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DamID transcriptional profiling identifies the Snail/Scratch transcription factor Kahuli as an Alk target in the Drosophila visceral mesoderm
Department of Medical Biochemistry and Cell Biology, Institute of Biomedicine, University of Gothenburg, SE-405 30 Gothenburg, Sweden.ORCID iD: 0000-0002-6084-7962
Department of Medical Biochemistry and Cell Biology, Institute of Biomedicine, University of Gothenburg, SE-405 30 Gothenburg, Sweden.ORCID iD: 0000-0001-6107-2487
Department of Medical Biochemistry and Cell Biology, Institute of Biomedicine, University of Gothenburg, SE-405 30 Gothenburg, Sweden.ORCID iD: 0000-0001-9543-3113
Department of Medical Biochemistry and Cell Biology, Institute of Biomedicine, University of Gothenburg, SE-405 30 Gothenburg, Sweden.
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2021 (English)In: Development, ISSN 0950-1991, E-ISSN 1477-9129, Vol. 148, no 23, article id dev199465Article in journal (Refereed) Published
Abstract [en]

Development of the Drosophila visceral muscle depends on Anaplastic Lymphoma Kinase (Alk) receptor tyrosine kinase (RTK) signaling, which specifies founder cells (FCs) in the circular visceral mesoderm (VM). Although Alk activation by its ligand Jelly Belly (Jeb) is well characterized, few target molecules have been identified. Here, we used targeted DamID (TaDa) to identify Alk targets in embryos overexpressing Jeb versus embryos with abrogated Alk activity, revealing differentially expressed genes, including the Snail/Scratch family transcription factor Kahuli (Kah). We confirmed Kah mRNA and protein expression in the VM, and identified midgut constriction defects in Kah mutants similar to those of pointed (pnt). ChIP and RNA-Seq data analysis defined a Kah target-binding site similar to that of Snail, and identified a set of common target genes putatively regulated by Kah and Pnt during midgut constriction. Taken together, we report a rich dataset of Alk-responsive loci in the embryonic VM and functionally characterize the role of Kah in the regulation of embryonic midgut morphogenesis.

Place, publisher, year, edition, pages
The Company of Biologists , 2021. Vol. 148, no 23, article id dev199465
Keywords [en]
Single cell, ChIP, Jelly belly, Signaling, TaDa, Midgut constriction, ETS, Pointed
National Category
Genetics and Genomics Biochemistry Molecular Biology Cell and Molecular Biology
Identifiers
URN: urn:nbn:se:umu:diva-190470DOI: 10.1242/dev.199465ISI: 000731753800002PubMedID: 34905617Scopus ID: 2-s2.0-85122474160OAI: oai:DiVA.org:umu-190470DiVA, id: diva2:1620664
Funder
Swedish Cancer Society, RHP CAN18/0729Swedish Cancer Society, BA 200270PSwedish Cancer Society, JLA CAN17/342Swedish Cancer Society, EL CAN15/541Swedish Childhood Cancer Foundation, RHP 2019-0078Swedish Research Council, RHP 2019-03914Swedish Research Council, MB 2019-01708Swedish Research Council, JLA 2016-03306Swedish Research Council, EL 14-3596Knut and Alice Wallenberg Foundation, KAW 2015.0144Available from: 2021-12-16 Created: 2021-12-16 Last updated: 2025-02-20Bibliographically approved

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Lindehell, HenrikLarsson, Jan

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Mendoza-Garcia, PatriciaBasu, SwarajSukumar, Sanjay KumarLindehell, HenrikLarsson, JanBemark, MatsPalmer, Ruth H.
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