All Stories

  1. Physiological specialization of the brain in bumble bee castes: Roles of dopamine in mating-related behaviors in female bumble bees

    Article • PLoS ONE, March 2024, PLOS

    Dr Ken Sasaki

  2. Transcriptomic comparison between populations selected for higher and lower mobility in the red flour beetle Tribolium castaneum

    Article • Scientific Reports, January 2024, Springer Science + Business Media

    Dr Ken Sasaki

  3. Caste-specific storage of dopamine-related substances in the brains of four Polistes paper wasp species

    Article • PLoS ONE, January 2023, PLOS

    Dr Ken Sasaki

  4. Behavioral roles of biogenic amines in bumble bee males

    Article • Scientific Reports, December 2022, Springer Science + Business Media

    Dr Ken Sasaki

  5. Responses to artificial selection for locomotor activity: A focus on death feigning in red flour beetle

    Article • Journal of Evolutionary Biology, May 2022, Wiley

    Dr Ken Sasaki

  6. Sex-Specific Regulatory Systems for Dopamine Production in the Honey Bee

    Article • Insects, January 2022, MDPI AG

    Dr Ken Sasaki

  7. Genomic characterization between strains selected for death-feigning duration for avoiding attack of a beetle

    Article • Scientific Reports, November 2021, Springer Science + Business Media

    Dr Ken Sasaki

  8. Ultrasensitive detection by maxillary palp neurons allows non-host recognition without consumption of harmful allelochemicals

    Article • Journal of Insect Physiology, July 2021, Elsevier

    Dr Ken Sasaki

  9. Regulation of dopamine production in the brains during sexual maturation in male honey bees

    Article • Journal of Insect Physiology, July 2021, Elsevier

    Dr Ken Sasaki

  10. Social Evolution With Decoupling of Multiple Roles of Biogenic Amines Into Different Phenotypes in Hymenoptera

    Article • Frontiers in Ecology and Evolution, May 2021, Frontiers

    Dr Ken Sasaki

  11. Identification of biogenic amines involved in photoperiod-dependent caste-fate determination during the adult stage in a temperate paper wasp

    Article • Journal of Insect Physiology, May 2021, Elsevier

    Dr Ken Sasaki

  12. Bumble bee queens activate dopamine production and gene expression in nutritional signaling pathways in the brain

    Article • Scientific Reports, March 2021, Springer Science + Business Media

    Dr Ken Sasaki

  13. Dopamine production in the brain is associated with caste-specific morphology and behavior in an artificial intermediate honey bee caste

    Article • PLoS ONE, December 2020, PLOS

    Dr Ken Sasaki

  14. Caste differentiation of spermatheca and organs related to sperm use and oviposition in the honeybee, Apis mellifera

    Article • Apidologie, November 2020, Springer Science + Business Media

    Dr Ken Sasaki

  15. Diet choice: The two-factor host acceptance system of silkworm larvae

    Article • PLoS Biology, September 2020, PLOS

    Dr Ken Sasaki, Haruka Endo

  16. Timing of male territorial flight and foraging of the large carpenter bee Xylocopa appendiculata related to serotonin in the brain

    Article • The Science of Nature, June 2020, Springer Science + Business Media

    Dr Ken Sasaki

  17. Reproductive workers insufficiently signal their reproductive ability in a paper wasp

    Article • Behavioral Ecology, January 2020, Oxford University Press (OUP)

    Dr Ken Sasaki

  18. Transcriptomic comparison between beetle strains selected for short and long durations of death feigning

    Article • Scientific Reports, September 2019, Springer Science + Business Media

    Dr Ken Sasaki

  19. Suppression of Flight Activity by a Dopamine Receptor Antagonist in Honey Bee (Apis mellifera) Virgin Queens and Workers

    Article • Journal of Insect Behavior, May 2019, Springer Science + Business Media

    Dr Ken Sasaki

  20. Functional gene expression of dopamine receptors in the male reproductive organ during sexual maturation in the honey bee (Apis mellifera L.)

    Article • Journal of Insect Physiology, January 2019, Elsevier

    Dr Ken Sasaki

  21. Caste-specific development of the dopaminergic system during metamorphosis in female honey bees

    Article • PLoS ONE, October 2018, PLOS

    Dr Ken Sasaki

  22. Uptake of plant-derived specific alkaloids allows males of a butterfly to copulate

    Article • Scientific Reports, April 2018, Springer Science + Business Media

    Dr Ken Sasaki

  23. Caste differences in the association between dopamine and reproduction in the bumble bee Bombus ignitus

    Article • Journal of Insect Physiology, November 2017, Elsevier

    Dr Ken Sasaki

  24. Fighting and Stinging Responses are Affected by a Dopamine Receptor Blocker Flupenthixol in Honey Bee Virgin Queens

    Article • Journal of Insect Behavior, November 2017, Springer Science + Business Media

    Dr Ken Sasaki

  25. Queen contact and among-worker interactions dually suppress worker brain dopamine as a potential regulator of reproduction in an ant

    Article • Behavioral Ecology and Sociobiology, January 2017, Springer Science + Business Media

    Dr Ken Sasaki

  26. Honeybee males use highly concentrated nectar as fuel for mating flights

    Article • Journal of Insect Physiology, October 2016, Elsevier

    Dr Ken Sasaki

  27. Tyraminergic and Octopaminergic Modulation of Defensive Behavior in Termite Soldier

    Article • PLoS ONE, May 2016, PLOS

    Dr Ken Sasaki

  28. Nutrition and dopamine: An intake of tyrosine in royal jelly can affect the brain levels of dopamine in male honeybees ( Apis mellifera L.)

    Article • Journal of Insect Physiology, April 2016, Elsevier

    Dr Ken Sasaki

  29. Dopamine regulates termite soldier differentiation through trophallactic behaviours

    Article • Royal Society Open Science, February 2016, Royal Society Publishing

    Dr Ken Sasaki

  30. Regulation system of brain dopamine for reproduction in social insects

    Article • January 2016, Entomological Society of America

    Dr Ken Sasaki

  31. Correlated responses in death-feigning behavior, activity, and brain biogenic amine expression in red flour beetle Tribolium castaneum strains selected for walking distance

    Article • Journal of Ethology, December 2015, Springer Science + Business Media

    Dr Ken Sasaki

  32. Octopamine and cooperation: octopamine regulates the disappearance of cooperative behaviours between genetically unrelated founding queens in the ant

    Article • Proceedings of the Royal Society B Biological Sciences, June 2015, Royal Society Publishing

    Dr Ken Sasaki

  33. Social dominance and reproductive differentiation mediated by dopaminergic signaling in a queenless ant

    Article • Journal of Experimental Biology, February 2015, The Company of Biologists

    Dr Ken Sasaki

  34. Consumption of tyrosine in royal jelly increases brain levels of dopamine and tyramine and promotes transition from normal to reproductive workers in queenless honey bee colonies

    Article • General and Comparative Endocrinology, January 2015, Elsevier

    Dr Ken Sasaki

  35. Juvenile hormone–dopamine systems for the promotion of flight activity in males of the large carpenter bee Xylocopa appendiculata

    Article • The Science of Nature, November 2013, Springer Science + Business Media

    Dr Ken Sasaki

  36. Effects of dietary inositol with sucrose stimulation on chewing and swallowing motor patterns in larvae of the silkwormBombyx mori

    Article • Physiological Entomology, September 2013, Wiley

    Dr Ken Sasaki

  37. Neuroendocrine mechanisms underlying regulation of mating flight behaviors in male honey bees (Apis mellifera L.)

    Article • General and Comparative Endocrinology, June 2013, Elsevier

    Dr Ken Sasaki

  38. Food exchange behavior between multiple founding queens of Polyrhachis moesta (Hymenoptera: Formicidae) changes during hibernation

    Article • Applied Entomology and Zoology, January 2013, Springer Science + Business Media

    Dr Ken Sasaki

  39. Caste differences in dopamine-related substances and dopamine supply in the brains of honeybees (Apis mellifera L.)

    Article • General and Comparative Endocrinology, August 2012, Elsevier

    Dr Ken Sasaki

  40. Regulation of the brain dopaminergic system by juvenile hormone in honey bee males (Apis mellifera L.)

    Article • Insect Molecular Biology, July 2012, Wiley

    Dr Ken Sasaki

  41. Dopaminergic system as the mechanism underlying personality in a beetle

    Article • Journal of Insect Physiology, May 2012, Elsevier

    Dr Ken Sasaki

  42. Serotonin-induced mate rejection in the female cabbage butterfly, Pieris rapae crucivora

    Article • The Science of Nature, September 2011, Springer Science + Business Media

    Dr Ken Sasaki

  43. Dopamine enhances locomotor activity for mating in male honeybees (Apis mellifera L.)

    Article • Journal of Insect Physiology, September 2010, Elsevier

    Dr Ken Sasaki

  44. Biogenic amines, caffeine and tonic immobility in Tribolium castaneum

    Article • Journal of Insect Physiology, June 2010, Elsevier

    Dr Ken Sasaki

  45. A homeotic mutation influences the wing vibration patterns during mating in males of the silkworm moth Bombyx mori

    Article • Journal of Insect Physiology, August 2009, Elsevier

    Dr Ken Sasaki

  46. Gonadotropic effects of dopamine in isolated workers of the primitively eusocial wasp, Polistes chinensis

    Article • The Science of Nature, February 2009, Springer Science + Business Media

    Dr Ken Sasaki

  47. Dopamine influences locomotor activity in honeybee queens: implications for a behavioural change after mating

    Article • Physiological Entomology, December 2008, Wiley

    Dr Ken Sasaki

  48. Influence of age and juvenile hormone on brain dopamine level in male honeybee (Apis mellifera): Association with reproductive maturation

    Article • Journal of Insect Physiology, May 2008, Elsevier

    Dr Ken Sasaki

  49. Pleiotropic antipredator strategies, fleeing and feigning death, correlated with dopamine levels in Tribolium castaneum

    Article • Animal Behaviour, January 2008, Elsevier

    Dr Ken Sasaki

  50. Neuro-endocrine correlates of ovarian development and egg-laying behaviors in the primitively eusocial wasp (Polistes chinensis)

    Article • Journal of Insect Physiology, September 2007, Elsevier

    Dr Ken Sasaki

  51. Reorganization of the Central Nervous Systems in Response to Changes in Social Environment Among Insects

    Article • Journal of Robotics and Mechatronics, August 2007, Fuji Technology Press Ltd.

    Dr Ken Sasaki

  52. Potential effects of tyramine on the transition to reproductive workers in honeybees (Apis mellifera L.)

    Article • Physiological Entomology, June 2007, Wiley

    Dr Ken Sasaki

  53. Swallowing motor pattern triggered and modified by sucrose stimulation in the larvae of the silkworm, Bombyx mori

    Article • Journal of Insect Physiology, May 2006, Elsevier

    Dr Ken Sasaki

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

    Article • The Science of Nature, April 2005, Springer Science + Business Media

    Dr Ken Sasaki

  55. Different physiological properties in a pool of mandibular closer motor neurons in a caterpillar, Bombyx mori

    Article • Neuroscience Letters, February 2005, Elsevier

    Dr Ken Sasaki

  56. Queen phenotype and behaviour during cooperative colony founding in Polyrhachis moesta

    Article • Insectes Sociaux, February 2005, Springer Science + Business Media

    Dr Ken Sasaki

  57. Substantial changes in central nervous system neurotransmitters and neuromodulators accompany phase change in the locust

    Article • Journal of Experimental Biology, September 2004, The Company of Biologists

    Dr Ken Sasaki

  58. Discrimination of larval sex and timing of male brood elimination by workers in honeybees (Apis mellifera L.)

    Article • Applied Entomology and Zoology, January 2004, Japanese Society of Applied Entomology & Zoology

    Dr Ken Sasaki

  59. Proprioceptors monitoring forces in a locust hind leg during kicking form negative feedback loops with flexor tibiae motor neurons

    Article • Journal of Experimental Biology, February 2003, The Company of Biologists

    Dr Ken Sasaki

  60. Brain tyramine and reproductive states of workers in honeybees

    Article • Journal of Insect Physiology, December 2002, Elsevier

    Dr Ken Sasaki

  61. Egg activation and timing of sperm acceptance by an egg in honeybees ( Apis mellifera L.)

    Article • Insectes Sociaux, August 2002, Springer Science + Business Media

    Dr Ken Sasaki

  62. Nutritional factors affecting the egg sex ratio adjustment by a honeybee queen

    Article • Insectes Sociaux, December 2001, Springer Science + Business Media

    Dr Ken Sasaki

  63. Distribution and levels of dopamine and its metabolites in brains of reproductive workers in honeybees

    Article • Journal of Insect Physiology, September 2001, Elsevier

    Dr Ken Sasaki

  64. Honeybee Queens Lay Fertilized Eggs When No Comb Cells for Oviposition Are Available

    Article • ZOOLOGICAL SCIENCE, October 1999, Zoological Society of Japan

    Dr Ken Sasaki

  65. Innervation pattern of a pool of nine excitatory motor neurons in the flexor tibiae muscle of a locust hind leg

    Article • Journal of Experimental Biology, June 1998, The Company of Biologists

    Dr Ken Sasaki

  66. Activation in Vitro of Unfertilized Egg Development in Honeybee Queens

    Article • The Science of Nature, February 1997, Springer Science + Business Media

    Dr Ken Sasaki

  67. Cooperative foundation of colonies by unrelated foundresses in the antPolyrhachis moesta

    Article • Insectes Sociaux, June 1996, Springer Science + Business Media

    Dr Ken Sasaki

  68. The Honeybee Queen Has the Potential Ability to Regulate the Primary Sex Ratio

    Article • Applied Entomology and Zoology, January 1996, Japanese Society of Applied Entomology & Zoology

    Dr Ken Sasaki

  69. Sperm Utilization by Honey Bee Queens : DNA Fingerprinting Analysis

    Article • Applied Entomology and Zoology, January 1995, Japanese Society of Applied Entomology & Zoology

    Dr Ken Sasaki