title: Structure of the small ribosomal subunit RNA of the pulmonate snail, Limicolaria kambeul, and phylogenetic analysis of the Metazoa.
abstract: The complete nucleotide sequence of the small ribosomal subunit RNA of the gastropod, Limicolaria kambeul, was determined and used to infer a secondary structure model. In order to clarify the phylogenetic position of the Mollusca among the Metazoa, an evolutionary tree was constructed by neighbor-joining, starting from an alignment of small ribosomal subunit RNA sequences. The Mollusca appear to be a monophyletic group, related to Arthropoda and Chordata in an unresolved trichotomy.
authors.affiliation: Department Biochemie, Universitaire Instelling Antwerpen, Belgium.
authors.forename: B
authors.initials: B
authors.lastname: Winnepennickx
authors.forename: T
authors.initials: T
authors.lastname: Backeljau
authors.forename: Y
authors.initials: Y
authors.lastname: van de Peer
authors.forename: R
authors.initials: R
authors.lastname: De Wachter
mesh_terms: D000818:Animals; D001483:Base Sequence; D005075:Biological Evolution; D003001:Cloning, Molecular; D008969:Molecular Sequence Data; D009690:Nucleic Acid Conformation; D010802:Phylogeny; D012337:RNA, Ribosomal, 18S / Q000235:genetics*; D012908:Snails / Q000145:classification / Q000235:genetics*
chemical_list: D012337:RNA, Ribosomal, 18S