An axenic cyclostat of Prochlorococcus PCC 9511 with a simulator of natural light regimes - F. Bruyant; M. Babin; A. Sciandra; D. Marie; B. Genty; H. Claustre; J. Blanchot; A. Bricaud; R. Rippka; S. Boulben; F. Louis; F. Partensky (Journal of Applied Phycology, 2001)