Search Results - "Veldhoen, Nik"

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    Implementation of Novel Design Features for qPCR-Based eDNA Assessment by Veldhoen, Nik, Hobbs, Jared, Ikonomou, Georgios, Hii, Michael, Lesperance, Mary, Helbing, Caren C

    Published in PloS one (01-11-2016)
    “…Environmental stewardship requires timely, accurate information related to the status of a given ecosystem and the species that occupy it. Recent advances in…”
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    Effects of Acute Exposure to the Non-steroidal Anti-inflammatory Drug Ibuprofen on the Developing North American Bullfrog (Rana catesbeiana) Tadpole by Veldhoen, Nik, Skirrow, Rachel C, Brown, Lorraine L. Y, van Aggelen, Graham, Helbing, Caren C

    Published in Environmental science & technology (02-09-2014)
    “…A variety of pharmaceutical chemicals can represent constituents of municipal effluent outflows that are dispersed into aquatic receiving environments…”
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    Influence of temperature on thyroid hormone signaling and endocrine disruptor action in Rana ( Lithobates ) catesbeiana tadpoles by Hammond, S. Austin, Veldhoen, Nik, Helbing, Caren C

    Published in General and comparative endocrinology (01-08-2015)
    “…Highlights • Bullfrog metamorphosis induced by thyroid hormone is inhibited by low temperature. • A molecular memory enables rapid hormone response at…”
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    The bactericidal agent triclosan modulates thyroid hormone-associated gene expression and disrupts postembryonic anuran development by Veldhoen, Nik, Skirrow, Rachel C., Osachoff, Heather, Wigmore, Heidi, Clapson, David J., Gunderson, Mark P., Van Aggelen, Graham, Helbing, Caren C.

    Published in Aquatic toxicology (01-12-2006)
    “…We investigated whether exposure to environmentally relevant concentrations of the bactericidal agent, triclosan, induces changes in the thyroid…”
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    PCB-Associated Changes in mRNA Expression in Killer Whales (Orcinus orca) from the NE Pacific Ocean by Buckman, Andrea H, Veldhoen, Nik, Ellis, Graeme, Ford, John K. B, Helbing, Caren C, Ross, Peter S

    Published in Environmental science & technology (01-12-2011)
    “…Killer whales in the NE Pacific Ocean are among the world’s most PCB-contaminated marine mammals, raising concerns about implications for their health. Sixteen…”
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    Toxicity of glyphosate-based pesticides to four North American frog species by Howe, Christina M., Berrill, Michael, Pauli, Bruce D., Helbing, Caren C., Werry, Kate, Veldhoen, Nik

    Published in Environmental toxicology and chemistry (01-08-2004)
    “…Gyphosate‐basedherbicides are among the most widely used pesticides in the world. We compared the acute toxicity of the glyphosate end‐use formulation Roundup…”
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    De novo Transcriptome Assemblies of Rana (Lithobates) catesbeiana and Xenopus laevis Tadpole Livers for Comparative Genomics without Reference Genomes by Birol, Inanc, Behsaz, Bahar, Hammond, S Austin, Kucuk, Erdi, Veldhoen, Nik, Helbing, Caren C

    Published in PloS one (29-06-2015)
    “…In this work we studied the liver transcriptomes of two frog species, the American bullfrog (Rana (Lithobates) catesbeiana) and the African clawed frog…”
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    Characterization of the histone H2A.Z-1 and H2A.Z-2 isoforms in vertebrates by Dryhurst, Deanna, Ishibashi, Toyotaka, Rose, Kristie L, Eirín-López, José M, McDonald, Darin, Silva-Moreno, Begonia, Veldhoen, Nik, Helbing, Caren C, Hendzel, Michael J, Shabanowitz, Jeffrey, Hunt, Donald F, Ausió, Juan

    Published in BMC biology (14-12-2009)
    “…Within chromatin, the histone variant H2A.Z plays a role in many diverse nuclear processes including transcription, preventing the spread of heterochromatin…”
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    Nanometals Induce Stress and Alter Thyroid Hormone Action in Amphibia at or below North American Water Quality Guidelines by Hinther, Ashley, Vawda, Saadia, Skirrow, Rachel C., Veldhoen, Nik, Collins, Patricia, Cullen, Jay T., van Aggelen, Graham, Helbing, Caren C.

    Published in Environmental science & technology (01-11-2010)
    “…Nanometals are manufactured to particle sizes with diameters in the nanometer range and are included in a variety of consumer and health products. There is a…”
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    Exposure to the Herbicide Acetochlor Alters Thyroid Hormone-Dependent Gene Expression and Metamorphosis in Xenopus Laevis by Crump, Doug, Werry, Kate, Veldhoen, Nik, Van Aggelen, Graham, Helbing, Caren C.

    Published in Environmental health perspectives (01-12-2002)
    “…A growing number of substances released into the environment disrupt normal endocrine mechanisms in a wide range of vertebrates. Little is known about the…”
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    Characterization of gene expression endpoints during postembryonic development of the northern green frog (Rana clamitans melanota) by Hammond, S Austin, Veldhoen, Nik, Kobylarz, Marek, Webber, Nicholas R, Jordan, Jameson, Rehaume, Vicki, Boone, Michelle D, Helbing, Caren C

    Published in Zoological science (01-05-2013)
    “…Postembryonic development of a larval tadpole into a juvenile frog involves the coordinated action of thyroid hormone (TH) across a diversity of tissues…”
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    Exposure to tetrabromobisphenol-A alters TH-associated gene expression and tadpole metamorphosis in the Pacific tree frog Pseudacris regilla by Veldhoen, Nik, Boggs, Ashley, Walzak, Katherine, Helbing, Caren C.

    Published in Aquatic toxicology (30-06-2006)
    “…Presently in the environment, there exist a number of chemical contaminants which share structural similarity with key naturally occurring regulatory hormones…”
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    Effects of exogenous thyroid hormones on visual pigment composition in coho salmon (Oncorhynchus kisutch) by Temple, Shelby E, Ramsden, Samuel D, Haimberger, Theodore J, Veldhoen, Kathy M, Veldhoen, Nik J, Carter, Nicolette L, Roth, Wolff-Michael, Hawryshyn, Craig W

    Published in Journal of experimental biology (01-07-2008)
    “…The role of exogenous thyroid hormone on visual pigment content of rod and cone photoreceptors was investigated in coho salmon (Oncorhynchus kisutch). Coho…”
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    Roscovitine inhibits thyroid hormone‐induced tail regression of the frog tadpole and reveals a role for cyclin C/Cdk8 in the establishment of the metamorphic gene expression program by Skirrow, Rachel C., Veldhoen, Nik, Domanski, Dominik, Helbing, Caren C.

    Published in Developmental dynamics (01-12-2008)
    “…The involvement of phosphorylation signaling pathways in postembryonic development of the frog is poorly understood. The thyroid hormone, 3, 5,…”
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    Evaluation of gene expression endpoints in the context of a Xenopus laevis metamorphosis-based bioassay to detect thyroid hormone disruptors by Zhang, Fang, Degitz, Sigmund J., Holcombe, Gary W., Kosian, Patricia A., Tietge, Joseph, Veldhoen, Nik, Helbing, Caren C.

    Published in Aquatic toxicology (05-01-2006)
    “…Thyroid hormones (TH) are important in growth, development and the maintenance of proper cellular metabolism in vertebrates. Amphibian metamorphosis is…”
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    Gene expression profiling in the deep water horse mussel Modiolus modiolus (L.) located near a marine municipal wastewater outfall by Veldhoen, Nik, Lowe, Christopher J., Davis, Céline, Mazumder, Asit, Helbing, Caren C.

    Published in Aquatic toxicology (28-06-2009)
    “…The marine bivalve Modiolus modiolus (L.) is a sentinel species used for the assessment of potential biological exposure to anthropogenic contaminants in…”
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    Modulation of thyroid hormone-dependent gene expression in Xenopus laevis by INhibitor of Growth (ING) proteins by Helbing, Caren C, Wagner, Mary J, Pettem, Katherine, Johnston, Jill, Heimeier, Rachel A, Veldhoen, Nik, Jirik, Frank R, Shi, Yun-Bo, Browder, Leon W

    Published in PloS one (05-12-2011)
    “…INhibitor of Growth (ING) proteins belong to a large family of plant homeodomain finger-containing proteins important in epigenetic regulation and…”
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