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From Field Photosynthesis to Genetic Architecture: Insights from the First Dedicated Photosynthesis Hackathon

Article scientifique 2026 Autre

Résumé

Abstract Photosynthesis is among the most consequential yet genetically complex traits in crop plants, and translating its natural variation into actionable genomic targets remains a central challenge for breeding climate-resilient varieties. To start addressing this, researchers are generating increasingly large, multi-environment field photosynthesis datasets. Yet, these data have been structurally under-analysed since their inception. Here we report the outcomes of the first dedicated hackathon focused on computational mining of such field data held in Accra, Ghana, in March 2026. Bringing together data scientists, plant physiologists, geneticists, and breeders from Europe and Africa, these interdisciplinary teams used photosynthetic data collected with hand-held fluorometers to genome-wide marker data across four crop species: cowpea ( Vigna unguiculata ), barley ( Hordeum vulgare ), common bean ( Phaseolus vulgaris ), and potato ( Solanum tuberosum ). Despite using different species and methods, independent teams identified the same three key findings. First, mechanism-informed feature engineering and dynamic modelling recover genetic signals that are not detected or discarded in standard analysis pipelines, resulting in traits with improved heritability and meaningful associations with yield. Secondly, machine learning methods proved effective at uncovering genetic associations, with temporally resolved features substantially outperforming single time-point measurements. Third, raw chlorophyll fluorescence and absorbance traces consistently contained more information and predictive power than the extracted parameters currently used. A defining feature of this event was having experimentalists and data scientists working together, enabling AI approaches to be grounded in domain knowledge and biological mechanisms rather than relying on data alone.

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Matuszyńska, A., Sansa, O., Adekoya, F., Akinyemi, O., Anokye, E., Bashir, O., Boyny, Z., Chukwuka, M., Corvest, E., Dada, A., Dell’Acqua, M., Ehemba, G., Finkbeiner, A., Hamabwe, S., Hodehou, D., Kacheyo, O., Kamfwa, K., Mhango, K., Abdullahi, W., Munduwe, G., Ntukidem, S., Obisesan, O., Odesina, I., Ogechi, N., Olaoye, O., Olayinka, M., Osei‐Bonsu, I., Rilwan, K., Stival, L., Tehar, Z., Tende, R., To, J., Ugochukwu, U., Unger, A., Aalst, M., Vrbic, D., Zhang, C., Theeuwen, T., Kramer, D., Kromdijk, J. (2026). From Field Photosynthesis to Genetic Architecture: Insights from the First Dedicated Photosynthesis Hackathon. https://doi.org/10.64898/2026.07.24.740625

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Auteur(s)

Anna Matuszyńska Olakunle Sansa Femi James Adekoya Olusegun Olaitan Akinyemi Esther Anokye Olukunle Babatunde Bashir Zsa Zsa Friederique Boyny Mkpuma Kenneth Chukwuka Elouën Corvest Adenike Oluwaseun Dada Matteo Dell’Acqua Georgina Lala Ehemba Andris Justin Finkbeiner Swivia M. Hamabwe Djidjoho A.T. Hodehou Olivia Cynthia Kacheyo Kelvin Kamfwa Kanthu J. Mhango Wajiha Mu’az Abdullahi Gideon Munduwe Solomon Ntukidem Olalekan K Obisesan Ifeoluwa Simeon Odesina Nwogu-Uchenna Ogechi Omotola Dorcas Olaoye Mary Morenike Olayinka Isaac Osei‐Bonsu Kolawale Olalekan Rilwan Leandro Stival Zeynu Tehar Regina Tende Jacky To Uchendu Kelechi Ugochukwu Anika Unger Marvin van Aalst Dominik Vrbic Chao Zhang Tom P. J. M. Theeuwen David Kramer Johannes Kromdijk

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