Atehnkeng, J.    

Firstname:J. 
Surname:Atehnkeng 
Email:j.atehnkeng@cgiar.org 
Institute:IITA 
Homepage:http://www.iita.org 
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49 publications (0 read)





Publications as Author



2025

Predicting aflatoxin risk in maize using machine learning and satellite data in East and Southern Africa, Gachoki, S., Muthoni, F. K., Mahuku, G., Atehnkeng, J., Njeru, N.*, Kamau, J. and Tripathi, L., in: World Mycotoxin Journal, pages 1-20, ISSN 1875-0710, 2025. [DOI]
 

2024

Mitigation of aflatoxin contamination of maize, groundnut, and sorghum by commercial biocontrol products in farmers' fields across Burkina Faso, Mali, Niger, and Togo, Bonkoungou, S.*, Dagno, K.*, Basso, A.*, Ekanao, T.*, Atehnkeng, J., Agbetiameh, D., Neya, A.*, Toure, M.*, Tiendrebeogo, A.*, Konate, M.*, Outani, B.*, Konlambigue, M., Callicott, K., Cotty, P., Dieng, I., Falade, T. D. O., Bandyopadhyay, R. and Ortega-Beltran, A., in: CABI Agriculture and Bioscience, volume 5, number -: 106, pages 1-21, ISSN 2662-4044, 2024. [DOI]
 
Awareness of aflatoxin and willingness to pay for aflasafe technology among maize farmers in Cibitoke, Makamba and Bujumbura, Nduwimana, D.*, Nwenjeri, G.*, Bett, E.* and Atehnkeng, J., in: African Journal of Emerging Issues, volume 6, number 5, pages 105-118, ISSN 2663-9335, 2024.
 
The challenge of industrialization of a nature-based solution that allows farmers to produce aflatoxin-safe crops in various African countries, Kaptoge, L., Ortega-Beltran, A., Atehnkeng, J., Konlambigue, M., Kamau, J. W. and Bandyopadhyay, R., in: Frontiers in Sustainable Food Systems, volume 8, number -: 1509384, pages 1-17, ISSN 2571-581X, 2024. [DOI]
 
Keeping toxigenic Aspergillus section Flavi and aflatoxin contamination at bay by deploying atoxigenic-based biocontrol products during production of groundnut and maize in Mozambique, Augusto, J., Atehnkeng, J., Ortega-Beltran, A., Cotty, P. and Bandyopadhyay, R., in: Frontiers in Microbiology, volume 15, number -: 1501924, pages 1-14, ISSN 1664-302X, 2024. [DOI]
 

2023

Atoxigenic-based technology for biocontrol of aflatoxin in maize and groundnuts for Tanzania, Mahuku, G., Mauro, A., Pallangyo, B.*, Nsami, E.*, Boni, S., Koyano, E., Mponda, O.*, Ortega-Beltran, A., Atehnkeng, J., Aquiline, F., Samuel, R., Njela, J., Cotty, P. and Bandyopadhyay, R., in: World Mycotoxin Journal, volume 16, number 1, pages 59-73, ISSN 1875-0710, 2023. [DOI]
 
Aflatoxin contamination of maize and groundnut in Burundi: distribution of contamination, identification of causal agents and potential biocontrol genotypes of Aspergillus flavus, Nsabiyumva, G.*, Mutegi, C., Wagacha, M.*, Mohamed, A. B., Njeru, N. K.*, Ndayihanzamaso, P.*, Niyuhire, C.*, Atehnkeng, J., Njukwe, E., Callicott, K., Cotty, P., Ortega-Beltran, A. and Bandyopadhyay, R., in: Frontiers in Microbiology, volume 14, number -: 1106543, pages 1-13, ISSN 1664-302X, 2023. [DOI]
 
Micro-climatic variations across Malawi have a greater influence on contamination of maize with aflatoxins than with fumonisins, Ng'ambi, J. T.*, Atehnkeng, J., Monjerezi, M.*, Ngongondo, C.*, Vunain, E.*, Ching'anda, C., Ortega-Beltran, A., Cotty, P., Matumba, L.* and Bandyopadhyay, A., in: Mycotoxin Research, volume 39, pages 33-44, ISSN 0178-7888, 2023. [DOI]
 

2022

Aflatoxin contamination of maize, groundnut, and sorghum grown in Burkina Faso, Mali, and Niger and aflatoxin exposure assessment, Falade, T. D. O., Neya, A.*, Bonkoungou, S.*, Dagno, K.*, Basso, A.*, Senghor, A. L.*, Atehnkeng, J., Ortega-Beltran, A. and Bandyopadhyay, R., in: Toxins, volume 14, number -: 700, pages 1-15, ISSN 2072-6651, 2022. [DOI]
 
Aflatoxin and fumonisin mycotoxins contamination along the maize value chain in the eastern Democratic Republic of Congo, Matendo, R. E.*, Imathiu, S.*, Udomkun, P., Mugumaarhahama, Y.*, Akullo, J.*, Ishara, J.*, Atehnkeng, J. and Owino, W. O.*, in: African Journal of Food, Agriculture, Nutrition and Development, volume 22, number 3, pages 19801-19821, ISSN 1684-5374, 2022. [DOI]
 
Spatial and temporal population dynamics of Aspergillus flavus in commercial pistachio orchards in Arizona, Ching'anda, C., Atehnkeng, J., Bandyopadhyay, R., Callicott, K., Orbach, M. J., Cotty, P. J.* and Mehl, H. L., in: Plant Health Progress, volume 23, number 3, pages 272-280, ISSN 1535-1025, 2022. [DOI]
 
Impact of frequency of application on the long-term efficacy of the biocontrol product Aflasafe in reducing aflatoxin contamination in maize, Atehnkeng, J., Ojiambo, P., Ortega-Beltran, A., Augusto, J., Cotty, P. J.* and Bandyopadhyay, R., in: Frontiers in Microbiology, volume 13, number -: 1049013, pages 1-14, ISSN 1664-302X, 2022. [DOI]
 

2021

Prevalence of aflatoxin- and fumonisin-producing fungi associated with cereal crops grown in Zimbabwe and their associated risks in a climate change scenario, Akello, J., Ortega-Beltran, A., Katati, B.*, Atehnkeng, J., Augusto, J., Mwila, C. M., Mahuku, G., Chikoye, D. and Bandyopadhyay, R., in: Foods, volume 10, number 2: 287, pages 1-18, ISSN 2304-8158, 2021. [DOI]
 
Does use of atoxigenic biocontrol products to mitigate aflatoxin in maize increase fumonisin content in grains?, Ortega-Beltran, A., Agbetiameh, D., Atehnkeng, J., Falade, T. D. O. and Bandyopadhyay, R., in: Plant Disease, pages 1-6, ISSN 0191-2917, 2021. [DOI]
 
Aflasafe SN01 is the first biocontrol product approved for aflatoxin mitigation in two nations, Senegal and The Gambia, Senghor, A. L., Ortega-Beltran, A., Atehnkeng, J., Jarju, P.*, Cotty, P. and Bandyopadhyay, R., in: Plant Disease, pages 1-13, ISSN 0191-2917, 2021. [DOI]
 
Evaluating the performance of lateral flow devices for total aflatoxins with special emphasis on their robustness under sub-Saharan conditions, Cvak, B., Warth, B., Atehnkeng, J., Parich, A., Moritz, A., Sulyok, M. and Krska, R., in: Toxins, volume 13, number 11: 742, pages 1-16, ISSN 2072-6651, 2021. [DOI]
 
Temperature influences on interactions among aflatoxigenic species of Aspergillus section flavi during maize colonization., Ching'anda, C., Atehnkeng, J., Bandyopadhyay, R., Callicott, K., Orbach, M. J., Mehl, H. L. and Cotty, P., in: Frontiers in Fungal Biology, volume 2, number -: 720276, pages 1-12, ISSN 2673-6128, 2021. [DOI]
 

2020

Field efficacy of two atoxigenic biocontrol products for mitigation of aflatoxin contamination in maize and groundnut in Ghana, Agbetiameh, D., Ortega-Beltran, A., Awuah, R. T.*, Atehnkeng, J., Elzein, A., Cotty, P. and Bandyopadhyay, R., in: Biological Control, volume 150, number 104351, pages 1-13, ISSN 1049-9644, 2020. [DOI]
 

2019

Monitoring Aspergillus flavus genotypes in a multi-genotype aflatoxin biocontrol product with quantitative pyrosequencing, Shenge, K. C., Adhikari, B. N., Akande, A., Callicott, K., Atehnkeng, J., Ortega-Beltran, A., Kumar, P. L., Bandyopadhyay, R. and Cotty, P., in: Frontiers in Microbiology, volume 10, number -: 2529, pages 1-13, ISSN 1664-302X, 2019. [DOI]
 
Aflatoxin in chili peppers in Nigeria: extent of contamination and control using atoxigenic aspergillus flavus genotypes as biocontrol agents, Ezekiel, C. N., Ortega-Beltran, A., Oyedeji, E. O., Atehnkeng, J., Kossler, P., Tairu, F.*, Hoeschle-Zeledon, I., Karlovsky, P., Cotty, P. and Bandyopadhyay, R., in: Toxins, volume 11, number -: 429, pages 1-14, ISSN 2072-6651, 2019. [DOI]
 
Potential of atoxigenic Aspergillus flavus vegetative compatibility groups associated with maize and groundnut in Ghana as biocontrol agents for aflatoxin management, Agbetiameh, D., Ortega-Beltran, A., Awuah, R. T.*, Atehnkeng, J., Islam, M. S., Callicott, K., Cotty, P. and Bandyopadhyay, R., in: Frontiers in Microbiology, volume 10, number :- 2069, pages 1-15, ISSN 1664-302X, 2019. [DOI]
 
Performance of broilers fed with maize colonized by either toxigenic or atoxigenic strains of Aspergillus flavus with and without an aflatoxin-sequestering agent, Aikore, M. O. S., Ortega-Beltran, A., Eruvbetine, D., Atehnkeng, J., Falade, T. D. O., Cotty, P. and Bandyopadhyay, R., in: Toxins, volume 11, number 10: 565, pages 1-13, ISSN 2072-6651, 2019. [DOI]
 
The atoxigenic biocontrol product Aflasafe SN01 is a valuable tool to mitigate aflatoxin contamination of both maize and groundnut cultivated in Senegal, Senghor, A. L., Ortega-Beltran, A., Atehnkeng, J., Callicott, K., Cotty, P. and Bandyopadhyay, R., in: Plant Disease, pages 1-45, ISSN 0191-2917, 2019. [DOI]
 
"Ground-truthing" efficacy of biological control for aflatoxin mitigation in farmers' fields in Nigeria: from field trials to commercial usage, a 10-year study, Bandyopadhyay, R., Atehnkeng, J., Ortega-Beltran, A., Akande, A., Falade, T. D. O. and Cotty, P., in: Frontiers in Microbiology, volume 10, number : 2528, pages 1-23, ISSN 1664-302X, 2019. [DOI]
 

2018

Occurrence of aflatoxin in agricultural produce from local markets in Burundi and eastern Democratic Republic of Congo, Udomkun, P., Mutegi, C., Assfaw Wossen, T., Atehnkeng, J., Nabahungu, N. L., Njukwe, E., Vanlauwe, B. and Bandyopadhyay, R., in: Food Science & Nutrition, pages 1-13, ISSN 2048-7177, 2018. [DOI]
 
Prevalence of aflatoxin contamination in maize and groundnut in Ghana: population structure, distribution, and toxigenicity of the causal agents, Agbetiameh, D., Ortega-Beltran, A., Awuah, R. T.*, Atehnkeng, J., Cotty, P. and Bandyopadhyay, R., in: Plant Disease, volume 102, pages 764-772, ISSN 0191-2917, 2018. [DOI]
 
Management of aflatoxins in maize and groundnuts in Kenya: a farmers' training manual, Atehnkeng, J., Mutegi, C., Ortega-Beltran, A., Augusto, J., Akande, A., Senghor, A. L.*, Falade, T. D. O., Akello, J., Cotty, P. and Bandyopadhyay, R., International Institute of Tropical Agriculture, 2018.
 

2017

An assessment of willingness to pay by maize and groundnut farmers for aflatoxin biocontrol product in northern Nigeria, Ayedun, B., Okpachu, O. G., Manyong, V., Atehnkeng, J., Akinola, A. A.*, Abu, G. A.*, Bandyopadhyay, R. and Abdoulaye, T., in: Journal of Food Protection, volume 80, number 9, pages 1451-1460, ISSN 0362-028X, 2017. [DOI]
 
Farmers' guide to management of aflatoxins in maize and groundnuts in Africa, Atehnkeng, J., Augusto, J., Senghor, A. L.*, Akande, A., Akello, J., Mutegi, C., Ortega-Beltran, A., Cotty, P. and Bandyopadhyay, R., International Institute of Tropical Agriculture, 2017.
 

2016

Biological control of aflatoxins in Africa: current status and potential challenges in the face of climate change, Bandyopadhyay, R., Ortega-Beltran, A., Akande, A., Mutegi, C., Atehnkeng, J., Kaptoge, L., Senghor, A. L.*, Adhikari, B. N. and Cotty, P., in: World Mycotoxin Journal, volume 9, number 5, pages 177-789, ISSN 1875-0710, 2016. [DOI]
 
Comparative reliability of screening parameters for anthracnose resistance in water yam (Dioscorea alata), Nwadili, C., Augusto, J., Bhattacharjee, R., Atehnkeng, J., Lopez-Montes, A., Onyeka, T. J.*, Kumar, P. L., Asiedu, R. and Bandyopadhyay, R., in: Plant Disease, pages 1-8, ISSN 0191-2917, 2016. [DOI]
 

2015

Will farmers buy and apply aflatoxin biological control agent?: a willingness-to-pay (WTP) approach in Northern Nigeria: in Tropentag 2015 management of land use systems for enhanced food security - conflicts, controversies and resolutions, Ayedun, B., Okpachu, O. G., Abdoulaye, T., Bandyopadhyay, R., Atehnkeng, J., Akinola, A. and Abu, G. A.*, Tropentag, 2015.
 
Technical innovations for small-scale producers and households to process wet cassava peels into high quality animal feed ingredients and aflasafe(TM) substrate, Okike, I., Samireddypalle, A., Kaptoge, L., Fauquet, C., Atehnkeng, J., Bandyopadhyay, R., Kulakow, P., Duncan, A., Alabi, T. R. and Blummel, M.*, in: Food Chain, volume 5, number 1-2, pages 71-90, ISSN 2046-1879, 2015. [DOI]
 
Aflasafe technology in Zambia: upscaling and dissemination through on-farm trials for wide uptake and utilization: proceedings, Lohmann, J., Ziebula, J., Akello, J., Atehnkeng, J., Mukanga, M.*, Njapau, H.*, Dubois, T.+, Cotty, P. and Bandyopadhyay, R., Tropentag, 2015.
 
Seasonal and geographical differences in aflatoxin exposures in Senegal, Watson, S., Diedhiou, P. M.*, Atehnkeng, J., Dem, A.*, Bandyopadhyay, R., Srey, C., Routledge, M. N. and Gong, Y., in: World Mycotoxin Journal, pages 1-8, ISSN 1875-0710, 2015. [DOI]
 
Developing an aflatoxin biocontrol product against aflatoxin- producing Aspergillus spp. in Zambia, Akello, J., Atehnkeng, J., Mukanga, M.*, Njapau, H.*, Dubois, T.+, Cotty, P. and Bandyopadhyay, R., Abstract, p. 177 in the book of abstracts of the Tropentag 2015: management of land use systems for enhanced food security - conflicts, controversies and resolutions, in Humboldt-Universitat Berlin, Germany, September 16 - 18, 2015.
 
Environmental distribution and genetic diversity of vegetative compatibility groups determine biocontrol strategies to mitigate aflatoxin contamination of maize by Aspergillus flavus, Atehnkeng, J., Donner, M., Ojiambo, P. S., Ikotun, B.*, Augusto, J., Cotty, P. and Bandyopadhyay, R., in: Microbial Biotechnology, pages 1-14, ISSN 1751-7907, 2015. [DOI]
 

2014

Mycotoxin exposure in rural residents in northern Nigeria: A pilot study using multi-urinary biomarkers, Ezekiel, C. N., Warth, B., Ogara, I.*, Abia, W.*, Ezekiel, V.*, Atehnkeng, J., Sulyok, M., Turner, P., Tayo, G.*, Krska, R. and Bandyopadhyay, R., in: Environment International, volume 66, pages 138-145, ISSN 0160-4120, 2014. [DOI]
 
Distribution of aflatoxigenic Aspergillus section Flavi in commercial poultry feed in Nigeria, Ezekiel, C. N., Atehnkeng, J., Odebode, C. A.* and Bandyopadhyay, R., in: International Journal of Food Microbiology, volume 189, pages 18-25, ISSN 0168-1605, 2014. [DOI]
 
Field efficacy of a mixture of atoxigenic Aspergillus flavus Link: Fr vegetative compatibility groups in preventing aflatoxin contamination in maize (Zea mays L.), Atehnkeng, J., Ojiambo, P.+, Cotty, P. and Bandyopadhyay, R., in: Biological Control, volume 72, pages 62-70, ISSN 1049-9644, 2014. [DOI]
 

2013

Developing aflasafe, Atehnkeng, J., Augusto, J., Cotty, P. and Bandyopadhyay, R., in: R4D Review, volume 10, pages 43-48, ISSN 2071-3681, 2013.
 

2012

Quantitation of mycotoxins in food and feed from Burkina Faso and Mozambique using a modern LC-MS/MS multitoxin method, Warth, B., Parich, A., Atehnkeng, J., Bandyopadhyay, R., Schuhmacher, R., Sulyok, M. and Krska, R., in: Journal of Agricultural and Food Chemistry, volume 60, number 36, pages 9352-9363, ISSN 0021-8561, 2012. [DOI]
 
Aflasafe in Africa: progress and prospects for biocontrol in aflatoxin mitigation, Bandyopadhyay, R., Atehnkeng, J., Augusto, J., Beed, F., Cassidy, D., Cotty, P., Dubois, T., Hasson, O., Masha, K.*, McDaniel, M., Mignouna, J.*, Mutegi, C., Sandahl, J. and Warrior, P., Abstract, P. 40 in Abstracts of Lectures and Posters, 7th Conference of the World Mycotoxin Forum and 13th IUPAC International Symposium on Mycotoxins and Phycotoxins. 5-9 November 2012, Rotterdam, the Netherlands, 2012.
 

2011

Aspergillus colonization and aflatoxin contamination of maize and sesame kernels in two agro-ecological zones in senegal, Diedhiou, P. M.*, Bandyopadhyay, R., Atehnkeng, J. and Ojiambo, P.+, in: Journal of Phytopathology, volume 159, pages 268-275, ISSN 0931-1785, 2011. [DOI]
 
Biological control; aflasafe overview: Presentation at the USDA/USAID/CDC Aflatoxin Planning Session. 9 August. Nairobi, Kenya., Dubois, T., Bandyopadhyay, R., Atehnkeng, J. and Cotty, P., 2011.
 

2010

Molecular characterization of atoxigenic strains for biological control of aflatoxins in Nigeria, Donner, M., Atehnkeng, J., Sikora, R., Bandyopadhyay, R. and Cotty, P., in: Food Additives and Contaminants: Part A, volume 27, number 5, pages 576-590, ISSN 1944-0049, 2010. [DOI]
 
Mitigation of aflatoxin contamination in Nigerian maize with atoxigenic strain mixtures, Atehnkeng, J., Cotty, P. and Bandyopadhyay, R., Abstract in Phytopathology. Volume 100, no. 6, suppl. 1, p. S8. June, 2010., 2010.
 

2009

Incidence of Aspergillus section Flavi strains and aflatoxin production in some market samples of Dioscorea yam chips from various towns in Nigeria, Akinbade, O. O., Kumar, M., Atehnkeng, J., Adegoke, G. O.*, Kumar, P. L. and Bandyopadhyay, R., 2009.
 

2007

Facing up to food crisis in sub-saharan Africa: the challenges, gaps and role of agricultural policies, Atehnkeng, J., Twizeyimana, M., Olajire, D., Chumboh, G., Lawal, O. I., Mbah, W., Okorogri, B. and Acha, I., International Institute of Tropical Agriculture (IITA), 2007.