Conserved and Divergent Features of Adult Neurogenesis in Zebrafish

Frontiers in Cell and Developmental Biology
Miriam LabuschLaure Bally-Cuif

Abstract

Adult neurogenesis, i.e., the generation of neurons from neural stem cells (NSCs) in the adult brain, contributes to brain plasticity in all vertebrates. It varies, however, greatly in extent, location and physiological characteristics between species. During the last decade, the teleost zebrafish (D. rerio) was increasingly used to study the molecular and cellular properties of adult NSCs, in particular as a prominent NSC population was discovered at the ventricular surface of the dorsal telencephalon (pallium), in territories homologous to the adult neurogenic niches of rodents. This model, for its specific features (large NSC population, amenability to intravital imaging, high regenerative capacity) allowed rapid progress in the characterization of basic adult NSC features. We review here these findings, with specific comparisons with the situation in rodents. We specifically discuss the cellular nature of NSCs (astroglial or neuroepithelial cells), their heterogeneities and their neurogenic lineages, and the mechanisms controlling NSC quiescence and fate choices, which all impact the neurogenic output. We further discuss the regulation of NSC activity in response to physiological triggers and non-physiological conditions su...Continue Reading

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Citations

Oct 11, 2020·International Journal of Molecular Sciences·Masahito KawaboriKiyohiro Houkin
Dec 10, 2020·BioEssays : News and Reviews in Molecular, Cellular and Developmental Biology·Nicolas DrayLaure Bally-Cuif
Jul 17, 2021·Frontiers in Cell and Developmental Biology·Yuki Shimizu, Takashi Kawasaki
Aug 19, 2021·The Journal of Experimental Biology·Kent D DunlapRui F Oliveira

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Methods Mentioned

BETA
transgenic
nuclear translocation
scRNAseq
RNASeq
scRNA sequencing

Software Mentioned

Imaris

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