title: Striking changes in polyubiquitin genes of Tetrahymena pyriformis.
authors.affiliation: Laboratório de Genética Molecular, Instituto Gulbenkian de Ciência, Oeiras, Portugal.
authors.forename: A
authors.initials: A
authors.lastname: Neves
authors.forename: P
authors.initials: P
authors.lastname: Guerreiro
authors.forename: C
authors.initials: C
authors.lastname: Rodrigues-Pousada
mesh_terms: D000595:Amino Acid Sequence; D000818:Animals; D001426:Bacterial Proteins / Q000235:genetics*; D006801:Humans; D008969:Molecular Sequence Data; D012091:Repetitive Sequences, Nucleic Acid; D015183:Restriction Mapping; D012689:Sequence Homology, Nucleic Acid; D012808:Sigma Factor; D013769:Tetrahymena pyriformis / Q000032:analysis / Q000235:genetics*; D014157:Transcription Factors; D014452:Ubiquitins / Q000235:genetics*
chemical_list: D001426:Bacterial Proteins; D012808:Sigma Factor; D014157:Transcription Factors; D014452:Ubiquitins; C063202:sporulation-specific sigma factors