Phylogeography and demographic history of Zamia paucijuga Wieland (Zamiaceae), a cycad species from the Mexican Pacific slope

  title={Phylogeography and demographic history of Zamia paucijuga Wieland (Zamiaceae), a cycad species from the Mexican Pacific slope},
  author={Janet Nolasco-Soto and Jorge Gonz{\'a}lez-Astorga and Fernando Nicolalde‐Morej{\'o}n and Francisco Vergara-Silva and Alejandro Espinosa de los Monteros and Anwar Medina-Villarreal},
  journal={Plant Systematics and Evolution},
We have investigated the phylogeographic structure and demographic history of Zamia paucijuga, based on 120 ITS2 and 117 psbK/I sequences from 13 populations distributed along the entire distribution range of the species. We have detected 15 ITS2 and four psbK/I haplotypes, for a total of 19. The genetic diversity estimated for psbK/I was relatively lower than the ITS2 diversity. These results imply that the average genetic diversity in Z. paucijuga is lower in comparison with other cycad… 
5 Citations

Figures and Tables from this paper

Phenotypic variation of Zamia loddigesii Miq. and Z. prasina W.Bull. (Zamiaceae, Cycadales): the effect of environmental heterogeneity
Despite the significant inter-population variation observed in the two species, greater inter-specific differences were observed based on generalized linear models, and the variation found could be related to the local ecological adaptions that tend to maximize the populations adaptation.
Disentangling the identity of Zamia from Mexican Pacific seaboard, with a description of a new species
The new species Z. stenophyllidia which is described from Michoacan, Mexico is interesting for its sympatry with Dioon stevensonii, a species that has been a model for the study of the formation of modern Neotropical forests.
Morphometric and geographical variation in the Ceratozamia mexicana Brongn. (Zamiaceae) complex: evolutionary and taxonomic implications
This research evaluated population-level morphological variation (i.e. phenotype) in related plants of Ceratozamia that share geological and ecological units, seeking a refined taxonomic assessment of their populations in an explicitly evolutionary context.
Ancient vicariance and climate‐driven extinction explain continental‐wide disjunctions in Africa: the case of the Rand Flora genus Canarina (Campanulaceae)
The results suggest that Canarina originated in East Africa and later migrated across North Africa, with vicariance and aridification‐driven extinction explaining the 7000 km/7 million year divergence between the Canarian and East African endemics.


Low Intralineage Divergence in Ceratozamia (Zamiaceae) Detected with Nuclear Ribosomal DNA ITS and Chloroplast DNA trnL-F Non-coding Region
The molecular phylogeny of Ceratozamia revealed three main clades, which allow for biogeographic interpretations, and the most basal clade suggests a probable ancestral geographic area for CeratoZamia in Southeast Mexico.
Genetic diversity and phylogeographic analysis of Pinus leiophylla: a post‐glacial range expansion
The results indicate that one of the three potential areas hypothesized to have harboured ancestral populations of Pinus leiophylla may be related to the origin of P. chihuahuana, while the other two may be unrelated to the start of this species.
Allozyme diversity levels in two congeneric Dioon spp. (Zamiaceae, Cycadales) with contrasting rarities
The comparison of population genetic structure information with historical and geographical aspects of the populations suggests that the rarity of D. caputoi might be due to relatively recent local ecological factors, and genetic structure does not differ between the two species despite their contrasting geographic distributions.
Diversity and genetic structure of the endangered cycad Dioon sonorense (Zamiaceae) from Sonora, Mexico: Evolutionary and conservation implications
The results indicate that the geographical isolation caused by the historical effects of the Pleistocene among populations has probably generated clinal variation of the allelic frequencies at two loci, in relation to their latitudinal distribution.
Diversity and genetic structure of three species of Dioon Lindl. (Zamiaceae, Cycadales) from the Pacific seaboard of Mexico
Comparison of the inferred genetic structure based on F-statistics for the three species indicated differences along the north-south Pacific seaboard axis and a phenogram representing Nei's genetic distances among populations displayed three major groups, each one corresponding to each of the studied species.
Allozyme variation in the three extant populations of the narrowly endemic cycad Dioon angustifolium Miq. (Zamiaceae) from North-eastern Mexico.
Dioon angustifolium presents high levels of genetic diversity compared with other cycad species, in spite of small population sizes, and the recent bottleneck effect did not effectively reduce the genetic variation to the extent of eliminating these populations.
Genetic diversity and structure of the cycad Zamia loddigesii Miq. (Zamiaceae): implications for evolution and conservation
The results indicated that the geographical isolation among populations of Z. loddigesii generated allele loss, as well as a clinal variation in the frequencies of two loci ( MDH and MNR2 ), in relation to the latitudinal distribution of populations.
Population genetics of Dioon edule Lindl. (Zamiaceae, Cycadales): biogeographical and evolutionary implications
Dioon edule Lindl. (Zamiaceae) is a cycad endemic to Mexico, that occurs as one species D. edule and the geographical variety D. edule var. angustifolium (Miq.) Miq. Dioon edule has a north to south
Phylogeography of Cycas revoluta Thunb. (Cycadaceae) on the Ryukyu Islands: very low genetic diversity and geographical structure
A reasonable explanation for the low genetic diversity of the cycad on the Ryukyu Islands could be severe bottleneck effects, resulting from the submersion of low islands and the diminished landmass of islands in the interglacial age in the Quaternary period.
Morphological and geographic variation of the cycad Dioon edule Lindl. (Zamiaceae): ecological and evolutionary implications
A great variation of important ecological and evolutionary parameters was shown in Dioon edule Lindl, and the multiple range test showed three groups with a north to south distributional relationship along the range of the species.