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A germline-specific class of small RNAs binds mammalian Piwi proteins

Author

Listed:
  • Angélique Girard

    (Watson School of Biological Sciences
    Ecole Nationale Supérieure des Mines de Paris)

  • Ravi Sachidanandam

    (Watson School of Biological Sciences)

  • Gregory J. Hannon

    (Watson School of Biological Sciences)

  • Michelle A. Carmell

    (Watson School of Biological Sciences)

Abstract

A new type of RNAi In RNA interference, small RNAs (siRNAs or miRNAs) act to regulate gene expression. They serve as specificity factors that direct the RISC (RNA-induced silencing) complex to the complementary mRNA targets. A major component of RISC is a protein of the Argonaute family. Two groups have now identified a new class of small RNAs that interact with one Argonaute subfamily, the Piwi class. These testis-specific small RNAs, called 'piRNAs', are slightly longer than the previously described small RNAs. The function of the piRNAs is not yet known, but they might be involved in sperm production.

Suggested Citation

  • Angélique Girard & Ravi Sachidanandam & Gregory J. Hannon & Michelle A. Carmell, 2006. "A germline-specific class of small RNAs binds mammalian Piwi proteins," Nature, Nature, vol. 442(7099), pages 199-202, July.
    • Handle: RePEc:nat:nature:v:442:y:2006:i:7099:d:10.1038_nature04917
    DOI: 10.1038/nature04917
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    Cited by:

    1. Xiaolong Lv & Wen Xiao & Yana Lai & Zhaozhen Zhang & Hongdao Zhang & Chen Qiu & Li Hou & Qin Chen & Duanduan Wang & Yun Gao & Yuanyuan Song & Xinjia Shui & Qinghua Chen & Ruixin Qin & Shuang Liang & W, 2023. "The non-redundant functions of PIWI family proteins in gametogenesis in golden hamsters," Nature Communications, Nature, vol. 14(1), pages 1-16, December.
    2. Ariane Lismer & Sarah Kimmins, 2023. "Emerging evidence that the mammalian sperm epigenome serves as a template for embryo development," Nature Communications, Nature, vol. 14(1), pages 1-22, December.
    3. Liina Nagirnaja & Alexandra M. Lopes & Wu-Lin Charng & Brian Miller & Rytis Stakaitis & Ieva Golubickaite & Alexandra Stendahl & Tianpengcheng Luan & Corinna Friedrich & Eisa Mahyari & Eloise Fadial &, 2022. "Diverse monogenic subforms of human spermatogenic failure," Nature Communications, Nature, vol. 13(1), pages 1-18, December.
    4. Susanne Bornelöv & Benjamin Czech & Gregory J. Hannon, 2022. "An evolutionarily conserved stop codon enrichment at the 5′ ends of mammalian piRNAs," Nature Communications, Nature, vol. 13(1), pages 1-14, December.
    5. Gangming Zhang & Chunwei Zheng & Yue-he Ding & Craig Mello, 2024. "Casein kinase II promotes piRNA production through direct phosphorylation of USTC component TOFU-4," Nature Communications, Nature, vol. 15(1), pages 1-11, December.

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