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Abstract Aflatoxins are highly toxic carcinogens produced by several species in Aspergillus section Flavi. Strains of A. flavus that do not produce aflatoxins, called atoxigenic strains, have been used commercially in North America as tools for limiting aflatoxin contamination. A similar aflatoxi...


Donner, M.Atehnkeng, J.Sikora, R.A.Bandyopadhyay, RanajitCotty, P.J.[Molecular characterization of atoxigenic strains for biological control of aflatoxins in Nigeria]Molecular characterization of atoxigenic strains for biological control of aflatoxins in Nigeria

Aspergillus section Flavi have been implicated as causal agents of aflatoxin contamination in Africa. However, Aspergillus populations associated with aflatoxin contamination in Zambia have not been adequately detailed. Most of Zambia's arable land is non-cultivated and Aspergillus communities in...


Kachapulula, P.W.Akello, J.Bandyopadhyay, RanajitCotty, P.J.[Aspergillus section Flavi community structure in Zambia influences aflatoxin contamination of maize and groundnut]Aspergillus section Flavi community structure in Zambia influences aflatoxin contamination of maize and groundnut

Aflatoxin exposure is frequent and widespread in most African countries where the key staples, maize and groundnut, are particularly vulnerable to aflatoxin contamination. Aflatoxin-producing fungi are ubiquitous in Africa where they occupy soil and colonize diverse organic matter while producing...


Bandyopadhyay, RanajitCotty, P.J.[Biological controls for aflatoxin reduction]Biological controls for aflatoxin reduction

Agbetiameh, D.Ortega-Beltran, A.Awuah, R.T.Elzein, A.Atehnkeng, J.Cotty, P.J.Bandyopadhyay, Ranajit[Biological control of aflatoxins in maize and groundnut through use of aflasafe products developed for Ghana]Biological control of aflatoxins in maize and groundnut through use of aflasafe products developed for Ghana

Aflatoxin contamination in maize and groundnut is perennial in Ghana with substantial health and economic burden on the population. The present study examined for the first time the prevalence of aflatoxin contamination in maize and groundnut in major producing regions across three agroecological...


Agbetiameh, D.Ortega-Beltran, A.Awuah, R.T.Atehnkeng, J.Cotty, P.J.Bandyopadhyay, Ranajit[Prevalence of aflatoxin contamination in maize and groundnut in Ghana: population structure, distribution, and toxigenicity of the causal agents]Prevalence of aflatoxin contamination in maize and groundnut in Ghana: population structure, distribution, and toxigenicity of the causal agents

Atehnkeng, J.Mutegi, D.Ortega-Beltran, A.Augusto, J.Akande, A.Senghor, L.A.Falade, T.Akello, J.Cotty, P.J.Bandyopadhyay, R.[Management of aflatoxins in maize and groundnuts in Kenya: a farmers' training manual]Management of aflatoxins in maize and groundnuts in Kenya: a farmers' training manual

Across sub-Saharan Africa, chili peppers are fundamental ingredients of many traditional dishes. However, chili peppers may contain unsafe aflatoxin concentrations produced by Aspergillus section Flavi fungi. Aflatoxin levels were determined in chili peppers from three states in Nigeria. A total ...


Ezekiel, C.N.Ortega-Beltran, A.Oyedeji, E.O.Atehnkeng, J.Kössler, P.Tairu, F.Hoeschle-Zeledon, I.Karlovsky, P.Cotty, P.J.Bandyopadhyay, R.[Aflatoxin in chili peppers in Nigeria: extent of contamination and control using atoxigenic aspergillus flavus genotypes as biocontrol agents]Aflatoxin in chili peppers in Nigeria: extent of contamination and control using atoxigenic aspergillus flavus genotypes as biocontrol agents

Increasing knowledge of the deleterious health and economic impacts of aflatoxin in crop commodities has stimulated global interest in aflatoxin mitigation. Current evidence of the incidence of Aspergillus flavus isolates belonging to vegetative compatibility groups (VCGs) lacking the ability to ...


Agbetiameh, D.Ortega-Beltran, A.Awuah, R.T.Atehnkeng, J.Islam, M.S.Callicott, K.A.Cotty, P.J.Bandyopadhyay, R.[Potential of atoxigenic Aspergillus flavus vegetative compatibility groups associated with maize and groundnut in Ghana as biocontrol agents for aflatoxin management]Potential of atoxigenic Aspergillus flavus vegetative compatibility groups associated with maize and groundnut in Ghana as biocontrol agents for aflatoxin management

Aflatoxins are highly toxic metabolites of several Aspergillus species widely distributed throughout the environment. These toxins have adverse effects on humans and livestock at a few micrograms per kilogram (μg/kg) concentrations. Strict regulations on the concentrations of aflatoxins allowed i...


Mutegi, C.Cotty, P.J.Bandyopadhyay, Ranajit[Prevalence and mitigation of aflatoxins in Kenya (1960-to date)]Prevalence and mitigation of aflatoxins in Kenya (1960-to date)

Aspergillus flavus has long been considered to be an asexual species. Although a sexual stage was recently reported for this species from in vitro studies, the amount of recombination ongoing in natural populations and the genetic distance across which meiosis occurs is largely unknown. In the cu...


Islam, M.S.Callicott, K.A.Mutegi, C.Bandyopadhyay, RanajitCotty, P.J.[Aspergillus flavus resident in Kenya: high genetic diversity in an ancient population primarily shaped by clonal reproduction and mutation-driven evolution]Aspergillus flavus resident in Kenya: high genetic diversity in an ancient population primarily shaped by clonal reproduction and mutation-driven evolution

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