Deep learning for Fabaceae identification by integrating molecular and morphological data and a solution for barcode selection

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Main Authors: Kawtar Lhayani, Karim Rabeh, Leila Medraoui
Format: Artículo Open Access
Published: Wiley 2025
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author Kawtar Lhayani
Karim Rabeh
Leila Medraoui
author_facet Kawtar Lhayani
Karim Rabeh
Leila Medraoui
Kawtar Lhayani
Karim Rabeh
Leila Medraoui
collection Wiley Open Access
contents Deep learning for Fabaceae identification by integrating molecular and morphological data and a solution for barcode selection Kawtar Lhayani Karim Rabeh Leila Medraoui Journal of Systematics and Evolution Abstract Identification of Fabaceae family plants traditionally relies on either morphological traits or DNA barcoding, each with limitations in accuracy and efficiency. Deep learning has emerged as a promising tool for integrating multiple data sources, but its full potential remains underexplored. This study aimed to utilize a deep learning model that integrates morphological and molecular data for species identification within the Fabaceae family, bridging the gap between the two methods of identification. The research involved four main phases: (i) data collection; (ii) data preprocessing; (iii) training and testing the model; and (iv) analysis of results. The data comprised DNA barcode sequences retrieved from the BOLD database, and images were collected from different websites. The model was trained for identification on the genera and species levels, with two different barcodes: ITS2 and matK+rbcL . Only species with four available copies of ITS2, matK , and rbcL sequences were selected to ensure consistent input across samples. The final data set included seven genera and 21 species. While the model achieved high accuracy during training, test accuracy remained low (14%–19%), indicating overfitting, likely due to the limited data set size. However, the model demonstrated the ability to evaluate barcode discrimination across genera. Specifically, it highlighted ITS2 and matK+rbcL as having varying levels of effectiveness depending on the genus. These findings introduce a new application for deep learning in plant systematics not only for species identification but also for evaluating barcodes. This approach could help reduce the reliance on trial‐and‐error in barcode selection and enhance the efficiency of molecular taxonomy. 10.1111/jse.70021 http://onlinelibrary.wiley.com/termsAndConditions#vor
doi_str_mv 10.1111/jse.70021
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spellingShingle Deep learning for Fabaceae identification by integrating molecular and morphological data and a solution for barcode selection
Kawtar Lhayani
Karim Rabeh
Leila Medraoui
Journal of Systematics and Evolution
Deep learning for Fabaceae identification by integrating molecular and morphological data and a solution for barcode selection Kawtar Lhayani Karim Rabeh Leila Medraoui Journal of Systematics and Evolution Abstract Identification of Fabaceae family plants traditionally relies on either morphological traits or DNA barcoding, each with limitations in accuracy and efficiency. Deep learning has emerged as a promising tool for integrating multiple data sources, but its full potential remains underexplored. This study aimed to utilize a deep learning model that integrates morphological and molecular data for species identification within the Fabaceae family, bridging the gap between the two methods of identification. The research involved four main phases: (i) data collection; (ii) data preprocessing; (iii) training and testing the model; and (iv) analysis of results. The data comprised DNA barcode sequences retrieved from the BOLD database, and images were collected from different websites. The model was trained for identification on the genera and species levels, with two different barcodes: ITS2 and matK+rbcL . Only species with four available copies of ITS2, matK , and rbcL sequences were selected to ensure consistent input across samples. The final data set included seven genera and 21 species. While the model achieved high accuracy during training, test accuracy remained low (14%–19%), indicating overfitting, likely due to the limited data set size. However, the model demonstrated the ability to evaluate barcode discrimination across genera. Specifically, it highlighted ITS2 and matK+rbcL as having varying levels of effectiveness depending on the genus. These findings introduce a new application for deep learning in plant systematics not only for species identification but also for evaluating barcodes. This approach could help reduce the reliance on trial‐and‐error in barcode selection and enhance the efficiency of molecular taxonomy. 10.1111/jse.70021 http://onlinelibrary.wiley.com/termsAndConditions#vor
title Deep learning for Fabaceae identification by integrating molecular and morphological data and a solution for barcode selection
topic Journal of Systematics and Evolution
url https://onlinelibrary.wiley.com/doi/10.1111/jse.70021