Search Results - "Guillette, L."

Masculinization of Female Mosquitofish in Kraft Mill Effluent-Contaminated Fenholloway River Water Is Associated with Androgen Receptor Agonist Activity by Parks, L. G., Lambright, C. S., Orlando, E. F., Guillette, L. J., Ankley, G. T., Gray, L. E.

“…Female mosquitofish (Gambusia affinis holbrooki) downstream from Kraft paper mills in Florida display masculinization of the anal fin, an androgen-dependent…”
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Fast- and slow-exploring pigeons differ in how they use previously learned rules by Guillette, L.M., Baron, D.M., Sturdy, C.B., Spetch, M.L.

“…•Exploratory behaviour is related to performance on a line-orientation generalization.•Fast-explorers have steeper generalization gradients compared to…”
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Serum concentrations of various environmental contaminants and their relationship to sex steroid concentrations and phallus size in juvenile American alligators by Guillette, L.J. Jr, Brock, J.W, Rooney, A.A, Woodward, A.R

“…Recent studies have reported a number of abnormalities in the hatchling and juvenile alligators of Lake Apopka, FL (USA). These abnormalities include…”
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Synergistic Activation of Estrogen Receptor with Combinations of Environmental Chemicals by Arnold, Steven F., Klotz, Diane M., Collins, Bridgette M., Vonier, Peter M., Guillette, Louis J., McLachlan, John A.

“…Certain chemicals in the environment are estrogenic. The low potencies of these compounds, when studied singly, suggest that they may have little effect on…”
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Alterations in development of reproductive and endocrine systems of wildlife populations exposed to endocrine-disrupting contaminants by Guillette LJ, Gunderson, MP

“…Wildlife and human populations are affected by contaminants in natural settings. This problem has been a growing concern over the last decade with the…”
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Altered serum sex steroids and vitellogenin induction in walleye (Stizostedion vitreum) collected near a metropolitan sewage treatment plant by FOLMAR, L. C, DENSLOW, N. D, KROLL, K, ORLANDO, E. F, ENBLOM, J, MARCINO, J, METCALFE, C, GUILLETTE, L. J

“…Several recent in situ studies have reported that domestic and mixed domestic/industrial sewage effluents contain one or more natural or anthropogenic…”
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Developmental Abnormalities of the Gonad and Abnormal Sex Hormone Concentrations in Juvenile Alligators from Contaminated and Control Lakes in Florida by Guillette, Louis J., Gross, Timothy S., Masson, Greg R., Matter, John M., Percival, H. Franklin, Woodward, Allan R.

“…The reproductive development of alligators from a contaminated and a control lake in central Florida was examined. Lake Apopka is adjacent to an EPA Superfund…”
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Endocrine-Disrupting Effects of Cattle Feedlot Effluent on an Aquatic Sentinel Species, the Fathead Minnow by Orlando, Edward F., Kolok, Alan S., Binzcik, Gerry A., Gates, Jennifer L., Horton, Megan K., Lambright, Christy S., Gray, L. Earl, Soto, Ana M., Guillette, Louis J.

“…Over the last decade, research has examined the endocrine-disrupting action of various environmental pollutants, including hormones, pharmaceuticals, and…”
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Racial disparity in maternal and fetal-cord bisphenol A concentrations by Unal, E R, Lynn, T, Neidich, J, Salazar, D, Goetzl, L, Baatz, J E, Hulsey, T C, Van Dolah, R, Guillette, L J, Newman, R

“…Objective: To determine if racial disparities exist in maternal and fetal cord serum concentrations of bisphenol A (BPA). Study Design: A nested…”
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Effects of environmental antiandrogens on reproductive development in experimental animals by Gray, L. E., Ostby, J., Furr, J., Wolf, C. J., Lambright, C., Parks, L., Veeramachaneni, D. N., Wilson, V., Price, M., Hotchkiss, A., Orlando, E., Guillette, L.

“…Chemicals that act as androgen receptor (AR) agonists and antagonists or inhibit fetal steroidogenesis can induce reproductive malformations in humans and…”
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Vitellogenin Induction and Reduced Serum Testosterone Concentrations in Feral Male Carp (Cyprinus carpio) Captured near a Major Metropolitan Sewage Treatment Plant by Folmar, Leroy C., Denslow, Nancy D., Rao, Vijayasri, Chow, Marjorie, Crain, D. Andrew, Enblom, Jack, Marcino, Joseph, Guillette, Louis J.

“…Endocrine disrupting chemicals can potentially alter the reproductive physiology of fishes. To test this hypothesis, serum was collected from common carp…”
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Organization versus Activation: The Role of Endocrine-Disrupting Contaminants (EDCs) during Embryonic Development in Wildlife by Guillette, Louis J., Crain, D. Andrew, Rooney, Andrew A., Pickford, Daniel B.

“…Many environmental contaminants disrupt the vertebrate endocrine system. Although they may be no more sensitive to endocrine-disrupting contaminants (EDCs)…”
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Potential contributions of heat shock proteins to temperature-dependent sex determination in the American alligator by Kohno, S, Katsu, Y, Urushitani, H, Ohta, Y, Iguchi, T, Guillette, Jr, L J

“…Sex determination in the American alligator depends on the incubation temperature experienced during a thermo-sensitive period (TSP), although sex…”
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Alterations in Steroidogenesis in Alligators (Alligator mississippiensis) Exposed Naturally and Experimentally to Environmental Contaminants by Crain, D. Andrew, Guillette, Louis J., Rooney, Andrew A., Pickford, Daniel B.

“…Many environmental contaminants alter the reproduction of animals by altering the development and function of the endocrine system. The ability of…”
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Male Reproductive Health and Environmental Xenoestrogens by Toppari, Jorma, John Chr. Larsen, Christiansen, Peter, Giwercman, Aleksander, Grandjean, Philippe, Guillette, Louis J., Jégou, Bernard, Jensen, Tina K., Jouannet, Pierre, Keiding, Niels, Leffers, Henrik, McLachlan, John A., Meyer, Otto, Müller, Jørn, Meyts, Ewa Rajpert-De, Scheike, Thomas, Sharpe, Richard, Sumpter, John, Skakkebæk, Niels E.

“…Male reproductive health has deteriorated in many countries during the last few decades. In the 1990s, declining semen quality has been reported from Belgium,…”
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Up-regulation of the alligator CYP3A77 gene by toxaphene and dexamethasone and its short term effect on plasma testosterone concentrations by Gunderson, M.P., Kohno, S., Blumberg, B., Iguchi, T., Guillette, L.J.

“…In this study we describe an alligator hepatic CYP3A gene, CYP3A77, which is inducible by dexamethasone and toxaphene. CYP3A plays a broad role in…”
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From reptilian phylogenomics to reptilian genomes: analyses of c-Jun and DJ-1 proto-oncogenes by Katsu, Y, Braun, E L, Guillette, Jr, L J, Iguchi, T

“…Genome projects have revolutionized our understanding of both molecular biology and evolution, but there has been a limited collection of genomic data from…”
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Reptiles as models of contaminant-induced endocrine disruption by Crain, D.A., Guillette, L.J.

“…Historically, reptiles have been used as bioindicators of environmental contaminants and, currently, reptiles have the potential to elucidate the mechanisms of…”
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Is Nitrate an Ecologically Relevant Endocrine Disruptor in Vertebrates? by Guillette, Louis J., Edwards, Thea M.

“…The last three decades have brought clear recognition that many populations of animals are experiencing severe declines or local and global extinctions. Many…”
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Phase I and II liver enzyme activities in juvenile alligators ( Alligator mississippiensis) collected from three sites in the Kissimmee–Everglades drainage, Florida (USA) by Gunderson, M.P., Oberdörster, E., Guillette, L.J.

“…We examined CYP1A (measured using hepatic EROD and MROD activities) and glutathione-S-transferase (GST) activities in juvenile alligators ( Alligator…”
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