Double-Stranded Library Preparation for Ancient and Other Degraded Samples.

High-throughput sequencing (HTS) allows fast and cost-efficient sequencing of ancient DNA (aDNA) without prior information about what sequences should be targeted. One necessary step for HTS is the preparation of a sequencing library. Commercial kits are available for this purpose, but many of these are not suitable for aDNA or other types of damaged DNA. Here, we outline a protocol for HTS library preparation that is optimized for ancient DNA. We report the library conversion rate for a range of input template and adapter concentrations. Our results show that the protocol performs at a high efficiency.

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