Search Results - "Iwanowicz, L R"

Reproductive health indicators of fishes from Pennsylvania watersheds: association with chemicals of emerging concern by Blazer, V. S, Iwanowicz, D. D, Walsh, H. L, Sperry, A. J, Iwanowicz, L. R, Alvarez, D. A, Brightbill, R. A, Smith, G, Foreman, W. T, Manning, R

“…Fishes were collected at 16 sites within the three major river drainages (Delaware, Susquehanna, and Ohio) of Pennsylvania. Three species were evaluated for…”
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Comparative responses to endocrine disrupting compounds in early life stages of Atlantic salmon, Salmo salar by Duffy, T.A., Iwanowicz, L.R., McCormick, S.D.

“…•We compared the response of four life stages of Atlantic salmon to endocrine disrupting compounds.•Life stages displayed differential sensitivity to…”
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Molecular Detection of Avian Influenza Virus from Sediment Samples in Waterfowl Habitats on the Delmarva Peninsula, United States by Densmore, C. L, Iwanowicz, D. D, Ottinger, C. A, Hindman, L. J, Bessler, A. M, Iwanowicz, L. R, Prosser, D. J, Whitbeck, M, Driscoll, C. P

“…Avian influenza viruses (AIV) affect many species of birds including waterfowl and may persist in sediment in aquatic habitats. Sediment samples were collected…”
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A Redescription of Myxobolus inornatus from Young-of-the-Year Smallmouth Bass (Micropterus dolomieu  ) by Walsh, H. L, Blazer, V. S, Iwanowicz, L. R, Smith, G

“…During investigations of young-of-the year smallmouth bass (Micropterus dolomieu) mortalities in the Susquehanna River, Pennsylvania, U.S.A. and affected…”
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Isolation, characterization and molecular identification of a novel aquareovirus that infects endangered fountain darter Etheostoma fonticola by Iwanowicz, L R, Iwanowicz, D D, Adams, C R, Lewis, T D, Brandt, T M, Sanders, L R, Cornman, R S

“…The fountain darter Etheostoma fonticola (FOD) is a federally endangered fish listed under the US Endangered Species Act. Here, we identified and characterized…”
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Characterization of a New Myxozoan Species (Myxozoa: Myxobolidae: Myxosporea) in Largescale Stonerollers (Campostoma oligolepis) from the Mobile River Basin (Alabama) by Iwanowicz, D. D, Iwanowicz, L. R, Howerth, E. W, Schill, W. B, Blazer, V. S, Johnson, R. L

“…Myxobolus stanlii sp. n. was described from largescale stonerollers (Campostoma oligolepis) from the Mobile River Basin in Alabama. The parasite was described…”
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Poultry litter as potential source of pathogens and other contaminants in groundwater and surface water proximal to large-scale confined poultry feeding operations by Hubbard, L.E., Givens, C.E., Griffin, D.W., Iwanowicz, L.R., Meyer, M.T., Kolpin, D.W.

“…Manure from livestock production has been associated with the contamination of water resources. To date, research has primarily focused on runoff of these…”
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Environmental signatures and effects of an oil and gas wastewater spill in the Williston Basin, North Dakota by Cozzarelli, I.M., Skalak, K.J., Kent, D.B., Engle, M.A., Benthem, A., Mumford, A.C., Haase, K., Farag, A., Harper, D., Nagel, S.C., Iwanowicz, L.R., Orem, W.H., Akob, D.M., Jaeschke, J.B., Galloway, J., Kohler, M., Stoliker, D.L., Jolly, G.D.

“…Wastewaters from oil and gas development pose largely unknown risks to environmental resources. In January 2015, 11.4ML (million liters) of wastewater (300g/L…”
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The presence of antibiotic resistance genes in coastal soil and sediment samples from the eastern seaboard of the USA by Griffin, Dale W., Benzel, W. M., Fisher, S. C., Focazio, M. J., Iwanowicz, L. R., Loftin, K. A., Reilly, T. J., Jones, D. K.

“…Infections from antibiotic resistant microorganisms are considered to be one of the greatest global public health challenges that result in huge annual…”
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Evidence of estrogenic endocrine disruption in smallmouth and largemouth bass inhabiting Northeast U.S. national wildlife refuge waters: A reconnaissance study by Iwanowicz, L.R., Blazer, V.S., Pinkney, A.E., Guy, C.P., Major, A.M., Munney, K., Mierzykowski, S., Lingenfelser, S., Secord, A., Patnode, K., Kubiak, T.J., Stern, C., Hahn, C.M., Iwanowicz, D.D., Walsh, H.L., Sperry, A.

“…Intersex as the manifestation of testicular oocytes (TO) in male gonochoristic fishes has been used as an indicator of estrogenic exposure. Here we evaluated…”
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new bacilliform fathead minnow rhabdovirus that produces syncytia in tissue culture by Iwanowicz, L. R, Goodwin, A. E

“…A pathogenic bacilliform virus 130–180 nm in length and 31–47 nm in diameter was isolated from moribund fathead minnows (Pimephales promelas) exhibiting…”
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Mycobacterial infection in Northern snakehead (Channa argus) from the Potomac River catchment by Densmore, C L, Iwanowicz, L R, Henderson, A P, Iwanowicz, D D, Odenkirk, J S

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Intersex (Testicular Oocytes) in Smallmouth Bass from the Potomac River and Selected Nearby Drainages by Blazer, V. S., Iwanowicz, L. R., Iwanowicz, D. D., Smith, D. R., Young, J. A., Hedrick, J. D., Foster, S. W., Reeser, S. J.

“…Intersex, or the presence of characteristics of both sexes, in fishes that are normally gonochoristic has been used as an indicator of exposure to estrogenic…”
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Flow cytometric method for measuring chromatin fragmentation in fixed sperm from yellow perch (Perca flavescens) by Jenkins, J.A., Draugelis-Dale, R.O., Pinkney, A.E., Iwanowicz, L.R., Blazer, V.S.

“…Declining harvests of yellow perch, Perca flavescens, in urbanized watersheds of Chesapeake Bay have prompted investigations of their reproductive fitness. The…”
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Mortality of Centrarchid Fishes in the Potomac Drainage: Survey Results and Overview of Potential Contributing Factors by Blazer, V. S., Iwanowicz, L. R., Starliper, C. E., Iwanowicz, D. D., Barbash, P., Hedrick, J. D., Reeser, S. J., Mullican, J. E., Zaugg, S. D., Burkhardt, M. R., Kelble, J.

“…Skin lesions and spring mortality events of smallmouth bass Micropterus dolomieu and selected other species were first noted in the South Branch of the Potomac…”
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A small RNA virus isolated from apparently healthy wild sandbar shiners, Notropis scepticus (Jordan & Gilbert) by Iwanowicz, L R, Goodwin, A E, Heil, N

“…As part of the National Wild Fish Health Survey, the US Fish and Wildlife Service initiated a survey of pathogens present in wild fish populations. During that…”
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Embryonal rhabdomyosarcoma of the giant gourami, Colisa fasciata (Bloch & Schneider) by Iwanowicz, L R, Goodwin, A E, Harshbarger, J C

“…Reports of neoplasia in poikilothermic organisms first appeared in the scientific literature during the late 1800 s and comprehensive reviews of these…”
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Aqueous exposure to Aroclor 1254 modulates the mitogenic response of Atlantic salmon anterior kidney T-cells: Indications of short- and long-term immunomodulation by Iwanowicz, Luke R., Lerner, Darren T., Blazer, Vicki S., McCormick, Stephen D.

“…Polychlorinated biphenyls (PCBs) exist as persistent organic pollutants in numerous river systems in the United States. Unfortunately, some of these rivers are…”
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Calcein AM release-based cytotoxic cell assay for fish leucocytes by Iwanowicz, Luke R., Densmore, Christine L., Ottinger, Christopher A.

“…A non-specific cytotoxic cell assay for fish is presented that is based on the release of the activated fluorochrome calcein AM from lysed carp epithelioma…”
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Aroclor 1248 exposure leads to immunomodulation, decreased disease resistance and endocrine disruption in the brown bullhead, Ameiurus nebulosus by Iwanowicz, Luke R., Blazer, Vicki S., McCormick, Stephen D., VanVeld, Peter A., Ottinger, Christopher A.

“…The brown bullhead Ameiurus nebulosus is a species of the family Ictaluridae commonly used as a sentinel of environmental contamination. While these fish have…”
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