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Phylogeography and genetic structure of an iconic tree of the Sonoran Desert, the Cirio (Fouquieria columnaris), based on chloroplast DNA
JOSUE JACOB MARTINEZ NOGUEZ
JOSE LUIS LEON DE LA LUZ
José Delgadillo Rodríguez
FRANCISCO JAVIER GARCIA DE LEON
Acceso Abierto
Atribución-NoComercial-SinDerivadas
DOI: https://doi.org/10.1093/biolinnean/blaa065
URL: https://academic.oup.com/biolinnean/article/130/3/433/5847667
ISSN: 00244066
Fouquieria columnaris, chloroplast DNA, demographic history, divergence times, phylogeography, Sonoran Desert
"We have examined the phylogeographical distribution of chloroplast DNA (cpDNA) lineages of Fouquieria columnaris (Kellogg) Kellogg ex Curran (Fouquieriaceae) in the Sonoran Desert, to understand how historical climatic and/or geological changes have influenced genetic patterns in the species. Using two chloroplast intergenic DNA spacers (psbJ-petA and ndhF-rpl32), we found low levels of nucleotide diversity (π = 0.0025) but high levels of haplotype diversity (h = 0.9339). Analysis of 28 haplotypes revealed four lineages, one belonging to the continental massif and three to the peninsula of Baja California. This structure may be explained and dated by three events: (1) formation of the Gulf of California during the late Miocene (7.24 Mya), (2) activity of the Tres Vírgenes volcanic field (1.20 Mya) and (3) opening of the mid-peninsula seaway during the late Pleistocene (1.53 Mya). Furthermore, the cpDNA lineages show evidence for population contraction during the Last Glacial Maximum, with a subsequent population expansion in the Holocene."
Oxford University Press
2020
Artículo
Biological Journal of the Linnean Society
Inglés
Josué J Martínez-Noguez and others, Phylogeography and genetic structure of an iconic tree of the Sonoran Desert, the Cirio (Fouquieria columnaris), based on chloroplast DNA, Biological Journal of the Linnean Society, Volume 130, Issue 3, July 2020, Pages 433–446, https://doi.org/10.1093/biolinnean/blaa065
GENÉTICA VEGETAL
Versión publicada
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