PMID- 21708145 OWN - NLM STAT- MEDLINE DCOM- 20110926 LR - 20110725 IS - 1095-564X (Electronic) IS - 0012-1606 (Linking) VI - 356 IP - 2 DP - 2011 Aug 15 TI - Multipotent neural stem cells generate glial cells of the central complex through transit amplifying intermediate progenitors in Drosophila brain development. PG - 553-65 LID - 10.1016/j.ydbio.2011.06.013 [doi] AB - The neural stem cells that give rise to the neural lineages of the brain can generate their progeny directly or through transit amplifying intermediate neural progenitor cells (INPs). The INP-producing neural stem cells in Drosophila are called type II neuroblasts, and their neural progeny innervate the central complex, a prominent integrative brain center. Here we use genetic lineage tracing and clonal analysis to show that the INPs of these type II neuroblast lineages give rise to glial cells as well as neurons during postembryonic brain development. Our data indicate that two main types of INP lineages are generated, namely mixed neuronal/glial lineages and neuronal lineages. Genetic loss-of-function and gain-of-function experiments show that the gcm gene is necessary and sufficient for gliogenesis in these lineages. The INP-derived glial cells, like the INP-derived neuronal cells, make major contributions to the central complex. In postembryonic development, these INP-derived glial cells surround the entire developing central complex neuropile, and once the major compartments of the central complex are formed, they also delimit each of these compartments. During this process, the number of these glial cells in the central complex is increased markedly through local proliferation based on glial cell mitosis. Taken together, these findings uncover a novel and complex form of neurogliogenesis in Drosophila involving transit amplifying intermediate progenitors. Moreover, they indicate that type II neuroblasts are remarkably multipotent neural stem cells that can generate both the neuronal and the glial progeny that make major contributions to one and the same complex brain structure. CI - Copyright (c) 2011 Elsevier Inc. All rights reserved. FAU - Viktorin, Gudrun AU - Viktorin G AD - Biozentrum, University of Basel, Klingelbergstrasse 70, Basel, Switzerland. gudrunviktorin@gmail.com FAU - Riebli, Nadia AU - Riebli N FAU - Popkova, Anna AU - Popkova A FAU - Giangrande, Angela AU - Giangrande A FAU - Reichert, Heinrich AU - Reichert H LA - eng PT - Journal Article PT - Research Support, Non-U.S. Gov't DEP - 20110625 PL - United States TA - Dev Biol JT - Developmental biology JID - 0372762 SB - IM MH - Animals MH - Brain/*embryology MH - Cell Lineage MH - Cell Proliferation MH - Drosophila melanogaster/*embryology MH - Multipotent Stem Cells/*cytology MH - Neural Stem Cells/*cytology MH - *Neurogenesis MH - Neuroglia/*cytology EDAT- 2011/06/29 06:00 MHDA- 2011/09/29 06:00 CRDT- 2011/06/29 06:00 PHST- 2010/12/16 00:00 [received] PHST- 2011/05/27 00:00 [revised] PHST- 2011/06/11 00:00 [accepted] PHST- 2011/06/29 06:00 [entrez] PHST- 2011/06/29 06:00 [pubmed] PHST- 2011/09/29 06:00 [medline] AID - S0012-1606(11)01035-9 [pii] AID - 10.1016/j.ydbio.2011.06.013 [doi] PST - ppublish SO - Dev Biol. 2011 Aug 15;356(2):553-65. doi: 10.1016/j.ydbio.2011.06.013. Epub 2011 Jun 25.