To investigate the immune defense of the annelid Nereis diversicolor and the key role of a oxygen-binding protein, the metalloprotein MPII animals were subjected to bacteria infection.
Laboratoire de Neuroimmunologie des Annélides, UMR CNRS 8017, IFR 118, SN3, Université des Sciences et Technologies de Lille, F-59655 Villeneuve D'Ascq cedex, FRANCE.