Slik and the receptor tyrosine kinase Breathless mediate localized activation of Moesin in terminal tracheal cells.

A key element in the regulation of subcellular branching and tube morphogenesis of the Drosophila tracheal system is the organization of the actin cytoskeleton by the ERM protein Moesin. Activation of Moesin within specific subdomains of cells, critical for its interaction with actin, is a tightly c...

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Main Authors: Fiona Paul Ukken, Imola Aprill, N JayaNandanan, Maria Leptin
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2014-01-01
Series:PLoS ONE
Online Access:http://europepmc.org/articles/PMC4111555?pdf=render
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author Fiona Paul Ukken
Imola Aprill
N JayaNandanan
Maria Leptin
author_facet Fiona Paul Ukken
Imola Aprill
N JayaNandanan
Maria Leptin
author_sort Fiona Paul Ukken
collection DOAJ
description A key element in the regulation of subcellular branching and tube morphogenesis of the Drosophila tracheal system is the organization of the actin cytoskeleton by the ERM protein Moesin. Activation of Moesin within specific subdomains of cells, critical for its interaction with actin, is a tightly controlled process and involves regulatory inputs from membrane proteins, kinases and phosphatases. The kinases that activate Moesin in tracheal cells are not known. Here we show that the Sterile-20 like kinase Slik, enriched at the luminal membrane, is necessary for the activation of Moesin at the luminal membrane and regulates branching and subcellular tube morphogenesis of terminal cells. Our results reveal the FGF-receptor Breathless as an additional necessary cue for the activation of Moesin in terminal cells. Breathless-mediated activation of Moesin is independent of the canonical MAP kinase pathway.
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spelling doaj.art-e9552185f4404ed3aa202f666ef0cde72022-12-21T22:48:20ZengPublic Library of Science (PLoS)PLoS ONE1932-62032014-01-0197e10332310.1371/journal.pone.0103323Slik and the receptor tyrosine kinase Breathless mediate localized activation of Moesin in terminal tracheal cells.Fiona Paul UkkenImola AprillN JayaNandananMaria LeptinA key element in the regulation of subcellular branching and tube morphogenesis of the Drosophila tracheal system is the organization of the actin cytoskeleton by the ERM protein Moesin. Activation of Moesin within specific subdomains of cells, critical for its interaction with actin, is a tightly controlled process and involves regulatory inputs from membrane proteins, kinases and phosphatases. The kinases that activate Moesin in tracheal cells are not known. Here we show that the Sterile-20 like kinase Slik, enriched at the luminal membrane, is necessary for the activation of Moesin at the luminal membrane and regulates branching and subcellular tube morphogenesis of terminal cells. Our results reveal the FGF-receptor Breathless as an additional necessary cue for the activation of Moesin in terminal cells. Breathless-mediated activation of Moesin is independent of the canonical MAP kinase pathway.http://europepmc.org/articles/PMC4111555?pdf=render
spellingShingle Fiona Paul Ukken
Imola Aprill
N JayaNandanan
Maria Leptin
Slik and the receptor tyrosine kinase Breathless mediate localized activation of Moesin in terminal tracheal cells.
PLoS ONE
title Slik and the receptor tyrosine kinase Breathless mediate localized activation of Moesin in terminal tracheal cells.
title_full Slik and the receptor tyrosine kinase Breathless mediate localized activation of Moesin in terminal tracheal cells.
title_fullStr Slik and the receptor tyrosine kinase Breathless mediate localized activation of Moesin in terminal tracheal cells.
title_full_unstemmed Slik and the receptor tyrosine kinase Breathless mediate localized activation of Moesin in terminal tracheal cells.
title_short Slik and the receptor tyrosine kinase Breathless mediate localized activation of Moesin in terminal tracheal cells.
title_sort slik and the receptor tyrosine kinase breathless mediate localized activation of moesin in terminal tracheal cells
url http://europepmc.org/articles/PMC4111555?pdf=render
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