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The dynamic genome of Hydra
TLDR
Comparisons of the Hydra genome to the genomes of other animals shed light on the evolution of epithelia, contractile tissues, developmentally regulated transcription factors, the Spemann–Mangold organizer, pluripotency genes and the neuromuscular junction.
Universal occurrence of the vasa-related genes among metazoans and their germline expression in Hydra
TLDR
The results suggest that the vas-related genes occur universally among metazoans and that their expression in germline cells was established at least before cnidarian evolution.
Expression and evolutionary conservation of nanos-related genes in Hydra
TLDR
The function of nanos-related genes in the germline appears to be well conserved from primitive to highly evolved metazoans.
A cnidarian neuropeptide of the GLWamide family induces metamorphosis of reef-building corals in the genus Acropora
TLDR
It is reported that one member of the GLWamide peptide family, Hym-248, can induce metamorphosis of planula larvae in the genus Acropora, and this peptide could be applied to produce "coral seedlings" with the aim of reef restoration.
Cnidarians and the evolutionary origin of the nervous system
TLDR
In the present review, the anatomical and physiological features of the cnidarian nervous system and the interesting parallels in neurodevelopmental mechanisms between Cnidaria and Bilateria are discussed.
Systematic isolation of peptide signal molecules regulating development in hydra: LWamide and PW families.
TLDR
The evidence obtained so far suggests that hydra contains a large number of peptide signal molecules involved in regulating developmental or other processes in cnidaria, which can be isolated and their functions examined systematically with the new approach developed in this study.
The novel signal peptides, pedibin and Hym-346, lower positional value thereby enhancing foot formation in hydra.
TLDR
The results suggest that peptides play signaling roles in patterning processes in cnidaria and, plausibly, in more complex metazoans as well.
Sequential actions of β-catenin and Bmp pattern the oral nerve net in Nematostella vectensis
TLDR
It is hypothesize that the consecutive and functionally linked involvement of β-catenin and Bmp signalling in the formation of the cnidarian oral nervous system reflects an ancestral mechanism that evolved before the cNidarian/bilaterian split.
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