Welcome on COUSIN website

(COdon Usage Similarity INdex)


New here ? Check our Tutorial



COUSIN is a bioinformatic tool which aims to calculate the Codon Usage Preferences (CUPrefs) of sequences using a novel index named COUSIN. In addition, numerous functions are proposed to enhance your CUPrefs analysis experience !



Use our online tool, or install our local version for a personnal use !




Want to know more about COUSIN ? Check our publication.


Want to cite us ? Please do as following:


Jérôme Bourret, Samuel Alizon, Ignacio G Bravo, COUSIN (COdon Usage Similarity INdex): A Normalized Measure of Codon Usage Preferences, Genome Biology and Evolution, Volume 11, Issue 12, December 2019, Pages 3523–3528, https://doi.org/10.1093/gbe/evz262





COUSIN is powered by the iTROP cluster (IRD). It has been created in the MIVEGEC laboratories (CNRS, IRD, UM) thanks to the Codovirevol ERC