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Generation of Transgenic Hydra by Embryo Microinjection

Generation of Transgenic Hydra by Embryo Microinjection

Published on: September 11, 2014

Detection of expression patterns in Hydra pattern formation.

Hans Bode¹, Tobias Lengfeld, Bert Hobmayer

¹Department of Developmental and Cell Biology, Developmental Biology Center, University of California, Irvine, CA, USA.

Methods in Molecular Biology (Clifton, N.J.)

|December 26, 2008

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Cnidarians, like Hydra, possess remarkable regeneration abilities. Researchers are investigating conserved Wnt and BMP signaling pathways, crucial for pattern formation and regeneration in these ancient animals.

Area of Science:

Developmental biology
Evolutionary biology
Regenerative medicine

Background:

Cnidarians, such as Hydra, are basal metazoans with simple body plans and primitive nervous systems.
They exhibit remarkable regenerative capacities, making them valuable models for studying tissue repair and development.
Genomic studies reveal the presence of conserved signaling pathways, including Wnt and BMP, in cnidarians, suggesting ancient roles in development.

Purpose of the Study:

To investigate the role of Wnt and BMP signaling pathways in Hydra pattern formation and regeneration.
To present a detailed in situ hybridization protocol for characterizing developmental genes in Hydra.
To explore the evolutionary conservation of signaling pathways between cnidarians and vertebrates.

Main Methods:

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Generation and Long-term Maintenance of Nerve-free Hydra

Generation and Long-term Maintenance of Nerve-free Hydra

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Last Updated: Jun 26, 2026

Generation of Transgenic Hydra by Embryo Microinjection

Generation of Transgenic Hydra by Embryo Microinjection

Published on: September 11, 2014

Generation and Long-term Maintenance of Nerve-free Hydra

Generation and Long-term Maintenance of Nerve-free Hydra

Published on: July 7, 2017

In situ hybridization protocol adapted from the Bode lab.
Analysis of gene expression patterns during Hydra development and regeneration.
Comparative genomics to identify conserved signaling pathway components.

Main Results:

Identification of numerous Wnt subfamilies and antagonists in Hydra, similar to vertebrates.
Demonstration of Wnt and BMP signaling involvement in Hydra pattern formation and regeneration.
Establishment of a robust in situ hybridization protocol for studying developmental genes in Hydra.

Conclusions:

Conserved signaling pathways like Wnt and BMP play fundamental roles in the regeneration and pattern formation of the simple cnidarian Hydra.
The presence of these pathways highlights their ancient evolutionary origins and conserved functions across diverse animal lineages.
The presented in situ hybridization protocol is a valuable tool for future research into cnidarian developmental genetics.