Search Results - "Rheeder, J.P."

Fusarium species and fumonisins in subsistence maize in the former Transkei region, South Africa: a multi-year study in rural villages by Rheeder, J.P., Van der Westhuizen, L., Imrie, G., Shephard, G.S.

“…Fumonisin occurrence was investigated in subsistence maize in four rural villages in each of Mbizana and Centane areas, South Africa. Samples (total 211) were…”
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Individual fumonisin exposure and sphingoid base levels in rural populations consuming maize in South Africa by van der Westhuizen, L., Shephard, G.S., Rheeder, J.P., Burger, H.-M.

“…Low and high oesophageal cancer incidence areas of the former Transkei region of South Africa have been associated with corresponding low and high levels of…”
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Occurrence of the C-series fumonisins in maize from the former Transkei region of South Africa by Shephard, G.S, van der Westhuizen, L, Sewram, V, van Zyl, J, Rheeder, J.P

“…Fumonisins are a group of structurally related mycotoxins produced mainly in maize by Fusarium verticillioides and F. proliferatum. The most abundant naturally…”
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Sphingoid base levels in humans consuming fumonisin-contaminated maize in rural areas of the former Transkei, South Africa: a cross-sectional study by van der Westhuizen, L., Shephard, G.S., Rheeder, J.P., Somdyala, N.I.M., Marasas, W.F.O.

“…High incidences of oesophageal cancer are associated with the consumption of subsistence-grown maize by rural populations in the former Transkei region of…”
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Fumonisin contamination of a corn sample associated with the induction of hepatocarcinogenesis in rats—role of dietary deficiencies by Gelderblom, W.C.A., Rheeder, J.P., Leggott, N., Stockenstrom, S., Humphreys, J., Shephard, G.S., Marasas, W.F.O.

“…A corn sample associated with a field outbreak of equine leukoencephalomalacia in Pennsylvania, USA, during 1983/1984 and induced hepatotoxic and…”
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Technological and community-based methods to reduce mycotoxin exposure by Alberts, J.F., Lilly, M., Rheeder, J.P., Burger, H-M., Shephard, G.S., Gelderblom, W.C.A.

“…In developing countries the enforcement of compliance to detailed mycotoxin regulations ensures protection of the population from adverse health effects of…”
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Natural occurrence of aflatoxins in peanuts and peanut butter from Bulawayo, Zimbabwe by Mupunga, I, Lebelo, S L, Mngqawa, P, Rheeder, J P, Katerere, D R

“…Mycotoxins are toxic secondary metabolites produced by filamentous fungi that may contaminate food and pose a health risk, especially in developing countries,…”
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The mycotoxin distribution in maize milling fractions under experimental conditions by Burger, H-M., Shephard, G.S., Louw, W., Rheeder, J.P., Gelderblom, W.C.A.

“…Mycotoxin contamination of maize and maize-based food and feed products poses a health risk to humans and animals if not adequately controlled and managed. The…”
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Production of fumonisin analogs by Fusarium species by RHEEDER, John P, MARASAS, Walter F. O, VISMER, Hester F

“…Rheeder et al focus on the Fusarium species that produce fumonisins and the fumonisin analogs produced by each of these species. The fumonisins, a family of…”
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Optimising sorting and washing of home-grown maize to reduce fumonisin contamination under laboratory-controlled conditions by van der Westhuizen, L., Shephard, G.S., Rheeder, J.P., Burger, H.-M., Gelderblom, W.C.A., Wild, C.P., Gong, Y.Y.

“…Subsistence farming communities with low socio-economic status reliant on a mono cereal maize diet are exposed to fumonisin levels that exceed the provisional…”
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Toxicity, pathogenicity, and genetic differentiation of five species of Fusarium from sorghum and millet by Leslie, J.F, Zeller, K.A, Lamprecht, S.C, Rheeder, J.P, Marasas, W.F.O

“…Fusarium isolates recovered from sorghum and millet are commonly identified as F. moniliforme, but with the recognition of new species in this group, the…”
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Exposure assessment for fumonisins in the former Transkei region of South Africa by Shephard, G S, Marasas, W F O, Burger, H-M, Somdyala, N I M, Rheeder, J P, Van der Westhuizen, L, Gatyeni, P, Van Schalkwyk, D J

“…The fumonisins are mycotoxins produced mainly by Fusarium verticillioides and F. proliferatum in maize, the predominant cereal staple for subsistence farming…”
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Simple intervention method to reduce fumonisin exposure in a subsistence maize-farming community in South Africa by van der Westhuizen, L., Shephard, G.S., Rheeder, J.P., Burger, H.-M., Gelderblom, W.C.A., Wild, C.P., Gong, Y.Y.

“…In the Centane magisterial area of South Africa, high rates of oesophageal cancer have been associated with home-grown maize contaminated with fumonisins. The…”
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Production of Fumonisin B and C Analogues by Several Fusarium Species by Sewram, Vikash, Mshicileli, Ndumiso, Shephard, Gordon S, Vismer, Hester F, Rheeder, John P, Lee, Yin-Won, Leslie, John F, Marasas, Walter F. O

“…Six strains of Fusarium verticillioides, two of F. oxysporum, one strain of F. proliferatum, and a strain of an unidentified species were cultured on maize…”
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Fusarium moniliforme and fumonisins in corn in relation to human esophageal cancer in Transkei by Rheeder, J.P. (Medical Research Council, Tygerberg, South Africa), Marasas, W.F.O, Thiel, P.G, Sydenham, E.W, Shephard, G.S, Van Schalkwyk, D.J

“…Homegrown corn samples were collected from areas with high and low rates of human esophageal cancer in the southern African territory of Transkei for six…”
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Fusarium nelsonii and F. musarum: two new species in section Arthrosporiella related to F. camptoceras by Marasas, W.F.O. (Medical Research Council, Tygerberg, South Africa.), Rheeder, J.P, Logrieco, A, Van Wyk, P.S, Juba, J.H

“…An emended description of Fusarium camptoceras is provided to include the presence of pedicellate macroconidia produced in sporodochia and mesoconidia produced…”
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Fusarium andiyazi sp. nov., a new species from sorghum by Marasas, W.F.O, Rheeder, J.P, Lamprecht, S.C, Zeller, K.A, Leslie, J.F

“…We describe a new Fusarium species in section Liseola from sorghum in Africa and the United States. This species is distinguished morphologically by the…”
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Production of Fumonisin B Analogues and Related Compounds by Fusarium globosum, a Newly Described Species from Corn by Sydenham, Eric W, Shephard, Gordon S, Stockenström, Sonja, Rheeder, John P, Marasas, Walter F. O, van der Merwe, Marthinus J

“…Fusarium globosum Rheeder, Marasas et Nelson is a recently described species originally isolated from corn kernels harvested in the Transkei region of South…”
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Fusarium species from plant debris associated with soils from maize production areas in the Transkei region of South Africa by Rheeder, J.P, Marasas, W.F.O

“…Fusarium species were isolated from plant debris in soil samples collected from cultivated maize fields and from undisturbed grasslands in two areas of the…”
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Production of [14C]fumonisin B1 by Fusarium moniliforme MRC 826 in corn cultures by Alberts, J.F, Gelderblom, W.C.A, Vleggaar, R, Marasas, W.F.O, Rheeder, J.P

“…Kinetics of growth and fumonisin production by Fusarium moniliforme MRC 826 in corn "patty" cultures were investigated, and a technique was developed for the…”
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