Mar 1, 2014

The effects of read length, quality and quantity on microsatellite discovery and primer development: from Illumina to PacBio

Molecular Ecology Resources
Na WeiChristopher W Dick

Abstract

The advent of next-generation sequencing (NGS) technologies has transformed the way microsatellites are isolated for ecological and evolutionary investigations. Recent attempts to employ NGS for microsatellite discovery have used the 454, Illumina, and Ion Torrent platforms, but other methods including single-molecule real-time DNA sequencing (Pacific Biosciences or PacBio) remain viable alternatives. We outline a workflow from sequence quality control to microsatellite marker validation in three plant species using PacBio circular consensus sequencing (CCS). We then evaluate the performance of PacBio CCS in comparison with other NGS platforms for microsatellite isolation, through simulations that focus on variations in read length, read quantity and sequencing error rate. Although quality control of CCS reads reduced microsatellite yield by around 50%, hundreds of microsatellite loci that are expected to have improved conversion efficiency to functional markers were retrieved for each species. The simulations quantitatively validate the advantages of long reads and emphasize the detrimental effects of sequencing errors on NGS-enabled microsatellite development. In view of the continuing improvement in read length on NGS platfo...Continue Reading

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  • Citations7

References

Mentioned in this Paper

Short Tandem Repeat
Sequencing
Massively-Parallel Sequencing
Oligonucleotide Primers
Sequence Determinations, DNA
Metaplastic Cell Transformation
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