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News Release
In a study published in the journal Science, collaborators at NHGRI, the National University of Ireland, Galway, and the Whitney Laboratory for Marine Bioscience at the University of Florida, Augustine, reported that activation of the gene Tfap2 in adult stem cells in Hydractinia can turn those cells into germ cells in a cycle that can repeat endlessly.
… Prabarna Ganguly, Ph.D. … NHGRI-supported research of Hydractinia  could provide clues to human reproductive conditions. … Description:  Although Hydractinia  is dissimilar to humans physiologically, its … behavior of genes in the feeding and sexual structures of Hydractinia . Piwi1-positive oocytes are shown in yellow; …
News Release
NIH researchers researchers and collaborators have gained some key insights into the biological inner-workings of regrowing a body, the evolution of aging and a unique method to dispose of aging cells, by studying the genomes of a hermit crab (Hydractinia symbiolongicarpus).
… from only its mouth. The researchers sequenced RNA from Hydractinia symbiolongicarpus , a small, tube-shaped animal … that lives on the shells of hermit crabs. Just as the Hydractinia were beginning to regenerate new bodies, the … According to the study published in Cell Reports , Hydractinia demonstrates that the fundamental biological …
Staff
Dr. Andy Baxevanis is a senior scientist leading NHGRI's Computational Genomics Unit.
… effort to sequence a cnidarian species called Hydractinia . What makes these simple organisms particularly … homologs are known to be involved in stem cell biology. Hydractinia is also colonial, with a complex allorecognition … insights into the evolution of chromatin compaction, with Hydractinia using a set of novel histones rather than …
Staff
Dr. Tyra Wolfsberg is the associate director of the Bioinformatics and Scientific Programming Core at the National Human Genome Research Institute.
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… efforts to use these methodologies in the context of the Hydractinia genome project. Her analysis of the Mnemiopsis … oldest animal relatives; she anticipates that the work on Hydractinia will have an impact on our understanding of …