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Abstract Detail

MSA - Systematics/Evolution

Leebens-Mack, James H. [1], Thadeo, Marcela [2], Ames, Mercedes [3], Ané, Cecile [4], Davis, Jerrold I. [5], Gandolfo, Maria [6], Graham, Sean W. [7], Givnish, Thomas J. [8], McCombie, W. Richard [9], Pires, J. Chris [10], Stevenson, Dennis Wm. [11], Zomlefer, W. B. [12], dePamphilis, Claude W. [13].

The Utility of Monocot Transcriptome Data for Reconstructing Phylogeny and Characterizing Ancient Polyploidy.

Great advances in plant molecular systematics have come from recent analyses of plastid genomes. Phylogenomic analysis of nuclear genes is also being conducted through investigations of transcriptome sequences. Unlike plastid genome analyses, transcriptome-based phylogenomics must account for gene and genome duplications and incomplete gene sampling. We will discuss alternative methods for dealing with these issues and the utility of transcriptome data for unraveling phylogenetic relationships, and transcriptome-based phylogenic estimates will be compared with plastome-based trees. We will also show how transcriptome data are being used to estimate the timing of ancient genome duplications throughout monocot history.

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1 - University of Georgia, Department of Plant Biology, 4504 Miller Plant Sciences, Athens, GA, 30602, USA
2 - New York Botanical Garden, Science, 200th Street and Southern Blvd., Bronx, NY, 10458, USA
3 - University of Wisconsin, Botany, 430 Lincoln Dr, Madison, WI, 53706, USA
4 - University of Wisconsin-Madison, Department of Botany, 430 Lincoln Drive, Madison, WI, 53706
5 - Cornell University, L.H. Bailey Hortorium, Department of Plant Biology, Ithaca, New York, 14853, USA
6 - Cornell University, L.H. Bailey Hortorium and Department of Plant Biology, 228 Plant Science Building, Ithaca, New York, 14853, USA
7 - University of British Columbia, Botanical Garden And Centre For Plant Research, 6804 Sw Marine Drive, Vancouver, British Columbia, V6T 1Z4, Canada
8 - University of Wisconsin Madison, Department of Botany, Birge Hall, 430 Lincoln Drive, Madison, Wisconsin, 53706-1381, USA
9 - Cold Spring Harbor Laboratory, Genome Research Center
10 - University of Missouri Columbia, Biological Sciences, 1201 Rollins Road, Life Sciences Center 311, Columbia, Missouri, 65211, USA
11 - New York Botanical Garden, Institute of Systematic Botany, 200Th Street & Southern Boulevard, Bronx, New York, 10458-5126, USA
12 - University of Georgia, Department of Plant Biology, 2052 Miller Plant Sciences Building, Athens, Georgia, 30602-7271, USA
13 - Pennsylvania State University, Department of Biology, Institute of Molecular Evolutionary Genetics, and The Huck Institutes of the Life Sciences, University Park, Pennsylvania, 16802, USA

none specified

Presentation Type: Oral Paper:Papers for Topics
Session: 45
Location: Cottonwood A/Snowbird Center
Date: Tuesday, July 28th, 2009
Time: 11:30 AM
Number: 45006
Abstract ID:749