Naturwissenschaften

, Volume 100, Issue 8, pp 795–799

A survey of DNA methylation across social insect species, life stages, and castes reveals abundant and caste-associated methylation in a primitively social wasp

  • Susan A. Weiner
  • David A. Galbraith
  • Dean C. Adams
  • Nicole Valenzuela
  • Fernando B. Noll
  • Christina M. Grozinger
  • Amy L. Toth
Short Communication

Abstract

DNA methylation plays an important role in the epigenetic control of developmental and behavioral plasticity, with connections to the generation of striking phenotypic differences between castes (larger, reproductive queens and smaller, non-reproductive workers) in honeybees and ants. Here, we provide the first comparative investigation of caste- and life stage-associated DNA methylation in several species of bees and vespid wasps displaying different levels of social organization. Our results reveal moderate levels of DNA methylation in most bees and wasps, with no clear relationship to the level of sociality. Strikingly, primitively social Polistes dominula paper wasps show unusually high overall DNA methylation and caste-related differences in site-specific methylation. These results suggest DNA methylation may play a role in the regulation of behavioral and physiological differences in primitively social species with more flexible caste differences.

Keywords

Epigenetics DNA methylation Hymenoptera Eusociality Vespidae Phenotypic plasticity 

Supplementary material

114_2013_1064_MOESM1_ESM.pdf (1.5 mb)
ESM 1(PDF 1533 kb)

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Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  • Susan A. Weiner
    • 1
  • David A. Galbraith
    • 2
  • Dean C. Adams
    • 1
    • 3
  • Nicole Valenzuela
    • 1
  • Fernando B. Noll
    • 4
  • Christina M. Grozinger
    • 2
  • Amy L. Toth
    • 1
    • 5
  1. 1.Department of Ecology, Evolution, and Organismal BiologyIowa State UniversityAmesUSA
  2. 2.Department of Entomology, Center for Pollinator ResearchPennsylvania State UniversityUniversity ParkUSA
  3. 3.Department of StatisticsIowa State UniversityAmesUSA
  4. 4.Depto. de Zoologia e BotânicaIBILCE-UNESPSão José do Rio PretoBrazil
  5. 5.Department of EntomologyIowa State UniversityAmesUSA

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