The Basal Radial Glia Occurs in Marsupials and Underlies the Evolution of an Expanded Neocortex in Therian Mammals
Christine Sauerland, Brandon R Menzies, Megan Glatzle, Johannes Seeger, Marilyn B Renfree, Simone A Fietz
Cerebral Cortex | Oxford University Press (OUP) | Published : 2018
A hallmark of mammalian brain evolution is the emergence of the neocortex, which has expanded in all mammalian infraclasses (Eutheria, Marsupialia, Monotremata). In eutherians, neocortical neurons derive from distinct neural stem and progenitor cells (NPCs). However, precise data on the presence and abundance of the NPCs, especially of basal radial glia (bRG), in the neocortex of marsupials are lacking. This study characterized and quantified the NPCs in the developing neocortex of a marsupial, the tammar wallaby (Macropus eugenii). Our data demonstrate that its neocortex is characterized by high NPC diversity. Importantly, we show that bRG exist at high relative abundance in the tammar indi..View full abstract
Awarded by Deutscher Akademischer Austauschdienst/German Academic Exchange Service (DAAD)
Awarded by Deutsche Forschungsgemeinschaft/German Research Foundation (DFG)
Deutscher Akademischer Austauschdienst/German Academic Exchange Service (DAAD, Project 57141544 to S.A.F) and the Deutsche Forschungsgemeinschaft/German Research Foundation (DFG, FI 1565/3-1 to S.A.F.); Australian GO8 (travel grant to M.B.R. and B.R.M.).