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What are the advantages of scFAST-seq for mutation analysis? Are mutations detected at DNA or RNA level? Can mutation and expression be analyzed in the same cell?
2026-06-23
Answer:
Key advantage: Enables detection of mutations across multiple positions along the transcript, not limited to 3’ or 5’ ends.
- 3'/5' scRNA-seq: Reads are restricted to regions near the cell barcode (3'/5')
- scFAST-seq: Uses random priming, allowing barcodes to associate with RNA fragments from any position. Expands mutation detection coverage across transcripts.
Mutation type:
- Detected mutations are at the RNA level, which may include: DNA-derived mutations, RNA editing events, sequencing errors.
Multi-modal capability:
- Yes, it is possible to detect both gene expression and mutations in the same single cell.
To distinguish DNA mutations vs RNA editing, parallel DNA sequencing is recommended.
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