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Abstract Detail

Population Genetics/Genomics

Moore, Erika [1], Siniscalchi, Carolina [1], Mandel, Jennifer [1].

Genetic comparison of newly discovered population of endangered Helianthus verticillatus (Asteraceae) found in Mississippi.

Determining the genetic structure of isolated or fragmented species is of critical importance when planning a suitable conservation strategy. Helianthus verticillatus (Asteraceae) is a sunflower species that is federally listed as an endangered species. The distribution of the species is only recorded to have five populations within three locations: Alabama, Tennessee, and Georgia. Recently, there was a new population discovered in Mississippi. In this study, the DNA of thirteen individuals within this recently discovered population were genotyped using nineteen nuclear SSRs originating from the cultivated sunflower (Helianthus annuus L.) expressed sequence tag (EST) database, which is known to be transferable to H. verticillatus and its putative parental taxa. The Mississippi population was then examined for genetic diversity to compare with the other five known populations. The results of this study shows a high percentage of molecular variance within and among populations at nuclear loci.

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Lab affiliation

1 - University of Memphis, Biological Sciences Department, Ellington Hall, 3700 Walker Ave, Memphis, TN, 38152, United States

population genetics

Presentation Type: Poster
Session: P, Population Genetics/Genomics Posters
Location: Arizona Ballroom/Starr Pass
Date: Monday, July 29th, 2019
Time: 5:30 PM This poster will be presented at 5:30 pm. The Poster Session runs from 5:30 pm to 7:00 pm. Posters with odd poster numbers are presented at 5:30 pm, and posters with even poster numbers are presented at 6:15 pm.
Number: PPG001
Abstract ID:141
Candidate for Awards:Genetics Section Poster Award

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