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New Approaches to Plant Pathogen Detection and Disease Diagnosis

Authors: Jaime Cubero, Pablo J. Zarco-Tejada, Sara Cuesta-Morrondo, Ana Palacio-Bielsa, Juan A. Navas-Cortés, Pilar Sabuquillo, Tomás Poblete, Blanca B. Landa, and Jerson Garita-Cambronero
Date Published: 12/09/2024
DOI: https://doi.org/10.1094/PHYTO-10-23-0366-IA
Repository link: http://hdl.handle.net/10261/372029

Abstract

Detecting plant pathogens and diagnosing diseases are critical components of successful pest management. These key areas have undergone significant advancements driven by breakthroughs in molecular biology and remote sensing technologies within the realm of precision agriculture. Notably, nucleic acid amplification techniques, with recent emphasis on sequencing procedures, particularly next-generation sequencing, have enabled improved DNA or RNA amplification detection protocols that now enable previously unthinkable strategies aimed at dissecting plant microbiota, including the disease-causing components. Simultaneously, the domain of remote sensing has seen the emergence of cutting-edge imaging sensor technologies and the integration of powerful computational tools, such as machine learning. These innovations enable spectral analysis of foliar symptoms and specific pathogen-induced alterations, making imaging spectroscopy and thermal imaging fundamental tools for large-scale disease surveillance and monitoring. These technologies contribute significantly to understanding the temporal and spatial dynamics of plant diseases.

Landscape and environmental drivers of plant health decline during an active invasion of Xylella fastidiosa Wells et al. in Mediterranean agroecosystems

Authors: Ricardo Enrique Hernández-Lambraño, Francisco José Ruiz-Gómez, Montserrat Vilà, Blanca B. Landa, Rocío Hernández-Clemente, María Fernández-Bravo, Enrique Quesada-Moraga, Concepción Olivares-Garcia, Pablo González-Moreno

Date: 27/08/26

Invasive plant pathogens, such as Xylella fastidiosa (Xf), pose a major threat to global agricultural and natural ecosystems, yet their impacts are rarely assessed across agro–natural interfaces where plant diversity, landscape structure and environmental stress...

A metabolic model based on a pangenome core reveals putative conserved biochemical features of the phytopathogen Xylella fastidiosa

Authors: Paola Corbín-Agustí a , Miguel Álvarez-Herrera a , Miguel Román-Écija b , Patricia Álvarez a , Marta Tortajada c , Blanca B. Landa b , Juli Peretó a d

Date: 11/07/26

Xylella fastidiosa is a xylem-limited phytopathogenic bacterium responsible for severe diseases in many economically important crops. Despite its impact, its metabolism remains poorly characterized due to fastidious growth and the limited availability of defined...