TABLE 1.

Summary of Tas1r gene family and functional prediction of umami/sweet taste in amphibian

Name	Species	Order	Tas1r1	Tas1r2	Tas1r3	Umami (Tas1r1‐Tas1r3)	Sweet (Tas1r2‐Tas1r3)
Leishan spiny toad	Leptobrachium leishanense	Anura	1	1	0	×	×
Mexican spadefoot toad	Spea multiplicata	Anura	2	1	1	√	√
African bullfrog	Pyxicephalus adspersus	Anura	2	1	0	×	×
American bullfrog	Lithobates catesbeianus	Anura	2	0	0	×	×
Common frog	Rana temporaria	Anura	2(1PS)	2(1PS)	2	√	√
Tibetan Plateau frog	Nanorana parkeri	Anura	2	0	2 (1PS)	√	×
Eastern banjo frog	Limnodynastes dumerilii	Anura	1	1	1	√	√
Strawberry poison frog	Oophaga pumilio	Anura	1	1	0	×	×
Asiatic toad	Bufo gargarizans	Anura	1	1	0	×	×
African clawed frog	Xenopus laevis	Anura	0	0	0	×	×
Western clawed frog	Xenopus tropicalis	Anura	0	0	0	×	×
Two‐lined caecilian	Rhinatrema bivittatum	Gymnophiona	1	1	1	√	√
Gaboon caecilian	Geotrypetes seraphini	Gymnophiona	1	0	1	√	×
Tiny cayenne caecilian	Microcaecilia unicolor	Gymnophiona	1	1	2	√	√

√, putative function; ×, putative disfunction.

Abbreviation: PS, Pseudogene.