Massively parallel jumping assay decodes Alu retrotransposition activity
The human genome contains millions of retrotransposons, several of which could become active due to somatic mutations having phenotypic consequences, including disease. However, it is not thoroughly understood how nucleotide changes in retrotransposons affect their jumping activity. Here, we developed a novel massively parallel jumping assay (MPJA) that can test the jumping potential of thousands of transposons en masse. We generated nucleotide variant library of selected four Alu retrotransposons containing 165,087 different haplotypes and tested them for their jumping ability using MPJA. We found 66,821 unique jumping haplotypes, allowing us to pinpoint domains and variants vital for transposition. Mapping these variants to the Alu-RNA secondary structure revealed stem-loop features that contribute to jumping potential. Combined, our work provides a novel high-throughput assay that assesses the ability of retrotransposons to jump and identifies nucleotide changes that have the potential to reactivate them in the human genome.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - year:2024 |
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| Enthalten in: |
bioRxiv : the preprint server for biology - (2024) vom: 19. Apr. |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Matharu, Navneet [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Revised 02.05.2024 published: Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1101/2024.04.16.589814 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM371487374 |
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| 520 | |a The human genome contains millions of retrotransposons, several of which could become active due to somatic mutations having phenotypic consequences, including disease. However, it is not thoroughly understood how nucleotide changes in retrotransposons affect their jumping activity. Here, we developed a novel massively parallel jumping assay (MPJA) that can test the jumping potential of thousands of transposons en masse. We generated nucleotide variant library of selected four Alu retrotransposons containing 165,087 different haplotypes and tested them for their jumping ability using MPJA. We found 66,821 unique jumping haplotypes, allowing us to pinpoint domains and variants vital for transposition. Mapping these variants to the Alu-RNA secondary structure revealed stem-loop features that contribute to jumping potential. Combined, our work provides a novel high-throughput assay that assesses the ability of retrotransposons to jump and identifies nucleotide changes that have the potential to reactivate them in the human genome | ||
| 650 | 4 | |a Preprint | |
| 700 | 1 | |a Zhao, Jingjing |e verfasserin |4 aut | |
| 700 | 1 | |a Sohota, Ajuni |e verfasserin |4 aut | |
| 700 | 1 | |a Deng, Linbei |e verfasserin |4 aut | |
| 700 | 1 | |a Hung, Yan |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Zizheng |e verfasserin |4 aut | |
| 700 | 1 | |a Sims, Jasmine |e verfasserin |4 aut | |
| 700 | 1 | |a Rattanasopha, Sawitree |e verfasserin |4 aut | |
| 700 | 1 | |a Meyer, Josh |e verfasserin |4 aut | |
| 700 | 1 | |a Carbone, Lucia |e verfasserin |4 aut | |
| 700 | 1 | |a Kircher, Martin |e verfasserin |4 aut | |
| 700 | 1 | |a Ahituv, Nadav |e verfasserin |4 aut | |
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