Search Results - "Hamlin, Heather J"

Elevated nitrate alters the metabolic activity of embryonic zebrafish by Conlin, Sarah M., Tudor, M. Scarlett, Shim, Juyoung, Gosse, Julie A., Neilson, Andrew, Hamlin, Heather J.

“…Nitrate accumulation in aquatic reservoirs from agricultural pollution has often been overlooked as a water quality hazard, yet a growing body of literature…”
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Embryos as targets of endocrine disrupting contaminants in wildlife by Hamlin, Heather J., Guillette Jr, Louis J.

“…Environmental contaminants are now a ubiquitous part of the ecological landscape, and a growing literature describes the ability of many of these chemicals to…”
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The reproductive hormone cycle of adult female American alligators from a barrier island population by Hamlin, Heather J, Lowers, Russell H, Kohno, Satomi, Mitsui-Watanabe, Naoko, Amano, Haruna, Hara, Akihiko, Ohta, Yasuhiko, Miyagawa, Shinichi, Iguchi, Taisen, Guillette, Louis J

“…Comparatively, little data are available detailing the geographic variation that exists in the reproductive endocrinology of adult alligators, especially those…”
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Endocrine activity of extraembryonic membranes extends beyond placental amniotes by Albergotti, Lori C, Hamlin, Heather J, McCoy, Michael W, Guillette, Jr, Louis J

“…During development, all amniotes (mammals, reptiles, and birds) form extraembryonic membranes, which regulate gas and water exchange, remove metabolic wastes,…”
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Ecologically relevant arsenic exposure alters female mate preference and anxiety-like behavior in Betta splendens by Tudor, M. Scarlett, Lopez-Anido, Rebecca N., Yocius, Charly A., Conlin, Sarah M., Hamlin, Heather J.

“…Arsenic is a metalloid pollutant that is commonly found in surface and groundwater worldwide. Toxicological effects of arsenic are relatively well-known, but…”
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Gene–environment interactions: The potential role of contaminants in somatic growth and the development of the reproductive system of the American alligator by Moore, Brandon C., Roark, Alison M., Kohno, Satomi, Hamlin, Heather J., Guillette, Louis J.

“…► Alligators from polluted Lake Apopka, FL grew faster during the first five months after hatching. ► 5-month-old alligator ovaries displayed decreased mRNA…”
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Integrative and comparative reproductive biology: from alligators to xenobiotics by McCoy, Krista A, Roark, Alison M, Boggs, Ashley S.P, Bowden, John A, Cruze, Lori, Edwards, Thea M, Hamlin, Heather J, Cantu, Theresa M, McCoy, Jessica A, McNabb, Nicole A, Wenzel, Abby G, Williams, Cameron E, Kohno, Satomi

“…Highlights • Scientific legacy of Louis J. Guillette Jr., 1955-2015. • Evolution and development of reproductive endocrine function. • Characterization of…”
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Migration of nonylphenol from food-grade plastic is toxic to the coral reef fish species Pseudochromis fridmani by Hamlin, Heather J., Marciano, Kathleen, Downs, Craig A.

“…•Nonylphenol (NP) migrates from FDA food-grade polyethylene bags to contained seawater.•Seawater levels of NP from the bags in one treatment were similar to…”
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Seasonal variation in plasma thyroid hormone concentrations in coastal versus inland populations of juvenile American alligators ( Alligator mississippiensis ): Influence of plasma iodide concentrations by Boggs, Ashley S.P, Hamlin, Heather J, Lowers, Russell H, Guillette, Louis J

“…Abstract Thyroid hormones, essential for normal growth and health, are associated with changes in temperature, photoperiod, and reproduction. Iodide, a…”
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Posthatching development of Alligator mississippiensis ovary and testis by Moore, Brandon C., Hamlin, Heather J., Botteri, Nicole L., Lawler, Ashley N., Mathavan, Ketan K., Guillette Jr, Louis J.

“…We investigated ovary and testis development of Alligator mississippiensis during the first 5 months posthatch. To better describe follicle assembly and…”
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Reproductive endocrinology of environmental nitrate by Edwards, Thea M., Hamlin, Heather J.

“…[Display omitted] •Exogenous nitrate contributes to endogenous production of nitrite and nitric oxide.•Nitrate, nitrite, and nitric oxide can both stimulate…”
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Coping with stress in a warming Gulf: the postlarval American lobster’s cellular stress response under future warming scenarios by Lopez-Anido, Rebecca N., Harrington, Amalia M., Hamlin, Heather J.

“…The Gulf of the Maine (GoM) is one of the fastest warming bodies of water in the world, posing serious physiological challenges to its marine inhabitants…”
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Ocean acidification alters thermal cardiac performance, hemocyte abundance, and hemolymph chemistry in subadult American lobsters Homarus americanus H. Milne Edwards, 1837 (Decapoda: Malcostraca: Nephropidae) by Harrington, Amalia M, Hamlin, Heather J

“…ABSTRACT Increased anthropogenic input of carbon dioxide into the atmosphere has caused widespread patterns of ocean acidification (OA) and increased the…”
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Larval salmon lice Lepeophtheirus salmonis exhibit behavioral responses to conspecific pre-adult and adult cues by Morefield, Robert D, Hamlin, Heather J

“…In the larval stage of the parasitic copepod Lepeophtheirus salmonis, the free-living copepodid must locate and settle on a salmonid host. Chemosensory…”
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Altered sex hormone concentrations and gonadal mRNA expression levels of activin signaling factors in hatchling alligators from a contaminated Florida lake by Moore, Brandon C., Kohno, Satomi, Cook, Robert W., Alvers, Ashley L., Hamlin, Heather J., Woodruff, Teresa K., Guillette, Louis J.

“…Activins and estrogens participate in regulating the breakdown of ovarian germ cell nests and follicle assembly in mammals. In 1994, our group reported…”
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Associations between testosterone and immune activity in alligators depend on bacteria species and temperature by LaVere, Ashley A., Hamlin, Heather J., Lowers, Russell H., Parrott, Benjamin B., Ezenwa, Vanessa O., Hopkins, William

“…The immunocompetence handicap hypothesis (ICHH) postulates that testosterone supports the development of secondary sexual traits while simultaneously…”
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Expected ocean warming conditions significantly alter the transcriptome of developing postlarval American lobsters (Homarus americanus): Implications for energetic trade-offs by Harrington, Amalia M., Clark, K. Fraser, Hamlin, Heather J.

“…The American lobster (Homarus americanus) is one of the most iconic and economically valuable fishery species in the Northwestern Atlantic. Surface ocean…”
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The synergistic effects of elevated temperature and CO2-induced ocean acidification reduce cardiac performance and increase disease susceptibility in subadult, female American lobsters Homarus americanus H. Milne Edwards, 1837 (Decapoda: Astacidea: Nephropidae) from the Gulf of Maine by Harrington, Amalia M, Harrington, Robert J, Bouchard, Deborah A, Hamlin, Heather J

“…Abstract Increased greenhouse gas emissions have caused rapid ocean warming (OW) and reduced ocean pH via acidification (OA). Both OW and OA will likely impact…”
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Sound, stress, and seahorses: The consequences of a noisy environment to animal health by Anderson, Paul A., Berzins, Ilze K., Fogarty, Frank, Hamlin, Heather J., Guillette, Louis J.

“…We examined stress responses to chronic noise exposure in a popular aquarium fish, the lined seahorse (Hippocampus erectus). Thirty-two animals were housed…”
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Effects of elevated nitrate on endocrine function in Atlantic salmon, Salmo salar by Freitag, Alyssa R., Thayer, LeeAnne R., Leonetti, Christopher, Stapleton, Heather M., Hamlin, Heather J.

“…Recirculating aquaculture systems (RAS) have recently emerged as a sustainable alternative to traditional net pen or flow-through aquaculture. These systems…”
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