The hydrozoan species Clytia hemisphaerica was selected in the mid-2000s to address the
cellular and molecular basis of body axis specification in a cnidarian, providing a reliable …

In nearly all animals, light‐sensing mediated by opsin visual pigments is important for
survival and reproduction. Eyeless light‐sensing systems, though vital for many animals …

The epithelial and interstitial stem cells of the freshwater polyp Hydra are the best
characterized stem cell systems in any cnidarian, providing valuable insight into cell type …

Understanding gene evolution across genomes and organisms, including ctenophores, can
provide unexpected biological insights. It enables powerful integrative approaches that …

Communication in bilaterian nervous systems is mediated by electrical and secreted signals,
however, the evolutionary origin and relation of neurons to other secretory cell types has not …

This volume explores emerging approaches and methods inspired by recent research using
ctenophores or placozoans, facilitating the study of these enigmatic species and ancient …

ShK from Stichodactyla helianthus has established the therapeutic potential of sea anemone
venom peptides, but many lineage-specific toxin families in actinarians remain …

The transition to multicellularity is widely considered a crucial evolutionary process, yet the
precise mechanisms are still being uncovered. Advancements in bioinformatic techniques …