Identification of sox genes in the swimbladder.

<p>Identification of sox genes in the swimbladder.</p

qRT-PCR validation of 18 genes that were differentially expressed between gill and swimbladder.

<p>Dark red indicates the tissue of gill and medium slate blue indicates the swimbladder. a, Rh type C glycoprotein2; b, Ras-related protein Rab-19-like; c, Claudin-8-like; d, NAD(P)H dehydrogenase, quinone 1; e, Transmembrane protease serine 11D-like; g, Transmembrane protease serine 9-like; h, Trypsin-like; I, Transcription factor 21-like; j, Minichromosome maintenance complex component 4; k, IL2-inducible T-cell kinase; l, Microphthalmia-associated transcription factor; m, Nuclear receptor subfamily 4, group A, member 2; n, Tetraspanin 11; o, Ankyrin repeat domain-containing protein SOWAHA-like; p, Eukaryotic translation initiation factor 4A2; q, Kelch-like protein 13-like; r, Indian hedgehog protein-like; s, Neuromedin U receptor 1. Asterisk indicates statistical significant level of <i>P</i><0.05.</p

Gene Ontology (GO) (level 2) for the gill and swimbladder transcriptome under Molecular function, Cellular component and Biological process.

<p>Gene Ontology (GO) (level 2) for the gill and swimbladder transcriptome under Molecular function, Cellular component and Biological process.</p

Genetic map of male <i>Strongylocentrotus intermedius</i>.

<p>Genetic map of male <i>Strongylocentrotus intermedius</i>.</p

QTL plots for body size on linkage group 5.

<p>QTL plots for body size on linkage group 5.</p

Identification of growth-related genes from the QTL region based on the genome assembly of <i>Strongylocentrotus purpuratus</i>.

<p>Identification of growth-related genes from the QTL region based on the genome assembly of <i>Strongylocentrotus purpuratus</i>.</p

Identification of expressed hox genes in the swimbladder.

<p>Identification of expressed hox genes in the swimbladder.</p

Sequencing reads mapped to various genomic regions. a, gill; b, swimbladder.

<p>Sequencing reads mapped to various genomic regions. a, gill; b, swimbladder.</p

Distribution of genes based on RPKM. a, gill; b, swimbladder.

<p>Distribution of genes based on RPKM. a, gill; b, swimbladder.</p

Genome wide distribution of LOD scores for body size.

<p>The red bars show the LOD generated from permutation tests (n = 5,000).</p