title: [piRNA: a novel member of small RNA family].
abstract: It has been demonstrated that microRNA (miRNA) and small interfering RNA(siRNA) play an important role in the basically physiological regulation of eukaryotic organisms. With the intensive study on siRNA and miRNA, scientists recently have discovered that there exists a novel type of small RNA named as piRNA in the mammalian testes, which is essential for physiological modulation of spermiogenesis and different from miRNA or siRNA in functions, gene distributions and characteristics. It is well believed that the more intensive research on piRNA will throw light on the delicate mechanisms of gene expression modulation for eukaryotic species.
authors.affiliation: Xin Yuan Institute of Medicine and Biotechnology, College of Life Science, Zhejiang Sci-Tech University, Hangzhou 310018, China. yanheguo2004@163.com
authors.forename: Yan-He
authors.initials: YH
authors.lastname: Guo
authors.forename: Li
authors.initials: L
authors.lastname: Liu
authors.forename: Rong
authors.initials: R
authors.lastname: Cai
authors.forename: Cheng
authors.initials: C
authors.lastname: Qian
mesh_terms: D000818:Animals; D001483:Base Sequence; D002875:Chromosomes / Q000235:genetics / Q000378:metabolism; D006801:Humans; D008969:Molecular Sequence Data; D005810:Multigene Family / Q000235:genetics*; D022661:RNA, Untranslated / Q000096:biosynthesis / Q000235:genetics / Q000378:metabolism
chemical_list: D022661:RNA, Untranslated