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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

OrderSpeciesFood habitsNumbers of T1R2Accession no.
CoelacanthiformesCoelacanth (Latimeria chalumnae)Carnivore2XM_005986116
XM_005986117
LepidosteiformesSpotted gar (Lepisosteus oculatus)Carnivore2XM_015337079
XM_015337086
CharaciformesCavefish (Astyanax mexicanus)Carnivore2ENSAMXG00000014366
ENSAMXG00000014380
GasterosteiformesStickleback (Gasterosteus aculeatus)Carnivore8ENSGACG00000006506
ENSGACG00000006510
ENSGACG00000006517
ENSGACG00000006525
ENSGACG00000006529
ENSGACG00000006534
ENSGACG00000006536
ENSGACG00000006762
PerciformesEuropean seabass (Dicentrarchus labrax)Carnivore2DLAgn_00132730
DLAgn_00132740
CyprinodontiformesGuppy (Poecilia reticulata)Omnivore2XM_008414738.2
XM_008413473.2
CyprinodontiformesSouthern platyfish (Xiphophorus maculatus)Omnivore2XM_005800149.1
XM_023341410.1
BeloniformesMedaka (Oryzias latipes)Omnivore3AB200906
AB200907
AB200908
PerciformesZebra mbuna (Maylandia zebra)Omnivore2XM_004554287.4
XM_004554097.2
PerciformesTilapia (Oreochromis niloticus)Omnivore3XM_005478384
XM_003444871
XM_003444784
TetraodontiformesFugu (Takifugu rubripes)Omnivore2AB200911
AB200912
CypriniformesCommon carp (Cyprinus carpio)Omnivore2XM_019093519.1
XM_019091545.1
CypriniformesZebrafish (Danio rerio)Omnivore2NM_001039831
NM_001083856
CypriniformesBlunt snout bream (Megalobrama amblycephala)Herbivore3SRP090157
CypriniformesGrass carp (Ctenopharyngodon idellus)Herbivore6KU976430
KU976431
KU976432
KU976433
KU976434
KU976435