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Roles for the Yb body components Armitage and Yb in primary piRNA biogenesis in Drosophila
Open accessAbstract
PIWI-interacting RNAs (piRNAs) protect genome integrity from transposons. In Drosophila ovarian somas, primary piRNAs are produced and loaded onto Piwi. Here, we describe roles for the cytoplasmic Yb body components Armitage and Yb in somatic primary piRNA biogenesis. Armitage binds to Piwi and is required for localizing Piwi into Yb bodies. Without Armitage or Yb, Piwi is freed from the piRNAs and does not enter the nucleus. Thus, piRNA loading is required for Piwi nuclear entry. We propose that a functional Piwi–piRNA complex is formed and inspected in Yb bodies before its nuclear entry to exert transposon silencing.
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Citations
Cites
The Piwi-piRNA Pathway Provides an Adaptive Defense in the Transposon Arms Race
Aravin, A. A., Hannon, G. J., & Brennecke, J. (2007) · Science · doi:10.1126/science.1146484 · Cited by 1,096
Cited by
PIWI-interacting small RNAs: the vanguard of genome defence
Siomi, M. C., Sato, K., Pezic, D., & Aravin, A. A. (2011) · Nature Reviews Molecular Cell Biology · doi:10.1038/nrm3089 · Cited by 1,319
Self-citationJuliano, C., Wang, J., & Lin, H. (2011) · Annual Review of Genetics · doi:10.1146/annurev-genet-110410-132541 · Cited by 374
Structure and function of Zucchini endoribonuclease in piRNA biogenesis
Nishimasu, H., Ishizu, H., Saito, K., Fukuhara, S., Kamatani, M. K., Bonnefond, L., Matsumoto, N., Nishizawa, T., Nakanaga, K., Aoki, J., et al. (2012) · Nature · doi:10.1038/nature11509 · Cited by 351
Self-citationWatanabe, T., Chuma, S., Yamamoto, Y., Kuramochi-Miyagawa, S., Totoki, Y., Toyoda, A., Hoki, Y., Fujiyama, A., Shibata, T., Sado, T., et al. (2011) · Developmental Cell · doi:10.1016/j.devcel.2011.01.005 · Cited by 305
Czech, B., Preall, J. B., McGinn, J., & Hannon, G. J. (2013) · Molecular Cell · doi:10.1016/j.molcel.2013.04.007 · Cited by 269
Metadata
- Authors
- Saito, K., Ishizu, H., Komai, M., Kotani, H., Kawamura, Y., Nishida, K. M., Siomi, H., & Siomi, M. C.
- Venue
- Genes & Development
- Publisher
- Cold Spring Harbor Laboratory
- Published
- 2010-10-21
- Volume
- 24
- Issue
- 22
- Pages
- 2493-2498
- ISSN
- 0890-9369 (ISSN-L)
- 1549-5477
- OpenAlex
- W2158912913
- Cited by
- 301
- References
- 1
- Type
- posted content
- Language
- en
- Open access
- diamond
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- Saito, K., Ishizu, H., Komai, M., Kotani, H., Kawamura, Y., Nishida, K. M., Siomi, H., & Siomi, M. C. (2010). Roles for the Yb body components Armitage and Yb in primary piRNA biogenesis in Drosophila. Genes & Development. https://doi.org/10.1101/gad.1989510
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