
Nanobdellota (previously "Nanoarchaeota", Greek for "dwarf or tiny ancient one") is a phylum of Archaea. The first species discovered, Nanoarchaeum equitans, was from a submarine hydrothermal vent in Iceland and described in 2002. The name of the phylum is derived from the species Nanobdella (Greek nânos, a dwarf; bdella, leech) aerobiophila discovered from a terrestrial hot spring in Japan.
PHYLUM
二名法 Nanoarchaeum equitansStetter, 2002 納古菌(學名:Nanoarchaeota),是古菌的一門,迄今只包括一個種,即由Karl Stetter於2002年在冰島的熱泉口發現的騎行納古菌(Nanoarchaeum equitans),這是在另一種古菌燃球菌上生活的專性共生菌。納古菌的細胞直徑大約400 nm,基因組只有48万個鹼基對,這是目前已發現的有細胞生物中(即除掉病毒之外)基因組最小的生物。它的16S rRNA序列和其它生物相差很多,不能用通常辦法檢測到。通過核糖體小亞基rRNA的系統發生樹,初步將其單列爲一個門。 參見 古菌分類表 查 论 编 原核生物:古菌域分类 域 古菌 细菌 真核生物 (界 植物 Hacrobia(英语:Template:Hacrobia) 不等鞭毛类(英语:Template:Heterokont) 囊泡虫 有孔虫(英语:Template:Rhizaria) 古虫 变形虫(英语:Template:Amoebozoa) 动物 真菌) 泉古菌热变形菌纲(英语:Thermoprotei) 酸叶菌目(英语:Acidilobales) 硫还原古球菌目(英语:Desulfurococcales) 热球胞菌 硫化葉菌目(英语:Sulfolobales) 熱變形菌目(英语:Thermoproteales) 广古菌古球状菌纲(英语:古球状菌纲) 古球状菌目(英语:Archaeoglobales) 盐杆菌纲(英语:Halobacteria) 盐杆菌目(英语:Halobacteriales) 甲烷杆菌纲(英语:Methanobacteria) 甲烷杆菌目(英语:Methanobacteriales) 甲烷球菌纲(英语:Methanococci) 甲烷球菌目(英语:Methanococcales) 甲烷微菌纲(英语:Methanomicrobia) 甲烷胞菌目 甲烷微菌目(英语:Methanomicrobiales) 甲烷八叠球菌目 甲烷火菌纲(英语:Methanopyri) 甲烷火菌目(英语:Methanopyrales) 热球菌纲(英语:Thermococci) 热球菌目(英语:Thermococcales) 热原体纲(英语:Thermoplasmata) 热原体目(英语:Thermoplasmatales) 奇古菌(英语:Thaumarchaeota) 餐古菌 亚硝化暖菌 亚硝化侏儒菌 初古菌 "Ca. Korarchaeum cryptofilum" 纳古菌 Nanoarchaeum 曙古菌(英语:Aigarchaeota) "Ca. Caldiarchaeum subterraneum" 取自“https://zh.wikipedia.org/w/index.php?title=納古菌門&oldi
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Nanobdellota (previously "Nanoarchaeota", Greek for "dwarf or tiny ancient one") is a phylum of Archaea. The first species discovered, Nanoarchaeum equitans, was from a submarine hydrothermal vent in Iceland and described in 2002. The name of the phylum is derived from the species Nanobdella (Greek nânos, a dwarf; bdella, leech) aerobiophila discovered from a terrestrial hot spring in Japan.
==Discovery and taxonomy== By the end of the 1990s, three groups of Archaea were recognised: Crenarchaeota, Euryarchaeota and Korarchaeota. The groups were variously designated as kingdoms or phyla. In 2002, Harald Huber and his colleagues at the University of Regensburg and Max Planck Institute for Medical Research discovered a new archaea from a submarine hot vent in Iceland. The species could not be fitted into any of the known groups so that they created a new phylum "Nanoarchaeota" for the new species they named Nanoarchaeum equitans.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).