Premetazoan Origin of the Hippo Signaling Pathway

Arnau Sebe-Pedrs, Yonggang Zheng, Iñaki Ruiz-Trillo, Duojia Pan

Research output: Contribution to journalArticle

57 Citations (Scopus)

Abstract

Nonaggregative multicellularity requires strict control of cell number. The Hippo signaling pathway coordinates cell proliferation and apoptosis and is a central regulator of organ size in animals. Recent studies have shown the presence of key members of the Hippo pathway in nonbilaterian animals, but failed to identify this pathway outside Metazoa. Through comparative analyses of recently sequenced holozoan genomes, we show that Hippo pathway components, such as the kinases Hippo and Warts, the coactivator Yorkie, and the transcription factor Scalloped, were already present in the unicellular ancestors of animals. Remarkably, functional analysis of Hippo components of the amoeboid holozoan Capsaspora owczarzaki, performed in Drosophila melanogaster, demonstrate that the growth-regulatory activity of the Hippo pathway is conserved in this unicellular lineage. Our findings show that the Hippo pathway evolved well before the origin of Metazoa and highlight the importance of Hippo signaling as a key developmental mechanism predating the origin of Metazoa.

Original languageEnglish (US)
Pages (from-to)13-20
Number of pages8
JournalCell Reports
Volume1
Issue number1
DOIs
StatePublished - Jan 26 2012

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Animals
Functional analysis
Cell proliferation
Transcription Factors
Phosphotransferases
Genes
Apoptosis
Warts
Organ Size
Drosophila melanogaster
Cell Count
Cell Proliferation
Genome
Growth

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)

Cite this

Premetazoan Origin of the Hippo Signaling Pathway. / Sebe-Pedrs, Arnau; Zheng, Yonggang; Ruiz-Trillo, Iñaki; Pan, Duojia.

In: Cell Reports, Vol. 1, No. 1, 26.01.2012, p. 13-20.

Research output: Contribution to journalArticle

Sebe-Pedrs, A, Zheng, Y, Ruiz-Trillo, I & Pan, D 2012, 'Premetazoan Origin of the Hippo Signaling Pathway', Cell Reports, vol. 1, no. 1, pp. 13-20. https://doi.org/10.1016/j.celrep.2011.11.004
Sebe-Pedrs, Arnau ; Zheng, Yonggang ; Ruiz-Trillo, Iñaki ; Pan, Duojia. / Premetazoan Origin of the Hippo Signaling Pathway. In: Cell Reports. 2012 ; Vol. 1, No. 1. pp. 13-20.
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