Molecular characterization of mitochondrial Zucchini and its relation to nuage-piRNA pathway components in Bombyx mori ovary-derived BmN4 cells

Anandrao Ashok Patil, Tsuneyuki Tatsuke, Hiroaki Mon, Man Lee, Daisuke Morokuma, Masato Hino, Takahiro Kusakabe

研究成果: ジャーナルへの寄稿記事

2 引用 (Scopus)

抄録

Piwi-interacting RNAs (piRNAs) are a class of small non-coding RNAs that associate with PIWI subfamily proteins, which play an important role in transposon silencing in animal germ cell. The piRNAs biogenesis is divided into two major pathways: primary and secondary, and both pathways are independent of double-stranded RNA-processing enzyme Dicer, which processes the single-stranded RNA transcripts in microRNA (miRNA) and siRNA (small interfering RNA) pathway. Primary piRNAs are processed from long non-coding RNA precursors transcribed from piRNA clusters. Zucchini (Zuc), a mitochondrial phospholipase D (PLD) superfamily protein is conserved among the animals and involved in piRNA biogenesis. Recent studies showed that the Zucchini is an endoribonuclease essential for primary piRNA maturation and production of phased piRNA in secondary piRNA biogenesis of drosophila germ cell. Based on these reports, here we identified and studied the silkworm Zucchini (BmZuc) at subcellular level in ovary-derived BmN4 cell. The silkworm Zuc specifically expressed in germ-related tissues and localized on mitochondria and partially co-localized with perinuclear nuage-piRNA pathway components and nuage marker protein BmVasa. Molecular dissection analyses revealed that the conserved mitochondrial localization sequence, RGV motif, PLDc 2 domain and HKD motif are important for the BmZuc mitochondrial localization. Moreover, the knockdown analyses showed that the piRNA pathway components are independent on BmZuc for their nuage localization, whereas BmZuc depend on piRNA pathway components for the proper localization. Our data provides vital information on mitochondrial BmZuc and its relationship to “nuage” in ovary-derived BmN4 cell.

元の言語英語
ページ(範囲)971-978
ページ数8
ジャーナルBiochemical and Biophysical Research Communications
493
発行部数2
DOI
出版物ステータス出版済み - 11 18 2017

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Bombyx
Small Interfering RNA
Ovary
Germ Cells
Animals
Cells
Endoribonucleases
Ribonuclease III
Long Noncoding RNA
Small Untranslated RNA
Dissection
Phospholipase D
Proteins
Mitochondria
Double-Stranded RNA
RNA Precursors
MicroRNAs
Drosophila

All Science Journal Classification (ASJC) codes

  • Biophysics
  • Biochemistry
  • Molecular Biology
  • Cell Biology

これを引用

Molecular characterization of mitochondrial Zucchini and its relation to nuage-piRNA pathway components in Bombyx mori ovary-derived BmN4 cells. / Patil, Anandrao Ashok; Tatsuke, Tsuneyuki; Mon, Hiroaki; Lee, Man; Morokuma, Daisuke; Hino, Masato; Kusakabe, Takahiro.

:: Biochemical and Biophysical Research Communications, 巻 493, 番号 2, 18.11.2017, p. 971-978.

研究成果: ジャーナルへの寄稿記事

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abstract = "Piwi-interacting RNAs (piRNAs) are a class of small non-coding RNAs that associate with PIWI subfamily proteins, which play an important role in transposon silencing in animal germ cell. The piRNAs biogenesis is divided into two major pathways: primary and secondary, and both pathways are independent of double-stranded RNA-processing enzyme Dicer, which processes the single-stranded RNA transcripts in microRNA (miRNA) and siRNA (small interfering RNA) pathway. Primary piRNAs are processed from long non-coding RNA precursors transcribed from piRNA clusters. Zucchini (Zuc), a mitochondrial phospholipase D (PLD) superfamily protein is conserved among the animals and involved in piRNA biogenesis. Recent studies showed that the Zucchini is an endoribonuclease essential for primary piRNA maturation and production of phased piRNA in secondary piRNA biogenesis of drosophila germ cell. Based on these reports, here we identified and studied the silkworm Zucchini (BmZuc) at subcellular level in ovary-derived BmN4 cell. The silkworm Zuc specifically expressed in germ-related tissues and localized on mitochondria and partially co-localized with perinuclear nuage-piRNA pathway components and nuage marker protein BmVasa. Molecular dissection analyses revealed that the conserved mitochondrial localization sequence, RGV motif, PLDc 2 domain and HKD motif are important for the BmZuc mitochondrial localization. Moreover, the knockdown analyses showed that the piRNA pathway components are independent on BmZuc for their nuage localization, whereas BmZuc depend on piRNA pathway components for the proper localization. Our data provides vital information on mitochondrial BmZuc and its relationship to “nuage” in ovary-derived BmN4 cell.",
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AU - Mon, Hiroaki

AU - Lee, Man

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AU - Hino, Masato

AU - Kusakabe, Takahiro

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AB - Piwi-interacting RNAs (piRNAs) are a class of small non-coding RNAs that associate with PIWI subfamily proteins, which play an important role in transposon silencing in animal germ cell. The piRNAs biogenesis is divided into two major pathways: primary and secondary, and both pathways are independent of double-stranded RNA-processing enzyme Dicer, which processes the single-stranded RNA transcripts in microRNA (miRNA) and siRNA (small interfering RNA) pathway. Primary piRNAs are processed from long non-coding RNA precursors transcribed from piRNA clusters. Zucchini (Zuc), a mitochondrial phospholipase D (PLD) superfamily protein is conserved among the animals and involved in piRNA biogenesis. Recent studies showed that the Zucchini is an endoribonuclease essential for primary piRNA maturation and production of phased piRNA in secondary piRNA biogenesis of drosophila germ cell. Based on these reports, here we identified and studied the silkworm Zucchini (BmZuc) at subcellular level in ovary-derived BmN4 cell. The silkworm Zuc specifically expressed in germ-related tissues and localized on mitochondria and partially co-localized with perinuclear nuage-piRNA pathway components and nuage marker protein BmVasa. Molecular dissection analyses revealed that the conserved mitochondrial localization sequence, RGV motif, PLDc 2 domain and HKD motif are important for the BmZuc mitochondrial localization. Moreover, the knockdown analyses showed that the piRNA pathway components are independent on BmZuc for their nuage localization, whereas BmZuc depend on piRNA pathway components for the proper localization. Our data provides vital information on mitochondrial BmZuc and its relationship to “nuage” in ovary-derived BmN4 cell.

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