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Ancient DNA reveals the timing and persistence of organellar genetic bottlenecks over 3,000 years of sunflower domestication and improvement

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Ancient DNA reveals the timing and persistence of organellar genetic bottlenecks over 3,000 years of sunflower domestication and improvement. / Wales, Nathan; Akman, Melis; Watson, Ray H.B.; Sánchez Barreiro, Fátima; Smith, Bruce D.; Gremillion, Kristen J.; Gilbert, M. Thomas P.; Blackman, Benjamin K.

In: Evolutionary applications, 09.01.2018.

Research output: Contribution to journalArticle

Harvard

Wales, N, Akman, M, Watson, RHB, Sánchez Barreiro, F, Smith, BD, Gremillion, KJ, Gilbert, MTP & Blackman, BK 2018, 'Ancient DNA reveals the timing and persistence of organellar genetic bottlenecks over 3,000 years of sunflower domestication and improvement', Evolutionary applications. https://doi.org/10.1111/eva.12594

APA

Wales, N., Akman, M., Watson, R. H. B., Sánchez Barreiro, F., Smith, B. D., Gremillion, K. J., Gilbert, M. T. P., & Blackman, B. K. (2018). Ancient DNA reveals the timing and persistence of organellar genetic bottlenecks over 3,000 years of sunflower domestication and improvement. Evolutionary applications. https://doi.org/10.1111/eva.12594

Vancouver

Wales N, Akman M, Watson RHB, Sánchez Barreiro F, Smith BD, Gremillion KJ et al. Ancient DNA reveals the timing and persistence of organellar genetic bottlenecks over 3,000 years of sunflower domestication and improvement. Evolutionary applications. 2018 Jan 9. https://doi.org/10.1111/eva.12594

Author

Wales, Nathan ; Akman, Melis ; Watson, Ray H.B. ; Sánchez Barreiro, Fátima ; Smith, Bruce D. ; Gremillion, Kristen J. ; Gilbert, M. Thomas P. ; Blackman, Benjamin K. / Ancient DNA reveals the timing and persistence of organellar genetic bottlenecks over 3,000 years of sunflower domestication and improvement. In: Evolutionary applications. 2018.

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@article{3c6a6eb1cda340b6978d9c06f25f93b2,
title = "Ancient DNA reveals the timing and persistence of organellar genetic bottlenecks over 3,000 years of sunflower domestication and improvement",
abstract = "Here, we report a comprehensive paleogenomic study of archaeological and ethnographic sunflower remains that provides significant new insights into the process of domestication of this important crop. DNA from both ancient and historic contexts yielded high proportions of endogenous DNA, and although archaeological DNA was found to be highly degraded, it still provided sufficient coverage to analyze genetic changes over time. Shotgun sequencing data from specimens from the Eden's Bluff archaeological site in Arkansas yielded organellar DNA sequence from specimens up to 3,100 years old. Their sequences match those of modern cultivated sunflowers and are consistent with an early domestication bottleneck in this species. Our findings also suggest that recent breeding of sunflowers has led to a loss of genetic diversity that was present only a century ago in Native American landraces. These breeding episodes also left a profound signature on the mitochondrial and plastid haplotypes in cultivars, as two types were intentionally introduced from other Helianthus species for crop improvement. These findings gained from ancient and historic sunflower specimens underscore how future in-depth gene-based analyses can advance our understanding of the pace and targets of selection during the domestication of sunflower and other crop species.",
keywords = "Helianthus annuus, Ancient DNA, Archaeobotany, Domestication, Genetic bottleneck, Paleogenomics, Plant evolution, Sunflower",
author = "Nathan Wales and Melis Akman and Watson, {Ray H.B.} and {S{\'a}nchez Barreiro}, F{\'a}tima and Smith, {Bruce D.} and Gremillion, {Kristen J.} and Gilbert, {M. Thomas P.} and Blackman, {Benjamin K.}",
note = "{\textcopyright} 2018 The Authors",
year = "2018",
month = jan,
day = "9",
doi = "10.1111/eva.12594",
language = "English",
journal = "Evolutionary applications",
issn = "1752-4571",
publisher = "Wiley-Blackwell",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - Ancient DNA reveals the timing and persistence of organellar genetic bottlenecks over 3,000 years of sunflower domestication and improvement

AU - Wales, Nathan

AU - Akman, Melis

AU - Watson, Ray H.B.

AU - Sánchez Barreiro, Fátima

AU - Smith, Bruce D.

AU - Gremillion, Kristen J.

AU - Gilbert, M. Thomas P.

AU - Blackman, Benjamin K.

N1 - © 2018 The Authors

PY - 2018/1/9

Y1 - 2018/1/9

N2 - Here, we report a comprehensive paleogenomic study of archaeological and ethnographic sunflower remains that provides significant new insights into the process of domestication of this important crop. DNA from both ancient and historic contexts yielded high proportions of endogenous DNA, and although archaeological DNA was found to be highly degraded, it still provided sufficient coverage to analyze genetic changes over time. Shotgun sequencing data from specimens from the Eden's Bluff archaeological site in Arkansas yielded organellar DNA sequence from specimens up to 3,100 years old. Their sequences match those of modern cultivated sunflowers and are consistent with an early domestication bottleneck in this species. Our findings also suggest that recent breeding of sunflowers has led to a loss of genetic diversity that was present only a century ago in Native American landraces. These breeding episodes also left a profound signature on the mitochondrial and plastid haplotypes in cultivars, as two types were intentionally introduced from other Helianthus species for crop improvement. These findings gained from ancient and historic sunflower specimens underscore how future in-depth gene-based analyses can advance our understanding of the pace and targets of selection during the domestication of sunflower and other crop species.

AB - Here, we report a comprehensive paleogenomic study of archaeological and ethnographic sunflower remains that provides significant new insights into the process of domestication of this important crop. DNA from both ancient and historic contexts yielded high proportions of endogenous DNA, and although archaeological DNA was found to be highly degraded, it still provided sufficient coverage to analyze genetic changes over time. Shotgun sequencing data from specimens from the Eden's Bluff archaeological site in Arkansas yielded organellar DNA sequence from specimens up to 3,100 years old. Their sequences match those of modern cultivated sunflowers and are consistent with an early domestication bottleneck in this species. Our findings also suggest that recent breeding of sunflowers has led to a loss of genetic diversity that was present only a century ago in Native American landraces. These breeding episodes also left a profound signature on the mitochondrial and plastid haplotypes in cultivars, as two types were intentionally introduced from other Helianthus species for crop improvement. These findings gained from ancient and historic sunflower specimens underscore how future in-depth gene-based analyses can advance our understanding of the pace and targets of selection during the domestication of sunflower and other crop species.

KW - Helianthus annuus

KW - Ancient DNA

KW - Archaeobotany

KW - Domestication

KW - Genetic bottleneck

KW - Paleogenomics

KW - Plant evolution

KW - Sunflower

UR - http://www.scopus.com/inward/record.url?scp=85041912225&partnerID=8YFLogxK

U2 - 10.1111/eva.12594

DO - 10.1111/eva.12594

M3 - Article

AN - SCOPUS:85041912225

JO - Evolutionary applications

JF - Evolutionary applications

SN - 1752-4571

ER -