%0 Journal Article %T Genes of Cyanobacterial Origin in Plant Nuclear Genomes Point to a Heterocyst-Forming Plastid Ancestor %A Deusch, Oliver %A Landan, Giddy %A Roettger, Mayo %A Gruenheit, Nicole %A Kowallik, Klaus V. %A Allen, John F. %A Martin, William %A Dagan, Tal %J Molecular Biology and Evolution %V 25 %N 4 %P 748-761 %@ 0737-4038 %D 2008-01-24 %I Oxford University Press %~ DeepDyve