Injury-induced asymmetric cell death as a driving force for head regeneration in Hydra

B Galliot - Development genes and evolution, 2013 - Springer
The freshwater Hydra polyp provides a unique model system to decipher the mechanisms
underlying adult regeneration. Indeed, a single cut initiates two distinct regenerative …

Apoptotic cells provide an unexpected source of Wnt3 signaling to drive hydra head regeneration

S Chera, L Ghila, K Dobretz, Y Wenger, C Bauer… - Developmental cell, 2009 - cell.com
Decapitated Hydra regenerate their heads via morphallaxis, ie, without significant
contributions made by cell proliferation or interstitial stem cells. Indeed, Hydra depleted of …

Injury‐induced activation of the MAPK/CREB pathway triggers apoptosis‐induced compensatory proliferation in hydra head regeneration

S Chera, L Ghila, Y Wenger… - Development, growth & …, 2011 - Wiley Online Library
After bisection, Hydra polyps regenerate their head from the lower half thanks to a head‐
organizer activity that is rapidly established at the tip. Head regeneration is also highly …

Cell plasticity in homeostasis and regeneration

B Galliot, L Ghila - Molecular reproduction and development, 2010 - Wiley Online Library
Over the past decades, genetic analyses performed in vertebrate and invertebrate
organisms deciphered numerous cellular and molecular mechanisms deployed during …

The Hydra model: disclosing an apoptosis-driven generator of Wnt-based regeneration

B Galliot, S Chera - Trends in cell biology, 2010 - cell.com
The Hydra model system is well suited for the eludication of the mechanisms underlying
regeneration in the adult, and an understanding of the core mechanisms is likely to cast light …

[PDF][PDF] Regeneration in hydra

B Galliot - eLS. John Wiley & Sons, Ltd, Chichester, UK, 2013 - academia.edu
Hydra freswater polyps have a remarkable ability to regenerate after bisection or even after
dissociation, and thus offer a unique model system to investigate the cellular and molecular …

[HTML][HTML] β-Catenin acts in a position-independent regeneration response in the simple eumetazoan Hydra

S Gufler, B Artes, H Bielen, I Krainer, MK Eder… - Developmental …, 2018 - Elsevier
Wnt/β-Catenin signaling plays crucial roles in regenerative processes in eumetazoans. It
also acts in regeneration and axial patterning in the simple freshwater polyp Hydra, whose …

Cellular, metabolic, and developmental dimensions of whole-body regeneration in Hydra

MC Vogg, W Buzgariu… - Cold Spring Harbor …, 2021 - cshperspectives.cshlp.org
Here we discuss the developmental and homeostatic conditions necessary for Hydra
regeneration. Hydra is characterized by populations of adult stem cells paused in the G2 …

Injury-induced MAPK activation triggers body axis formation in Hydra by default Wnt signaling

A Tursch, N Bartsch, M Mercker… - Proceedings of the …, 2022 - National Acad Sciences
Hydra's almost unlimited regenerative potential is based on Wnt signaling, but so far it is
unknown how the injury stimulus is transmitted to discrete patterning fates in head and foot …

[HTML][HTML] Multiple Wnts are involved in Hydra organizer formation and regeneration

T Lengfeld, H Watanabe, O Simakov, D Lindgens… - Developmental …, 2009 - Elsevier
Wnt genes and β-Catenin signaling are involved in axial patterning processes in vertebrate
embryogenesis in setting up the Spemann–Mangold organizer in amphibian embryos. An …