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An emerging system to study photosymbiosis, brain regeneration, chronobiology, and behavior: the marine acoel symsagittifera roscoffensis

Arboleda, Enrique ; Hartenstein, Volker ; Martinez, Pedro ; Reichert, Heinrich ; Sen, Sonia ; Sprecher, Simon ; Bailly, Xavier

In: BioEssays, 2018, vol. 40, no. 10, p. 1800107

The acoel worm Symsagittifera roscoffensis, an early offshoot of the Bilateria and the only well-studied marine acoel that lives in a photosymbiotic relationship, exhibits a centralized nervous system, brain regeneration, and a wide repertoire of complex behaviors such as circatidal rhythmicity, photo/geotaxis, and social interactions. While this animal can be collected by the thousands and...

Organization of the Drosophila larval visual circuit

Larderet, Ivan ; Fritsch, Pauline ; Gendre, Nanae ; Maier, Larisa ; Fetter, Rick D. ; Schneider-Mizell, Casey ; Truman, James ; Zlatic, Marta ; Cardona, Albert ; Sprecher, Simon

Visual systems transduce, process and transmit light-dependent environmental cues. Computation of visual features depends on the types of photoreceptor neurons (PR) present, the organization of the eye and the wiring of the underlying neural circuit. Here, we describe the circuit architecture of the visual system of Drosophila larvae by mapping the synaptic wiring diagram and...