{"id":15430,"date":"2019-04-20T00:00:50","date_gmt":"2019-04-19T16:00:50","guid":{"rendered":"http:\/\/swarma.org\/?p=15430"},"modified":"2019-05-04T21:23:52","modified_gmt":"2019-05-04T13:23:52","slug":"de4f7cbe9d","status":"publish","type":"post","link":"https:\/\/swarma.org\/?p=15430","title":{"rendered":"\u4e3a\u4f55\u771f\u6838\u751f\u7269\u5982\u6b64\u591a\u6837\uff1f\u56e0\u4e3a\u7956\u5148\u5c31\u5f62\u8272\u5404\u5f02\uff01"},"content":{"rendered":"
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\u7f16\u8bd1\uff1a<\/span>\u96c6\u667a\u4ff1\u4e50\u90e8\u7ffb\u8bd1\u7ec4<\/span><\/p>\n

\u6765\u6e90\uff1aquantamagazine<\/span><\/p>\n

\u539f\u9898\uff1a<\/span><\/p>\n

Researchers Rethink the Ancestry of Complex Cells<\/span><\/p>\n<\/section>\n<\/section>\n<\/blockquote>\n

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\u771f\u6838\u751f\u7269\u7684\u7956\u5148\uff1a<\/strong><\/span><\/p>\n

\u4ece\u7ebf\u7c92\u4f53\u53d1\u5c55\u65b0\u7406\u8bba\u8bf4\u8d77<\/span><\/strong><\/span><\/p>\n

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\u7531\u4e8e\u5355\u7ec6\u80de\u5f62\u5f0f\u7684\u751f\u7269\u60f3\u8981\u4ee5\u5316\u77f3\u5f62\u6001\u4fdd\u5b58\u5f02\u5e38\u8270\u96be\uff0c\u6211\u4eec\u7f3a\u4e4f\u5316\u77f3\u8bc1\u636e\uff0c\u4ee5\u53ca\u8fd9\u4e24\u4e2a\u7269\u79cd\u90fd\u5b58\u5728\u6c34\u5e73\u7684\u57fa\u56e0\u4ea4\u6362\uff08\u540c\u4ee3\u95f4\u7684\u57fa\u56e0\u4ea4\u6362\uff0c\u4e0e\u4eb2\u4ee3\u5b50\u4ee3\u4e4b\u95f4\u7684\u9057\u4f20\u4fe1\u606f\u5782\u76f4\u4f20\u9012\u76f8\u5bf9\u5e94\uff09<\/span>\uff0c\u8fd9\u4f7f\u5f97\u57fa\u56e0\u7ec4\u5386\u53f2\u5206\u6790\u5de5\u4f5c\u6781\u4e3a\u590d\u6742\u3002<\/p>\n<\/p>\n

\u4e00\u4e9b\u201c\u4e0d\u5408\u7fa4\u201d<\/span>\u7684\u53e4\u7ec6\u83cc\u7ec6\u80de\u4ece\u5176\u4ed6\u7ec6\u80de\u4e2d\u5206\u79bb\u51fa\u6765\uff0c\u6784\u5efa\u4e86\u771f\u6838\u751f\u7269\u8fd9\u4e2a\u5168\u65b0\u7684\u751f\u7269\u5206\u652f\u3002\u8fd9\u5c31\u662f\u6211\u4eec\u6240\u77e5\u7684\u771f\u6838\u751f\u7269\u8d77\u6e90\u7684\u6545\u4e8b\u4e86\u3002<\/p>\n

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\u4ece\u6839\u672c\u4e0a\u6765\u8bf4\uff0c\u6211\u4eec\u81ea\u5df1\u5c31\u662f\u4e00\u56e2\u975e\u5e38\u5947\u602a\u7684\u53e4\u7ec6\u83cc\u3002<\/span><\/p>\n

\u2014\u2014 \u6ce2\u5c14\u591a\u5927\u5b66\u548c\u6089\u5c3c\u5927\u5b66\u7684\u751f\u7269\u5b66\u54f2\u5b66\u5bb6 Maureen O\u2019Malley<\/span><\/p>\n<\/section>\n<\/section>\n<\/blockquote>\n

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\u751f\u7269\u5b66\u54f2\u5b66\u5bb6 Maureen O\u2019Malley \u5bf9\u771f\u6838\u751f\u7269\u7684\u8fdb\u5316\u8fc7\u7a0b\u4fdd\u6301\u7740\u5f00\u653e\u7684\u6001\u5ea6\u3002<\/span><\/strong>\u5979\u8ba4\u4e3a\uff1a<\/span><\/strong>\u57fa\u4e8e\u5df2\u77e5\u7684\u771f\u6838\u751f\u7269\u7684\u591a\u6837\u6027\uff0c\u8fd9\u4e9b\u751f\u7269\u7684\u5171\u540c\u7956\u5148\u201c\u4e0d\u53ef\u80fd\u662f\u67d0\u4e2a\u5355\u4e00\u7684\u7ec6\u80de\u201c\u3002<\/span><\/strong><\/p>\n<\/p>\n

\u627e\u51fa\u771f\u6838\u751f\u7269\u7684\u9996\u4f4d\u5171\u540c\u7956\u5148\uff08first eukaryotic common ancestor\uff0c FECA\uff09<\/span><\/strong>\u4f1a\u662f\u4e00\u573a\u8270\u96be\u7684\u6597\u4e89\u3002\u6bd4\u5982\u8bf4\uff0c\u8fd9\u79cd\u7ec6\u80de\u8fd8\u6ca1\u6709\u5f62\u6210\u7ec6\u80de\u6838\u3002\u5b83\u6ca1\u6709\u80fd\u5c06\u7cd6\u7c7b\u7b49\u5206\u5b50\u8f6c\u53d8\u4e3a\u66f4\u76ca\u4e8e\u4ee3\u8c22\u7684\u80fd\u91cf\u5f62\u5f0f\u7684\u7ebf\u7c92\u4f53\uff0c\u5b83\u751a\u81f3\u6ca1\u6709\u5fae\u7ba1\u2014\u2014\u771f\u6838\u7ec6\u80de\u4e2d\u7684\u4e00\u79cd\u9aa8\u67b6\u72b6\u7684\u86cb\u767d\u8d28\u7ed3\u6784\uff0c\u80fd\u591f\u5206\u5272\u7ec6\u80de\u5185\u7684\u7a7a\u95f4\uff0c\u4f7f\u5f97\u7269\u8d28\u80fd\u66f4\u7cbe\u51c6\u6709\u6548\u7684\u8fd0\u9001\u5230\u9700\u8981\u7684\u5730\u65b9\u3002<\/p>\n<\/p>\n

\u6ca1\u6709\u4eba\u77e5\u9053\u771f\u6838\u751f\u7269\u5982\u4f55\u5177\u6709\u4e86\u8fd9\u79cd\u522b\u7684\u751f\u547d\u5f62\u6001\u6240\u4e0d\u5177\u5907\u7684\u5171\u6709\u7279\u5f81\u3002\u6839\u636e\u4e0a\u5468\u7684 Nature Microbiology \u62a5\u5230\uff0c\u7531\u6b27\u6d32\u4e0e\u7f8e\u56fd\u7814\u7a76\u9662\u6240\u7ec4\u6210\u7684\u7814\u7a76\u56e2\u961f\u63d0\u51fa\u4e86\u4e00\u4e2a\u8fdb\u5316\u751f\u7269\u5b66\u91cc\u7a0b\u7891\u7814\u7a76\u7ed3\u679c\u2014\u2014\u7ebf\u7c92\u4f53\u53d1\u5c55\u7684\u65b0\u7406\u8bba<\/span><\/strong>\u3002\u51e0\u5341\u5e74\u4ee5\u6765\u7814\u7a76\u8005\u5df2\u7ecf\u5f97\u77e5\u6709\u4e00\u79cd\u7ec6\u83cc\u6210\u4e3a\u4e86\u53e4\u7ec6\u83cc\u7684\u5185\u90e8\u5171\u751f\u4f53\uff0c\u7ebf\u7c92\u4f53\u5c31\u6765\u81ea\u8fd9\u79cd\u7ec6\u83cc\u3002\u4f46\u662f\u7814\u7a76\u8005\u5e76\u4e0d\u77e5\u9053\u8fd9\u4e2a\u8fc7\u7a0b\u7684\u5177\u4f53\u7ec6\u8282\u3002<\/p>\n<\/p>\n

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\u8bba\u6587\u9898\u76ee\uff1a<\/span><\/p>\n

Proposal of the reverse flow model for the origin of the eukaryotic cell based on comparative analyses of Asgard archaeal metabolism<\/span><\/p>\n

\u8bba\u6587\u5730\u5740\uff1a<\/span><\/p>\n

https:\/\/www.nature.com\/articles\/s41564-019-0406-9<\/span><\/p>\n<\/section>\n<\/section>\n<\/blockquote>\n

\u8377\u5170\u7687\u5bb6\u6d77\u6d0b\u7814\u7a76\u6240\u7684\u5fae\u751f\u7269\u751f\u6001\u5b66\u5bb6 Anja Spang\u3001\u745e\u5178\u4e4c\u666e\u8428\u62c9\u5927\u5b66\u7814\u7a76\u57fa\u56e0\u7ec4\u8fdb\u5316\u7684\u5fae\u751f\u7269\u5b66\u5bb6 Thijs Ettema \u548c\u4ed6\u4eec\u7684\u540c\u4e8b\u901a\u8fc7\u89c2\u5bdf Asgard \u53e4\u7ec6\u83cc\u4ee3\u8c22\u80fd\u529b\u5f97\u5230\u4e86\u7ebf\u7d22\u3002Asgard \u53e4\u7ec6\u83cc\u662f\u51e0\u5e74\u524d\u624d\u88ab\u53d1\u73b0\u7684\u4e00\u4e2a\u603b\u95e8\uff0c\u901a\u5e38\u8ba4\u4e3a Asgard \u53e4\u7ec6\u83cc\u4e0e\u771f\u6838\u751f\u7269\u6700\u4e3a\u63a5\u8fd1\u3002<\/p>\n<\/p>\n

\u56e0\u6b64\u79d1\u5b66\u5bb6\u5f97\u51fa\u4e86\u7ed3\u8bba\uff0c\u7ebf\u7c92\u4f53\u7684\u8bde\u751f\u53ef\u80fd\u6765\u6e90\u4e8e\u53e4\u7ec6\u83cc\u4e0e\u03b1-\u53d8\u5f62\u83cc\u5171\u751f\u3002\u8574\u542b\u7740\u67d0\u4e9b\u5c0f\u5206\u5b50\u7684\u53e4\u7ec6\u83cc\u4ea7\u751f\u7684\u4ee3\u8c22\u5e9f\u7269\u8574\u542b\u6c22\u548c\u6c22\u79bb\u5b50\uff0c\u8fd9\u4e9b\u7269\u8d28\u88ab\u7ec6\u83cc\u5229\u7528\uff0c\u4ece\u800c\u83cc\u5b55\u80b2\u51fa\u4e86\u7ebf\u7c92\u4f53\u3002\uff08\u8fd9\u4e2a\u6a21\u5f0f\u88ab\u79f0\u4e3a\u9006\u5411\u6d41\u52a8\u6a21\u578b<\/strong>\uff0c\u56e0\u4e3a\u6839\u636e\u4ee5\u524d\u7684\u7406\u8bba\u7814\u7a76\uff0c\u662f\u7ec6\u83cc\u627f\u62c5\u4e86\u4e3a\u53e4\u7ec6\u83cc\u63d0\u4f9b\u6c22\u7684\u89d2\u8272\u3002\uff09<\/span><\/p>\n<\/p>\n

\n

\"\u96c6\u667a\"<\/p>\n<\/section>\n

\u5173\u4e8e\u7ebf\u7c92\u4f53\u8d77\u6e90\u7684\u65b0\u601d\u8003\u3002<\/span><\/strong>\u901a\u5e38\u8ba4\u4e3a\u7ebf\u7c92\u4f53\u662f\u7531\u539f\u6838\u7ec6\u80de\u4e0e\u4e00\u79cd\u53e4\u7ec6\u83cc\u7684\u5171\u751f\u5173\u7cfb\u4e2d\u8fdb\u5316\u800c\u6765\uff0c\u7136\u800c\u6700\u65b0\u7684\u7814\u7a76\u8868\u660e\uff0c\u4ee5\u524d\u5bf9\u8fd9\u79cd\u201c\u5171\u751f\u5173\u7cfb\u8d77\u6e90\u201d\u7684\u601d\u8003\u53ef\u80fd\u662f\u9519\u8bef\u7684<\/span><\/strong>\uff0c\u5e76\u4e14\u5176\u4ed6\u7ec6\u83cc\u7684\u9057\u4f20\u57fa\u56e0\u5bf9\u7ebf\u7c92\u4f53\u7684\u8fdb\u5316\u4e5f\u8d77\u5230\u4e86\u4f5c\u7528\u3002<\/span><\/strong><\/p>\n<\/p>\n

Spang \u548c Ettema \u5728\u4e00\u5c01\u90ae\u4ef6\u4e2d\u8fd9\u6837\u89e3\u91ca\u8fd9\u4ef6\u4e8b\u60c5\uff1a\u201c\u8fd9\u6837\u7684\u5173\u8054\u5bf9\u4e00\u4e9b\u5c0f\u6709\u673a\u8d28\u7684\u751f\u957f\u66f4\u4e3a\u6709\u5229\u201d\u3002\u4e00\u4e9b\u5728\u65e0\u6c27\u6761\u4ef6\u4e0b\u751f\u5b58\u5e76\u4ee3\u8c22\u78b3\u6c22\u5316\u5408\u7269\u7684\u73b0\u4ee3\u53e4\u83cc\u5c31\u662f\u4f9d\u9760\u7ec6\u83cc\u6765\u63a5\u53d7\u5b83\u4eec\u7684\u7535\u5b50\u3002\u201c\u771f\u6838\u751f\u7269\u7684\u53e4\u7ec6\u83cc\u7956\u5148\u53ef\u80fd\u5c31\u5177\u5907\u7c7b\u4f3c\u7684\u76f8\u4e92\u4f5c\u7528\u201d\u3002<\/p>\n<\/p>\n

\u968f\u7740\u65f6\u95f4\u7684\u63a8\u79fb\uff0c\u5176\u4ed6\u7ec6\u83cc\u57fa\u56e0\u7684\u6a2a\u5411\u4ea4\u6362\u80fd\u4e3a\u6211\u6240\u719f\u77e5\u7684\u7ebf\u7c92\u4f53\u63d0\u4f9b\u66f4\u591a\u7684\u529f\u80fd\u3002\u540c\u65f6\uff0c\u53e4\u7ec6\u83cc\u7684\u5bbf\u4e3b\u548c\u53e4\u7ec6\u83cc\u7684\u5171\u751f\u83cc\u4e4b\u95f4\u4e5f\u4f1a\u53d1\u751f\u57fa\u56e0\u4ea4\u6362\uff0c\u5e76\u4e14\u591a\u4f59\u7684\u57fa\u56e0\u4f1a\u88ab\u9057\u5f03\uff0c\u8fd9\u4f7f\u5f97\u539f\u672c\u5206\u79bb\u7684\u5171\u751f\u7ec6\u80de\u7ed3\u6210\u4e86\u4e00\u4e2a\u7edf\u4e00\u7684\u771f\u6838\u7ec6\u80de<\/span>\u3002<\/p>\n<\/p>\n

\u7814\u7a76\u4eba\u5458\u8ba4\u4e3a\u5c3d\u7ba1\u8fd9\u4e00\u7406\u8bba\u80fd\u591f\u89e3\u91ca\u7ebf\u7c92\u4f53\u7684\u8d77\u6e90\uff0c\u4f46\u5e76\u6ca1\u89e3\u91ca\u5176\u4ed6\u91cd\u8981\u7684\u7ec6\u80de\u5668\u7684\u8d77\u6e90\u3002Spang \u548c Ettema \u5199\u5230\uff1a\u201c\u6309\u7406\u8bf4\uff0c\u4e00\u65e6\u7ec6\u80de\u6838\u8fdb\u5316\u51fa\u6765\uff0c\u6211\u4eec\u5c31\u7528\u771f\u6838\u7ec6\u80de\u8fd9\u4e2a\u8bcd\u3002\u4f46\u76ee\u524d\u6211\u4eec\u5e76\u4e0d\u6e05\u695a\u7ebf\u7c92\u4f53\u4e0e\u7ec6\u80de\u6838\u4e8c\u8005\u51fa\u73b0\u7684\u65f6\u95f4\u5148\u540e\u987a\u5e8f\u3002\u201d\u4ed6\u4eec\u8ba4\u4e3a\u5982\u679c\u53e4\u7ec6\u83cc\u5728\u4e0e\u03b1\u53d8\u5f62\u83cc\u5171\u751f\u4e4b\u524d\u5c31\u5177\u5907\u4e86\u771f\u6838\u751f\u7269\u7684\u7279\u5f81\uff0c\u53ef\u80fd\u4f1a\u5bf9\u8fd9\u79cd\u8f6c\u53d8\u66f4\u6709\u5229\u3002\u4f8b\u5982\uff0c\u808c\u52a8\u86cb\u767d\u7684\u7ea4\u7ef4\u53ef\u4ee5\u8ba9\u5bbf\u4e3b\u548c\u5171\u751f\u4f53\u4e4b\u95f4\u7684\u7ed3\u5408\u66f4\u7262\u56fa\uff0c\u4ece\u800c\u8ba9\u4e8c\u8005\u95f4\u7684\u4ee3\u8c22\u8026\u5408\u7684\u66f4\u597d\u3002<\/p>\n

\n<\/p>\n
\n
\n
<\/p>\n

\u6700\u8fd1\u5171\u540c\u7956\u5148\uff1a<\/strong><\/span><\/p>\n

\u5355\u4e2a\u7ec6\u80de\u8fd8\u662f\u7ec6\u80de\u65cf\u7fa4\uff1f<\/span><\/strong><\/span><\/p>\n

<\/strong><\/section>\n<\/section>\n<\/section>\n<\/section>\n

\u603b\u7684\u6765\u8bf4\uff0c\u771f\u6838\u7ec6\u80de\u7684\u8d77\u6e90\u4ecd\u7136\u8499\u7740\u4e00\u5c42\u795e\u79d8\u7684\u9762\u7eb1\uff0c\u8fd9\u662f\u56e0\u4e3a\u73b0\u4eca\u4e16\u754c\u4e0a\u5b58\u6d3b\u7684\u771f\u6838\u751f\u7269\u90fd\u5df2\u7ecf\u662f\u975e\u5e38\u590d\u6742\u7684\u6709\u673a\u4f53\u4e86\u3002\u51fa\u4e8e\u6211\u4eec\u6240\u4e0d\u77e5\u9053\u7684\u539f\u56e0\uff0cFECA \u6210\u4e3a\u4e86\u6240\u6709\u771f\u6838\u751f\u7269\u7684\u6700\u8fd1\u5171\u540c\u7956\u5148\uff08last eukaryotic common ancestor\uff0cLECA\uff09<\/strong><\/span>\u3002<\/p>\n<\/p>\n

LECA \u662f\u5176\u4ed6\u4e00\u5207\u4ecd\u7136\u5b58\u6d3b\u4e0e\u5df2\u7ecf\u706d\u7edd\u7684\u771f\u6838\u751f\u7269\u7684\u7956\u5148\u2014\u2014\u751a\u81f3\u4e5f\u5305\u542b\u6211\u4eec\u5c1a\u672a\u53d1\u73b0\u7684\u7269\u79cd\u3002\u76f8\u6bd4\u4e8e FECA\uff0cLECA \u5c31\u6bd4\u8f83\u5bb9\u6613\u7422\u78e8\u4e86\uff0c\u56e0\u4e3a\u5b83\u53ef\u80fd\u4e0e\u73b0\u4eca\u5b58\u5728\u7684\u4e00\u4e9b\u771f\u6838\u5fae\u751f\u7269\u7c7b\u4f3c\u3002\u65b0\u65af\u79d1\u820d\u7701\u8fbe\u5c14\u8c6a\u65af\u5927\u5b66\u7684\u5206\u5b50\u751f\u7269\u5b66\u5bb6 W. Ford Doolittle \u8bf4\uff1a\u201c\u4e8b\u5b9e\u8868\u660e\uff0c\u6240\u6709\u6709\u7ec6\u80de\u6838\u7684\u751f\u7269\u90fd\u6709\u7ebf\u7c92\u4f53\u3001\u9ad8\u5c14\u57fa\u4f53\u548c\u5176\u4ed6\u4e1c\u897f\u3002\u53ef\u4ee5\u8bf4\uff0cLECA \u5df2\u7ecf\u662f\u4e00\u4e2a\u76f8\u5f53\u590d\u6742\u7684\u771f\u6838\u7ec6\u80de\u4e86\u3002\u201d<\/p>\n<\/p>\n

\u5b9e\u9645\u4e0a\uff0cLECA \u7684\u7ed3\u6784\u88ab\u8ba4\u4e3a\u662f\u975e\u5e38\u76f4\u89c2\u7684 \uff0c\u4ee5\u81f3\u4e8e\u6709\u4eba\u8ba4\u4e3a\u5b83\u65e0\u804a\u900f\u9876\u3002\u65b0\u897f\u5170\u5965\u514b\u5170\u5927\u5b66\u7684\u5206\u5b50\u8fdb\u5316\u5b66\u8005 Anthony Poole \u8bf4\uff1a\u201c\u538b\u6839\u5c31\u4e0d\u4f1a\u6709\u4eba\u613f\u610f\u52b3\u795e\u8d39\u529b\u5730\u53bb\u4e89\u8bba LECA \u7684\u672c\u8d28\u3002\u201d<\/p>\n<\/p>\n

\u4e0d\u8fc7\uff0c\u5173\u4e8e LECA \u7684\u4e89\u8bba\u8fd8\u662f\u5b58\u5728\u7684\uff0c\u56e0\u4e3a LECA \u901a\u5e38\u88ab\u89c6\u4e3a\u4e00\u4e2a\u7ec6\u80de\uff0c\u6240\u6709\u771f\u6838\u7ec6\u80de\u751f\u7269\u7684\u5355\u4e00\u7956\u5148\u3002\u4f46 O’Malley \u8ba4\u4e3a\u8fd9\u662f\u9519\u8bef\u7684\u2014\u2014LECA \u4e0d\u53ef\u80fd\u662f\u4e00\u4e2a\u5355\u4e00\u7684\u7ec6\u80de\uff0c\u5979\u8ba4\u4e3a\u4eba\u4eec\u628a\u8c31\u7cfb\u60f3\u8c61\u7684\u592a\u7b80\u5355\u4e86\uff0c\u5e76\u6df7\u6dc6\u4e86\u8840\u7edf\uff08ancestry \uff0c\u6307\u7fa4\u4f53\u5c42\u9762\uff09\u548c\u7956\u5148\uff08ancestors\uff0c\u6307\u4e2a\u4f53\u5c42\u9762\uff09\u7684\u533a\u522b\u3002<\/span>\u8c31\u7cfb\u5b66\u601d\u60f3\u4ec5\u4ec5\u662f\u628a\u6240\u6709\u5206\u5316\u51fa\u6765\u7684\u8c31\u7cfb\u8fde\u56de\u5230\u5355\u7ec6\u80de\u8c31\u7cfb\u3002<\/p>\n<\/p>\n

\u5728 Nature Ecology & Evolution \u7684\u4e00\u7bc7\u8bba\u6587\u4e2d\uff0cO’Malley \u548c\u5979\u7684\u540c\u4e8b\u8c08\u5230\u4e86\u4e00\u4e2a\u63a8\u65ad\uff1a\u5982\u679c LECA \u4e0d\u662f\u4e00\u4e2a\u5355\u4e00\u7ec6\u80de\uff0c\u800c\u662f\u4e00\u4e2a\u771f\u771f\u5207\u5207\u7684\u5177\u5907\u9057\u4f20\u591a\u6837\u6027\u7ec6\u80de\u7fa4\u4f53\uff0c\u90a3\u4e48\u8fd9\u4e9b\u7ec6\u80de\u4e2d\u7684\u6bcf\u4e00\u4e2a\u7ec6\u80de\u90fd\u4e0d\u5177\u5907\u4eca\u5929\u771f\u6838\u7ec6\u80de\u7684\u5168\u90e8\u7279\u5f81\u3002<\/p>\n<\/p>\n

O’Malley \u8bf4\uff1a\u201c\u6211\u4eec\u6240\u63d0\u5230\u7684 LECA\uff0c\u6307\u7684\u662f\u4e00\u4e2a\u7956\u5148\u7684\u7fa4\u4f53\uff0c\u4e00\u4e2a\u6211\u4eec\u8ba4\u4e3a\u4e0d\u662f\u5355\u4e2a\u7ec6\u80de\u7684\u57fa\u56e0\u7ec4\u3002\u201d<\/p>\n<\/p>\n

\n
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\u8bba\u6587\u9898\u76ee\uff1a<\/span><\/p>\n

Concepts of the last eukaryotic common ancestor<\/span><\/p>\n

\u8bba\u6587\u5730\u5740\uff1a<\/span><\/p>\n

https:\/\/www.nature.com\/articles\/s41559-019-0796-3<\/span><\/p>\n<\/section>\n<\/section>\n<\/blockquote>\n

\u8bba\u6587\u7684\u5408\u8457\u8005 Leger \u89e3\u91ca\u9053\uff1a\u201c\u81f4\u529b\u4e8e\u91cd\u5efa LECA \u7684\u7814\u7a76\u8005\u5982\u4f55\u770b\u5f85 LECA\uff1f\u4ed6\u4eec\u80fd\u5426\u6784\u60f3\u51fa\u4e00\u4e9b\u9057\u4f20\u53d8\u5f02\u7684\u5047\u8bbe\u53bb\u89e3\u91ca\u89c2\u6d4b\u5230\u7684\u73b0\u8c61\uff1f\u6211\u4eec\u8fd9\u7bc7\u8bba\u6587\u771f\u6b63\u60f3\u505a\u7684\u53ea\u662f\u63a2\u8ba8\u8fd9\u4e24\u4e2a\u95ee\u9898\u3002\u201d<\/p>\n<\/p>\n

O’Malley\uff0cLeger \u548c\u4ed6\u4eec\u7684\u540c\u4e8b\u8ba4\u4e3a\uff1a\u5982\u679c\u8981\u771f\u6b63\u7406\u89e3 LECA \u5e76\u89e3\u7801\u5b83\u7684\u57fa\u56e0\u7ec4\uff0c\u4ee5\u6b64\u6765\u66f4\u5168\u9762\u7684\u7406\u89e3\u771f\u6838\u751f\u7269\uff0c\u6211\u4eec\u9700\u8981\u660e\u767d\u53e4\u8001\u7684\u79cd\u7fa4\u662f\u4ec0\u4e48\u6837\u5b50\u7684\u3002<\/p>\n<\/p>\n

\n<\/p>\n
\n
\n
<\/p>\n

\u6cdb\u57fa\u56e0\u7ec4\u4e0eLECA\u91cd\u5efa<\/span><\/strong><\/span><\/p>\n

<\/strong><\/section>\n<\/section>\n<\/section>\n<\/section>\n

\u8bfa\u4e01\u6c49\u5927\u5b66\u7684 Bill Wickstead \u548c\u4ed6\u7684\u540c\u4e8b\u4eec\u4e5f\u5728\u8bd5\u56fe\u91cd\u5efa LECA\u3002\u4ed6\u4eec\u81f4\u529b\u4e8e\u91cd\u5efa\u86cb\u767d\u8d28\u7ec4\uff0c\u5373 LECA \u53ef\u80fd\u5236\u9020\u7684\u5168\u90e8\u86cb\u767d\u8d28\u96c6\u5408\uff0c\u4ece\u4e0d\u540c\u7684\u771f\u6838\u8c31\u7cfb\u4e2d\u63d0\u53d6\u57fa\u56e0\u7ec4\u548c\u86cb\u767d\u8d28\u7ec4\uff0c\u5e76\u7528\u7edf\u8ba1\u5b66\u65b9\u6cd5\u6765\u786e\u5b9a\u54ea\u4e9b\u7279\u5f81\u6700\u6709\u53ef\u80fd\u51fa\u73b0\u5728\u4ed6\u4eec\u7684\u5171\u540c\u7956\u5148\u4e2d\uff0c\u54ea\u4e9b\u7279\u5f81\u662f\u72ec\u7acb\u8fdb\u5316\u51fa\u6765\u7684\uff0c\u800c\u54ea\u4e9b\u53c8\u662f\u5728\u8c31\u7cfb\u4e2d\u6c34\u5e73\u4f20\u9012\u7684\uff08\u5373\u57fa\u56e0\u6765\u6e90\u4e8e\u5176\u4ed6\u8c31\u7cfb\uff09<\/span><\/span>\u3002<\/p>\n<\/p>\n

\u8bf8\u5982\u6b64\u7c7b\u7684\u5206\u5b50\u751f\u7269\u5b66\u5de5\u4f5c\u4e3a\u63ed\u5f00 LECA \u7684\u9762\u7eb1\u5e26\u6765\u4e86\u6700\u5927\u7684\u5e0c\u671b\u3002<\/p>\n<\/p>\n

Wickstead \u8ba4\u4e3a\uff0c\u8fd9\u4e2a\u65b9\u6cd5\u7684\u5173\u952e\u5728\u4e8e\u7956\u5148\u86cb\u767d\u8d28\u7ec4\u548c\u57fa\u56e0\u7ec4\u5230\u5e95\u662f\u5b58\u5728\u4e8e\u4e00\u4e2a\u7ec6\u80de\u4e2d\uff1f\u8fd8\u662f\u5206\u5e03\u5728\u4e00\u7fa4\u7ec6\u80de\u4e2d\uff1f\u4e0d\u8fc7\u8fd9\u4e0d\u5f71\u54cd\u8be5\u7c7b\u9879\u76ee\u7684\u8fdb\u7a0b\uff0c\u8fd9\u4e2a\u5de5\u4f5c\u662f\u5728\u505a\u57fa\u56e0\u6570\u636e\u7684\u7edf\u8ba1\u63a8\u65ad\uff0c\u5e76\u4e0d\u662f\u8ffd\u6eaf\u7ec6\u80de\u5206\u88c2\u8fc7\u7a0b\u3002<\/p>\n<\/p>\n

\n

\"\u96c6\u667a\"<\/p>\n<\/section>\n

\u897f\u73ed\u7259\u5df4\u585e\u7f57\u90a3\u8fdb\u5316\u751f\u7269\u5b66\u7814\u7a76\u6240\u7684\u535a\u58eb\u540e Michelle Leger \u8ba4\u4e3a\uff1a<\/span><\/strong>\u6709\u4e86\u73b0\u4ee3\u57fa\u56e0\u6d4b\u5e8f\u6280\u672f\uff0c\u4f7f\u5f97\u63a2\u7d22\u751f\u547d\u65e9\u671f\u5386\u53f2\u7684\u5de5\u4f5c\u5230\u4e86\u201c\u6fc0\u52a8\u4eba\u5fc3\u7684\u65f6\u523b\u201d\u3002<\/span><\/strong><\/span><\/p>\n<\/p>\n

Wickstead \u8ba4\u4e3a\uff1a\u201c\u4ece LECA \u57fa\u56e0\u7ec4\u7684\u89d2\u5ea6\u800c\u8a00\uff0c\u4e00\u4e2a\u7ec6\u80de\u8fd8\u662f\u4e00\u7fa4\u7ec6\u80de\u5e76\u6ca1\u4ec0\u4e48\u533a\u522b\u3002\u201d\u4e5f\u65e0\u975e\u5c31\u662f\u9664\u57fa\u56e0\u590d\u5236\u4ee5\u5916\u8fd8\u591a\u4e86\u57fa\u56e0\u4ea4\u6362\u3002<\/p>\n<\/p>\n

\u4f46\u662f\uff0c\u6b63\u5982 O’Malley \u548c Wickstead \u6240\u6307\u51fa\u7684\u90a3\u6837\uff0c\u8fd9\u79cd\u533a\u522b\u5e76\u4e0d\u4ec5\u4ec5\u662f\u8bed\u8a00\u4e0a\u54ac\u6587\u56bc\u5b57\u7684\u95ee\u9898\u3002Wickstead \u8ba4\u4e3a\uff1a\u4ece\u6570\u636e\u5e93\u4e2d\u6240\u91cd\u5efa\u7684\u57fa\u56e0\u7ec4\u662f\u4ec5\u4ec5\u6765\u81ea\u4e00\u4e2a\u7ec6\u80de\u8fd8\u662f\u5206\u5e03\u4e8e\u591a\u4e2a\u7ec6\u80de\u4e2d\uff0c\u8fd9\u662f\u4e00\u4e2a\u5bf9\u7406\u89e3\u57fa\u56e0\u7ec4\u4f5c\u7528\u81f3\u5173\u91cd\u8981\u7684\u95ee\u9898\u2014\u2014\u8fd9\u4e5f\u5c31\u662f\u9057\u4f20\u5b66\u548c\u7ec6\u80de\u751f\u7269\u5b66\u7684\u533a\u522b\u3002<\/p>\n<\/p>\n

\u4ed6\u548c\u4ed6\u7684\u540c\u4e8b\u4eec\u5bf9\u91cd\u5efa LECA \u7684\u57fa\u56e0\u7ec4\u548c\u86cb\u767d\u8d28\u7ec4\u6700\u611f\u5174\u8da3\uff0c\u56e0\u4e3a\u8fd9\u6837\u505a\u5c31\u80fd\u4e86\u89e3 LECA \u7684\u751f\u7269\u5b66\u80fd\u529b\u3002\u201c\u4f46\u8fd9\u4e9b\u662f\u5426\u90fd\u80fd\u5b58\u5728\u4e8e\u4e00\u7ec6\u80de\u4e2d\uff0c\u8fd8\u662f\u8bf4\uff0c\u8981\u907f\u514d\u5f7c\u6b64\u7684\u51b2\u7a81\u800c\u6253\u7834\u5b83\u3002\u201d<\/p>\n<\/p>\n

\u201c\u9644\u5c5e\u201d\u57fa\u56e0\u4e0e\u6cdb\u57fa\u56e0\u7ec4<\/span><\/strong><\/p>\n<\/p>\n

Leger \u8ba4\u540c\u8fd9\u4e00\u70b9\uff0c\u641e\u6e05\u695a LECA \u5230\u5e95\u662f\u4e00\u4e2a\u7ec6\u80de\u8fd8\u662f\u591a\u4e2a\u7ec6\u80de\u6709\u52a9\u4e8e\u7814\u7a76\u5458\u66f4\u597d\u7684\u7406\u89e3\u57fa\u56e0\u7ec4\u6570\u636e\u3002<\/span>\u5979\u8868\u793a\uff1a\u201c\u5982\u679c\u4f60\u8bd5\u56fe\u641e\u6e05\u695a\u5f53\u4eca\u7684\u4f17\u591a\u771f\u6838\u751f\u7269\u7684\u5171\u6709\u7279\u5f81\uff0c\u90a3\u4e48\u4f60\u4f1a\u53d1\u73b0 LECA \u7684\u57fa\u56e0\u7ec4\u5f97\u7684\u5927\u5413\u4eba\uff0c\u80fd\u7f16\u7801\u51fa\u592a\u591a\u7684\u86cb\u767d\u8d28\u4ee5\u81f3\u4e8e\u65e0\u6cd5\u6b63\u5e38\u5de5\u4f5c\u3002\u201d\u800c\u5355\u4e00\u7684\u771f\u6838\u751f\u7269\u662f\u65e0\u6cd5\u627f\u62c5\u8fd9\u6837\u5927\u7684\u57fa\u56e0\u7ec4\u7684\u3002<\/p>\n<\/p>\n

\u4e00\u4e2a\u6211\u4eec\u6240\u719f\u6089\u7684\u5fae\u751f\u7269\u2014\u2014\u5927\u80a0\u6746\u83cc\uff0c\u5c31\u51fa\u73b0\u4e86\u7c7b\u4f3c\u7684\u95ee\u9898\u3002\u5927\u80a0\u6746\u83cc\u662f\u4e00\u4e2a\u88ab\u5206\u6210\u8bb8\u591a\u9057\u4f20\u83cc\u682a\u7684\u5355\u4e00\u7269\u79cd\u3002\u5982\u679c\u4f60\u4ece\u591a\u4e2a\u5927\u80a0\u6746\u83cc\u7684\u83cc\u682a\u4e2d\u63d0\u53d6\u57fa\u56e0\u7ec4\uff0c\u5f88\u660e\u663e\u4f1a\u53d1\u73b0\u4e0d\u540c\u7684\u83cc\u682a\u6709\u4e0d\u540c\u7684\u57fa\u56e0\u2014\u2014\u4e0d\u4ec5\u4ec5\u662f\u57fa\u56e0\u53d8\u4f53\u7684\u4e0d\u540c\uff0c\u800c\u662f\u4e0d\u540c\u7684\u7ec6\u80de\u682a\u5b58\u5728\u6216\u7f3a\u5931\u4e00\u6574\u5957\u7684\u57fa\u56e0\u5bb6\u65cf\u3002\u6bcf\u79cd\u7ec6\u83cc\u90fd\u6709\u4e00\u4e2a\u57fa\u56e0\u7ec4\uff0c\u5176\u4e2d\u5927\u7ea6\u5305\u542b 4200 \u5230 5600 \u4e2a\u57fa\u56e0\u3002\u6240\u6709\u7684\u5927\u80a0\u6746\u83cc\u6240\u5171\u6709\u57fa\u56e0\u5927\u6982\u662f 2200\u52303100 \u4e2a\uff0c\u5176\u4f59\u7684\u57fa\u56e0\u6765\u81ea\u81f3\u5c11 89000 \u4e2a\u53ef\u80fd\u7684\u201c \u9644\u5c5e\u201d\u57fa\u56e0\u3002<\/p>\n<\/p>\n

\u5c3d\u7ba1\u8fd9\u4e9b\u57fa\u56e0\u5bf9\u7ec6\u83cc\u7684\u5b58\u6d3b\u5e76\u975e\u81f3\u5173\u91cd\u8981\uff0c\u4f46\u5b83\u4eec\u4e5f\u786e\u786e\u5b9e\u5b9e\u7684\u5728\u8bf8\u591a\u65b9\u9762\u5f71\u54cd\u7740\u7ec6\u83cc\u7684\u751f\u5b58\u3002<\/p>\n<\/p>\n

\u6210\u5343\u4e0a\u4e07\u9644\u5c5e\u57fa\u56e0\u7684\u53d8\u5f02\u89e3\u91ca\u4e86\u4e3a\u4ec0\u4e48\u6709\u4e9b\u83cc\u682a\u6709\u6bd2\uff0c\u800c\u53e6\u4e00\u4e9b\u6ca1\u6709\uff1b\u4e00\u4e9b\u83cc\u682a\u53ef\u4ee5\u5728\u67d0\u79cd\u73af\u5883\u4e2d\u751f\u5b58\u3001\u4ee5\u67d0\u4e9b\u98df\u7269\u4e3a\u98df\uff0c\u800c\u53e6\u4e00\u4e9b\u4e0d\u80fd\u3002<\/p>\n<\/p>\n

\u9644\u5c5e\u57fa\u56e0\u53ef\u4ee5\u4ece\u4e00\u4e2a\u83cc\u682a\u6c34\u5e73\u4f20\u9012\u5230\u53e6\u4e00\u4e2a\u83cc\u682a\uff0c\u6216\u8005\u8bf4\u54c1\u7cfb\uff0c\u56e0\u6b64\u5982\u679c\u6211\u4eec\u60f3\u8981\u4e86\u89e3\u5927\u80a0\u6746\u83cc\u8fd9\u4e2a\u751f\u7269\u7684\u603b\u4f53\u80fd\u529b\uff0c\u6211\u4eec\u9700\u8981\u83b7\u5f97\u4e00\u4e2a\u7269\u79cd\u57fa\u56e0\u53d8\u5f02\u7684\u5b8c\u6574\u56fe\u666f\uff0c\u6216\u8005\u5c31\u50cf\u7814\u7a76\u8005\u6240\u8bf4\u7684\u2014\u2014\u4e00\u4e2a\u6cdb\u57fa\u56e0\u7ec4\uff08pan-genome\uff09<\/span><\/strong>\uff0c\u4e00\u4e2a\u7269\u79cd\u7684\u6cdb\u57fa\u56e0\u7ec4\u662f\u5b83\u6240\u6709\u54c1\u7cfb\u57fa\u56e0\u7684\u603b\u548c\u3002<\/p>\n<\/p>\n

\n

\"\u96c6\u667a\"<\/p>\n

\u771f\u6838\u751f\u7269\u7684\u590d\u6742\u8c31\u7cfb\uff0c\u4ece\u6570\u636e\u5e93\u4e2d\u6240\u91cd\u5efa\u7684\u57fa\u56e0\u7ec4\u662f\u4ec5\u4ec5\u6765\u81ea\u4e00\u4e2a\u7ec6\u80de\u8fd8\u662f\u5206\u5e03\u4e8e\u591a\u4e2a\u7ec6\u80de\u4e2d\uff0c\u8fd9\u662f\u4e00\u4e2a\u5bf9\u7406\u89e3\u57fa\u56e0\u7ec4\u7684\u4f5c\u7528\u81f3\u5173\u91cd\u8981\u7684\u95ee\u9898\u3002<\/span><\/strong><\/span><\/p>\n<\/section>\n

\u6cdb\u57fa\u56e0\u7ec4\u8fd9\u4e2a\u6982\u5ff5\u8bde\u751f\u4e8e 21 \u4e16\u7eaa\u521d\u671f\uff0c\u5f53\u65f6\u79d1\u5b66\u5bb6\u4eec\u610f\u8bc6\u5230\u75c5\u539f\u83cc\u7684\u53c2\u8003\u57fa\u56e0\u7ec4\u5e8f\u5217\uff08\u57fa\u56e0\u7ec4\u6807\u51c6\u5316\u63cf\u8ff0\u6c47\u7f16\u7684\u6570\u5b57\u6570\u636e\u5e93\uff09<\/span>\u65e0\u6cd5\u83b7\u53d6\u5230\u751f\u7269\u4f53\u7684\u5168\u90e8\u9057\u4f20\u53d8\u5f02\u4fe1\u606f\uff0c\u7ed3\u6784\u7b80\u5355\u7684\u5355\u7ec6\u80de\u751f\u7269\u6709\u7740\u8fdc\u8d85\u591a\u7ec6\u80de\u751f\u7269\u7684\u53d8\u5f02\u901f\u5ea6\u548c\u6c34\u5e73\u4f20\u9012\u9057\u4f20\u4fe1\u606f\u7684\u80fd\u529b\u3002\u6240\u4ee5\u4ece\u90a3\u65f6\u8d77\uff0c\u79d1\u5b66\u5bb6\u4eec\u5c31\u610f\u8bc6\u5230\u4e86\u6cdb\u57fa\u56e0\u7ec4\u5728\u539f\u6838\u751f\u7269\u4e2d\u6240\u8d77\u5230\u7684\u91cd\u8981\u5730\u4f4d\u3002\u4f46\u56e0\u4e3a\u5728\u771f\u6838\u751f\u7269\u4e2d\u57fa\u56e0\u6c34\u5e73\u8f6c\u79fb\u7684\u60c5\u5f62\u5e76\u4e0d\u591a\u89c1\uff0c\u6240\u4ee5\u957f\u671f\u4ee5\u6765\u4eba\u4eec\u5bf9\u771f\u6838\u751f\u7269\u7684\u6cdb\u57fa\u56e0\u7ec4\u8fd9\u4e00\u6982\u5ff5\u7406\u89e3\u7684\u5e76\u4e0d\u6df1\u523b\u3002<\/p>\n<\/p>\n

\u8fd9\u79cd\u89c2\u70b9\u6b63\u5728\u6162\u6162\u8f6c\u53d8\u3002\u6700\u8fd1\u5bf9\u56db\u79cd\u5728\u533b\u5b66\u4e0a\u91cd\u8981\u7684\u81f4\u75c5\u771f\u83cc\u7684\u57fa\u56e0\u7ec4\u8fdb\u884c\u5206\u6790\u540e\u79d1\u5b66\u5bb6\u53d1\u73b0\uff1a\u5b83\u4eec\u6709\u6cdb\u57fa\u56e0\u7ec4<\/span><\/strong>\u3002\u5b83\u4eec\u57fa\u56e0\u7ec4\u7684 10-20% \u662f\u7531\u9644\u5c5e\u57fa\u56e0\u7ec4\u6210\u3002\u8fd9\u4e9b\u9644\u5c5e\u57fa\u56e0\u5bf9\u771f\u83cc\u6297\u751f\u7d20\u7684\u6297\u836f\u6027\u8d77\u5230\u4e86\u91cd\u8981\u4f5c\u7528\u3002<\/p>\n<\/p>\n

<\/span><\/p>\n

\n
\n
\n

\u6211\u4eec\u6240\u63d0\u5230\u7684 LECA\uff0c\u6211\u4eec\u53ef\u80fd\u6307\u7684\u662f\u4e00\u4e2a\u7956\u5148\u7684\u7fa4\u4f53\u3002\u5e76\u975e\u5355\u4e00\u7ec6\u80de\u7684\u57fa\u56e0\u7ec4\u7fa4\u4f53\u3002<\/span><\/p>\n

\u2014\u2014\u6ce2\u5c14\u591a\u5927\u5b66 Maureen O’Mal<\/span><\/p>\n<\/section>\n<\/section>\n<\/blockquote>\n

\u5176\u5b9e\u6211\u4eec\u4eba\u7c7b\u4e5f\u6709\u6cdb\u57fa\u56e0\u7ec4\u3002\u201c\u5f53\u6211\u4eec\u7b2c\u4e00\u6b21\u5bf9\u4eba\u7c7b\u7684\u57fa\u56e0\u7ec4\u8fdb\u884c\u6d4b\u5e8f\u65f6\uff0c\u4eba\u4eec\u5bf9\u6b64\u5927\u4e3a\u79f0\u8d5e\u2014\u2014\u2018\u4eba\u7c7b\u7ec8\u4e8e\u62e5\u6709\u4e86\u81ea\u5df1\u7684\u751f\u547d\u84dd\u56fe\uff01\u2019\uff0c\u4f46\u5b9e\u9645\u4e0a\u6211\u4eec\u5e76\u6ca1\u6709\u201d\uff0cWickstead \u8fd9\u6837\u8bf4\u9053\u3002\u4ee5\u8fd1\u671f\u7684\u4e00\u4e2a\u7814\u7a76\u4e3a\u4f8b\uff0c910 \u540d\u975e\u6d32\u540e\u88d4\u7814\u7a76\u5bf9\u8c61\u7684\u57fa\u56e0\u4e2d\u6709 10% \u4e0d\u5728\u4eba\u7c7b\u53c2\u8003\u57fa\u56e0\u7ec4\u4e2d\u3002Wickstead \u8bf4\uff1a\u201c\u57fa\u56e0\u7ec4\u4e2d\u7f3a\u5931\u7684\u57fa\u56e0\u662f\u4eba\u7c7b\u591a\u6837\u6027\u7684\u4e00\u90e8\u5206\uff0c\u8fd9\u4f1a\u4f7f\u4eba\u5bf9\u836f\u7269\u3001\u73af\u5883\u7b49\u7b49\u91cd\u8981\u7684\u4e8b\u60c5\u505a\u51fa\u4e0d\u540c\u7684\u53cd\u5e94\u3002\u201d<\/p>\n<\/p>\n

\u5982\u679c\u539f\u6838\u751f\u7269\u4e2d\u5b58\u5728\u7684\u6cdb\u57fa\u56e0\u7ec4\u4e5f\u5b58\u5728\u4e8e\u771f\u6838\u751f\u7269\u4e2d\uff0c\u90a3\u6211\u4eec\u4ee5\u524d\u8ba4\u4e3a\u771f\u6838\u751f\u7269\u6ca1\u6709\u6cdb\u57fa\u56e0\u7ec4\u5c31\u663e\u5f97\u9519\u7684\u79bb\u8c31\u4e86\u3002<\/span>Wickstead \u548c\u5176\u4ed6\u79d1\u5b66\u5bb6\u63a8\u6d4b\u3002\u4ed6\u4eec\u5f53\u521d\u8bd5\u56fe\u91cd\u5efa\u7684 LECA \u57fa\u56e0\u7ec4\u53ef\u80fd\u5c31\u662f\u6cdb\u57fa\u56e0\u7ec4\u3002<\/p>\n<\/p>\n

\u8fd9\u5bf9\u5eb7\u6d85\u72c4\u683c\u5dde\u5927\u5b66\u7684\u8fdb\u5316\u751f\u7269\u5b66\u5bb6 J. Peter Gogarten \u6765\u8bf4\u662f\u6709\u610f\u4e49\u7684\u3002\u5bf9\u4e8e\u4ed6\u7684\u7814\u7a76\u6765\u8bf4\uff0cO’Malley\u3001Leger \u548c\u540c\u4e8b\u7684\u8bba\u6587\u660e\u786e\u4e86\u8fd9\u6837\u4e00\u4e2a\u89c2\u70b9\uff1a\u201c\u4e3a\u4e86\u80fd\u771f\u6b63\u7406\u89e3\u771f\u6838\u751f\u7269\u7684\u8d77\u6e90\uff0c\u6211\u4eec\u8981\u6784\u5efa\u80fd\u63cf\u8ff0\u57fa\u56e0\u8fdb\u5316\u53f2\u7684\u7f51\u7edc\uff0c\u800c\u4e0d\u662f\u91cd\u5efa\u7ec6\u80de\u8fdb\u5316\u6811\u3002\u201d\u8fd9\u5df2\u7ecf\u662f\u4ed6\u63d0\u5021\u8fc7\u4e00\u6bb5\u65f6\u95f4\u7684\u4e8b\u60c5\u4e86\uff0c\u4ed6\u4e0d\u518d\u628a LECA \u89c6\u4e3a\u4e00\u4e2a\u5355\u4e00\u7684\u7ec6\u80de\uff0c\u800c\u662f\u628a\u5b83\u89c6\u4e3a\u4e00\u4e2a\u7531\u4e0d\u540c\u7684\u7ec6\u80de\u7ec4\u6210\u7684\u7ec6\u80de\u7fa4\u3002\u901a\u8fc7\u8fd9\u4e2a\u601d\u8def\uff0c\u6211\u4eec\u53ef\u80fd\u66f4\u597d\u5730\u7a7f\u8fc7\u8fdb\u5316\u53f2\u7684\u70df\u4e91\uff0c\u89c2\u5bdf\u795e\u79d8\u7684\u7b2c\u4e00\u6279\u771f\u6838\u751f\u7269\u3002<\/p>\n<\/p>\n

\u5c3d\u7ba1\u5982\u6b64\uff0cGogarten \u8fd8\u662f\u5bf9\u8fd9\u4e2a\u63a8\u6d4b\u505a\u51fa\u4e86\u4e00\u4e9b\u9650\u5236\uff1aLECA \u53ef\u80fd\u662f\u4e00\u4e2a\u7ec6\u80de\u7fa4\uff0c\u4f46\u4ed6\u786e\u4fe1\u8fd9\u4e0d\u4f1a\u662f\u4e00\u4e2a\u7ec6\u80de\u6570\u91cf\u4f17\u591a\uff0c\u6cdb\u57fa\u56e0\u7ec4\u591a\u6837\u5e9e\u6742\u7684\u7ec6\u80de\u7fa4\u3002\u7269\u79cd\u6570\u91cf\u66f4\u5927\u3001\u6cdb\u57fa\u56e0\u7ec4\u66f4\u5927\u3001\u751a\u81f3\u662f\u4e8c\u8005\u517c\u800c\u6709\u4e4b\u7684\u7ec6\u80de\u7fa4\u53ef\u80fd\u5b58\u5728\u4e8e FECA \u548c LECA \u4e4b\u95f4\u7684\u8fc7\u6e21\u9636\u6bb5\u3002\u8fd9\u4e5f\u5c31\u662f\u628a\u7956\u5148\u89c6\u4e3a\u79cd\u7fa4\u800c\u4e0d\u662f\u4e2a\u4f53\u80fd\u6709\u52a9\u4e8e\u6211\u4eec\u7406\u89e3\u771f\u6838\u751f\u7269\u7684\u8d77\u6e90\u7684\u539f\u56e0\u3002\u4f46 Gogarten \u8ba4\u4e3a\u7b49\u5230\u4e86 LECA \u51fa\u73b0\u7684\u9636\u6bb5\uff0c\u4e8b\u60c5\u5df2\u7ecf\u7a33\u5b9a\u591a\u4e86\u3002<\/p>\n<\/p>\n

\n

\"\u96c6\u667a\"<\/p>\n<\/section>\n

\u65b0\u897f\u5170\u5965\u514b\u5170\u5927\u5b66\u7684\u5206\u5b50\u8fdb\u5316\u5b66\u8005 Anthony Poole \u5bf9 LECA \u4e2d\u5b58\u5728\u5927\u800c\u591a\u6837\u7684\u6cdb\u57fa\u56e0\u7ec4\uff08\u6240\u6709\u53ef\u80fd\u57fa\u56e0\u7684\u57fa\u56e0\u6c60\uff09\u8fd9\u4e00\u89c2\u70b9\u6301\u6000\u7591\u6001\u5ea6\u3002<\/span><\/strong><\/p>\n<\/p>\n

Poole \u540c\u610f\u8fd9\u4e00\u89c2\u70b9\u3002\u4ed6\u8868\u793a\uff0c\u5927\u591a\u6570\u4e13\u5bb6\u89c9\u5f97 LECA \u7684\u91cd\u8981\u7279\u6027\u5e76\u4e0d\u80fd\u88ab\u6cdb\u57fa\u56e0\u7ec4\u89e3\u91ca\u3002\u201c\u6211\u4eec\u6ca1\u6709\u8fd9\u6837\u7684\u6a21\u578b\u2018\u80fd\u8ba9\u4f60\u5728\u4e24\u4e2a\u7ec6\u80de\u95f4\u516c\u7528\u4e00\u4e2a\u6838\u7cd6\u4f53\u2019\uff0c\u8fd9\u5728\u7406\u8bba\u4e0a\u662f\u4e0d\u53ef\u80fd\u7684\u3002\u201d<\/p>\n<\/p>\n

\u4f46\u968f\u7740\u79d1\u5b66\u5bb6\u5bf9\u65e9\u671f\u7ec6\u80de\u548c\u4ed6\u4eec\u5728\u6240\u5904\u73af\u5883\u4e2d\u7684\u884c\u4e3a\u591a\u6837\u6027\u6709\u4e86\u6df1\u5165\u7684\u4e86\u89e3\u3002\u5bf9LECA \u4e0e\u6cdb\u57fa\u56e0\u7ec4\u7684\u5173\u7cfb\u7814\u7a76\u53ef\u80fd\u4f1a\u66f4\u8fdb\u4e00\u6b65\u3002\u8fd9\u4e5f\u5c31\u662f\u4e3a\u4ec0\u4e48 Leger \u8ba4\u4e3a\u8981\u601d\u8003 LECA \u662f\u5426\u53ef\u80fd\u662f\u4e00\u4e2a\u66f4\u5927\u66f4\u5e9e\u6742\u7684\u6cdb\u57fa\u56e0\u7ec4\u3002\u5904\u7406\u4e00\u4e9b\u7cd6\u7c7b\u7269\u8d28\u7684\u80fd\u529b\u662f\u65b0\u9648\u4ee3\u8c22\u7684\u5173\u952e\uff0c\u53ef\u80fd\u5206\u5e03\u5728\u7ec6\u80de\u7fa4\u4e2d\u88ab\u5171\u4eab\uff0c\u800c\u4e0d\u662f\u5728\u6bcf\u4e2a\u7ec6\u80de\u7684\u4e2a\u4f53\u5185\u3002\u8fd9\u53ef\u80fd\u8ba9\u8fd9\u79cd\u5fae\u751f\u7269\u6bd4\u5176\u4ed6\u7684\u5fae\u751f\u7269\u80fd\u9002\u5e94\u66f4\u591a\u7684\u73af\u5883\u3002<\/p>\n<\/p>\n

Leger \u8868\u793a\uff0c\u5982\u679c\u4e8b\u5b9e\u5982\u6b64\uff0c\u8fd9\u5c31\u6709\u52a9\u4e8e\u89e3\u91ca\u4e3a\u4ec0\u4e48\u771f\u6838\u751f\u7269\u57fa\u56e0\u7684\u591a\u6837\u5316\u901f\u5ea6\u5982\u6b64\u4e4b\u5feb\u3002<\/span>\u5206\u5e03\u4e8e\u4e0d\u540c\u73af\u5883\u4e2d\u57fa\u56e0\u5404\u5f02\u7684 LECA \u79cd\u7fa4\u80fd\u5206\u5316\u51fa\u8bb8\u591a\u6742\u4ea4\u80fd\u529b\u5f3a\u7684\u534a\u9694\u79bb\u4e9a\u79cd\u3002\u8fd9\u4ee5\u60c5\u5f62\u4fc3\u8fdb\u4e86\u7269\u79cd\u7684\u591a\u6837\u5316\uff0c\u5c31\u50cf\u4eca\u65e5\u5728\u5c9b\u4e0a\u5b9a\u5c45\u7684\u7269\u79cd\u4e00\u6837\u3002<\/p>\n<\/p>\n

\u7136\u800c\uff0c\u5176\u4ed6\u4eba\u5374\u6000\u7591 LECA \u7684\u6cdb\u57fa\u56e0\u7ec4\u5982\u6b64\u4e4b\u5927\u3002\u8ddf\u539f\u6838\u751f\u7269\u76f8\u6bd4\uff0c\u4eca\u5929\u771f\u6838\u751f\u7269\u7684\u6cdb\u57fa\u56e0\u7ec4\u5f88\u5c0f\u3002\u7531\u6b64\uff0c\u79d1\u5b66\u5bb6\u4eec\u5c31\u6000\u7591 LECA \u7684\u6cdb\u57fa\u56e0\u7ec4\u662f\u5426\u4f1a\u6bd4\u6211\u4eec\u7684\u8fd8\u8981\u5927\u3002Doolittle \u8bf4\uff1a\u201c\u6211\u8ba4\u540c\u7269\u79cd\u6709\u6cdb\u57fa\u56e0\u7ec4\uff0cLECA \u662f\u7269\u79cd\uff0c\u56e0\u6b64 LECA \u4e5f\u6709\u6cdb\u57fa\u56e0\u7ec4\u3002\u4f46\u662f\u8981\u8bf4 LECA \u662f\u9057\u4f20\u6811\u4e0a\u4e0e\u5176\u4ed6\u751f\u7269\u90fd\u4e0d\u540c\u7684\u7269\u79cd\uff0c\u6211\u89c9\u5f97\u8fd9\u6ca1\u5565\u9053\u7406\u3002\u5b83\u53ea\u4e0d\u8fc7\u662f\u9057\u4f20\u6811\u4e0a\u6700\u6df1\u7684\u90a3\u4e2a\u8282\u70b9\u3002\u201d<\/p>\n

\n

\n<\/p>\n
\n
\n
<\/p>\n

\u8fdb\u5316\u63a8\u8bba\u7684\u57fa\u77f3\uff1a<\/span><\/strong><\/span><\/p>\n

LECA \u662f\u4e00\u4e2a\u7fa4\u4f53<\/span><\/strong><\/strong><\/span><\/p>\n

<\/strong><\/section>\n<\/section>\n<\/section>\n<\/section>\n

\u5c3d\u7ba1 LECA \u7684\u6cdb\u57fa\u56e0\u7ec4\u5927\u5c0f\u95ee\u9898\u5b58\u5728\u4e89\u8bae\uff0c\u4f46 O’Malley \u548c Leger \u7684\u8bb8\u591a\u540c\u4e8b\u90fd\u89c9\u5f97\u628a LECA \u770b\u6210\u4e00\u7fa4\u7ec6\u80de\u662f\u6709\u610f\u4e49\u7684\u3002\u4e0d\u8fc7\uff0c\u53cd\u5bf9\u7684\u58f0\u97f3\u4e5f\u662f\u5b58\u5728\u7684\uff0c\u6839\u636e O’Malley \u7684\u8bf4\u6cd5\uff0c\u4e00\u4e9b\u79d1\u5b66\u5bb6\u575a\u6301\u8ba4\u4e3a LECA \u4e00\u5b9a\u662f\u5355\u4e2a\u7ec6\u80de\uff0c\u968f\u7740\u4e00\u6b21\u53c8\u4e00\u6b21\u7684\u5206\u88c2\uff0c\u6700\u7ec8\u751f\u6210\u4e86\u6240\u6709\u7684\u5176\u4ed6\u771f\u6838\u7ec6\u80de\u3002O’Malley \u8bf4\uff1a\u201c\u6211\u89c9\u5f97\uff0c\u8fd9\u79cd\u6df1\u6df1\u7684\u9677\u5728\u8c31\u7cfb\u5b66\u7684\u601d\u60f3\u975e\u5e38\u5947\u602a\u3002\u201d<\/p>\n<\/p>\n

\u5979\u8ba4\u4e3a\u201cLECA \u662f\u4e00\u4e2a<\/span><\/strong>\u7fa4\u4f53\u201d\u8fd9\u4e00\u7406\u5ff5<\/span><\/strong>\u662f\u7406\u89e3\u5176\u5982\u4f55\u4ea7\u751f\u548c\u5f71\u54cd\u73b0\u5728\u771f\u6838\u751f\u7269\u591a\u6837\u6027\u7684\u552f\u4e00\u9014\u5f84\u3002\u79cd\u7fa4\u662f\u6240\u6709\u8fdb\u5316\u8bba\u63a8\u7406\u7684\u57fa\u77f3\u3002\u4f9d\u7167\u5b9a\u4e49\uff0c\u8fdb\u5316\u7406\u8bba\u548c\u81ea\u7136\u9009\u62e9\u53d1\u751f\u5728\u79cd\u7fa4\u5c42\u9762\uff0c\u8fd9\u4e0d\u662f\u67d0\u4e2a\u7ec6\u80de\u7684\u4e8b\uff0c\u800c\u662f\u5173\u4e4e\u79cd\u7fa4\u7684\u95ee\u9898\u3002\u8fd9\u4e5f\u5c31\u662f\u4e3a\u4ec0\u4e48\u5979\u548c\u5979\u7684\u540c\u4e8b\u5728\u201c\u66f4\u52a0\u52aa\u529b\u5730\u63a8\u8fdb\u8fd9\u9879\u5de5\u4f5c\u201d\u3002<\/p>\n<\/p>\n

\u5728\u91cd\u6784\u771f\u6838\u751f\u7269\u7684\u8fdb\u5316\u5386\u53f2\u65f6\u8981\u8003\u8651\u79cd\u7fa4\u95ee\u9898\u6781\u4e3a\u91cd\u8981\uff0c\u56e0\u4e3a\u8fd9\u4f1a\u5de6\u53f3\u4f60\u5982\u4f55\u89e3\u91ca\u73af\u5883\uff0c\u5982\u4f55\u89e3\u91ca\u57fa\u56e0\u3002<\/p>\n<\/p>\n

\u8fd9\u4e00\u70b9\u5bf9\u4e8e\u91cd\u5efa LECA \u7684\u5c1d\u8bd5\u5de5\u4f5c\u6781\u4e3a\u91cd\u8981\u3002\u56e0\u4e3a\uff0c\u5728\u5f53\u65f6\u6700\u7ec8\u5b58\u6d3b\u4e0b\u6765\u7684\u751f\u7269\u53ef\u80fd\u4e0d\u662f\u7531\u4eca\u65e5\u6211\u4eec\u6240\u89c1\u5230\u7684\u771f\u6838\u751f\u7269\u4e0e\u8fd1\u4eb2\u7684\u6027\u72b6\u7279\u5f81\u6784\u6210\u7684\u3002\u201c\u5982\u679c\u4f60\u53ea\u770b\u7559\u4e0b\u6765\u7684\u4e1c\u897f\uff0c\u6211\u89c9\u5f97\u8fd9\u65e0\u6cd5\u7406\u89e3\u8fdb\u5316\u8bba\u3002\u6211\u4eec\u5fc5\u987b\u4e86\u89e3\u79cd\u7fa4\u7684\u53d1\u5c55\u9636\u6bb5\uff0c\u624d\u4f1a\u77e5\u9053\u5728\u8fd9\u4e2a\u8fc7\u7a0b\u4e2d\u751f\u7269\u4e22\u5931\u4e86\u4ec0\u4e48\u4fe1\u606f\u3002\u201d<\/p>\n<\/p>\n

\u95ee\u9898\u5728\u4e8e\uff0c\u6211\u4eec\u53ef\u80fd\u6c38\u8fdc\u65e0\u6cd5\u77e5\u9053 LECA \u957f\u4ec0\u4e48\u6837\u5b50\u3002\u56e0\u4e3a\uff0c\u5e76\u6ca1\u6709\u5316\u77f3\u6216\u8005 DNA \u6b8b\u7559\u6765\u5e2e\u52a9\u6211\u4eec\u76f4\u63a5\u89e3\u91ca\u5b83\u7684\u9762\u76ee\u3002\u5373\u4f7f\u662f\u6700\u597d\u7684\u57fa\u56e0\u7ec4\u5b66\u65b9\u6cd5\u4e5f\u4e0d\u80fd\u8ba9\u65f6\u5149\u5012\u6d41\uff0c\u53bb\u8ba9\u6211\u4eec\u89c2\u6d4b\u57fa\u56e0\u5e8f\u5217\u7684\u6539\u53d8\u3002\u57fa\u672c\u4e0a\uff0c\u65e0\u6cd5\u786e\u5207\u5730\u77e5\u9053 LECA \u57fa\u56e0\u7ec4\u6216\u8005\u8bf4\u6cdb\u57fa\u56e0\u7ec4\u662f\u4ec0\u4e48\u6837\u5b50\u7684\u3002<\/p>\n<\/p>\n

\u4f46\u8fd9\u5e76\u4e0d\u610f\u5473\u7740\u8fd9\u4e2a\u95ee\u9898\u4e0d\u503c\u5f97\u601d\u8003\u3002LECA \u662f\u6211\u4eec\u6240\u6709\u4eba\u7684\u6839\u6e90\u2014\u2014\u5c31\u50cf Wickstead \u6240\u8bf4\u7684\u201c\u771f\u6838\u751f\u7269\u7684\u591a\u6837\u6027\u53d1\u6e90\u4e8e\u6b64<\/span><\/strong>\u201d\u73b0\u5728\uff0c\u6211\u4eec\u627e\u4e0d\u5230\u80fd\u4e25\u683c\u5730\u8bba\u8bc1\u6211\u4eec\u7684\u5047\u8bbe\u7684\u65b9\u6cd5\uff0c\u4f46\u4e0d\u610f\u5473\u7740\u6211\u4eec\u4ee5\u540e\u4e5f\u505a\u4e0d\u5230\u3002\u4ed6\u8bf4\uff1a\u201c\u6211\u8ba4\u4e3a\uff0c\u4e86\u89e3\u5f53\u65f6\u53d1\u751f\u7684\u4e8b\u60c5\u548c\u90a3\u4ee5\u540e\u751f\u7269\u5982\u4f55\u53d8\u5316\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u56e0\u4e3a\u53ea\u6709\u8fd9\u6837\u624d\u6709\u673a\u4f1a\u53bb\u7406\u89e3\u771f\u6838\u751f\u7269\u662f\u5982\u4f55\u4ece\u90a3\u4e00\u70b9\u53d1\u5c55\u800c\u6765\u7684\u3002\u201d<\/p>\n<\/p>\n

\u5728 Leger \u770b\u6765\uff0c\u4ec5\u4ec5\u63d0\u51fa\u8fd9\u6837\u7684\u95ee\u9898\u5c31\u80fd\u63ed\u793a\u51fa\u6211\u4eec\u5bf9\u73b0\u9636\u6bb5\u5bf9\u771f\u6838\u751f\u7269\u7406\u89e3\u4e0a\u7684\u5dee\u8ddd\uff0c\u201c\u5173\u4e8e\u771f\u6838\u5fae\u751f\u7269\uff0c\u6211\u4eec\u8fd8\u6709\u8bb8\u591a\u4e1c\u897f\u9700\u8981\u4e86\u89e3\uff0c\u5b83\u4eec\u7684\u884c\u4e3a\uff0c\u4ee5\u53ca\u5b83\u4eec\u7684\u751f\u6d3b\u65b9\u5f0f\u3002\u201d<\/p>\n<\/p>\n

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\u7ffb\u8bd1\uff1aLeo<\/span><\/p>\n

\u5ba1\u6821\uff1a\u9648\u66e6<\/span><\/p>\n

\u7f16\u8f91\uff1a\u738b\u6021\u853a<\/span><\/p>\n

\u5730\u5740\uff1a<\/span><\/p>\n

https:\/\/www.quantamagazine.org\/rethinking-the-ancestry-of-the-eukaryotes-20190409\/<\/span><\/p>\n<\/section>\n<\/section>\n<\/blockquote>\n

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\u63a8\u8350\u9605\u8bfb<\/span><\/strong><\/span><\/p>\n

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\u6700\u5927\u5316\u71b5\u4ea7\u751f\u539f\u7406\u9a71\u52a8\u4e0b\u7684\u81ea\u7136\u9009\u62e9<\/span><\/strong><\/span><\/strong><\/span><\/a><\/p>\n

\u5bbf\u4e3b\u4e0e\u5fae\u751f\u7269\u6784\u6210\u7684\u201c\u8d85\u7ea7\u751f\u7269\u4f53\u201d\u662f\u5982\u4f55\u6f14\u5316\u7684\uff1f<\/span><\/strong><\/span><\/strong><\/span><\/a><\/p>\n

\u4e3a\u4ec0\u4e48\u8fdb\u5316\u603b\u80fd\u627e\u5230\u4e00\u6761\u7b80\u5355\u8def\u5f84\uff1f<\/span><\/strong><\/span><\/strong><\/span><\/a><\/p>\n

\u57fa\u56e0\u4e4b\u95f4\u7684\u91cd\u590d\u535a\u5f08\u5982\u4f55\u5f71\u54cd\u751f\u7269\u8fdb\u5316\uff1f<\/span><\/strong><\/span><\/strong><\/span><\/a><\/p>\n

\u52a0\u5165\u96c6\u667a\uff0c\u4e00\u8d77\u590d\u6742\uff01<\/span><\/strong><\/span><\/strong><\/span><\/a><\/p>\n

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\u96c6\u667a\u4ff1\u4e50\u90e8QQ\u7fa4\uff5c877391004<\/span><\/strong><\/p>\n

\u5546\u52a1\u5408\u4f5c\u53ca\u6295\u7a3f\u8f6c\u8f7d\uff5cswarma@swarma.org<\/span><\/strong><\/p>\n

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\u25c6<\/span>\u25c6<\/span>\u25c6<\/span><\/span><\/strong><\/strong><\/h1>\n<\/section>\n

\u641c\u7d22\u516c\u4f17\u53f7\uff1a\u96c6\u667a\u4ff1\u4e50\u90e8<\/span><\/strong><\/span><\/p>\n

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\u52a0\u5165\u201c\u6ca1\u6709\u56f4\u5899\u7684\u7814\u7a76\u6240\u201d<\/span><\/strong><\/span><\/p>\n

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\"\u96c6\u667a\"<\/p>\n<\/section>\n

\u8ba9\u82f9\u679c\u7838\u5f97\u66f4\u731b\u70c8\u4e9b\u5427\uff01<\/span><\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n

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\u539f\u6587\u59cb\u53d1\u4e8e\u5fae\u4fe1\u516c\u4f17\u53f7\uff08\u96c6\u667a\u4ff1\u4e50\u90e8\uff09\uff1a\u96c6\u667a<\/a><\/p>\n<\/blockquote>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

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