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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