Invertebrate and vertebrate nervous systems generate different types of dopaminergic neurons in distinct parts of the brain. We have taken a genetic approach to understand how the four functionally related, but lineally unrelated, classes of dopaminergic neurons of the nematode Caenorhabditis elegans, located in distinct parts of its nervous system, are specified. We have identified several genes involved in the generation of a specific dopaminergic neuron type that is generated from the so-called postdeirid lineage, called PDE. Apart from classic proneural genes and components of the mediator complex, we identified a novel, previously uncharacterized zinc finger transcription factor, ztf-6 Loss of ztf-6 has distinct effects in different dopamine neuron-producing neuronal lineages. In the postdeirid lineage, ztf-6 is required for proper cell division patterns and the proper distribution of a critical cell fate determinant, the POP-1/TCF-like transcription factor.
|Number of pages||10|
|Journal||G3: Genes | Genomes | Genetics|
|Early online date||4 Jan 2018|
|Publication status||E-pub ahead of print - 4 Jan 2018|
- Journal Article
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- Deanery of Biomedical Sciences - Senior Lecturer
- Centre for Discovery Brain Sciences
- Edinburgh Neuroscience
Person: Academic: Research Active