Table 1 Organism-specific databases utilised in this study.

Apis mellifera

BeeBase

http://genomes.arc.georgetown.edu/drupal/beebase/

Batrachochytrium dendrobatidis

Broad

http://www.broadinstitute.org/annotation/genome/batrachochytrium_dendrobatidis/

Capitella teleta

JGI

http://genome.jgi-psf.org/Capca1/Capca1.home.html

Chlorella NC64A

JGI

http://genome.jgi-psf.org/ChlNC64A_1/ChlNC64A_1.home.html

Chlorella vulgaris

JGI

http://genome.jgi-psf.org/Chlvu1/Chlvu1.home.html

Ciona intestinalis

JGI

http://genome.jgi-psf.org/Cioin2/Cioin2.home.html

Cyanidioschyzon merolae

Univ. of Tokyo

http://merolae.biol.s.u-tokyo.ac.jp/

Daphnia pulex

JGI

http://genome.jgi-psf.org/Dappu1/Dappu1.home.html

Daphnia pulex

wFleaBase

http://wfleabase.org/

Dictyostelium discoideum

dictyBase

http://www.dictybase.org/

Helobdella robusta

JGI

http://genome.jgi-psf.org/Helro1/Helro1.home.html

Lottia gigantea

JGI

http://genome.jgi-psf.org/Lotgi1/Lotgi1.home.html

Monosiga brevicollis

JGI

http://genome.jgi-psf.org/Monbr1/Monbr1.home.html

Parhyale hawaiensis

JGI

http://genome.jgi-psf.org/parha/parha.home.html

Rhizopus oryzae

Broad

http://www.broadinstitute.org/annotation/genome/rhizopus_oryzae/

Schizosaccharomyces octosporus

Broad

http://www.broadinstitute.org/annotation/genome/schizosaccharomyces_group/

Selaginella moellendorffii

JGI

http://genome.jgi-psf.org/Selmo1/Selmo1.home.html

Stagonospora (Phaeosphaeria) nodorum

Broad

http://www.broadinstitute.org/annotation/genome/stagonospora_nodorum.2/

Trichoplax adhaerens

JGI

http://genome.jgi-psf.org/Triad1/Triad1.home.html

Xenopus (Silurana) tropicalis

JGI

http://genome.jgi-psf.org/Xentr4/Xentr4.home.html