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In the present study, long-chain acyl-CoA synthetase 6 (ACSL6), a lipid metabolizing enzyme responsible for channeling the omega-3 polyunsaturated fatty acid docosahexaenoic acid (DHA) into neuronal membranes, was deleted exclusively in mouse dopaminergic neurons. B Front cover b Cellular memory can be defined as an inheritable cellular feature that maintains a unique gene expression pattern from a mother cell to daughter cells after cell division. We identified oligodendrocyte transcription factor2 OLIG2 as an I in vivo i bookmarking transcription factor in developing neural tubes of mice. [Extracted from the article]