%0 Journal Article %T Ammonium Ions Control Gametic Differentiation and Dedifferentiation in Chlamydomonas reinhardtii %A Matsuda,, Yoshihiro %A Shimada,, Tomoo %A Sakamoto,, Yutaka %J Plant and Cell Physiology %V 33 %N 7 %P 909-914 %@ 0032-0781 %D 1992-10-01 %I Oxford University Press %~ DeepDyve