{"id":2012,"date":"2018-10-05T11:44:41","date_gmt":"2018-10-05T02:44:41","guid":{"rendered":"http:\/\/163.180.4.222\/lab\/?p=2012"},"modified":"2018-10-05T11:44:41","modified_gmt":"2018-10-05T02:44:41","slug":"the-eukaryotic-ancestor-shapes-up","status":"publish","type":"post","link":"https:\/\/biochemistry.khu.ac.kr\/lab\/?p=2012","title":{"rendered":"The eukaryotic ancestor shapes up"},"content":{"rendered":"

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\uc9c4\ud575\uc138\ud3ec\uc758 \uc870\uc0c1\uc5d0 \uad00\ud55c \ub0b4\uc6a9\uc785\ub2c8\ub2e4.<\/p>\n

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Asgard archaea are the closest known relatives of nucleus-bearing organisms called eukaryotes. A study indicates that these archaea have a dynamic network of actin protein \u2014 a trait thought of as eukaryote-specific.<\/h5>\n

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Eukaryotic cells, which carry their DNA in a nucleus, are thought to have evolved from a merger between two other organisms \u2014 an archaeal host cell1<\/a><\/sup>\u2013<\/sup>3<\/a><\/sup>\u00a0and a bacterium from which eukaryotic organelles called mitochondria emerged4<\/a><\/sup>. Some insights into the biological properties of the host have come from the closest known archaeal relatives of eukaryotes, the Asgard superphylum5<\/a><\/sup>,<\/sup>6<\/a><\/sup>. The genomes of organisms belonging to this archaeal group encode a suite of proteins typically involved in functions or processes thought to be eukaryote-specific. The functions of these \u2018eukaryotic genes\u2019 in Asgard archaea have been elusive, but in\u00a0a paper in\u00a0Nature<\/i><\/a>, Ak\u0131l and Robinson7<\/a><\/sup>\u00a0provide evidence that some of them encode proteins that are structurally and functionally similar to their eukaryotic counterparts.<\/p>\n

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