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Abstract Detail


Systematics Section / ASPT

McNeal, Joel R. [1], Bennett, Jonathan R. [2], Wolfe, Andrea D. [3], Mathews, Sarah [1].

Five-gene phylogeny of Orobanchaceae (Broomrape Family).

THE family Orobanchaceae is nearly cosmopolitan in distribution and contains the most agriculturally damaging parasitic weeds in the world. We have gathered DNA sequence data from more than 50 genera and 170 species of Orobanchaceae using both nuclear (ribosomal internal transcribed spacer, phytochrome A, and phytochrome B) and plastid (ribosomal protein subunit 2 and maturase K) loci in order to ascertain phylogenetic relationships within the family. We have greatly augmented taxon sampling for genes previously used for Orobanchaceae phylogenetics, and novel phyB data corroborates published phylogenies from the other individual loci. The combined five-gene dataset represents the highest degree of taxonomic sampling within this economically important family to date and provides greater phylogenetic resolution than the single-gene phylogenies.


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1 - Harvard University, Arnold Arboretum, Harvard University Herbaria, 22 Divinity Avenue, Cambridge, Massachusetts, 02138, USA
2 - Natural History Museum, Department of Botany, Cromwell Road, London, SW7 5BD, England
3 - Ohio State University, Department of Evolution, Ecology and Organismal Biology, 300 Aronoff Laboratory, 318 W. 12th Ave., Columbus, Ohio, 43210-1293, USA

Keywords:
Orobanchaceae
phylogeny
phytochrome
matK
rps2
ITS.

Presentation Type: Oral Paper:Papers for Sections
Session: 50-7
Location: 144/Performing Arts Center
Date: Tuesday, August 1st, 2006
Time: 4:00 PM
Abstract ID:636


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