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Proceedings of the Royal Society B Biological Sciences
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Proceedings of the Royal Society B Biological Sciences
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Tracing back the origin of pumpkins (Cucurbita pepossp.pepoL.) in Mexico

descriptionPublicationkeyboard_double_arrow_right Article 14 Aug 2019 English Publisher:The Royal SocietyJournal:Proceedings of the Royal Society B: Biological Sciences, volume 286, page 20,191,440 (issn: 0962-8452, eissn: 1471-2954, Copyright policy )
Authors: Gabriela Castellanos-Morales; Karen Y. Ruiz-Mondragón; Helena S. Hernández-Rosales; Guillermo Sánchez-de la Vega; Niza Gámez; Erika Aguirre-Planter; Salvador Montes-Hernández; +2 Authors

doi: 10.1098/rspb.2019.1440

pmid: 31409251

pmc: PMC6710597

Tracing back the origin of pumpkins (Cucurbita pepossp.pepoL.) in Mexico

Abstract

Cucurbita pepois an economically important crop, which consists of cultivatedC. pepossp.pepo, and two wild taxa (C. pepossp.fraternaandC. pepossp.ovifera).We aimed at understanding the domestication and the diversity ofC. pepoin Mexico. We used two chloroplast regions and nine nuclear microsatellite loci to assess the levels of genetic variation and structure forC. pepossp.pepo's landraces sampled in 13 locations in Mexico, five improved varieties, oneC. pepossp.fraternapopulation and ornamentalC. pepossp.ovifera. We tested four hypotheses regarding the origin ofC. pepossp.pepo's ancestor through approximate Bayesian computation:C. pepossp.oviferaas the ancestor;C. pepossp.fraternaas the ancestor; an unknown extinct lineage as the ancestor; andC. pepossp.pepoas hybrid fromC. pepossp.oviferaandC. pepossp.fraternaancestors.Cucurbita pepossp.peposhowed high genetic variation and low genetic differentiation.Cucurbita pepossp.fraternaandC. pepossp.peposhared two chloroplast haplotypes. The three subspecies were well differentiated for microsatellite loci.Cucurbita pepossp.fraternawas probablyC. pepossp.pepo's wild ancestor, but subsequent hybridization between taxa complicate definingC. pepossp.pepo's ancestor.

Related Organizations
Keywords

Cell Nucleus, Domestication, Phylogeography, Chloroplasts, Cucurbita, Genetic Variation, Mexico, Microsatellite Repeats

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
20
Top 10%
Average
Top 10%
bronze