Skip to main content

Table 1 Birds, frogs and cartilaginous fishes lack erk1 gene in their genome

From: ERK1 and ERK2 present functional redundancy in tetrapods despite higher evolution rate of ERK1

 

Genes present

Proteins detected by western blot

erk1

erk2

ERK1

ERK2

Mammalia

Eutheria

Mouse

Mus musculus

Cattle

Bos taurus

Chinese hamster

Cricetulus griseus

European rabbit

Oryctolagus cuniculus

Metatheria

Opossum

Monodelphis Domestica

Monotremata

Platypus

Ornithorhynchus anatinus

nd

nd

Sauropsida

Archosauria

Aves

Chicken

Gallus gallus

o

 

Greater Rhea

Rhea americana

o

 

Crocodylia

Nile crocodile

Crocodylus niloticus

 

Squamata

Garter snake

Thamnophis elegans

 

Corn snake

Pantherophis guttatus

 

Bull snake

Pituophis catenifer sayi

 

Green anole

Anolis carolinensis

 

Brown anole

Anolis sagrei

 

Common gecko

Tarentola mauritanica

 

Testudines

Red-eared slider

Trachemys scripta elegans

European pond turtle

Emys orbicularis

Amphibia

Anura

African clawed frog

Xenopus laevi

o

 

Caudata

Axolotl

Ambiostoma mexicanum

Presence in fishes

Euteleostomi

Sarcopterygii

Coelacanth

Latimeria chalumnae

nd

nd

Actinopterygii

Teleosts

European sea bass

Dicentrarchus labrax

African jewelfish

Hemichromis bimaculatus

Polypteridae

Bichir

Polypterus senegalus

Chondrichthyes

Spiny dogfish

Squalus acanthias

o

 

Smaller spotted catshark

Scyliorhinus canicula

o

 

Winter skate

Raja ocellata

o

 

  1. Genomes and EST databases were scrutinized for the presence of erk1/2 exons, if gene is present: if gene is absent: O
  2. Presence of proteins readily detected on Western Blots in this work is indicated:
  3. nd not determined