, Volume 92, Issue 7, pp 310–313

Depression of brain dopamine and its metabolite after mating in European honeybee (Apis mellifera) queens

Short Communication

DOI: 10.1007/s00114-005-0631-3

Cite this article as:
Harano, K., Sasaki, K. & Nagao, T. Naturwissenschaften (2005) 92: 310. doi:10.1007/s00114-005-0631-3


To explore neuro-endocrinal changes in the brain of European honeybee (Apis mellifera) queens before and after mating, we measured the amount of several biogenic amines, including dopamine and its metabolite in the brain of 6- and 12-day-old virgins and 12-day-old mated queens. Twelve-day-old mated queens showed significantly lower amounts of dopamine and its metabolite (N-acetyldopamine) than both 6- and 12-day-old virgin queens, whereas significant differences in the amounts of these amines were not detected between 6- and 12-day-old virgin queens. These results are explained by down-regulation of both synthesis and secretion of brain dopamine after mating. It is speculated that higher amounts of brain dopamine in virgin queens might be involved in activation of ovarian follicles arrested in previtellogenic stages, as well as regulation of their characteristic behaviors.

Copyright information

© Springer-Verlag 2005

Authors and Affiliations

  1. 1.Laboratory of Entomology, Department of Agricultural ResearchGraduate School, Tamagawa UniversityTokyoJapan
  2. 2.Human Information SystemsKanazawa Institute of TechnologyIshikawaJapan

Personalised recommendations