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F‐108 polymer and capillary electrophoresis easily resolves complex environmental DNA mixtures and SNPs
Author(s) -
Damaso Natalie,
Martin Lauren,
Kushwaha Priyanka,
Mills DeEtta
Publication year - 2014
Publication title -
electrophoresis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.666
H-Index - 158
eISSN - 1522-2683
pISSN - 0173-0835
DOI - 10.1002/elps.201400069
Subject(s) - amplicon , biology , single nucleotide polymorphism , genetics , capillary electrophoresis , gene , computational biology , polymerase chain reaction , microbiology and biotechnology , genotype
Ecological studies of microbial communities often use profiling methods but the true community diversity can be underestimated in methods that separate amplicons based on sequence length using performance optimized polymer 4. Taxonomically, unrelated organisms can produce the same length amplicon even though the amplicons have different sequences. F‐108 polymer has previously been shown to resolve same length amplicons by sequence polymorphisms. In this study, we showed F‐108 polymer, using the ABI Prism 310 Genetic Analyzer and CE, resolved four bacteria that produced the same length amplicon for the 16S rRNA domain V3 but have variable nucleotide content. Second, a microbial mat community profile was resolved and supported by NextGen sequencing where the number of peaks in the F‐108 profile was in concordance with the confirmed species numbers in the mat. Third, equine DNA was analyzed for SNPs. The F‐108 polymer was able to distinguish heterozygous and homozygous individuals for the melanocortin 1 receptor coat color gene. The method proved to be rapid, inexpensive, reproducible, and uses common CE instruments. The potential for F‐108 to resolve DNA mixtures or SNPs can be applied to various sample types—from SNPs to forensic mixtures to ecological communities.