A conserved regulatory program initiates lateral plate mesoderm emergence across chordates

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2019
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Prummel, Karin D.
Hess, Christopher
Nieuwenhuize, Susan
Parker, Hugo J.
Rogers, Katherine W.
Kozmikova, Iryna
Racioppi, Claudia
Brombacher, Eline C.
Mosimann, Christian
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Cardiovascular lineages develop together with kidney, smooth muscle, and limb connective tissue progenitors from the lateral plate mesoderm (LPM). How the LPM initially emerges and how its downstream fates are molecularly interconnected remain unknown. Here, we isolate a pan-LPM enhancer in the zebrafish-specific draculin (drl) gene that provides specific LPM reporter activity from early gastrulation. In toto live imaging and lineage tracing of drl-based reporters captures the dynamic LPM emergence as lineage-restricted mesendoderm field. The drl pan-LPM enhancer responds to the transcription factors EomesoderminA, FoxH1, and MixL1 that combined with Smad activity drive LPM emergence. We uncover specific activity of zebrafish-derived drl reporters in LPM-corresponding territories of several chordates including chicken, axolotl, lamprey, Ciona, and amphioxus, revealing a universal upstream LPM program. Altogether, our work provides a mechanistic framework for LPM emergence as defined progenitor field, possibly representing an ancient mesodermal cell state that predates the primordial vertebrate embryo.

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ISO 690PRUMMEL, Karin D., Christopher HESS, Susan NIEUWENHUIZE, Hugo J. PARKER, Katherine W. ROGERS, Iryna KOZMIKOVA, Claudia RACIOPPI, Eline C. BROMBACHER, Patrick MÜLLER, Christian MOSIMANN, 2019. A conserved regulatory program initiates lateral plate mesoderm emergence across chordates. In: Nature Communications. Nature Publishing Group. 2019, 10, 3857. eISSN 2041-1723. Available under: doi: 10.1038/s41467-019-11561-7
BibTex
@article{Prummel2019conse-56534,
  year={2019},
  doi={10.1038/s41467-019-11561-7},
  title={A conserved regulatory program initiates lateral plate mesoderm emergence across chordates},
  volume={10},
  journal={Nature Communications},
  author={Prummel, Karin D. and Hess, Christopher and Nieuwenhuize, Susan and Parker, Hugo J. and Rogers, Katherine W. and Kozmikova, Iryna and Racioppi, Claudia and Brombacher, Eline C. and Müller, Patrick and Mosimann, Christian},
  note={Article Number: 3857}
}
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