A5056109967- Marine Biology and Environmental Chemistry
- Marine Biology and Ecology Research
- Paleontology and Stratigraphy of Fossils
- Marine and coastal plant biology
- Echinoderm biology and ecology
- Geological and Geophysical Studies
- Marine Bivalve and Aquaculture Studies
- Aquaculture Nutrition and Growth
- Marine and fisheries research
- Coral and Marine Ecosystems Studies
- Protein Hydrolysis and Bioactive Peptides
- Animal Genetics and Reproduction
California Academy of Sciences
2018-2022
Vanderbilt University
2022
University of California, Davis
2015-2018
Williams (United States)
2012-2015
William & Mary
2012-2015
Echinoids are key components of modern marine ecosystems. Despite a remarkable fossil record, the emergence their crown group is documented by few specimens unclear affinities, rendering early history uncertain. The origin sand dollars, one its most distinctive clades, also due to an unstable phylogenetic context. We employ 18 novel genomes and transcriptomes build phylogenomic dataset with near-complete sampling major lineages. With it, we revise phylogeny divergence times echinoids, place...
Hatching plasticity occurs in response to a wide range of stimuli across many animal taxa, including annelids, arthropods, mollusks, and chordates. Despite the prominence echinoderms developmental biology more than 100 years detailed examination their development under variety conditions, environmentally cued hatching has never been reported phylum Echinodermata. Here we report timing stage embryos sand dollar Echinarachnius parma reductions salinity. Embryos E. increased time twofold...
Polyembryony, or the production of multiple offspring from a single zygote, is widespread phenomenon in animal kingdom. Various types polyembryony have been described arthropods, bryozoans, chordates, cnidarians, echinoderms, and platyhelminthes. We describe induction embryos sand dollar Echinarachnius parma pencil urchin Eucidaris tribuloides response to elevated temperature reduced salinity. Data on environmental variation salinity that normally occurs during spawning season, combined with...
SUMMARY Life history characteristics play a pervasive role in the ecology and evolution of species. Transitions between feeding non‐feeding larval development have occurred many times both terrestrial marine phyla, however we lack comprehensive understanding how such shifts occur. The sea biscuits Clypeaster rosaceus subdepressus employ different life strategies (facultatively larvae obligately larvae, respectively) but can hybridize. In this study, examined hybrid these two species order to...
Larval developmental patterns are extremely varied both between and within phyla, however the genetic mechanisms leading to this diversification poorly understood. We assembled compared transcriptomes for two sea biscuit species (Echinodermata: Echinoidea) with differing of larval development, provide a resource investigating evolution alternate life cycles. One (Clypeaster subdepressus) develops via an obligately feeding larva which metamorphoses 3-4 weeks after fertilization; other...
Abstract Echinoids are key components of modern marine ecosystems. Despite a remarkable fossil record, the emergence their crown group is documented by few specimens unclear affinities, rendering much early history uncertain. The origin sand dollars, one its most distinctive clades, also due to an unstable phylogenetic context and discrepancies between molecular divergence times evidence. We employ seventeen novel genomes transcriptomes build phylogenomic dataset with near-complete sampling...