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Articles by Daniel Witvliet
Post-embryonic remodeling of the C. elegans motor circuit
Hopkins B. Geangu E. Linkenauger S. Postnatal brain development. in: The Cambridge Encyclopedia of Child Development. Cambridge University Press, 2017: 563-594https://doi.org/10.1017/9781316216491.090 Sulston J.E. Horvitz H.R. Post-embryonic cell lineages of the nematode, Caenorhabditis elegans. Dev. Biol. 1977; 56: 110-156https://doi.org/10.1016/0012-1606(77)90158-0 Sulston J.E. Schierenberg E. White J.G. Thomson J.N. The embryonic cell lineage of the nematode Caenorhabditis elegans. Dev. Biol.
Natural sensory context drives diverse brain-wide activity during C. elegans mating
Highlights • Brain-wide activity was recorded across a brain’s behavioral repertoire • Each neuron is functionally unique and has a conserved role from animal to animal • Correlations between neurons are not fixed but depend on behavioral context • Motif-specific neuronal dynamics are manifested as behavior unfolds Summary Natural goal-directed behaviors often involve complex sequences of many stimulus-triggered components.
Natural sensory context drives diverse brain-wide activity during C. elegans mating
Abstract Natural goal-directed behaviors often involve complex sequences of many stimulus-triggered components. Understanding how brain circuits organize such behaviors requires mapping the interactions between an animal, its environment, and its nervous system. Here, we use continuous brain-wide neuronal imaging to study the full performance of mating by the C. elegans male.
Interrogating the ccm-3 Gene Network
Cerebral cavernous malformations (CCMs) are neurovascular lesions caused by mutations in one of three genes (CCM1–3). Loss of CCM3 causes the poorest prognosis, and little is known about how it regulates vascular integrity. The C. elegans ccm-3 gene regulates the development of biological tubes that resemble mammalian vasculature, and in a genome-wide reverse genetic screen, we identified more than 500 possible CCM-3 pathway genes.
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