Differential spatiotemporal development of Purkinje cell populations and cerebellum-dependent sensorimotor behaviors

Gerrit Cornelis Beekhof, Catarina Osório, Joshua J. White, Scott Van Zoomeren, Hannah van der Stok, Bilian Xiong, Ingo H.M.S. Nettersheim, Willem Ashwin Mak, Marit Runge, Francesca Romana Fiocchi, Henk Jan Boele, Freek E. Hoebeek, Martijn Schonewille*

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

5 Citations (Scopus)
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Distinct populations of Purkinje cells (PCs) with unique molecular and connectivity features are at the core of the modular organization of the cerebellum. Previously, we showed that firing activity of PCs differs between ZebrinII-positive and ZebrinII-negative cerebellar modules (Zhou et al., 2014; Wu et al., 2019). Here, we investigate the timing and extent of PC differentiation during development in mice. We found that several features of PCs, including activity levels, dendritic arborization, axonal shape and climbing fiber input, develop differentially between nodular and anterior PC populations. Although all PCs show a particularly rapid development in the second postnatal week, anterior PCs typically have a prolonged physiological and dendritic maturation. In line herewith, younger mice exhibit attenuated anterior-dependent eyeblink conditioning, but faster nodular-dependent compensatory eye movement adaptation. Our results indicate that specific cerebellar regions have unique developmental timelines which match with their related, specific forms of cerebellum-dependent behaviors.

Original languageEnglish
Article numbere63668
Publication statusPublished - 11 Jun 2021


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