PMID: 12775523May 31, 2003Paper

The systematic utility of floral and vegetative fragrance in two genera of nyctaginaceae

Systematic Biology
Rachel A LevinRobert A Raguso

Abstract

We examined relationships between fragrance and phylogeny using a number of approaches to coding fragrance data and comparing the hierarchical information in fragrance data with the phylogenetic signal in a DNA sequence data set. We first used distance analyses to determine which coding method(s) best distinguishes species while grouping conspecifics. Results suggest that interspecific differences in fragrance composition were maximized by coding as presence/absence of fragrance compounds and biosynthetic pathways rather than when quantitative information was also included. Useful systematic information came from both compounds and pathways and from fragrance emitted by both floral and vegetative tissues. The coding methods that emerged from the distance analyses as best distinguishing species were then adapted for use in phylogenetic analysis. Although hierarchical signal among fragrance data sets was congruent, this signal was highly incongruent with the phylogenetic signal in the DNA sequence data. Notably, topologies inferred from fragrance data sets were congruent with the DNA topology only in the most distal portions (e.g., sister group pairs or closely related species that had similar fragrance profiles were often recove...Continue Reading

Citations

Mar 26, 2016·Frontiers in Plant Science·Peter TóthHarro Bouwmeester
Jun 1, 2016·Annals of Botany·Molly C Hetherington-Rauth, Santiago R Ramírez
Nov 27, 2019·The Journal of Experimental Biology·Christopher M JerniganBrian H Smith
Mar 17, 2004·Oecologia·Mathilde DufaÿMarie-Charlotte Anstett
Jul 15, 2009·The New Phytologist·Katherine R Goodrich, Robert A Raguso
May 9, 2008·Journal of Chemical Ecology·Fabrizio SteinebrunnerAdrian Leuchtmann
Nov 6, 2015·Journal of Chemical Ecology·Samuel Prieto-BenítezLuis Giménez-Benavides
Oct 4, 2011·American Journal of Botany·Kim E SteinerStefan Dötterl
Dec 21, 2013·Annals of Botany·Mascha BischoffDiane R Campbell
Jul 18, 2006·Phytochemistry·Robert A RagusoTimothy P Holtsford

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