title: Defining piRNA primary transcripts.
authors.forename: Xin Zhiguo
authors.initials: XZ
authors.lastname: Li
authors.forename: Christian K
authors.initials: CK
authors.lastname: Roy
authors.forename: Melissa J
authors.initials: MJ
authors.lastname: Moore
authors.forename: Phillip D
authors.initials: PD
authors.lastname: Zamore
mesh_terms: D000818:Animals; D060565:Argonaute Proteins / Q000378:metabolism; D051792:Basic Helix-Loop-Helix Proteins / Q000378:metabolism; D002874:Chromosome Mapping; D051379:Mice; D005810:Multigene Family; D011401:Promoter Regions, Genetic; D012319:RNA Polymerase II / Q000378:metabolism; D034741:RNA, Small Interfering / Q000235:genetics / Q000378:metabolism*; D013091:Spermatogenesis; D014157:Transcription Factors / Q000378:metabolism
chemical_list: D060565:Argonaute Proteins; D051792:Basic Helix-Loop-Helix Proteins; D012319:RNA Polymerase II; D034741:RNA, Small Interfering; D014157:Transcription Factors; C498272:Nhlh1 protein, mouse
keywords: A-Myb; CAGE; Miwi; Mybl1; PAS; PIWI; Piwil1; infertility; meiosis; piRNA; spermatogenesis; transcript assembly