Convergent evolution and parallelism in plant domestication revealed by an expanding archaeological record

Dorian Q. Fuller, Tim Denham, Manuel Arroyo-Kalin, Leilani Lucas, Chris J. Stevens, Ling Qin, Robin G. Allaby, Michael D. Purugganan

Research output: Contribution to journalArticle

Abstract

and approved November 15, 2013 (received for review September 11, 2013) Recent increases in archaeobotanical evidence offer insights into the processes of plant domestication and agricultural origins, which evolved in parallel in several world regions. Many different crop species underwent convergent evolution and acquired domestication syndrome traits. For a growing number of seed crop species, these traits can be quantified by proxy from archaeological evidence, providing measures of the rates of change during domestication. Among domestication traits, nonshattering cereal ears evolved more quickly in general than seed size. Nevertheless, most domestication traits show similarly slow rates of phenotypic change over several centuries to millennia, and these rates were similar across different regions of origin. Crops reproduced vegetatively, including tubers and many fruit trees, are less easily documented in terms of morphological domestication, but multiple lines of evidence outline some patterns in the development of vegecultural systems across the New World and Old World tropics. Pathways to plant domestication can also be compared in terms of the cultural and economic factors occurring at the start of the process. Whereas agricultural societies have tended to converge on higher population densities and sedentism, in some instances cultivation began among sedentary hunter-gatherers whereas more often it was initiated by mobile societies of hunter-gatherers or herder-gatherers.

Original languageEnglish (US)
Pages (from-to)6147-6152
Number of pages6
JournalProceedings of the National Academy of Sciences of the United States of America
Volume111
Issue number17
DOIs
StatePublished - Apr 29 2014

Fingerprint

Seeds
Proxy
Population Density
Domestication
Ear
Fruit
Economics
Edible Grain

Keywords

  • Agriculture
  • Archaeobotany
  • Archaeology
  • Neolithic
  • Vegeculture

ASJC Scopus subject areas

  • General

Cite this

Convergent evolution and parallelism in plant domestication revealed by an expanding archaeological record. / Fuller, Dorian Q.; Denham, Tim; Arroyo-Kalin, Manuel; Lucas, Leilani; Stevens, Chris J.; Qin, Ling; Allaby, Robin G.; Purugganan, Michael D.

In: Proceedings of the National Academy of Sciences of the United States of America, Vol. 111, No. 17, 29.04.2014, p. 6147-6152.

Research output: Contribution to journalArticle

Fuller, Dorian Q. ; Denham, Tim ; Arroyo-Kalin, Manuel ; Lucas, Leilani ; Stevens, Chris J. ; Qin, Ling ; Allaby, Robin G. ; Purugganan, Michael D. / Convergent evolution and parallelism in plant domestication revealed by an expanding archaeological record. In: Proceedings of the National Academy of Sciences of the United States of America. 2014 ; Vol. 111, No. 17. pp. 6147-6152.
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