An Integrated Hypothesis on the Domestication of Bactris gasipaes.

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Author(s): Galluzzi G;Galluzzi G; Dufour D; Dufour D; Thomas E; Thomas E; van Zonneveld M; van Zonneveld M; Escobar Salamanca AF; Escobar Salamanca AF; Giraldo Toro A; Giraldo Toro A; Rivera A; Rivera A; Salazar Duque H; Salazar Duque H; Suárez Baron H; Suárez Baron H; Gallego G; Gallego G; Scheldeman X; Scheldeman X; Gonzalez Mejia A; Gonzalez Mejia A
Source:
PloS one [PLoS One] 2015 Dec 10; Vol. 10 (12), pp. e0144644. Date of Electronic Publication: 2015 Dec 10 (Print Publication: 2015).
Publication Type:
Journal Article; Research Support, Non-U.S. Gov't
Language:
English

Additional Information
- Source:
  Publisher: Public Library of Science Country of Publication: United States NLM ID: 101285081 Publication Model: eCollection Cited Medium: Internet ISSN: 1932-6203 (Electronic) Linking ISSN: 19326203 NLM ISO Abbreviation: PLoS One Subsets: MEDLINE
- Publication Information:
  Original Publication: San Francisco, CA : Public Library of Science
- Subject Terms:
  Biodiversity* ; Genetic Variation*; Arecaceae/*genetics ; Arecaceae/*growth & development; Bolivia ; Brazil ; Colombia ; Ecosystem ; Genetics, Population ; Genotype ; Geography ; Humans ; Models, Theoretical ; Phenotype ; Population Dynamics ; Seed Dispersal/genetics
- Abstract:
  Peach palm (Bactris gasipaes Kunth) has had a central place in the livelihoods of people in the Americas since pre-Columbian times, notably for its edible fruits and multi-purpose wood. The botanical taxon includes both domesticated and wild varieties. Domesticated var gasipaes is believed to derive from one or more of the three wild types of var. chichagui identified today, although the exact dynamics and location of the domestication are still uncertain. Drawing on a combination of molecular and phenotypic diversity data, modeling of past climate suitability and existing literature, we present an integrated hypothesis about peach palm's domestication. We support a single initial domestication event in south western Amazonia, giving rise to var. chichagui type 3, the putative incipient domesticate. We argue that subsequent dispersal by humans across western Amazonia, and possibly into Central America allowed for secondary domestication events through hybridization with resident wild populations, and differential human selection pressures, resulting in the diversity of present-day landraces. The high phenotypic diversity in the Ecuadorian and northern Peruvian Amazon suggest that human selection of different traits was particularly intense there. While acknowledging the need for further data collection, we believe that our results contribute new insights and tools to understand domestication and dispersal patterns of this important native staple, as well as to plan for its conservation.
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- Publication Date:
  Date Created: 20151215 Date Completed: 20160627 Latest Revision: 20181113
- Publication Date:
  20240104
- Accession Number:
  PMC4675520
- Accession Number:
  10.1371/journal.pone.0144644
- Accession Number:
  26658881

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