169\u7a2e\u785d\u9178\u9e7d\u7684\u5438\u6536\u7cfb\u7d71\uff0c\u5728\u571f\u58e4\u785d\u9178\u9e7d\u542b\u91cf\u5f88\u4f4e\u6642\uff0c\u8ca0\u8cac\u4f5c\u7528\u7684\u7cfb\u7d71\u70ba\u300c\u9ad8\u89aa\u548c\u6027\u7cfb\u7d71\u300d\uff1b\u5728\u571f\u58e4\u4e2d\u7684\u785d\u9178\u9e7d\u542b\u91cf\u5f88\u9ad8\u6642\uff0c\u8ca0\u8cac\u4f5c\u7528\u7684\u7cfb\u7d71\u70ba\u300c\u4f4e\u89aa\u548c\u6027\u7cfb\u7d71\u300d\u3002\u690d\u7269\u5229\u7528\u6b64\u5169\u500b\u5438\u6536\u7cfb\u7d71\u53bb\u61c9\u5c0d\u5916\u754c\u591a\u8b8a\u7684\u785d\u9178\u9e7d\u74b0\u5883\u3002<\/p>\n

\u4ee5\u524d\u79d1\u5b78\u5bb6\u90fd\u8a8d\u70ba\u9019\u662f\u5169\u500b\u7368\u7acb\u7684\u7cfb\u7d71\uff0c\u76f4\u5230 2003 \u5e74\u6211\u5011\u5be6\u9a57\u5ba4\u7684\u535a\u58eb\u73ed\u5b78\u751f\u5289\u5764\u7965\u7814\u7a76\u767c\u73fe\uff1a\u8f49\u904b\u86cb\u767d CHL1 \u53ef\u85c9\u7531\u78f7\u9178\u5316\u7684\u8f49\u63db\uff0c\u611f\u53d7\u5230\u7d30\u80de\u5916\u9762\u7684\u785d\u9178\u9e7d\u6fc3\u5ea6\u8b8a\u5316\uff0c\u4f86\u8abf\u7bc0\u81ea\u8eab\u7684\u5438\u6536\u6a21\u5f0f\u3002<\/p>\n

 <\/p>\n

\"\"(\u5de6\u5716)\u7576\u74b0\u5883\u4e2d\u785d\u9178\u9e7d\u6fc3\u5ea6\u8f03\u4f4e\u6642\uff0cCHL1 \u6703\u56e0\u78f7\u9178\u5316\uff0c\u800c\u6210\u70ba\u9ad8\u89aa\u548c\u6027\u7684\u8f49\u904b\u86cb\u767d\u3002
\n(\u53f3\u5716)\u7576\u785d\u9178\u9e7d\u6fc3\u5ea6\u8f03\u9ad8\u6642\uff0cCHL1\u5247\u88ab\u53bb\u78f7\u9178\u5316\uff0c\u4ee5\u8f49\u63db\u6210\u4f4e\u89aa\u548c\u6027\u7684\u8f49\u904b\u86cb\u767d\u3002
\n\u8cc7\u6599\u4f86\u6e90\u2502K.-H. Liu and Y.-F. Tsay*. (2003) Switching between the two action modes of the dual-affinity nitrate transporter CHL1 by phosphorylation.EMBO J.22:1005-1013.<\/em><\/a><\/p>\n

\n

\u9019\u500b\u7814\u7a76\u544a\u8a34\u6211\u5011\uff1a\u690d\u7269\u6709\u80fd\u529b\u611f\u61c9\u5916\u754c\u74b0\u5883\u7684\u785d\u9178\u9e7d\u8b8a\u5316\uff1b\u4e0d\u53ea\u662f\u8f49\u904b\u86cb\u767d\u6703\u6539\u8b8a\uff0c\u690d\u7269\u4e5f\u77e5\u9053\u6fc3\u5ea6\u4f4e\u7684\u6642\u5019\u7701\u8457\u9ede\u7528\u3001\u6fc3\u5ea6\u9ad8\u5c31\u8caf\u5b58\uff0c\u56e0\u61c9\u8b8a\u5316\u4f86\u8abf\u63a7\u57fa\u56e0\u8868\u73fe\u3002\u9019\u4e00\u7cfb\u5217\u53cd\u61c9\u5f88\u5feb\uff0c\u4e09\u5341\u5206\u9418\u5c31\u6703\u8a98\u767c\u57fa\u56e0\u8868\u73fe\u3002<\/strong><\/h4>\n<\/blockquote>\n

\u6211\u66fe\u6709\u4e00\u6b21\u807d\u690d\u7269\u9223\u96e2\u5b50\u50b3\u5c0e\u7684\u6f14\u8b1b\uff0c\u6f14\u8b1b\u8005\u8aaa\uff1a\u300c\u5be6\u9a57\u767c\u73fe\u50b7\u5bb3\u690d\u7269\u7684\u6642\u5019\uff0c\u9223\u96e2\u5b50\u7684\u8a0a\u606f\u6703\u589e\u5f37\u3002\u300d\u6240\u4ee5\u6703\u4e0d\u6703\u6709\u53ef\u80fd\u7576\u4f60\u5403\u751f\u83dc\u6c99\u62c9\u7684\u6642\u5019\uff0c\u690d\u7269\u5176\u5be6\u662f\u6703\u75db\u3001\u6709\u53cd\u61c9\u7684\uff1f\u56e0\u70ba\u5728\u81ea\u7136\u754c\u4e2d\uff0c\u690d\u7269\u4e0d\u80fd\u52d5\uff0c\u6240\u4ee5\u5b83\u5c0d\u74b0\u5883\u4e00\u5b9a\u8981\u6709\u5f88\u597d\u7684\u5075\u6e2c\u65b9\u6cd5\uff0c\u9084\u6709\u56e0\u61c9\u7b56\u7565\u3002\u4e0d\u7ba1\u7a2e\u5b50\u5728\u54ea\u88e1\u767c\u82bd\uff0c\u90fd\u8981\u60f3\u76e1\u8fa6\u6cd5\u5728\u90a3\u500b\u74b0\u5883\u4e2d\u5b58\u6d3b\u4e0b\u4f86\u3002<\/p>\n

\u904e\u5f80\u666e\u904d\u8a8d\u77e5\u6c2e\u80a5\u53ef\u5e6b\u52a9\u4f5c\u7269\u751f\u9577\u3001\u63d0\u4f9b\u7522\u91cf\uff0c\u4f46\u8fd1\u5e74\u767c\u73fe\u6c2e\u80a5\u6703\u5f71\u97ff\u751f\u614b\u3001\u4e5f\u6709\u98df\u7269\u6b98\u7559\u98a8\u96aa\u7b49\uff0c\u9019\u5982\u4f55\u80fd\u900f\u904e\u751f\u7269\u6280\u8853\u3001\u7814\u7a76\u4f86\u6539\u5584\uff1f<\/b><\/h2>\n

1950 \u5e74\u4ee3\u7684\u7da0\u8272\u9769\u547d<\/a>\u767c\u73fe\u6c2e\u80a5\u53ef\u4ee5\u8b93\u7522\u91cf\u7ffb\u500d\uff0c\u4eba\u53e3\u56e0\u6b64\u958b\u59cb\u589e\u52a0\u3002\u539f\u672c\u7684\u80a5\u6599\u662f\u53d6\u81ea\u6d77\u9ce5\u7cde\uff0c\u5f8c\u4f86\u627e\u5230\u4e86\u785d\u77f3\u7926\uff0c\u4f46\u4ecd\u662f\u4e0d\u8db3\u4ee5\u61c9\u4ed8\u9700\u6c42\uff0c\u56e0\u6b64\u5fb7\u570b\u5316\u5b78\u5bb6\u5f17\u91cc\u8328\u2027\u54c8\u4f2f (Fritz Haber<\/a>)\u627e\u5230\u65b9\u6cd5\u628a\u6c2e\u6c23\u8f49\u63db\u6210\u690d\u7269\u80fd\u61c9\u7528\u7684\u5f62\u5f0f\u3002\u4f46\u6c2e\u6c23\u7684\u9375\u7d50\u662f\u5f88\u5f37\u7684\uff0c\u8981\u6253\u65b7\u9375\u7d50\u8981\u9ad8\u6eab\u9ad8\u58d3\uff0c\u662f\u975e\u5e38\u8017\u80fd\u7684\u4e8b\uff0c\u4ee5\u81f3\u65bc\u5168\u4e16\u754c\u7d04\u6709 1~2% \u80fd\u6e90\u662f\u82b1\u8cbb\u5728\u88fd\u9020\u6c2e\u80a5\u3002<\/span><\/p>\n

\u6c2e\u80a5\u5230\u571f\u58e4\u88e1\u6703\u88ab\u7d30\u83cc\u8f49\u63db\u6210\u785d\u9178\u9e7d\uff0c\u4f46\u785d\u9178\u9e7d\u4e0d\u6613\u4fdd\u5b58\u5728\u571f\u58e4\u4e2d\uff0c\u4e0b\u96e8\u5c31\u6703\u6c96\u5237\u3001\u9032\u5165\u5230\u6c34\u5faa\u74b0\u3002\u5982\u6b64\u8017\u80fd\u751f\u7522\u7684\u6c2e\u80a5\uff0c\u65bd\u7528\u4e0b\u53bb\u7530\u9593\uff0c\u5176\u5be6\u53ea\u6709\u4e00\u534a\u6216\u5c11\u65bc\u4e00\u534a\u80fd\u5920\u88ab\u690d\u7269\u5229\u7528\u3002\u800c\u6e56\u5ddd\u6d77\u6d0b\u4e2d\u904e\u591a\u7684\u785d\u9178\u9e7d\u6703\u9020\u6210\u512a\u990a\u5316\u4f5c\u7528\uff0c\u5f62\u6210\u85fb\u83ef\u3001Dead Zone<\/a>\uff0c\u9019\u5176\u5be6\u662f\u5168\u7403\u6027\u7684\u751f\u614b\u5f71\u97ff\u3002<\/p>\n

\n

\u56e0\u6b64\uff0c\u6211\u5011\u5e0c\u671b\u60f3\u8fa6\u6cd5\u89e3\u6c7a\u9019\u500b\u554f\u984c\uff0c\u8b93\u690d\u7269\u5438\u6536\u785d\u9178\u9e7d\u7684\u6548\u7387\u597d\u4e00\u9ede\uff0c\u9032\u800c\u6e1b\u5c11\u74b0\u5883\u7684\u6c59\u67d3\u3001\u88fd\u9020\u6c2e\u80a5\u7684\u80fd\u6e90\u6d88\u8017\u3002<\/strong><\/h4>\n<\/blockquote>\n

\u6c2e\u80a5\u4f9b\u61c9\u5145\u8db3\u7684\u6642\u5019\uff0c\u785d\u9178\u9e7d\u990a\u4efd\u4e3b\u8981\u6703\u9001\u5f80\u6210\u719f\u8449\uff1b\u4f46\u5728\u7f3a\u4e4f\u6c2e\u80a5\u6642\uff0c\u690d\u7269\u6703\u628a\u5132\u5b58\u5728\u8001\u8449\u7684\u785d\u9178\u9e7d\u904b\u9001\u5230\u5ae9\u8449\u3002\u770b\u5230\u9019\u7a2e\u8f49\u79fb\u7684\u60c5\u6cc1\uff0c\u6211\u5011\u5c31\u60f3\uff1a\u5982\u679c\u80fd\u5920\u5f37\u5316\u9019\u7a2e\u8f49\u79fb\u990a\u5206\u7684\u6a5f\u5236\uff0c\u662f\u4e0d\u662f\u5c31\u80fd\u5920\u52a0\u5f37\u6c2e\u80a5\u7684\u5229\u7528\u6548\u7387\uff1f<\/p>\n

\u5982\u4e0b\u5716\uff0c\u6211\u5011\u7814\u7a76\u767c\u73fe\uff0c\u8449\u5b50\u4e2d\u6709\u4e00\u500b NRT1.7 \u57fa\u56e0\u6709\u9019\u500b\u4f5c\u7528\uff0c\u5982\u679c\u80fd\u52a0\u5f37 NRT1.7 \u7684\u57fa\u56e0\u8868\u73fe\uff0c\u6216\u662f\u6d3b\u5316\u53c3\u8207\u9019\u500b\u8f49\u79fb\u6a5f\u5236\u7684\u86cb\u767d\u8cea\u6d3b\u6027\uff0c\u5c31\u53ef\u4ee5\u63d0\u9ad8\u690d\u7269\u5229\u7528\u6c2e\u80a5\u7684\u6548\u7387\uff0c\u9032\u800c\u4fc3\u9032\u690d\u7269\u751f\u9577\u3002\u76ee\u524d\u5df2\u7d93\u5728\u963f\u62c9\u4f2f\u82a5\u5be6\u9a57\u6210\u529f\uff0c\u4e5f\u5df2\u53d6\u5f97\u81fa\u7063\u548c\u7f8e\u570b\u7684\u5c08\u5229\uff0c\u73fe\u5728\u5247\u662f\u5728\u6c34\u7a3b\u3001\u83f8\u8349\u4e0a\u9032\u884c\u8a66\u9a57\uff0c\u9019\u5176\u5be6\u662f\u500b\u5f88\u6f2b\u9577\u7684\u904e\u7a0b\uff0c\u4f46\u4e00\u65e6\u6210\u529f\uff0c\u5c0d\u65bc\u751f\u614b\u74b0\u5883\u662f\u4e00\u5927\u52a9\u76ca\u3002<\/p>\n

 <\/p>\n

\"\"\u963f\u62c9\u4f2f\u82a5\u4e2d\uff0c\u8abf\u63a7\u785d\u9178\u9e7d\u5438\u6536\u7684\u57fa\u56e0 NRT1.11, NRT1.12 \u548c NRT1.7 \uff0c\u900f\u904e\u4e0d\u540c\u8def\u5f91\u990a\u8b77\u5ae9\u8449\u3002
\n\u8cc7\u6599\u4f86\u6e90\u2502Ya-Yun Wang\u2217, Yu-Hsuan Cheng\u2217, Kuo-En Chen and Yi-Fang Tsay (2018) Nitrate Transport, Signaling, and Use Efficiency.\u00a0Annu. Rev. Plant Biol. 69:27.1\u201327.38.<\/em>\u3001S.-C. Fan, C.-S. Lin, P.-K. Hsu, S.-H. Lin, and Y.-F. Tsay* (2009) The Arabidopsis Nitrate Transporter NRT1.7, Expressed in Phloem, Is Responsible for Source-to-Sink Remobilization of Nitrate.\u00a0Plant Cell 21: 2750\u20132761.<\/em><\/a><\/b><\/p>\n

\u5c0d\u6211\u4f86\u8aaa\uff0c\u8981\u4e00\u76f4\u7528\u65b0\u7684\u6280\u8853\u4f86\u56de\u7b54\u65b0\u7684\u554f\u984c\uff0c\u56e0\u70ba\u65b0\u7684\u6280\u8853\u4e00\u5b9a\u80fd\u5920\u8b93\u554f\u984c\u7684\u7b54\u6848\u66f4\u6df1\u5165\uff0c\u4f46\u6211\u8a8d\u70ba\u6700\u91cd\u8981\u7684\u9084\u662f\u627e\u5230\u4f60\u8981\u554f\u7684\u554f\u984c\u3002\u800c\u6211\u6700\u60f3\u554f\u7684\u554f\u984c\u662f\uff1a\u690d\u7269\u662f\u5982\u4f55\u53bb\u8655\u7406\u5b83\u7684\u990a\u5206\uff0c\u4f86\u505a\u5b83\u6700\u597d\u7684\u751f\u9577\u53cd\u61c9\uff1f\u7814\u7a76\u904e\u7a0b\u4e2d\u7d93\u5e38\u89e3\u6c7a\u4e86\u4e00\u500b\u554f\u984c\u5f8c\uff0c\u9084\u6703\u6709\u4e0b\u500b\u554f\u984c\u3002<\/p>\n

\n

\u6211\u4e00\u76f4\u559c\u6b61\u690d\u7269\u7814\u7a76\u7684\u4e00\u500b\u7279\u8272\u662f\uff0c\u4f60\u53ef\u4ee5\u5f9e\u5206\u5b50\u751f\u7269\u7684\u5c3a\u5ea6\u3001\u5230\u6574\u682a\u690d\u7269\u7684\u751f\u7406\u53bb\u63a2\u7d22\u4f60\u7684\u554f\u984c\u7684\u7b54\u6848\uff0c\u4e26\u767c\u73fe\u9019\u4e00\u5207\u90fd\u76f8\u4e92\u547c\u61c9\u3002<\/strong><\/h4>\n<\/blockquote>\n

\u56e0\u70ba\u592a\u5c08\u6ce8\u65bc\u5206\u5b50\u751f\u7269\u5c64\u9762\u7684\u6771\u897f\uff0c\u6709\u6642\u5019\u662f\u7d30\u5fae\u5230\u53ea\u770b\u5230\u86cb\u767d\u8cea\u7684\u4ea4\u4e92\u4f5c\u7528\uff0c\u4f46\u9019\u6a23\u7d30\u5fae\u4f5c\u7528\u5982\u4f55\u5f71\u97ff\u5230\u6574\u500b\u4f5c\u7269\u7684\u751f\u9577\uff0c\u751a\u81f3\u662f\u6700\u5f8c\u5230\u8fb2\u696d\u7684\u7522\u91cf\uff0c\u9019\u662f\u6211\u6700\u611f\u8208\u8da3\u7684\u3002<\/p>\n

\u7576\u521d\u70ba\u4f55\u6703\u6295\u5165\u690d\u7269\u3001\u79d1\u5b78\u7684\u7814\u7a76\uff1f<\/b><\/h2>\n

\u6211\u89ba\u5f97\u6295\u5165\u7814\u7a76\u7684\u91cd\u9ede\u662f\u300c\u597d\u5947\u300d\u3002\u4f60\u4e00\u5b9a\u8981\u6709\u597d\u5947\u5fc3\uff0c\u6703\u60f3\u8ffd\u6c42\u4e00\u4e9b\u65b0\u554f\u984c\u7684\u7b54\u6848\u3002\u4e00\u540d\u79d1\u5b78\u5bb6\u5fc5\u9808\u8981\u6709\u597d\u5947\u5fc3\uff0c\u540c\u6642\u4e5f\u9700\u8981\u6709\u4f60\u7684\u908f\u8f2f\u601d\u8003\u80fd\u529b\u53bb\u5c0b\u6c42\u7b54\u6848\u3002<\/span><\/p>\n

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