OKADA Yasukazu
准教授
岡田 泰和 オカダ ヤスカズ おかだ やすかず
プロフィール
最終学歴・学位
北海道大学 環境科学院 博士課程修了 博士（環境科学）
専門・研究分野
生態発生学，行動生態学，進化学
研究
研究テーマ
性的形質・社会形質の生態・進化・発生
昆虫の武器やアリ類のカースト分化について，メカニズムから進化まで生態学・発生学・分子遺伝学を駆使した分野横断的な研究を行っている
研究キーワード
表現型可塑性，誇張形質，社会性昆虫，カースト，次世代シーケンス，RNAi，進化発生学，Eco-Devo, Evo-Devo
詳細情報
Bipartite network analysis of ant-task associations reveals task groups and absence of colonial daily activity.
Fujioka H, Okada Y, Abe MS.
Royal Society Open Science (2021) 8: 201637.
https://doi.org/10.1098/rsos.201637
オオツノコクヌストモドキにおける武器特異的な栄養応答のメカニズム
蚕糸・昆虫バイオテック (Sanshi-Kontyu Biotec) (2020) 89(3) 139-144.
岡田泰和・岡本直樹
Polyandry and paternity affect disease resistance in eusocial wasps.
SagaT*, Okuno M, Loope K.J., Tsuchida K, Ohbayashi K, Shimada M, Okada Y.
Behavioral Ecology (2020) 31-5, Pages 1172–1179 https://doi.org/10.1093/beheco/araa062
Older males are more competitive in male fights and more aggressive towards females in the broad-horned flour beetle Gnatocerus cornutus
Okada K, Katsuki M, Kiyose K, Okada Y
Behavioral Ecology & Sociobiology (2020) 74:36 https://doi.org/10.1007/s00265-020-2815-4
A specific type of insulin-like peptide regulates the conditional growth of a beetle weapon.
Okada Y*, Katsuki M, Okamoto N, Fujioka H, Okada K.
PLOS Biology (2019) 17(11): e3000541.
Commentary
RE: Evolution of eusociality via a single gene (ilp2)?
Schultner E, Helanterä H, Okada Y, Oettler J.
Science, eLetters (14 Apr 2019)
Liquid exchange via stomodeal trophallaxis in the ponerine ants Diacamma sp. from Japan.
Fujioka H, Okada Y.
Journal of Ethology (2019) 1-5.
Loser-effect duration evolves independently of fighting ability.
Okada K, Okada Y, Dall S, Hosken D.
Proceedings of the Royal Society B (2019) 286: 20190582
Observation of plugging behaviour reveals entrance-guarding schedule of morphologically specialised caste in Colobopsis nipponicus.
Fujioka H, Abe MS, Okada Y.
Ethology (2019) 125: 526-534
Ant activity-rest rhythms vary with age and interaction frequencies of workers.
Fujioka H, Abe MS, Okada Y*.
Behavioral Ecology and Sociobiology (2019) 73.3: 30.
Rapid development and characterization of EST-SSR markers for the honey locust seed beetle, Megabruchidius dorsalis (Coleoptera: Bruchidae), using de novo transcriptome analysis based on next-generation sequencing.
Ohbayashi K, Ishikawa N, Hodoki Y, Okada Y, Nakano S, Ito M, Shimada M.
Applied Entomology and Zoology (2019) 54(1), 141-145.
Social dominance alters nutrition-related gene expression immediately: transcriptomic evidence from a monomorphic queenless ant.
Okada Y*, Watanabe Y, Mandy MYT, Tsuji K, Mikheyev AS*.
Molecular Ecology (2017) 26: 2922-2938.
Ant circadian activity associated with brood care type.
Fujioka H, Abe MS, Fuchikawa T, Tsuji K, Shimada M, Okada Y*.
Biology Letters (2017) 13: 20160743.
Queen contact and among-worker interactions dually suppress worker brain dopamine as a potential regulator of reproduction in an ant.
Shimoji H*, Aonuma H, Miura T, Tsuji K, Sasaki K, Okada Y*.
Behavioral Ecology and Sociobiology (2017) 71: 35.
Mutual intra- and interspecific social parasitism between parapatric sister species of Vespula wasps.
Saga T, Kanai M, Shimada M, Okada Y.
Insectes Sociaux (2017) 64: 95
Histone deacetylases control module-specific phenotypic plasticity in beetle weapons.
Ozawa T, Mizuhara T, Arata M, Shimada M, Niimi T, Okada K, Okada Y*, Ohta K*.
Proceedings of the National Academy of Sciences (2016) 113: 15042-15047.
Social dominance and reproductive differentiation mediated by the dopaminergic signaling in a queenless ant.
Okada Y*, Sasaki K, Miyazaki S, Shimoji H, Tsuji K, Miura T.
Journal of Experimental Biology (2015) 218, 1091-1098
Environmental factors that affect pupation decision in the horned flour beetle Gnatocerus cornutus.
Ozawa T, Ohta K, Shimada M, Okada K, Okada Y*
Zoological Science (2015) 32(2), 183-187
Social dominance modifies behavioral rhythm in a queenless ant.
Fuchikawa T#, Okada Y#*, Miyatake T, Tsuji K (#equal contribution)
Behavioral Ecology and Sociobiology (2014) 68(11), 1843-1850.
Relationships among male sexually selected traits in the bean bug Riptortus pedestris (Heteroptera: Alydidae).
Suzaki Y, Katsuki M, Miyatake T, Okada Y
Entomological Science (2015) 18(2), 278-282.
Sexually-dimorphic body color is regulated by sex-specific expression of yellow gene in the ponerine ant, Diacamma sp.
Miyazaki S, Okada Y, Miyakawa H, Tokuda G, Cornette R, Koshikawa S, Maekawa K, Miura T.
PLoS ONE (2014) 9(3): e92875
Male Courtship Behavior and Weapon Trait as Indicators of Indirect Benefit in the Bean Bug, Riptortus pedestris.
Suzaki Y, Katsuki M, Miyatake T, Okada Y.
PLoS ONE (2013) 8(12): e83278. doi:10.1371/journal.pone.0083278
Morphological variability of intercastes in the ant Temnothorax nylanderi: pattern of trait expression and modularity.
Okada Y, Plateaux L, Peeters C.
Insectes Sociaux (2013) 60: 319-328
Soldier morphogenesis in the damp-wood termite is regulated by the insulin signaling pathway.
Hattori A, Sugime Y, Sasa C, Miyakawa H, Ishikawa Y, Miyazaki S, Okada Y, Cornette Y, Corley L, Emlen DJ, Miura T.
Journal of Experimental Zoology Part B: Molecular and Developmental Evolution (2013) 320: 295-306
Impacts of diet quality on life-history and reproductive traits in male and female armed beetle, Gnatocerus cornutus.
Katsuki M, Okada Y, Okada K.
Ecological Entomology (2012) 37: 463-470.
Juvenile hormone mediates developmental integration between exaggerated traits and supportive traits in the horned flour beetle Gnatocerus cornutus.
Okada Y., Gotoh H., Miura T., Miyatake T., Okada K.
Evolution & Development (2012) 14: 363-371.
Effect of weapon-supportive traits on fighting success in armed insects.
Okada Y., Suzaki Y., Miyatake T., Okada K.
Animal Behaviour (2012) 83, 1001-1006
Male aggressive behavior and exaggerated hindlegs of the bean bug Riptortus pedestris.
Okada K., Suzaki Y., Okada Y., Miyatake T.
Zoological Science (2011) 28, 659-663
Immature performance linked with exaggeration of a sexually selected trait in an armed beetle.
Okada K., Katsuki M., Okada Y., Miyatake T.
Journal of Evolutionary Biology (2011) 24, 1737-1743
Juvenile hormone regulates extreme mandible growth in male stag beetles．
Gotoh H., Cornette R., Koshikawa S., Okada Y., Lavine L.C., Emlen D.J., Miura T.
PLoS One (2011) 6, e21139
Ovarian development and insulin-signaling pathways during reproductive differentiation in the queenless ponerine ant Diacamma sp.
Okada Y., Miyazaki S., Miyakawa H., Ishikawa A., Tsuji K., Miura T
Journal of Insect Physiology (2010) 56, 288-295
Morph-dependent form of asymmetry in mandible of the stag beetle Prosopocoilus inclinatus (Coleoptera: Lucanidae)
Okada Y*., Fujisawa H., Kimura Y., Hasegawa E.
Ecological Entomology (2008) 33, 684-689
Allometric dimorphism in the larvae of the salamander Hynobius retardatus.
Okada Y*. and Hasegawa E.
Ethology Ecology & Evolution (2007) 19, 113-126
Morphological differences between sexes in the ponerine ant Diacamma sp. (Formicidae: Ponerinae).
Okada Y*., Tsuji K. and Miura T.
Sociobiology (2006) 48, 527-541
Size-dependent precopulatory behavior as mate-securing tactic in the Japanese stag beetle, Prosopocoilus inclinatus (Coleoptera; Lucanidae).
Okada Y*., Hasegawa E.
Journal of Ethology (2005) 23, 99-102
Fujioka H, Okada Y, Abe MS.
Royal Society Open Science (2021) 8: 201637.
https://doi.org/10.1098/rsos.201637
オオツノコクヌストモドキにおける武器特異的な栄養応答のメカニズム
蚕糸・昆虫バイオテック (Sanshi-Kontyu Biotec) (2020) 89(3) 139-144.
岡田泰和・岡本直樹
Polyandry and paternity affect disease resistance in eusocial wasps.
SagaT*, Okuno M, Loope K.J., Tsuchida K, Ohbayashi K, Shimada M, Okada Y.
Behavioral Ecology (2020) 31-5, Pages 1172–1179 https://doi.org/10.1093/beheco/araa062
Older males are more competitive in male fights and more aggressive towards females in the broad-horned flour beetle Gnatocerus cornutus
Okada K, Katsuki M, Kiyose K, Okada Y
Behavioral Ecology & Sociobiology (2020) 74:36 https://doi.org/10.1007/s00265-020-2815-4
A specific type of insulin-like peptide regulates the conditional growth of a beetle weapon.
Okada Y*, Katsuki M, Okamoto N, Fujioka H, Okada K.
PLOS Biology (2019) 17(11): e3000541.
Commentary
RE: Evolution of eusociality via a single gene (ilp2)?
Schultner E, Helanterä H, Okada Y, Oettler J.
Science, eLetters (14 Apr 2019)
Liquid exchange via stomodeal trophallaxis in the ponerine ants Diacamma sp. from Japan.
Fujioka H, Okada Y.
Journal of Ethology (2019) 1-5.
Loser-effect duration evolves independently of fighting ability.
Okada K, Okada Y, Dall S, Hosken D.
Proceedings of the Royal Society B (2019) 286: 20190582
Observation of plugging behaviour reveals entrance-guarding schedule of morphologically specialised caste in Colobopsis nipponicus.
Fujioka H, Abe MS, Okada Y.
Ethology (2019) 125: 526-534
Ant activity-rest rhythms vary with age and interaction frequencies of workers.
Fujioka H, Abe MS, Okada Y*.
Behavioral Ecology and Sociobiology (2019) 73.3: 30.
Rapid development and characterization of EST-SSR markers for the honey locust seed beetle, Megabruchidius dorsalis (Coleoptera: Bruchidae), using de novo transcriptome analysis based on next-generation sequencing.
Ohbayashi K, Ishikawa N, Hodoki Y, Okada Y, Nakano S, Ito M, Shimada M.
Applied Entomology and Zoology (2019) 54(1), 141-145.
Social dominance alters nutrition-related gene expression immediately: transcriptomic evidence from a monomorphic queenless ant.
Okada Y*, Watanabe Y, Mandy MYT, Tsuji K, Mikheyev AS*.
Molecular Ecology (2017) 26: 2922-2938.
Ant circadian activity associated with brood care type.
Fujioka H, Abe MS, Fuchikawa T, Tsuji K, Shimada M, Okada Y*.
Biology Letters (2017) 13: 20160743.
Queen contact and among-worker interactions dually suppress worker brain dopamine as a potential regulator of reproduction in an ant.
Shimoji H*, Aonuma H, Miura T, Tsuji K, Sasaki K, Okada Y*.
Behavioral Ecology and Sociobiology (2017) 71: 35.
Mutual intra- and interspecific social parasitism between parapatric sister species of Vespula wasps.
Saga T, Kanai M, Shimada M, Okada Y.
Insectes Sociaux (2017) 64: 95
Histone deacetylases control module-specific phenotypic plasticity in beetle weapons.
Ozawa T, Mizuhara T, Arata M, Shimada M, Niimi T, Okada K, Okada Y*, Ohta K*.
Proceedings of the National Academy of Sciences (2016) 113: 15042-15047.
Social dominance and reproductive differentiation mediated by the dopaminergic signaling in a queenless ant.
Okada Y*, Sasaki K, Miyazaki S, Shimoji H, Tsuji K, Miura T.
Journal of Experimental Biology (2015) 218, 1091-1098
Environmental factors that affect pupation decision in the horned flour beetle Gnatocerus cornutus.
Ozawa T, Ohta K, Shimada M, Okada K, Okada Y*
Zoological Science (2015) 32(2), 183-187
Social dominance modifies behavioral rhythm in a queenless ant.
Fuchikawa T#, Okada Y#*, Miyatake T, Tsuji K (#equal contribution)
Behavioral Ecology and Sociobiology (2014) 68(11), 1843-1850.
Relationships among male sexually selected traits in the bean bug Riptortus pedestris (Heteroptera: Alydidae).
Suzaki Y, Katsuki M, Miyatake T, Okada Y
Entomological Science (2015) 18(2), 278-282.
Sexually-dimorphic body color is regulated by sex-specific expression of yellow gene in the ponerine ant, Diacamma sp.
Miyazaki S, Okada Y, Miyakawa H, Tokuda G, Cornette R, Koshikawa S, Maekawa K, Miura T.
PLoS ONE (2014) 9(3): e92875
Male Courtship Behavior and Weapon Trait as Indicators of Indirect Benefit in the Bean Bug, Riptortus pedestris.
Suzaki Y, Katsuki M, Miyatake T, Okada Y.
PLoS ONE (2013) 8(12): e83278. doi:10.1371/journal.pone.0083278
Morphological variability of intercastes in the ant Temnothorax nylanderi: pattern of trait expression and modularity.
Okada Y, Plateaux L, Peeters C.
Insectes Sociaux (2013) 60: 319-328
Soldier morphogenesis in the damp-wood termite is regulated by the insulin signaling pathway.
Hattori A, Sugime Y, Sasa C, Miyakawa H, Ishikawa Y, Miyazaki S, Okada Y, Cornette Y, Corley L, Emlen DJ, Miura T.
Journal of Experimental Zoology Part B: Molecular and Developmental Evolution (2013) 320: 295-306
Impacts of diet quality on life-history and reproductive traits in male and female armed beetle, Gnatocerus cornutus.
Katsuki M, Okada Y, Okada K.
Ecological Entomology (2012) 37: 463-470.
Juvenile hormone mediates developmental integration between exaggerated traits and supportive traits in the horned flour beetle Gnatocerus cornutus.
Okada Y., Gotoh H., Miura T., Miyatake T., Okada K.
Evolution & Development (2012) 14: 363-371.
Effect of weapon-supportive traits on fighting success in armed insects.
Okada Y., Suzaki Y., Miyatake T., Okada K.
Animal Behaviour (2012) 83, 1001-1006
Male aggressive behavior and exaggerated hindlegs of the bean bug Riptortus pedestris.
Okada K., Suzaki Y., Okada Y., Miyatake T.
Zoological Science (2011) 28, 659-663
Immature performance linked with exaggeration of a sexually selected trait in an armed beetle.
Okada K., Katsuki M., Okada Y., Miyatake T.
Journal of Evolutionary Biology (2011) 24, 1737-1743
Juvenile hormone regulates extreme mandible growth in male stag beetles．
Gotoh H., Cornette R., Koshikawa S., Okada Y., Lavine L.C., Emlen D.J., Miura T.
PLoS One (2011) 6, e21139
Ovarian development and insulin-signaling pathways during reproductive differentiation in the queenless ponerine ant Diacamma sp.
Okada Y., Miyazaki S., Miyakawa H., Ishikawa A., Tsuji K., Miura T
Journal of Insect Physiology (2010) 56, 288-295
Morph-dependent form of asymmetry in mandible of the stag beetle Prosopocoilus inclinatus (Coleoptera: Lucanidae)
Okada Y*., Fujisawa H., Kimura Y., Hasegawa E.
Ecological Entomology (2008) 33, 684-689
Allometric dimorphism in the larvae of the salamander Hynobius retardatus.
Okada Y*. and Hasegawa E.
Ethology Ecology & Evolution (2007) 19, 113-126
Morphological differences between sexes in the ponerine ant Diacamma sp. (Formicidae: Ponerinae).
Okada Y*., Tsuji K. and Miura T.
Sociobiology (2006) 48, 527-541
Size-dependent precopulatory behavior as mate-securing tactic in the Japanese stag beetle, Prosopocoilus inclinatus (Coleoptera; Lucanidae).
Okada Y*., Hasegawa E.
Journal of Ethology (2005) 23, 99-102
進化学会
IUSSI (国際社会性昆虫学会）
IUSSI (国際社会性昆虫学会）
- 生態学実験（動物生態）
- 生態学特別講義
- 生態学野外実習
- Evolutionary Biology/進化生物学各論
- Practices in Biology 1（生物学基礎演習1）
- Practices in Biology 2（生物学基礎演習2）
- 進化生物学概論
- 生態学実験（動物生態）
- 生物学特別講義（生態学）
- 生態学野外実習
- Evolutionary Biology/進化生物学各論
- Practices in Biology 1（生物学基礎演習1）
- Practices in Biology 2（生物学基礎演習2）
- 系統分類学概論
- 生態科学特別講義
- 生態科学特別講義
- 生命科学セミナー1（動物生態1）
- 生命科学セミナー1（動物生態1）
- 生命科学セミナー2（動物生態1）
- 生命科学セミナー2（動物生態1）
- 生命科学セミナー1（動物生態2）
- 生命科学セミナー1（動物生態2）
- 生命科学セミナー2（動物生態2）
- 生命科学セミナー2（動物生態2）
- 生命科学実験1（動物生態）
- 生命科学実験1（動物生態）
- 生命科学実験2（動物生態）
- 生命科学実験2（動物生態）
- 生命科学特別講義
- 生命科学特別講義
- 生態科学特別講義
- 生命科学セミナー1（動物生態1）
- 生命科学セミナー2（動物生態1）
- 生命科学セミナー1（動物生態2）
- 生命科学セミナー2（動物生態2）
- 生命科学実験1（動物生態）
- 生命科学実験2（動物生態）
- 生命科学特別講義
- 生態と環境
関連ニュース
すべて見る連絡先
研究室
8号館 543室
内線番号
内線3766
メールアドレス
yasu_okada●tmu.ac.jp
（メールを送信される場合は●を@に変換してください）
