Summary
Resource Type
Analysis
Name
Simple Sequence Repeats (SSR) polymorphism confirmation (L. styraciflua)
Program, Pipeline, Workflow or Method Name
SSR polymorphism pipeline L. styraciflua
Program Version
n/a
Algorithm
Organism
Data Source
Date Performed
Thursday, August 16, 2018 - 15:16

John Carlson at Pennsylvania State University screened a subset of the above predicted SSRs.

Methods

Twenty four American sweetgum trees were sampled from a Pennsylvania State University provenance trial (University Park, PA). DNA was extracted using a modified CTAB method, and DNA quality was assessed on 1% agarose gels. Species primer sets were tested against all collected genotypes within a species with a PCR reaction mixture containing between 4-6 ng DNA per reaction volume, and PCR cycles as follows: 95°C-5 min, 35 cycles of 95°C- 30s, 60°C-45s, 72°C-1 min, and a final 72°C-10 min. Both amplification and polymorphism were detected on 2% agarose gels stained with 0.05% (w/v) ethidium bromide. Polymorphism was estimated based on band width.

Results

Of the 96 tested SSRs, 44 successfully amplified and 28 were found to be polymorphic.

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