真核生物に近い古細菌、特徴解明 周囲のたんぱく質が栄養源、突起で共生―千葉の天然ガス井戸で採取・海洋機構

真核生物に近い古細菌の走査型電子顕微鏡画像。 A group of Japanese researchers have uncovered the characteristics of archaea, single-celled micro-organisms, that are most closely related to eukaryotes, organisms including plants and animals, from a methane production well in Chiba Prefecture, near Tokyo.