The DOI matches its Crossref record; 41 of the 41 references it cites were found in a registry or an index.
MIWI and piRNA-mediated cleavage of messenger RNAs in mouse testes
Open accessAbstract
The piRNA machinery is known for its role in mediating epigenetic silencing of transposons. Recent studies suggest that this function also involves piRNA-guided cleavage of transposon-derived transcripts. As many piRNAs also appear to have the capacity to target diverse mRNAs, this raises the intriguing possibility that piRNAs may act extensively as siRNAs to degrade specific mRNAs. To directly test this hypothesis, we compared mouse PIWI (MIWI)-associated piRNAs with experimentally identified cleaved mRNA fragments from mouse testes, and observed cleavage sites that predominantly occur at position 10 from the 5' end of putative targeting piRNAs. We also noted strong biases for U and A residues at nucleotide positions 1 and 10, respectively, in both piRNAs and mRNA fragments, features that resemble the pattern of piRNA amplification by the 'ping-pong' cycle. Through mapping of MIWI-RNA interactions by CLIP-seq and gene expression profiling, we found that many potential piRNA-targeted mRNAs directly interact with MIWI and show elevated expression levels in the testes of Miwi catalytic mutant mice. Reporter-based assays further revealed the importance of base pairing between piRNAs and mRNA targets and the requirement for both the slicer activity and piRNA-loading ability of MIWI in piRNA-mediated target repression. Importantly, we demonstrated that proper turnover of certain key piRNA targets is essential for sperm formation. Together, these findings reveal the siRNA-like function of the piRNA machinery in mouse testes and its central requirement for male germ cell development and maturation.
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The epigenetic regulatory mechanism of PIWI/piRNAs in human cancers
Zhang, Q., Zhu, Y., Cao, X., Tan, W., Yu, J., Lu, Y., Kang, R., Wang, X., & Li, E. (2023) · Molecular Cancer · doi:10.1186/s12943-023-01749-3 · Cited by 90
Stallmeyer, B., Bühlmann, C., Stakaitis, R., Dicke, A.-K., Ghieh, F., Meier, L., Zoch, A., MacKenzie MacLeod, D., Steingröver, J., Okutman, Ö., et al. (2024) · Nature Communications · doi:10.1038/s41467-024-50930-9 · Cited by 71
A Review of Discovery Profiling of PIWI-Interacting RNAs and Their Diverse Functions in Metazoans
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Metadata
- Authors
- Zhang, P., Kang, J.-Y., Gou, L.-T., Wang, J., Xue, Y., Skogerboe, G., Dai, P., Huang, D.-W., Chen, R., Fu, X.-D., Liu, M.-F., & He, S.
- Venue
- Cell Research
- Published
- 2015-01-13
- Volume
- 25
- Issue
- 2
- Pages
- 193-207
- ISSN
- 1001-0602 (ISSN-L)
- 1748-7838
- OpenAlex
- W2089971639
- Cited by
- 310
- References
- 41
- FWCI
- 35.56
- Type
- journal article
- Language
- en
- Open access
- hybrid
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