A soft selective sweep during rapid evolution of gentle behaviour in an Africanized honeybee

Arian Avalos, Hailin Pan, Cai Li, Jenny P. Acevedo-Gonzalez, Gloria Rendon, Christopher J. Fields, Patrick J. Brown, Tugrul Giray, Gene E. Robinson, Matthew E. Hudson, Guojie Zhang

Research output: Contribution to journalArticle

Abstract

Highly aggressive Africanized honeybees (AHB) invaded Puerto Rico (PR) in 1994, displacing gentle European honeybees (EHB) in many locations. Gentle AHB (gAHB), unknown anywhere else in the world, subsequently evolved on the island within a few generations. Here we sequence whole genomes from gAHB and EHB populations, as well as a North American AHB population, a likely source of the founder AHB on PR. We show that gAHB retains high levels of genetic diversity after evolution of gentle behaviour, despite selection on standing variation. We observe multiple genomic loci with significant signatures of selection. Rapid evolution during colonization of novel habitats can generate major changes to characteristics such as morphological or colouration traits, usually controlled by one or more major genetic loci. Here we describe a soft selective sweep, acting at multiple loci across the genome, that occurred during, and may have mediated, the rapid evolution of a behavioural trait.

Original languageEnglish (US)
Article number1550
JournalNature communications
Volume8
Issue number1
DOIs
StatePublished - Dec 1 2017

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Puerto Rico
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genome
Genes
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Genetic Loci
Islands
Population
biological diversity
Ecosystem
habitats
signatures
color

ASJC Scopus subject areas

  • Chemistry(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Physics and Astronomy(all)

Cite this

A soft selective sweep during rapid evolution of gentle behaviour in an Africanized honeybee. / Avalos, Arian; Pan, Hailin; Li, Cai; Acevedo-Gonzalez, Jenny P.; Rendon, Gloria; Fields, Christopher J.; Brown, Patrick J.; Giray, Tugrul; Robinson, Gene E.; Hudson, Matthew E.; Zhang, Guojie.

In: Nature communications, Vol. 8, No. 1, 1550, 01.12.2017.

Research output: Contribution to journalArticle

Avalos, Arian ; Pan, Hailin ; Li, Cai ; Acevedo-Gonzalez, Jenny P. ; Rendon, Gloria ; Fields, Christopher J. ; Brown, Patrick J. ; Giray, Tugrul ; Robinson, Gene E. ; Hudson, Matthew E. ; Zhang, Guojie. / A soft selective sweep during rapid evolution of gentle behaviour in an Africanized honeybee. In: Nature communications. 2017 ; Vol. 8, No. 1.
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