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Full-Text Articles in Laboratory and Basic Science Research
Brief Embryonic Strychnine Exposure In Zebrafish Causes Long-Term Adult Behavioral Impairment With Indications Of Embyronic Synaptic Changes, Nicole M. Roy, Brianna Arpie, Joseph Lugo, Elwood Linney, Edward D. Levin, Daniel Cerutti
Brief Embryonic Strychnine Exposure In Zebrafish Causes Long-Term Adult Behavioral Impairment With Indications Of Embyronic Synaptic Changes, Nicole M. Roy, Brianna Arpie, Joseph Lugo, Elwood Linney, Edward D. Levin, Daniel Cerutti
Biology Faculty Publications
Zebrafish provide a powerful model of the impacts of embryonic toxicant exposure on neural development that may result in long-term behavioral dysfunction. In this study, zebrafish embryos were treated with 1.5mM strychnine for short embryonic time windows to induce transient changes in inhibitory neural signaling, and were subsequently raised in untreated water until adulthood. PCR analysis showed indications that strychnine exposure altered expression of some genes related to glycinergic, GABAergic and glutamatergic neuronal synapses during embryonic development. In adulthood, treated fish showed significant changes in swimming speed and tank diving behavior compared to controls. Taken together, these data show that …
A Switch From Polyandry To Serial Monogamy: Results From A Three Year Tagging Study Of Horseshoe Crabs In Long Island Sound, Jennifer Mattei Ph.D., Paul Goodell, Christine Depierro, Meghann Burke
A Switch From Polyandry To Serial Monogamy: Results From A Three Year Tagging Study Of Horseshoe Crabs In Long Island Sound, Jennifer Mattei Ph.D., Paul Goodell, Christine Depierro, Meghann Burke
Biology Faculty Publications
Part of an ongoing population study of the North American Horseshoe Crab, Limulus polyphemus, in Long Island Sound was completed during the 2003 – 2005 spawning seasons at Milford Point, in Milford, CT. Horseshoe crabs range more widely throughout Long Island Sound than expected and exhibit weak site fidelity. Animals originally tagged in Milford were found as far west as Stamford and as far east as Clinton, CT. during the 3 year study. Out of 522 female horseshoe crabs tagged in 2004 only 4 came back to spawn again at Milford Pt. in 2005. The sex ratios of tagged and …