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Articles by Peter Soba
Peptidergic top-down control of metabolic state-dependent behavioral decisions in a conflicting sensory context
Abstract Animals make economically beneficial behavioral decisions by integrating the external sensory environment with their internal state. The metabolic state, i.e. hunger, can shift priorities, prompting risk-taking and reducing responses to danger during foraging activities. How behavioral changes are processed in the nervous system to generate flexible responses based on needs and risks remains largely unclear.
A bistable inhibitory optoGPCR for multiplexed optogenetic control of neural circuits - Nature Methods
Abstract Information is transmitted between brain regions through the release of neurotransmitters from long-range projecting axons. Understanding how the activity of such long-range connections contributes to behavior requires efficient methods for reversibly manipulating their function.
Highlights • MT acetylation near the MTOC from stage 1 cells spread out to growing axons (stage 3) • MT acetylation in soma at stage 1 is significantly lower compared with stage 2 neurons • Centrosomal protein, Cep120, modulates axon formation through MT acetylation • TACC3, an MT-stabilizing protein, is enriched in the longest neurites at stages 2 and 3 Summary Microtubule (MT) modifications are critical during axon development, with stable MTs populating the axon.
Maintenance of cell type-specific connectivity and circuit function requires Tao kinase
Abstract Sensory circuits are typically established during early development, yet how circuit specificity and function are maintained during organismal growth has not been elucidated. To gain insight we quantitatively investigated synaptic growth and connectivity in the Drosophila nociceptive network during larval development. We show that connectivity between primary nociceptors and their downstream neurons scales with animal size.
Epidermis-Derived Semaphorin Promotes Dendrite Self-Avoidance by Regulating Dendrite-Substrate Adhesion in Drosophila Sensory Neurons
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