Elizabeth O’Brien

ORCID: 0000-0003-1370-3779
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About
Contact & Profiles
Research Areas
  • Marine Bivalve and Aquaculture Studies
  • Marine Biology and Environmental Chemistry
  • Developmental Biology and Gene Regulation
  • Marine Invertebrate Physiology and Ecology
  • Aquaculture Nutrition and Growth
  • Healthcare Policy and Management
  • Parasite Biology and Host Interactions
  • Neurobiology and Insect Physiology Research
  • Environmental Toxicology and Ecotoxicology
  • Cephalopods and Marine Biology
  • Aquatic Ecosystems and Phytoplankton Dynamics
  • Machine Learning in Bioinformatics
  • Soybean genetics and cultivation
  • Protein Hydrolysis and Bioactive Peptides
  • Ocean Acidification Effects and Responses
  • Coastal wetland ecosystem dynamics
  • Plant responses to water stress
  • Genetically Modified Organisms Research
  • Genetics, Aging, and Longevity in Model Organisms
  • Marine Ecology and Invasive Species
  • Insect and Arachnid Ecology and Behavior
  • Nutrition, Genetics, and Disease
  • BRCA gene mutations in cancer
  • Aquatic Invertebrate Ecology and Behavior
  • Aquaculture disease management and microbiota

Villanova University
2020

Ollscoil na Gaillimhe – University of Galway
2020

Skretting (Norway)
2014

The University of Queensland
1989-2006

University of Utah
1988-1995

Summary We report the spatial expression patterns of five anterior Hox genes during larval development gastropod mollusc Haliotis asinina , an unsegmented spiralian lophotrochozoan. Molecular alignments and phylogenetic analysis indicate that these are homologues Drosophila HOM‐C labial proboscipedia zen Deformed Sex combs reduced ; abalone named Has‐Hox1 ‐Hox2 ‐Hox3 ‐Hox4 ‐Hox5 . Has‐Hox transcripts first detected in free‐swimming trochophore stage restricted to posttrochal ectoderm....

10.1046/j.1525-142x.2003.03056.x article EN Evolution & Development 2003-08-29

Abstract Climate change alters freshwater availability in many ecosystems leading to shifts distributions for plants. Despite living exclusively intertidal, saline environments, mangroves rely on non‐saline water maintain plant productivity. However, several mangrove species persist arid environments where from rain and groundwater sources are limited. Under these conditions, foliar uptake fog mist may be an important acquisition strategy. We conducted a field experiment Baja California Sur,...

10.1111/1365-2745.13398 article EN Journal of Ecology 2020-04-09

Apis mellifera (Linnaeus), the Western European honey bee, is considered extinct in wild over most of its range due largely to hybridisation and replacement by other subspecies, parasitism Varroa destructor, habitat loss, effects from agricultural pesticides. The purity subspecies within managed cohort also at risk much range. Here, we investigated if bee colonies inhabited locations outside apiaries. In those located, explored how long colony persisted genotypes bees using multiple markers....

10.1080/00218839.2020.1837530 article EN Journal of Apicultural Research 2020-11-03

Most animals have sensory systems that allow them to balance and orient relative the pull of gravity. Structures responsible for these functions range from very simple statocysts found in many aquatic invertebrates complex inner ear mammals. Previous studies suggest specialized mechanosensory structures vertebrates insects may be homologous based on requirement expression group II Pax genes (i.e., Pax-2/5/8 genes). Here we report a Pax-258 gene other chemosensory cells during development...

10.1046/j.1525-142x.2003.03062.x article EN Evolution & Development 2003-11-01

Abstract Pedigree data are analyzed in order to determine the factors responsible for high frequencies of certain genetic disorders an isolated Swedish‐speaking population Finland's Å land archipelago. The founders Sottunga identified, and contributions each founder descending birth cohorts estimated. Founders born before 1700 have far more descendants contemporary gene pool than do recent founders. However, because migration depopulation since 1900, expected early present‐day similar those...

10.1002/ajpa.1330770306 article EN American Journal of Physical Anthropology 1988-11-01

Sea ranching of the saucer scallop Amusium balloti Bernardi, 1861 has recently been developed to compensate for dramatic fluctuations in catch that naturally occur between seasons. Marking or tagging methodology is needed this industry evaluate effectiveness reseeding and optimize spat deployment strategies. We tested quality longevity fluorescent marks incorporated into newly forming shell 2–4 mm immersed chemical solutions. Three chemicals, alizarin red S (ARS), calcein, oxytetracycline...

10.2983/0730-8000-27.5.1183 article EN Journal of Shellfish Research 2008-12-01

Infection of molluscs by digenean trematode parasites typically results in the repression reproduction – so‐called parasitic castration. This is known to occur altering expression a range host neuropeptide genes. Here we analyse levels 10 members POU , Pax Sox and Hox transcription factor gene families, along with genes encoding FMRFamide, prohormone convertase β‐tubulin, brain ganglia actively reproducing (summer), non‐reproducing (winter) infected Haliotis asinina (a vetigastropod...

10.1016/j.febslet.2006.05.068 article EN FEBS Letters 2006-06-09

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10.1017/s0004972700027891 article EN Bulletin of the Australian Mathematical Society 1989-02-01
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