Search Results - "Bush, L. P."

Alkaloid Quantities in Endophyte-Infected Tall Fescue are Affected by the Plant-Fungus Combination and Environment by Helander, M, Phillips, T, Faeth, S. H, Bush, L. P, McCulley, R, Saloniemi, I, Saikkonen, K

“…Many grass species are symbiotic with systemic, vertically-transmitted, asymptomatic Epichloë endophytic fungi. These fungi often produce alkaloids that defend…”
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Towards an assessment for organizational participatory research health partnerships: A systematic mixed studies review with framework synthesis by Hamzeh, J., Pluye, P., Bush, P.L., Ruchon, C., Vedel, I., Hudon, C.

“…•A new model frames the evaluation of researcher- health organization partnerships.•The new model includes three axes, Trust, Collective Learning and…”
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Constriction of bovine vasculature caused by endophyte-infected tall fescue seed extract is similar to pure ergovaline by Foote, A. P, Harmon, D. L, Brown, K. R, Strickland, J. R, McLeod, K. R, Bush, L. P, Klotz, J. L

“…Ergovaline has been extensively used to study vasoactive effects of endophyte- (Neotyphodium coenophialum) infected tall fescue (Lolium arundinaceum). However,…”
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Bioprotective alkaloids of grass-fungal endophyte symbioses by Bush, L.P. (University of Kentucky, Lexington, KY.), Wilkinson, H.H, Schardl, C.L

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Effect of ergot alkaloids on contractility of bovine right ruminal artery and vein by FOOTE, A. P, HARMON, D. L, STRICKLAND, J. R, BUSH, L. P, KLOTZ, J. L

“…Ergot alkaloids produced by the endophyte (Neotyphodium coenophialum) associated with tall fescue (Lolium arundinaceum) are implicated in the clinical signs of…”
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Ecological content validation of the Information Assessment Method for parents (IAM-parent): A mixed methods study by Bujold, M., El Sherif, R., Bush, P.L., Johnson-Lafleur, J., Doray, G., Pluye, P.

“…•The Information Assessment Method (IAM) allows program users to document perceived outcomes of program-related information.•The IAM help evaluators and…”
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Alterations in serotonin receptor-induced contractility of bovine lateral saphenous vein in cattle grazing endophyte-infected tall fescue by Klotz, J. L, Brown, K. R, Xue, Y, Matthews, J. C, Boling, J. A, Burris, W. R, Bush, L. P, Strickland, J. R

“…As part of a 2-yr study documenting the physiologic impact of grazing endophyte-infected tall fescue on growing cattle, 2 experiments were conducted to…”
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Hemodynamics are altered in the caudal artery of beef heifers fed different ergot alkaloid concentrations by Aiken, G.E, Strickland, J.R, Looper, M.L, Bush, L.P, Schrick, F.N

“…Doppler ultrasonography was used to compare blood flow characteristics in the caudal artery of heifers fed diets with endophyte (Neotyphodium coenophialum)…”
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Evaluation of a ruminally dosed tall fescue seed extract as a model for fescue toxicosis in steers by Koontz, A. F, Bush, L. P, Klotz, J. L, McLeod, K. R, Schrick, F. N, Harmon, D. L

“…Tall fescue (Lolium arundinaceum) toxicosis research is often complicated by a reduction in intake of infected forage or seed, making treatment comparisons…”
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Contractile response of fescue-naive bovine lateral saphenous veins to increasing concentrations of tall fescue alkaloids by Klotz, J. L, Kirch, B. H, Aiken, G. E, Bush, L. P, Strickland, J. R

“…Various alkaloids found in endophyte-infected tall fescue have been shown to elicit different effects in the grazing animal. As part of an ongoing…”
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Ergovaline-induced vasoconstriction in an isolated bovine lateral saphenous vein bioassay by Klotz, J.L, Bush, L.P, Smith, D.L, Shafer, W.D, Smith, L.L, Arrington, B.C, Strickland, J.R

“…Ergovaline has been proposed as a toxic component of endophyte-infected tall fescue. As many of the symptoms of fescue toxicosis are a result of compromised…”
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Bioaccumulation of ergovaline in bovine lateral saphenous veins in vitro by Klotz, J.L, Kirch, B.H, Aiken, G.E, Bush, L.P, Strickland, J.R

“…Ergot alkaloids have been associated with vasoconstriction in grazing livestock affected by the fescue toxicosis syndrome. Previous in vitro investigations…”
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Hemodynamic responses of the caudal artery to toxic tall fescue in beef heifers by Aiken, G.E, Kirch, B.H, Strickland, J.R, Bush, L.P, Looper, M.L, Schrick, F.N

“…Color Doppler ultrasonography was used to compare blood flow characteristics in the caudal artery of heifers fed diets with endophyte (Neotyphodium…”
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Different levels of protective alkaloids in grasses with stroma-forming and seed-transmitted Epichloë/Neotyphodium endophytes by LEUCHTMANN, A, SCHMIDT, D, BUSH, L. P

“…The three alkaloid groups--lolines, ergopeptides, and peramine-- are typically associated with endophyte infection of grasses, with the main function to…”
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Effects of selected combinations of tall fescue alkaloids on the vasoconstrictive capacity of fescue-naive bovine lateral saphenous veins by Klotz, J. L, Kirch, B. H, Aiken, G. E, Bush, L. P, Strickland, J. R

“…Vasoconstriction is a response associated with consumption of toxic endophyte-infected tall fescue. It is not known if endophyte-produced alkaloids act alone…”
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vascular contractility bioassay using bovine right ruminal artery and vein by Klotz, J.L, Bush, L.P, Strickland, J.R

“…Endophyte-infected (Neotyphodium coenophialum) tall fescue (Lolium arundinaceum) produces ergot alkaloids that are associated with peripheral vasoconstriction…”
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Growing steers grazing high versus low endophyte (Neotyphodium coenophialum)-infected tall fescue have reduced serum enzymes, increased hepatic glucogenic enzymes, and reduced liver and carcass mass by Brown, K.R, Anderson, G.A, Son, K, Rentfrow, G, Bush, L.P, Klotz, J.L, Strickland, J.R, Boling, J.A, Matthews, J.C

“…It is well established that grazing Neotyphodium coenophialum-infected forages results in reduced BW gain and serum prolactin concentrations of cattle. The…”
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Assessment of vasoconstrictive potential of D-lysergic acid using an isolated bovine lateral saphenous vein bioassay by Klotz, J.L, Bush, L.P, Smith, D.L, Shafer, W.D, Smith, L.L, Vevoda, A.C, Craig, A.M, Arrington, B.C, Strickland, J.R

“…Vasoconstriction has been associated with several symptoms of fescue toxicosis thought to be alkaloid induced. Lysergic acid, an ergot alkaloid, has been…”
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Contribution of fungal loline alkaloids to protection from aphids in a grass-endophyte mutualism by WILKINSON, Heather H, SIEGEL, Malcolm R, BLANKENSHIP, Jimmy D, MALLORY, Allison C, BUSH, Lowell P, SCHARDL, Christopher L

“…Fungal endophytes provide grasses with enhanced protection from herbivory, drought, and pathogens. The loline alkaloids (saturated 1-aminopyrrolizidines with…”
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Ergot alkaloids from endophyte-infected tall fescue decrease reticuloruminal epithelial blood flow and volatile fatty acid absorption from the washed reticulorumen by Foote, A P, Kristensen, N B, Klotz, J L, Kim, D H, Koontz, A F, McLeod, K R, Bush, L P, Schrick, F N, Harmon, D L

“…An experiment was conducted to determine if ergot alkaloids affect blood flow to the absorptive surface of the rumen. Steers (n=8) were pair-fed alfalfa cubes…”
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