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An improved experimental pipeline for preparing circular ssDNA viruses for next-generation sequencing

Aimone, C. D.; Hoyer, J. S.; Dye, A. E.; Deppong, D. O.; Duffy, S.; Carbone, I.; Hanley-Bowdoin, L.

2020-10-01 plant biology
10.1101/2020.09.30.321224 bioRxiv
Show abstract

We present an optimized protocol for enhanced amplification and enrichment of viral DNA for Next Generation Sequencing of begomovirus genomes. The rapid ability of these viruses to evolve threatens many crops and underscores the importance of using next generation sequencing efficiently to detect and understand the diversity of these viruses. We combined enhanced rolling circle amplification (RCA) with EquiPhi29 polymerase and size selection to generate a cost-effective, short-read sequencing method. This optimized protocol produced short-read sequencing with at least 50% of the reads mapping to the viral reference genome. We provide other insights into common misconceptions about RCA and lessons we have learned from sequencing single-stranded DNA viruses. Our protocol can be used to examine viral DNA as it moves through the entire pathosystem from host to vector, providing valuable information for viral DNA population studies, and would likely work well with other CRESS DNA viruses. HighlightsO_LIProtocol for short-read, high throughput sequencing of single-stranded DNA viruses using random primers C_LIO_LIComparison of the sequencing of total DNA versus size-selected DNA C_LIO_LIComparison of phi29 and Equiphi29 DNA polymerases for rolling circle amplification of viral single-stranded DNA genomes C_LI

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"Similar papers" are the closest papers from that journal in the model's embedding space. They show what the match is built on, but the ranking comes mostly from a classifier over the whole training set, not from these examples alone.