Article
Life-cycle modification in open oceans accounts for genome variability in a cosmopolitan phytoplankton.
The ISME journal - 1 Jun 2015
von Dassow Peter, John Uwe, Ogata Hiroyuki, Probert Ian, Bendif El Mahdi, Kegel Jessica U, Audic Stéphane, Wincker Patrick, Da Silva Corinne, Claverie Jean-Michel, Doney Scott, Glover David M, Flores Daniella Mella, Herrera Yeritza, Lescot Magali, Garet-Delmas Marie-José, de Vargas Colomban
Abstract excerpt
Emiliania huxleyi is the most abundant calcifying plankton in modern oceans with substantial intraspecific genome variability and a biphasic life cycle involving sexual alternation between calcified 2N and flagellated 1N cells. We show that high genome content variability in Emiliania relates to erosion of 1N-specific genes and loss of the ability to form flagellated cells. Analysis of 185 E. huxleyi strains...
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