糸井川壮大.  霊長類の食性多様化の背景にある味覚受容体の機能進化. 2025, 霊長類研究, DOI:10.2354/psj.41.020

Ji Q, Hou M, Akhtar MS, Hayakawa T, Toda Y, Itoigawa A, Imai H, Ishida T, Melin AD, Kawamura S*.  Relaxation of selective constraint on the sweet-taste receptor gene TAS1R2 in lorisiform primates. 2025, Scientific Reports 15, 28091, DOI:10.1038/s41598-025-23648-x [プレスリリース]

Higgins KW#, Itoigawa A#, Toda Y, Bellott DW, Anderson R, Márquez R*, Weng J-K*. Rapid expansion and specialization of the TAS2R bitter taste receptor family in amphibians 2025, PLoS Genetics 21(1): e1011533, DOI: 10.1371/journal.pgen.1011533

Itoigawa A*, Nakagita T, Toda Y. The Remarkable Diversity of Vertebrate Bitter Taste Receptors: Recent Advances in Genomic and Functional Studies. 2024, International Jounal of Molecular Sciences 25(23) 12654, DOI:  10.3390/ijms252312654

Itoigawa A, Toda Y, Kuraku S, Ishimaru Y*. Evolutionary origins of bitter taste receptors in jawed vertebrates. 2024, Current Biology 34(7) P271-P272, DOI:  10.1016/j.cub.2024.02.024 [日本語プレスリリース] [Nature] [NHK] [日本経済新聞]

Sakamoto S, Matsushita Y, Itoigawa A, Ezawa T, Fujitani T, Takakura K, Zhou Y, Zhang G, Grutzner F, Kawamura S*, Hayakawa T*. Color vision evolution in egg-laying mammals: insights from visual photoreceptors and daily activities of Australian echidnas. 2024 Zoological Letters 2024 10(2), DOI:  10.1186/s40851-023-00224-7 [日本語プレスリリース]

Fukuyama R*, Itoigawa A, Mori A. Multimale breeding aggregations by “many-friends” snake: courtship behaviours by Malagasy Pseudoxyrhophiine snakes, Dromicodryas bernieri and D. quadrilineatus and their sexual size dimorphism. 2022 Herpatozoa, DOI:  10.3897/herpetozoa.35.e91579

Itoigawa A*, Hayakawa T*, Zhou Y, Manning AD, Zhang G, Grutzner F, Imai H*. Functional diversity and evolution of bitter taste receptors in egg-laying mammals. 2022 Molecular Biology and Evolution 39(6), msac107. DOI: 10.1093/molbev/msac107 [日本語プレスリリース]

Yan X, Terai Y, Widayati KA, Itoigawa A, Purba LHPS, Suryobroto B*, Imai H*. Functional divergence of the pigmentation gene melanocortin -1 receptor (MC1R) in six endemic Macaca species on Sulawesi Island. 2022 Scientific Reports 12, 7593. DOI: 10.1038/s41598-022-11681-z

Tabata E, Itoigawa A, Koinuma T, Tayama H, Kashimura A, Sakaguchi M, Matoska V, Bauer PO, Oyama F*. Non-Insect-Based Diet Leads to Structural and Functional Changes of Acidic Chitinase in Carnivora. 2021 Molecular Biology and Evolution 39(1) msab331. DOI: 10.1093/molbev/msab331

Toda Y#, Hayakawa T#, Itoigawa A, Kurihara Y, Nakagita T, Hayashi M, Ashino R, Melin AD, Ishimaru Y, Kawamura S, Imai H, Misaka T*. 2021 Evolution of the primate glutamate taste sensor from a nucleotide sensor. 2021 Current Biology 31(20) 4641–4649. DOI: 10.1016/j.cub.2021.08.002 [日本語プレスリリース]

Itoigawa A, Fierro F, Chaney ME, Lauterbur ME, Hayakawa T, Tosi AJ, Niv MY, Imai H*. Lowered sensitivity of bitter taste receptors to β-glucosides in bamboo lemurs: an instance of parallel and adaptive functional decline in TAS2R16? 2021 Proceedings of the Royal Society B 288(1948) 20210346. DOI:10.1098/rspb.2021.0346 [日本語プレスリリース]

Shirasu M#, Ito S#, Itoigawa A, Hayakawa T, Kinoshita K, Munechika I, Imai H*, Touhara K*. Key male glandular odorants attracting female ring-tailed lemurs. 2020 Current Biology 30(11) 2131-2138, 2020. DOI: 10.1016/j.cub.2020.03.037 [日本語プレスリリース]

Purba LHPS, Widayati KA, Suzuki-Hashido N, Itoigawa A, Hayakawa T, Nila S, Juliandi B, Suryobroto B, Imai H*. Evolution of the bitter taste receptor TAS2R38 in colobines. 2020 Primates 61(3): 485-494, DOI: 10.1007/s10329-020-00799-1

Widayati KA#, Yan X#, Suzuki-Hashido N, Itoigawa A, Purba LHPS, Fahri F, Terai Y, Suryobroto B, Imai H*. Functional divergence of the bitter taste receptor TAS2R38 in Sulawesi macaques. 2019 Ecology and  Evolution 9(18) 10387-10403, DOI: 10.1002/ece3.5557

Liang Q*, Toda Y*, Affatato P, Kakizaki G, Kaname H, Suzuki K, Kuramoto T, Ko MC, Policarpo M, Cramer JF, Itoigawa A, Furumitsu K, Sadanandan KR, Kuraku S, Yamaguchi A, Hayakawa T, Cockburn G, Van Meir V, Tisdale RK, Moritz S, Carney RM, Hissmann K, Ng NSR, Reh B, Lee JGH, Raina J-B, Oteiza P, Tsutsumi N, Yamashita A, Ishimaru Y, Nishihara H*, Baldwin MW*. Early origin of sugar sensing in jawed vertebrates. 2026 bioRxiv. DOI: 10.64898/2026.08.28.746343

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