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How Genetics Has Helped Piece Together the MAPK Signaling Pathway

  • Dariel Ashton-Beaucage
  • Marc TherrienEmail author
Protocol
Part of the Methods in Molecular Biology book series (MIMB, volume 1487)

Abstract

Cells respond to changes in their environment, to developmental cues, and to pathogen aggression through the action of a complex network of proteins. These networks can be decomposed into a multitude of signaling pathways that relay signals from the microenvironment to the cellular components involved in eliciting a specific response. Perturbations in these signaling processes are at the root of multiple pathologies, the most notable of these being cancer. The study of receptor tyrosine kinase (RTK) signaling led to the first description of a mechanism whereby an extracellular signal is transmitted to the nucleus to induce a transcriptional response. Genetic studies conducted in drosophila and nematodes have provided key elements to this puzzle. Here, we briefly discuss the somewhat lesser known contribution of these multicellular organisms to our understanding of what has come to be known as the prototype of signaling pathways. We also discuss the ostensibly much larger network of regulators that has emerged from recent functional genomic investigations of RTK/RAS/ERK signaling.

Key words

Review RAS/MAPK signaling RAS MAPK ERK Drosophila melanogaster Caenorhabditis elegans Genetics History Genetic screen RNAi screen 

Notes

Acknowledgments

D.A.B. was the recipient of a Cole Foundation studentship. This work was supported by funds from the Canadian Institutes for Health Research (CIHR) to M.T. (MOP-119443).

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Copyright information

© Springer Science+Business Media New York 2017

Authors and Affiliations

  1. 1.Institute for Research in Immunology and Cancer, Laboratory of Intracellular SignalingUniversité de MontréalMontrealCanada
  2. 2.Département de Pathologie et de Biologie CellulaireUniversité de MontréalMontrealCanada

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