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Abstract Detail


Wen, Jun [1], Zhang, Ning [2], Chen, Lisheng [3], Johnson, Gabriel [3], Ickert-Bond, Stefanie [4], Zimmer, Elizabeth [5].

A phylogeny of the grape genus Vitis (Vitaceae) based on plastome sequences assembled from genome skimming.

Phylogenetic analyses of the economically important grape genus were conducted via genome skimming for complete plastome sequences using next generation sequencing on the Illumina NextSeq 500 platform. The study sampled extensively the North American Vitis species with the morphological and geographic diversity of the Eurasian species also represented. The chloroplast genome assemblies employed the plastome reference sequence of Vitis vinifera as well as de novo assemblies using Velvet. Overall the sequence divergence among the North American species of Vitis subgenus Vitis was low. Bayesian and maximum likelihood partitioned analyses suggest that Vitis californica is sister to the clade of Eurasian species. This clade (V. californica + Eurasian species of Vitis subgenus Vitis) is then sister to the clade of Vitis subgenus Vitis from North America and the Neotropics. The Neotropical V. tiliifolia and the Mexican V. biformis form a clade sister to the clade of the remaining North American species (except V. californica). Vitis girdiana from southern California is sister to V. arizonica and not closely related to V. californica. Vitis cinerea currently comprises five varieties in the phylogeny, and these varieties did not form a clade. Thus, the V. cinerea species complex needs to be re-defined into several species.

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1 - Smithsonian Institution, Botany, MRC-166 National Museum Of Natural History, 10th St. & Constitution Ave., NW, MRC 166, Washington/DC, N/A, 20013-7012, USA
2 - FDA/Center for Food Safety and Applied Nutrition, Office of Regulatory Science/DAC/MDB, 5100 Paint Branch Parkway, College Park, MD, 20740
3 - Smithsonian Institution, Botany, P.O. Box 7012, NMNH, MRC 166, Washington, D.C., 20013
4 - University Of Alaska Museum Of The North, Herbarium (ALA) And Dept. Of Biology And Wildlife, University Of Alaska Fairbanks, 907 Yukon Dr., Fairbanks, AK, 99775, USA
5 - Smithsonian National Museum Of Natural History, MUSEUM SUPPORT CENTER, P.O. Box 37102, Washington, DC, 20013-7102, USA


Presentation Type: Oral Paper
Session: 41, Basal Rosids & Rosids I
Location: 101/Savannah International Trade and Convention Center
Date: Wednesday, August 3rd, 2016
Time: 8:30 AM
Number: 41003
Abstract ID:93
Candidate for Awards:None

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