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PLoS One. 2013 Nov 28;8(11):e81853. doi: 10.1371/journal.pone.0081853. eCollection 2013.

32 species validation of a new Illumina paired-end approach for the development of microsatellites.

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1
Savannah River Ecology Laboratory, University of Georgia, Aiken, South Carolina, United States of America.

Abstract

Development and optimization of novel species-specific microsatellites, or simple sequence repeats (SSRs) remains an important step for studies in ecology, evolution, and behavior. Numerous approaches exist for identifying new SSRs that vary widely in terms of both time and cost investments. A recent approach of using paired-end Illumina sequence data in conjunction with the bioinformatics pipeline, PAL_FINDER, has the potential to substantially reduce the cost and labor investment while also improving efficiency. However, it does not appear that the approach has been widely adopted, perhaps due to concerns over its broad applicability across taxa. Therefore, to validate the utility of the approach we developed SSRs for 32 species representing 30 families, 25 orders, 11 classes, and six phyla and optimized SSRs for 13 of the species. Overall the IPE method worked extremely well and we identified 1000s of SSRs for all species (mean = 128,485), with 17% of loci being potentially amplifiable loci, and 25% of these met our most stringent criteria designed to that avoid SSRs associated with repetitive elements. Approximately 61% of screened primers yielded strong amplification of a single locus.

PMID:
24312368
PMCID:
PMC3842982
DOI:
10.1371/journal.pone.0081853
[Indexed for MEDLINE]
Free PMC Article
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