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Alejandro Pérez-de-Luque

Alejandro Pérez-de-Luque

University of Sheffield, United kingdom

Title: Belowground interactions between mycorrhiza and rhizobacteria prime above ground wheat defence

Biography

Alejandro Pérez-de-Luque is a plant researcher and agronomist, interested in resistance of plants against phytopathogens (parasitic plants, fungi, etc.). He started his career back in 1994, during the universitary studies, as undergraduate assistant in the Department of Biochemistry and Molecular Biology at the University of Córdoba (Spain). After getting the degree in Agronomical Engineering, he received a grant for PhD studies in the Department of Genetic at the University of Córdoba. He has been working in different institutes and researching centers in Spain, UK and Israel, and has been awarded contracts from the \\\\\\\\\\\\\\\'Juan de la Cierva\\\\\\\\\\\\\\\' and \\\\\\\\\\\\\\\'Ramon y Cajal\\\\\\\\\\\\\\\' Spanish post-doc programmes. He is a permanent researcher in the Department of Plant Breeding and Biotechnology at the IFAPA since 2009, and he held a two years Marie Curie Intra-European Fellowship at the University of Sheffield

Abstract

Plant breeding for resistance genes and chemical treatments are currently the main strategies to control plant diseases. However, withdrawal of agrochemicals under new EU legislation and co--‐evolution of diseases to overcome crop resistance genes have increased the need to find alternative means to improve crop disease management. Disease suppression by root colonizing non--‐pathogenic microorganisms has been Recognized as a promising long--‐term strategy. Beneficial rhizosphere--‐colonizing microorganisms, such as arbuscular mycorrhiza fungi (AMF) and plant growth--‐promoting rhizobacteria (PGPR), can prime the plant immune system against pathogen attack (Cameron et al., 2013). However, the complexity of the plant root microbiome has hampered wide--‐ranging exploitation of these biocontrol organisms in current crop protection schemes. In this work, we have evaluated the interaction between two beneficial microorganisms, a mycorrhizal fungus (Glomus intraradices) and a plant growth promoting rhizobacterial strain (Pseudomonas putida) and investigated the mechanisms by which these microbes synergistically prime wheat (Triticum aestivum) for enhanced defensive responses.