.2021 Jul 9;373(6551):226-231.

doi: 10.1126/science.abf6505.

Early origin of sweet perception in the songbird radiation

Yasuka Toda^{1 2 3}, Meng-Ching Ko⁴, Qiaoyi Liang⁴, Eliot T Miller⁵, Alejandro Rico-Guevara^{6 7}, Tomoya Nakagita⁸, Ayano Sakakibara⁹, Kana Uemura⁹, Timothy Sackton¹⁰, Takashi Hayakawa^{11 12}, Simon Yung Wa Sin^{13 14}, Yoshiro Ishimaru², Takumi Misaka¹, Pablo Oteiza¹⁵, James Crall^{14 16}, Scott V Edwards¹⁴, William Buttemer^{17 18}, Shuichi Matsumura⁹, Maude W Baldwin^{19 14}

Affiliations

¹ Department of Applied Biological Chemistry, Graduate School of Agricultural and Life Sciences, University of Tokyo, Tokyo 113-8657, Japan.
² Department of Agricultural Chemistry, School of Agriculture, Meiji University, Kawasaki, Kanagawa 214-8571, Japan.
³ Japan Society for the Promotion of Science, Tokyo 102-0083, Japan.
⁴ Evolution of Sensory Systems Research Group, Max Planck Institute for Ornithology, Seewiesen, Germany.
⁵ Macaulay Library, Cornell Lab of Ornithology, Ithaca, NY, USA.
⁶ Department of Biology, University of Washington, Seattle, WA 98105, USA.
⁷ Burke Museum of Natural History and Culture, University of Washington, Seattle, WA 98105, USA.
⁸ Proteo-Science Center, Ehime University, Matsuyama, Ehime 790-8577, Japan.
⁹ Faculty of Applied Biological Sciences, Gifu University, Gifu, 501-1193, Japan.
¹⁰ Informatics Group, Harvard University, Cambridge, MA, USA.
¹¹ Faculty of Environmental Earth Science, Hokkaido University, Sapporo, Hokkaido 060-0810, Japan.
¹² Japan Monkey Centre, Inuyama, Aichi 484-0081, Japan.
¹³ School of Biological Sciences, The University of Hong Kong, Pok Fu Lam Road, Hong Kong.
¹⁴ Department of Organismic and Evolutionary Biology and the Museum of Comparative Zoology, Harvard University, 26 Oxford Street, Cambridge, MA, USA.
¹⁵ Flow Sensing Research Group, Max Planck Institute for Ornithology, Seewiesen Germany.
¹⁶ Department of Entomology, University of Wisconsin-Madison, WI, USA.
¹⁷ Centre for Integrative Ecology, Deakin University, Geelong, Victoria, Australia.
¹⁸ School of Earth, Atmospheric and Life Sciences, University of Wollongong, Wollongong, New South Wales, Australia.
¹⁹ Evolution of Sensory Systems Research Group, Max Planck Institute for Ornithology, Seewiesen, Germany. mbaldwin@orn.mpg.de.

PMID:34244416
DOI: 10.1126/science.abf6505

Early origin of sweet perception in the songbird radiation

Yasuka Toda et al. Science.2021.

.2021 Jul 9;373(6551):226-231.

doi: 10.1126/science.abf6505.

Authors

Affiliations

¹ Department of Applied Biological Chemistry, Graduate School of Agricultural and Life Sciences, University of Tokyo, Tokyo 113-8657, Japan.
² Department of Agricultural Chemistry, School of Agriculture, Meiji University, Kawasaki, Kanagawa 214-8571, Japan.
³ Japan Society for the Promotion of Science, Tokyo 102-0083, Japan.
⁴ Evolution of Sensory Systems Research Group, Max Planck Institute for Ornithology, Seewiesen, Germany.
⁵ Macaulay Library, Cornell Lab of Ornithology, Ithaca, NY, USA.
⁶ Department of Biology, University of Washington, Seattle, WA 98105, USA.
⁷ Burke Museum of Natural History and Culture, University of Washington, Seattle, WA 98105, USA.
⁸ Proteo-Science Center, Ehime University, Matsuyama, Ehime 790-8577, Japan.
⁹ Faculty of Applied Biological Sciences, Gifu University, Gifu, 501-1193, Japan.
¹⁰ Informatics Group, Harvard University, Cambridge, MA, USA.
¹¹ Faculty of Environmental Earth Science, Hokkaido University, Sapporo, Hokkaido 060-0810, Japan.
¹² Japan Monkey Centre, Inuyama, Aichi 484-0081, Japan.
¹³ School of Biological Sciences, The University of Hong Kong, Pok Fu Lam Road, Hong Kong.
¹⁴ Department of Organismic and Evolutionary Biology and the Museum of Comparative Zoology, Harvard University, 26 Oxford Street, Cambridge, MA, USA.
¹⁵ Flow Sensing Research Group, Max Planck Institute for Ornithology, Seewiesen Germany.
¹⁶ Department of Entomology, University of Wisconsin-Madison, WI, USA.
¹⁷ Centre for Integrative Ecology, Deakin University, Geelong, Victoria, Australia.
¹⁸ School of Earth, Atmospheric and Life Sciences, University of Wollongong, Wollongong, New South Wales, Australia.
¹⁹ Evolution of Sensory Systems Research Group, Max Planck Institute for Ornithology, Seewiesen, Germany. mbaldwin@orn.mpg.de.

PMID:34244416
DOI: 10.1126/science.abf6505

Abstract

Early events in the evolutionary history of a clade can shape the sensory systems of descendant lineages. Although the avian ancestor may not have had a sweet receptor, the widespread incidence of nectar-feeding birds suggests multiple acquisitions of sugar detection. In this study, we identify a single early sensory shift of the umami receptor (the T1R1-T1R3 heterodimer) that conferred sweet-sensing abilities in songbirds, a large evolutionary radiation containing nearly half of all living birds. We demonstrate sugar responses across species with diverse diets, uncover critical sites underlying carbohydrate detection, and identify the molecular basis of sensory convergence between songbirds and nectar-specialist hummingbirds. This early shift shaped the sensory biology of an entire radiation, emphasizing the role of contingency and providing an example of the genetic basis of convergence in avian evolution.

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A shift in taste.
Barker FK.Barker FK.Science. 2021 Jul 9;373(6551):154-155. doi: 10.1126/science.abj6746.Science. 2021.PMID:34244394No abstract available.

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Early origin of sweet perception in the songbird radiation

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Early origin of sweet perception in the songbird radiation

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