The root of angiosperm phylogeny inferred from duplicate phytochrome genes

TitleThe root of angiosperm phylogeny inferred from duplicate phytochrome genes
Publication TypeJournal Article
Year of Publication1999
AuthorsMathews S, Donoghue MJ
JournalScience
Volume286
Pagination947-950
ISSN00368075
KeywordsBiological Sciences, General Science
Abstract

An analysis of duplicate phytochrome genes (PHYA and PHYC) is used to root the angiosperms, thereby avoiding the inclusion of highly diverged outgroup sequences. The results unambiguously place the root near Amborella (one species, New Caledonia) and resolve water lilies (Nymphaeales, \~{}70 species, cosmopolitan), followed by Austrobaileya (one species, Australia), as early branches. These findings bear directly on the interpretation of morphological evolution and diversification within angiosperms.

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