The rodent brain constantly generates new granule and periglomerular interneurons to replenish the olfactory bulb. New work shows that the two subtypes are derived from distinct progenitor populations, revealing unexpected diversity among adult neural stem cells.
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Guillemot, F., Parras, C. Adult neurogenesis: a tale of two precursors. Nat Neurosci 8, 846–848 (2005). https://doi.org/10.1038/nn0705-846
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DOI: https://doi.org/10.1038/nn0705-846