Abstract
Invasive rodents are a major cause of environmental damage and biodiversity loss, particularly on islands. Unlike insects, genetic biocontrol strategies including population-suppressing gene drives with biased inheritance have not been developed in mice. Here, we demonstrate a gene drive strategy (tCRISPR) that leverages super-Mendelian transmission of the t haplotype to spread inactivating mutations in a haplosufficient female fertility gene (Prl). Using spatially explicit individual-based in silico modeling, we show that tCRISPR can eradicate island populations under a range of realistic field-based parameter values. We also engineer transgenic tCRISPR mice that, crucially, exhibit biased transmission of the modified t haplotype and Prl mutations at levels our modeling predicts would be sufficient for eradication. This is an example of a feasible gene drive system for invasive alien rodent population control.
| Original language | English |
|---|---|
| Article number | e2213308119 |
| Pages (from-to) | 1-11 |
| Number of pages | 11 |
| Journal | Proceedings of the National Academy of Sciences of the United States of America |
| Volume | 119 |
| Issue number | 46 |
| Early online date | 8 Nov 2022 |
| DOIs | |
| Publication status | Published - 15 Nov 2022 |
Bibliographical note
Copyright the Author(s) 2022. Version archived for private and non-commercial use with the permission of the author/s and according to publisher conditions. For further rights please contact the publisher.Correction: Luke Gierus, Aysegul Birand, Mark D. Bunting, Gelshan I. Godahewa, Sandra G. Piltz, Kevin P. Oh, Antoinette J. Piaggio, David W. Threadgill, John Godwin, Owain Edwards, Phillip Cassey, Joshua V. Ross, Thomas A. A. Prowse and Paul Q. Thomas (2022) Leveraging a natural murine meiotic drive to suppress invasive populations, PNAS, 120(2), e2220857120,
https://doi.org/10.1073/pnas.2220857120.
Keywords
- genetic biocontro
- gene drive
- invasive rodents
- conservation
- modeling
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