125 results found
    1. Evolutionary Biology

    Support for a clade of Placozoa and Cnidaria in genes with minimal compositional bias

    Christopher E Laumer, Harald Gruber-Vodicka ... Gonzalo Giribet
    Protein coding genes strongly support a sister group relationship between Placozoa and Cnidaria to the exclusion of Bilateria, contradicting previous phylogenies, which have likely been misled by pervasive compositional heterogeneity.
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    1. Developmental Biology
    2. Evolutionary Biology

    Cnidarian hair cell development illuminates an ancient role for the class IV POU transcription factor in defining mechanoreceptor identity

    Ethan Ozment, Arianna N Tamvacakis ... Nagayasu Nakanishi
    Developmental genetics of sea anemone mechanosensory neurons provides insights into the deep evolutionary history of mechanoreceptor development in animals.
    1. Evolutionary Biology

    Muscle systems and motility of early animals highlighted by cnidarians from the basal Cambrian

    Xing Wang, Jean Vannier ... Jian Han
    Exceptionally preserved small shelly fossils (SSFs) from the early Cambrian Kuanchuanpu Formation (535 million years ago) reveal the muscular system of ancient cnidarians.
    1. Evolutionary Biology

    Functional characterization of a ‘plant-like’ HYL1 homolog in the cnidarian Nematostella vectensis indicates a conserved involvement in microRNA biogenesis

    Abhinandan M Tripathi, Yael Admoni ... Yehu Moran
    Presence of a functional homolog of HYL1 in Nematostella vectensis, a basal animal model, indicates divergent evolution of miRNA biogenesis pathway in plants and animals from an ancestral miRNA system.
    1. Ecology
    2. Microbiology and Infectious Disease

    A diverse host thrombospondin-type-1 repeat protein repertoire promotes symbiont colonization during establishment of cnidarian-dinoflagellate symbiosis

    Emilie-Fleur Neubauer, Angela Z Poole ... Virginia M Weis
    The colonization of corals and their relatives by intracellular microalgae is facilitated by immunity proteins in the animal that contain thrombospondin-type-1 repeats, elucidating the inter-partner recognition processes required for the establishment of this ecologically important symbiosis.
    1. Stem Cells and Regenerative Medicine

    Distinct mechanisms underlie oral vs aboral regeneration in the cnidarian Hydractinia echinata

    Brian Bradshaw, Kerry Thompson, Uri Frank
    Stem cell migration underlies head regeneration in the cnidarian (jellies and their kin) Hydractinia, but the regeneration of other body parts is based on the gradual transformation of one tissue type into another.
    1. Ecology
    2. Evolutionary Biology

    Comparative genomics explains the evolutionary success of reef-forming corals

    Debashish Bhattacharya, Shobhit Agrawal ... Paul G Falkowski
    The analysis of 20 coral genomic datasets provides unprecedented insights into what makes reef-building corals unique, including the evolution of novel gene families involved in biomineralization, signaling and stress responses that have led to their evolutionary success throughout the Phanerozoic Eon.
    1. Developmental Biology
    2. Neuroscience

    A cellular and molecular analysis of SoxB-driven neurogenesis in a cnidarian

    Eleni Chrysostomou, Hakima Flici ... Uri Frank
    SoxB genes are sequentially expressed in cnidarian neurogenesis.
    1. Ecology
    2. Evolutionary Biology

    Sensory conflict disrupts circadian rhythms in the sea anemone Nematostella vectensis

    Cory A Berger, Ann M Tarrant
    Misalignment between light and temperature cycles leads to disrupted circadian behavior and a substantially altered rhythmic transcriptome.
    1. Developmental Biology
    2. Evolutionary Biology

    CRISPR knockouts reveal an endogenous role for ancient neuropeptides in regulating developmental timing in a sea anemone

    Nagayasu Nakanishi, Mark Q Martindale
    Analysis of the endogenous function of deeply conserved neuropeptides in sea anemones sheds light on a primitive role of nervous systems in modulating developmental timing.

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