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Table 1 Summary of domain structures and expression evidence for LIM homeobox genes found in four early animal genomes

From: Early evolution of the LIM homeobox gene family

Subfamily

Nematostella

Hydra

Trichoplax

Amphimedon

 

Domains

Expressed

Domains

Expressed

Domains

Expressed

Domains

Expressed

Apterous (Lhx2/9)

L-L-H

Y

L-L-H

Y

L-L-H

Y

-

-

Arrowhead (Lhx6/8)

L-L-H

Y

L-H

Y

L-L

Y

-

-

Islet

L-L-H

Y

-

-

L-L-H

-

L-L-H

Y

lin-11 (Lhx1/5)

L-L-H

Y

L-L-H

Y

L-L-H

Y

L-L-H

Y

Lhx3/4

L-L-H

N

-

-

L-L-H

-

L-L-H

Y

Lmx

L-H

Y

L-L-H

Y

L-L-H

-

-

-

  1. H = homeodomain; L = LIM domain; N = not found to be expressed by reverse transcription polymerase chain reaction (RT-PCR); Y = expressed.