Cited 6 time in webofscience Cited 6 time in scopus

Feeding state-dependent regulation of developmental plasticity via CaMKI and neuroendocrine signaling

Title
Feeding state-dependent regulation of developmental plasticity via CaMKI and neuroendocrine signaling
Authors
Neal, Scott J.Takeishi, AsukaO'Donnell, Michael P.Park, JiSooHong, MyeongjinButcher, Rebecca A.Kim, KyuhyungSengupta, Piali
DGIST Authors
Kim, Kyuhyung
Issue Date
2015-09-03
Citation
eLife, 4
Type
Article
Article Type
Article
ISSN
2050-084X
Abstract
Information about nutrient availability is assessed via largely unknown mechanisms to drive developmental decisions, including the choice of Caenorhabditis elegans larvae to enter into the reproductive cycle or the dauer stage. In this study, we show that CMK-1 CaMKI regulates the dauer decision as a function of feeding state. CMK-1 acts cell-autonomously in the ASI, and non cell-autonomously in the AWC, sensory neurons to regulate expression of the growth promoting daf-7 TGF-β and daf-28 insulin-like peptide (ILP) genes, respectively. Feeding state regulates dynamic subcellular localization of CMK-1, and CMK-1-dependent expression of anti-dauer ILP genes, in AWC. A food-regulated balance between anti-dauer ILP signals from AWC and pro-dauer signals regulates neuroendocrine signaling and dauer entry; disruption of this balance in cmk-1 mutants drives inappropriate dauer formation under well-fed conditions. These results identify mechanisms by which nutrient information is integrated in a small neuronal network to modulate neuroendocrine signaling and developmental plasticity. © Neal et al.
URI
http://hdl.handle.net/20.500.11750/5170
DOI
10.7554/eLife.10110
Publisher
eLife Sciences Publications Ltd.
Related Researcher
  • Author Kim, Kyu Hyung The K. Kim Lab of Neurobehavior and Neural Circuits
  • Research Interests
Files:
There are no files associated with this item.
Collection:
Brain and Cognitive SciencesThe K. Kim Lab of Neurobehavior and Neural Circuits1. Journal Articles


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