title: [Virus, phage, transposon and their regulatory small non-coding RNAs].
abstract: Many reports have been accumulated describing not a few microRNAs (miRNAs) in eukaryotes target viral genomes, whereas a number of viruses also encode miRNA genes. These small RNAs play important roles on viral infection and their replication. In germ cells, another small RNA, piRNA is reported to repress endogenous transposons. Furthermore, CRISPR RNA target virus/phage genomes in both archaea and bacteria. Therefore, small RNA is deeply involved in a broad range of biological defense systems. This system may be applied not only to control replication of viruses or phages but also provide implication on regulating the growth of microorganisms including pathogenic bacteria.
authors.affiliation: Institute for Advanced Biosciences, Keio University Tsuruoka, Yamagata 997-0017, Japan. akio@sfc.keio.ac.jp
authors.forename: Akio
authors.initials: A
authors.lastname: Kanai
mesh_terms: D001105:Archaea / Q000235:genetics*; D001419:Bacteria / Q000235:genetics* / Q000254:growth & development; D001435:Bacteriophages / Q000235:genetics*; D004251:DNA Transposable Elements / Q000235:genetics*; D056890:Eukaryota / Q000235:genetics*; D016679:Genome, Viral; D005854:Germ Cells; D035683:MicroRNAs / Q000502:physiology*; D034622:RNA Interference; D034741:RNA, Small Interfering / Q000502:physiology; D022661:RNA, Untranslated / Q000502:physiology*; D014777:Virus Diseases / Q000821:virology; D018406:Virus Physiological Phenomena; D014779:Virus Replication; D014780:Viruses / Q000235:genetics*
chemical_list: D004251:DNA Transposable Elements; D035683:MicroRNAs; D034741:RNA, Small Interfering; D022661:RNA, Untranslated