Phylogeny of Nolana (Solanaceae) of the Atacama and Peruvian deserts inferred from sequences of four plastid markers and the nuclear LEAFY second intron

Molecular Phylogenetics and Evolution
Tieyao TuJun Wen

Abstract

The phylogeny of Nolana (Solanaceae), a genus primarily distributed in the coastal Atacama and Peruvian deserts with a few species in the Andes and one species endemic to the Galápagos Islands, was reconstructed using sequences of four plastid regions (ndhF, psbA-trnH, rps16-trnK and trnC-psbM) and the nuclear LEAFY second intron. The monophyly of Nolana was strongly supported by all molecular data. The LEAFY data suggested that the Chilean species, including Nolana sessiliflora, the N. acuminata group and at least some members of the Alona group, are basally diverged, supporting the Chilean origin of the genus. Three well-supported clades in the LEAFY tree were corroborated by the SINE (short interspersed elements) or SINE-like insertions. Taxa from Peru are grouped roughly into two clades. Nolana galapagensis from the Galápagos Island is most likely to have derived from a Peruvian ancestor. The monophyly of the morphologically well-diagnosed Nolana acuminata group (N. acuminata, N. baccata, N. paradoxa, N. parviflora, N. pterocarpa, N. rupicola and N. elegans) was supported by both plastid and LEAFY data. Incongruence between the plastid and the LEAFY data was detected concerning primarily the positions of N. sessiliflora, N....Continue Reading

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Citations

May 24, 2014·PloS One·M Virginia Sanchez-Puerta, Cinthia Carolina Abbona
Feb 5, 2013·Molecular Phylogenetics and Evolution·Elizabeth A Zimmer, Jun Wen
Jul 28, 2012·Evolution; International Journal of Organic Evolution·Cathleen JewellLeonie C Moyle
Jul 31, 2012·Molecular Phylogenetics and Evolution·Elizabeth A Zimmer, Jun Wen
Aug 7, 2013·Molecular Phylogenetics and Evolution·Yasaman SalmakiMika Bendiksby
Jun 27, 2013·Proceedings of the National Academy of Sciences of the United States of America·Pablo C GuerreroJohn J Wiens

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