title: The phylum Nanoarchaeota: present knowledge and future perspectives of a unique form of life.
abstract: The "Nanoarchaeota" are a novel archaeal phylum, forming a unique, deep branch in the 16S rRNA based phylogenetic tree of life. "Nanoarchaeum equitans", the first cultivated representative, is a hyperthermophilic, anaerobic nano-sized coccus with a genome size of about 490 kb. Growth occurs only in coculture with a new chemolithoautotrophic Ignicoccus species.
authors.affiliation: Lehrstuhl für Mikrobiologie, Universität Regensburg, Universitätsstrasse 31, D-93053 Regensburg, Germany. harald.huber@biologie.uni-regensburg.de
authors.forename: Harald
authors.initials: H
authors.lastname: Huber
authors.forename: Michael J
authors.initials: MJ
authors.lastname: Hohn
authors.forename: Karl O
authors.initials: KO
authors.lastname: Stetter
authors.forename: Reinhard
authors.initials: R
authors.lastname: Rachel
mesh_terms: D000595:Amino Acid Sequence; D001105:Archaea / Q000145:classification* / Q000502:physiology*; D001483:Base Sequence; D019620:Desulfurococcaceae; D019143:Evolution, Molecular; D020745:Genome, Archaeal; D008969:Molecular Sequence Data; D010802:Phylogeny; D019642:RNA, Archaeal / Q000235:genetics; D012336:RNA, Ribosomal, 16S / Q000235:genetics; D016415:Sequence Alignment
chemical_list: D019642:RNA, Archaeal; D012336:RNA, Ribosomal, 16S