Nine candidate genes (first column) to be periodic.

<p>Genes declared to be periodic by Cyclebase are indicated by (per). The numbers in the second, third and fourth column correspond to the ranking according to Johnansson et al. <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0006633#pone.0006633-Johansson1" target="_blank">[31]</a>, de Lichtenberg et al. <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0006633#pone.0006633-deLichtenberg1" target="_blank">[12]</a> and Cyclebase <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0006633#pone.0006633-Gauthier1" target="_blank">[30]</a>.