Molecular Signatures of the Three Stem Cell Lineages in Hydra and the Emergence of Stem Cell Function at the Base of Multicellularity | Zendy

Georg Hemmrich | Zendy; Konstantin Khalturin | Zendy; AnnaMarei Boehm | Zendy; Malte Puchert | Zendy; Friederike AntonErxleben | Zendy; Jörg Wittlieb | Zendy; Ulrich C. Klostermeier | Zendy; Philip Rosenstiel | Zendy; HansHeinrich Oberg | Zendy; Tomislav DomazetLošo | Zendy; Toshimi Sugimoto | Zendy; Hitoshi Niwa | Zendy; Thomas C. G. Bosch | Zendy

Open Access

Molecular Signatures of the Three Stem Cell Lineages in Hydra and the Emergence of Stem Cell Function at the Base of Multicellularity

Author(s) -

Georg Hemmrich,

Konstantin Khalturin,

AnnaMarei Boehm,

Malte Puchert,

Friederike AntonErxleben,

Jörg Wittlieb,

Ulrich C. Klostermeier,

Philip Rosenstiel,

HansHeinrich Oberg,

Tomislav DomazetLošo,

Toshimi Sugimoto,

Hitoshi Niwa,

Thomas C. G. Bosch

Publication year - 2012

Publication title -

molecular biology and evolution

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 6.637

H-Index - 218

eISSN - 1537-1719

pISSN - 0737-4038

DOI - 10.1093/molbev/mss134

Subject(s) - biology , stem cell , multicellular organism , stem cell marker , stem cell theory of aging , evolutionary biology , cellular differentiation , lernaean hydra , genetics , gene , adult stem cell , microbiology and biotechnology

How distinct stem cell populations originate and whether there is a clear stem cell "genetic signature" remain poorly understood. Understanding the evolution of stem cells requires molecular profiling of stem cells in an animal at a basal phylogenetic position. In this study, using transgenic Hydra polyps, we reveal for each of the three stem cell populations a specific signature set of transcriptions factors and of genes playing key roles in cell type-specific function and interlineage communication. Our data show that principal functions of stem cell genes, such as maintenance of stemness and control of stem cell self-renewal and differentiation, arose very early in metazoan evolution. They are corroborating the view that stem cell types shared common, multifunctional ancestors, which achieved complexity through a stepwise segregation of function in daughter cells.

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