Search Results - "Augustine, P. C."

Cell: sporozoite interactions and invasion by apicomplexan parasites of the genus Eimeria by Augustine, Patricia C

“…The site specificity that avian Eimeria sporozoites and, to a more limited degree, other apicomplexan parasites exhibit for invasion in vivo suggests that…”
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The effect of dietary betaine on intestinal and plasma levels of betaine in uninfected and coccidia-infected broiler chicks by FETTERER, R. H, AUGUSTINE, P. C, ALLEN, P. C, BARFIELD, R. C

“…Chicks fed betaine supplemented diets and infected with Eimeria acervulina and Eimeria maxima had markedly higher levels of betaine in the duodenum and mid-gut…”
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Invasion of Different Cell Types by Sporozoites of Eimeria Species and Effects of Monoclonal Antibody 1209-C2 on Invasion of Cells by Sporozoites of Several Apicomplexan Parasites by AUGUSTINE, P. C

“…Sporozoites of avian Eimeria species differed markedly in their ability to invade cells in vitro. Invasion by E. tenella and E. adenoeides was significantly…”
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Influence of Betaine and Salinomycin on Intestinal Absorption of Methionine and Glucose and on the Ultrastructure of Intestinal Cells and Parasite Developmental Stages in Chicks Infected with Eimeria acervulina by Augustine, P. C., Danforth, H. D.

“…The effect of betaine and salinomycin on absorption of methionine and glucose in tissue from the duodenal loops of Eimeria acervulina-infected chicks was…”
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Maternal immunization with gametocyte antigens as a means of providing protective immunity against Eimeria maxima in chickens by Wallach, M. (The Hebrew University-Hadassah Medical School, Jerusalem), Halabi, A, Pillemer, G, Sar-Shalom, O, Mencher, D, Gilad, M, Bendheim, U, Danforth, H.D, Augustine, P.C

“…In the present study, we wished to demonstrate the ability of surface gametocyte antigens to induce protective immunity against Eimeria maxima infections in…”
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Effect of polyclonal antisera developed against dense granule-associated Neospora caninum proteins on cell invasion and development in vitro by N. caninum tachyzoites by Augustine, P C, Jenkins, M C, Dubey, J P

“…The effects of polyclonal antisera to 2 recombinant dense granule (DG) antigens of Neospora caninum on invasion and development by N. caninum tachyzoites in…”
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Effect of betaine on the growth performance of chicks inoculated with mixed cultures of avian Eimeria species and on invasion and development of Eimeria tenella and Eimeria acervulina in vitro and in vivo by Augustine, P.C. (USDA, ARS, Parasite Biology and Epidemiology Laboratory, Beltsville, MD.), McNaughton, J.L, Virtanen, E, Rosi, L

“…At 7 d postinoculation (DPI) with a mixed culture of avian Eimeria species, 21-d-old chicks maintained in batteries and floor pens on a diet containing 0.15%…”
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Eimeria adenoeides sporozoites: enhanced invasion of cultured cells previously inoculated with Eimeria acervulina sporozoites by AUGUSTINE, P. C

“…The effects of prior or concurrent administration of Eimeria acervulina on invasion of cultured cells by Eimeria adenoeides sporozoites and possible mechanisms…”
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X-irradiation of Eimeria tenella oocysts provides direct evidence that sporozoite invasion and early schizont development induce a protective immune response(s) by Jenkins, M.C. (Protozoan Diseases Laboratory, ARS, Beltsville, MD), Augustine, P.C, Danforth, H.D, Barta, J.R

“…Sporulated oocysts of the protozoan parasite Eimeria tenella were attenuated by exposure to various doses of X-radiation to inhibit intracellular replication…”
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Reduced invasion of cultured cells pretreated with a monoclonal antibody elicited against refractile body antigens of avian coccidial sporozoites by Augustine, P.C

“…The effect of a monoclonal antibody (1209‐C2) elicited against sporozoite refractile‐body antigen on invasion of cultured baby hamster kidney cells by avian…”
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Prior or concurrent exposure to different species of avian Eimeria: effect on sporozoite invasion and chick growth performance by Augustine, P.C

“…The effects of prior (immunity) or concurrent administration of Eimeria acervulina or Eimeria tenella on cellular invasion in vivo and in vitro and on growth…”
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Elevation of muscle and plasma 3-methylhistidine as a result of turkey coccidiosis by Fetterer, R.H, Augustine, P.C

“…To assess muscle breakdown during avian coccidiosis, the level of the non-metabolizable amino acid 3-methylhistidine (3MH) was determined in muscle and plasma…”
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Establishment of a turkey cecal cell line and development of turkey coccidia within the cells by Augustine, P C

“…Cells were dispersed from cecal tissues of 1- to 2-day-old turkeys using a mixture of collagenase and dispase to enrich for epithelial cells. The initial…”
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Monoclonal antibody produced against partially purified sporozoite antigen inhibits invasion of cells by sporozoites of avian Eimeria species by Augustine, P C

“…Previous studies showed that molecules of in vitro-cultured primary turkey kidney cells bound to 23-, 40-, and 60- to 65-kDa antigens of sodium dodecyl…”
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Avian eimeria species: effect of prior or simultaneous inoculation of one species on cellular invasion by a second species in vivo and in vitro by Augustine, P. C.

“…The effect of prior or simultaneous administration of Eimeria acervulina on cellular invasion by E. acervulina, E. tenella, or E. adenoeides was examined in…”
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Molecular interactions of cultured turkey kidney cells with specific antigens of Eimeria adenoeides sporozoites by Augustine, P C

“…Earlier studies suggested that specific communication between the parasite and the host cell may play a role in cellular invasion by sporozoites of species of…”
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Enrichment of cecal species of avian Eimeria in a mixed culture by transfer of sporozoites from foreign host to natural host birds by Augustine, P C

“…An effective method for the enrichment of two cecal species of the avian Eimeria in mixed cultures has been developed. The method involves the transfer of…”
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Effect of Conditioned Media from Chicken and Turkey Intestinal Cell Cultures on Invasion by Sporozoites of Three Species of Avian Coccidia by Augustine, Patricia C., Jenkins, Mark C.

“…The effect of conditioned media from cultures of turkey and chicken intestinal cells on cellular invasion by sporozoites of avian Eimeria species was examined…”
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Dietary modulation of avian coccidiosis by Allen, Patricia C, Danforth, Harry D, Augustine, Patricia C

“…During the past several years, our laboratory has been investigating the anticoccidial activities of various natural products that have potential use as…”
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Avian Eimeria: invasion in foreign host birds and generation of partial immunity against coccidiosis by Augustine, P.C. (U.S. Department of Agriculture, Agricultural Research Center, Livestock and Poultry Science Institute, Beltsville, MD), Danforth, H.D

“…Four species of avian Eimeria invaded the intestine of foreign host birds in the same areas in which they invaded the natural host. Repeated inoculation…”
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