Transcriptomic analysis of the fungal pathogen Fusarium oxysporum f. sp. albedinis (Foa) during colonization of date palm reveals distinct temporal transcriptional trajectories and uncovers novel candidate effectors
Year: 2026
Type: article
Abstract: Background: (Foa), represents a major threat to date palm cultivation and oasis ecosystems. Understanding the molecular mechanisms underlying Foa infection is essential for developing effective control strategies. Methods: In this study, we performed a temporal transcriptomic analysis of three Foa isolates (FoaER10, FoaER20, and FoaZG10) during colonization of date palm roots at four infection stages (0, 8, 16, and 24 days post-inoculation). Results: Differential gene expression analysis revealed extensive and stage-dependent transcriptional reprogramming, with the number of significant differentially expressed genes ranging from 4,914 to 6,895 per isolate, and 8,453 unique genes significantly differentially expressed across the three isolates. Comparative analysis identified a core set of 1,079 consistently up-regulated and 123 down-regulated genes, alongside 2,376 genes showing opposite regulation directions between isolates. Functional annotation highlighted carbohydrate-active enzymes (CAZymes), MFS membrane transporters, and candidate effectors including necrosis-inducing-like proteins (NLPs), Hce2/Ecp2, and SIX proteins. Discussion: This study provides a comprehensive transcriptomic resource for understanding Foa-date palm interactions and establishes a foundation for targeted disease management strategies.
Source: Frontiers in Plant Science
Institutions: Université Mohammed VI Polytechnique, Cadi Ayyad University
Language: English
Subfield: Plant Science
Domain: Life Sciences
SDG: Zero hunger
Open Access status: gold
Estimated APC paid: $3,801
OpenAlex ID: W7223102390