Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
6957
pubmed:dateCreated
2003-10-2
pubmed:abstractText
The Drosophila melanogaster gene Anaplastic lymphoma kinase (Alk) is homologous to mammalian Alk, a member of the Alk/Ltk family of receptor tyrosine kinases (RTKs). We have previously shown that the Drosophila Alk RTK is crucial for visceral mesoderm development during early embryogenesis. Notably, observed Alk visceral mesoderm defects are highly reminiscent of the phenotype reported for the secreted molecule Jelly belly (Jeb). Here we show that Drosophila Alk is the receptor for Jeb in the developing visceral mesoderm, and that Jeb binding stimulates an Alk-driven, extracellular signal-regulated kinase-mediated signalling pathway, which results in the expression of the downstream gene duf (also known as kirre)--needed for muscle fusion. This new signal transduction pathway drives specification of the muscle founder cells, and the regulation of Duf expression by the Drosophila Alk RTK explains the visceral-mesoderm-specific muscle fusion defects observed in both Alk and jeb mutant animals.
pubmed:commentsCorrections
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Oct
pubmed:issn
1476-4687
pubmed:author
pubmed:issnType
Electronic
pubmed:day
2
pubmed:volume
425
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
512-6
pubmed:dateRevised
2011-11-17
pubmed:meshHeading
pubmed:year
2003
pubmed:articleTitle
Jeb signals through the Alk receptor tyrosine kinase to drive visceral muscle fusion.
pubmed:affiliation
Umeå Center for Molecular Pathogenesis, Umeå University, Umeå, S-901 87, Sweden.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't