Benoît Bizimungu, PhD

Image BENOIT BIZIMUNGU
Chercheur

Conservateur de  la Banque de gènes de pommes de terre du Canada

  • variation génétique
  • culture in vitro
  • développement de cultivars
  • sélection
  • systèmes de sélection
  • sélection et reproduction des plantes
  • pomme de terre
  • sélection assistée par marqueurs d'ADN

 

Recherche et / ou projets en cours

  • Développement et distribution à l'industrie de nouvelles variétés de pommes de terre destinées aux marchés de la transformation et du frais affichant une résistance accrue aux maladies et aux organismes nuisibles et adaptées aux systèmes de production en terrain irrigué
  • Élaboration et distribution à l'industrie de nouvelles sélections de pommes de terre destinées aux marchés de la transformation et du frais affichant une résistance améliorée aux maladies et aux organismes nuisibles et adaptées aux systèmes de production en culture sèche
  • Développement d'une « avoine de haute qualité » pour l'Ouest canadien
  • Sélection de la stabilité à basse temperature assistée par marqueurs
  • Consortium projet A pour la pomme de terre de l'Ouest - développement de variétés

Principales publications

  1. https://agbio.usask.ca/soilsncrops/

    2024 - Consulter les détails de la publication

  2. INV-20290 - Drought resistance genes in diploid potatoes

    2023 - Consulter les détails de la publication

  3. INV-20301 - Non browning gene-edited potatoes

    2023 - Consulter les détails de la publication

  4. Potato Greening through ‘omics approaches

    2023 - Consulter les détails de la publication

  5. Diploid potatoes in changing climate biotic and abiotic challenges

    2023 - Consulter les détails de la publication

  6. De Koeyer, D., R. Morgan, E. Fava, K. Gardner, B. Bizimungu, and H. Tai. 2023. Genomic prediction and association analysis in the Agriculture and Agri-Food Canada Potato Breeding Program. p. 33. In: Northeast Potato Technology Forum 2023 Conspectus. March 21-22, Fredericton, NB

    2023 - Consulter les détails de la publication

  7. Bizimungu, B. 2023. Development of a core collection of heirloom and heritage potato varieties for use in breeding, research and education. Conspectus of the 2023 Northeast Potato Technology Forum, Fredericton, New Brunswick, March 21-22, 2023 (Abstract).

    2023 - Consulter les détails de la publication

  8. Bizimungu, B. and Steeves, S. 2023. Potato Gene Resources Newsletter 2022/2023, No. 29, 22p.ISSN No. 1496-497X AAFC No. 13157E Catalogue no. A47-8E-PDF .

    2023 - Consulter les détails de la publication

  9. Bizimungu, B. 2023. Biodiversity of bioactive compounds in potato- a member of the Solanaceae family. International Plant and Animal Genome-PAG30, January 13-18, 2023, San Diego, CA, USA (Abstract).

    2023 - Consulter les détails de la publication

  10. De Koeyer, D., B. Bizimungu, M. Antoun, L. Jewell, E. Fava, and R. Morgan. 2022. The use of genetic resistance to control potato wart caused by Synchytrium endobioticum – a Canadian perspective. Canadian Society of Horticultural Science Annual Meeting, August 19-20, 2022 Halifax, NS

    2022 - Consulter les détails de la publication

  11. Mutational Genetics In Diploid Potato In The CRISPR Era
    Fofana, B.*1, A. Somalraju1, D. Main1, M. Zaidi1, B. Bizimungu2
    1Charlottetown Research and Development Centre, Agriculture and Agri-Food Canada, 440 University Avenue, Charlottetown, Prince Edward Island, C1A 4N6, Canada; 2Fredeicton Research and Development Centre, Agriculture and Agri-Food Canada, 95 Innovation Road, PO Box 20280, Fredericton, NB E3B 4Z7
    Cultivated potato (Solanum tuberosum L.) is the fourth most consumed food crop after rice wheat and maize. Cultivated potato is a clonally propagated, autotetraploid crop species with a narrow genetic diversity. Its highly heterozygous, complex genome, and tetrasomic inheritance make its genetic studies and improvement more difficult than grain crops. Recently, diploid potato breeding has regained an interest in the potato genetics community. Genetically, diploid potatoes are easy to work with, can be used as gene donors in the breeding process of cultivated potatoes, and can also be grown on their own as varieties. However, diploid breeding continuum faces many challenges including anti-nutritional factors and self-incompatibilities. Mutations are known as the key drivers for evolution and diversification in plants. In breeding and varietal selection, sources for variation are always sought as starting materials, and in the absence of desired natural variations in breeding populations, targeted or random mutagenesis is applied to induce variations. Recently, a mutagenized pre-breeding diploid potato population was developed at AAFC Charlottetown. Dr. Fofana will give an update on this genetic resource, its characterization, and its potentials in the CRISPR era.

    2022 - Consulter les détails de la publication

  12. Potato greening: gaining an understanding through ‘omics approaches
    K. Dougherty1, T. F. Mitterboeck1*, M. Lague1, M. Zaidi2, B. Bizimungu1, and B. Fofana2. 1Agriculture and Agri-Food Canada, Fredericton, New Brunswick, Canada E3B 4Z7 (e-mail:fatima.mitterboeck@agr.gc.ca); and 2Agriculture and Agri-Food Canada, Charlottetown, Prince Edward Island, Canada C1A 4N6.

    Potato ‘greening’ occurs when tubers are exposed to light, and results from a de novo synthesis of chlorophyll and a simultaneous formation of steroidal glycoalkaloids, which are toxic to humans and animals. Potato is the largest vegetable crop in Canada, and this greening causes substantial loss of products. Currently, there are no potato cultivars that are resistant to light–induced greening available on the market. The goal of this study is to understand the genetic components and molecular mechanisms of light-induced greening, and to use this knowledge to develop gene-editing tools to generate cultivars resistant to greening. From a core germplasm collection of over 800 mutant potato clones, two clones were observed to be tolerant to light-induced greening. These two non-greening clones, along with a greening control, underwent whole genome sequencing as well as transcriptomic sequencing after light exposure. Here, we will show our findings on single nucleotide polymorphisms (SNPs) and structural variants (SV) that differentiate the non-greening from greening clones. Deploying the non-greening trait into popular potato cultivars would be of high interest to the industry and stakeholders both for tuber appearance, quality, safety, marketability, and food waste reduction.

    2022 - Consulter les détails de la publication

  13. Bizimungu, B. 20222. Genetic resources and their use to enhance the nutritional potential of potato. Canadian Society for Horticultural Science Annual Conference , Halifax 2022/08/18 - 2022/08/20 (Abstract).

    2022 - Consulter les détails de la publication

  14. Fighting against potato greening
    Louis G. Sebarese LG1, Mohsin Zaidi1, Christian Lacroix2, Fatima Mitterboek3, Benoit Bizimungu3, and Bourlaye Fofana1
    1Charlottetown Research and Development Centre, Agriculture and Agri-Food Canada, 440 University Avenue, Charlottetown, Prince Edward Island, C1A 4N6, Canada
    2University of Prince Edward Island, 550 University Avenue, Charlottetown, Prince Edward Island, C1A 4P3, Canada
    3Fredericton Research and Development Centre, Agriculture and Agri-Food Canada, Fredericton, New Brunswick, E3B 4Z7, Canada
    Potato is the largest vegetable crop in Canada, with an export value of $1.8B in 2019. As a major food source, potato nutritional quality and safety are critical for the public health. Potato greening, also known as potato sunburn, causes 2-3% loss at the farm gate and up to 17% during postharvest and retail storage. It results from a de novo synthesis of chlorophyll in the cortical parenchyma cells under the periderm after light exposure and leads to a simultaneous formation of toxic steroidal glycoalkaloids (SGAs). Whereas chlorophyll itself is not a health hazard, SGAs are toxic to humans and animals. Development of potato cultivars that are resistant to light-induced greening is a viable strategy for an economic and environmental sustainability. We will present and discuss our approach and preliminary results towards an understanding of the tuber greening phenomenon in potato.

    2022 - Consulter les détails de la publication

  15. Bizimungu, B & Soucy, S. 2021. Potato Gene Resources Newsletter 2020/2021, No. 27

    2021 - Consulter les détails de la publication

  16. Bizimungu, B. 2021. Reputed Flavours in Heritage Potato Varieties-Implications for research. The North East Potato Technology Forum (NEPTF) 2021. March 23 and 24, 2021, Fredericton, N.B. (Abstract).

    2021 - Consulter les détails de la publication

  17. Liyanage, D.W.K., Yevtushenko, D.P., Konschuh, M., Bizimungu, B., Lu, Z.X. (2021). Processing strategies to decrease acrylamide formation, reducing sugars and free asparagine content in potato chips from three commercial cultivars. Food Control, [online] 119 http://dx.doi.org/10.1016/j.foodcont.2020.107452

    2021 - Consulter les détails de la publication

  18. Crop Breed Genet Genom. 2020;2(4):e200017. https://doi.org/10.20900/cbgg20200017

    2020 - Consulter les détails de la publication

  19. Chen, D., Nahar, K., Bizimungu, B., Soucy, S., Peters, R.D., De Koeyer, D., Dickison, V. (2020). A Simple and Efficient Inoculation Method for Fusarium Dry Rot Evaluations in Potatoes. American Journal of Potato Research, [online] 97(3), 265-271. http://dx.doi.org/10.1007/s12230-020-09774-4

    2020 - Consulter les détails de la publication

  20. Tai, H.H., Lagüe, M., Thomson, S., Aurousseau, F., Neilson, J., Murphy, A., Bizimungu, B., Davidson, C., Deveaux, V., Bègue, Y., Wang, H.Y., Xiong, X., Jacobs, J.M.E. (2020). Tuber transcriptome profiling of eight potato cultivars with different cold-induced sweetening responses to cold storage. Plant Physiology and Biochemistry, [online] 146 163-176. http://dx.doi.org/10.1016/j.plaphy.2019.11.001

    2020 - Consulter les détails de la publication

Installation de recherche

95 chemin Innovation
PO Box 20280
Fredericton, NB E3B 4Z7
Canada

Langue

Anglais
Français