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Table 1 Numbers of sweet taste receptors and pseudogenes in fishes

From: Expansion of sweet taste receptor genes in grass carp (Ctenopharyngodon idellus) coincided with vegetarian adaptation

Order Species Food habits Numbers of T1R2 Accession no.
Coelacanthiformes Coelacanth (Latimeria chalumnae) Carnivore 2 XM_005986116
XM_005986117
Lepidosteiformes Spotted gar (Lepisosteus oculatus) Carnivore 2 XM_015337079
XM_015337086
Characiformes Cavefish (Astyanax mexicanus) Carnivore 2 ENSAMXG00000014366
ENSAMXG00000014380
Gasterosteiformes Stickleback (Gasterosteus aculeatus) Carnivore 8 ENSGACG00000006506
ENSGACG00000006510
ENSGACG00000006517
ENSGACG00000006525
ENSGACG00000006529
ENSGACG00000006534
ENSGACG00000006536
ENSGACG00000006762
Perciformes European seabass (Dicentrarchus labrax) Carnivore 2 DLAgn_00132730
DLAgn_00132740
Cyprinodontiformes Guppy (Poecilia reticulata) Omnivore 2 XM_008414738.2
XM_008413473.2
Cyprinodontiformes Southern platyfish (Xiphophorus maculatus) Omnivore 2 XM_005800149.1
XM_023341410.1
Beloniformes Medaka (Oryzias latipes) Omnivore 3 AB200906
AB200907
AB200908
Perciformes Zebra mbuna (Maylandia zebra) Omnivore 2 XM_004554287.4
XM_004554097.2
Perciformes Tilapia (Oreochromis niloticus) Omnivore 3 XM_005478384
XM_003444871
XM_003444784
Tetraodontiformes Fugu (Takifugu rubripes) Omnivore 2 AB200911
AB200912
Cypriniformes Common carp (Cyprinus carpio) Omnivore 2 XM_019093519.1
XM_019091545.1
Cypriniformes Zebrafish (Danio rerio) Omnivore 2 NM_001039831
NM_001083856
Cypriniformes Blunt snout bream (Megalobrama amblycephala) Herbivore 3 SRP090157
Cypriniformes Grass carp (Ctenopharyngodon idellus) Herbivore 6 KU976430
KU976431
KU976432
KU976433
KU976434
KU976435