Plant diseases pose a substantial threat to food availability, accessibility, and security as they account for economic losses of nearly $300 billion on a global scale. Although various strategies exist to reduce the impact of diseases, they can introduce harmful chemicals to the food chain and have an impact on the environment. Therefore, it is necessary to understand and exploit the plants' immune systems to control the spread of pathogens and enable sustainable agriculture. Recently, growing pieces of evidence suggest a functional myriad of lipids to be involved in providing structural integrity, intracellular and extracellular signal transduction mediators to substantial cross-kingdom cell signaling at the host-pathogen interface. Furthermore, some pathogens recognize or exchange plant lipid-derived signals to identify an appropriate host or development, whereas others activate defense-related gene expression. Typically, the membrane serves as a reservoir of lipids. The set of lipids involved in plant-pathogen interaction includes fatty acids, oxylipins, phospholipids, glycolipids, glycerolipids, sphingolipids, and sterols. Overall, lipid signals influence plant-pathogen interactions at various levels ranging from the communication of virulence factors to the activation and implementation of host plant immune defenses. The current review aims to summarize the progress made in recent years regarding the involvement of lipids in plant-pathogen interaction and their crucial role in signal transduction.

Department of Botany Hansraj College University of Delhi New Delhi 110007 India

EVA4 0 Unit Faculty of Forestry and Wood Sciences Czech University of Life Sciences Kamýcká 129 Suchdol 165 21 Prague 6 Czech Republic

Excelentní Tým pro Mitigaci Faculty of Forestry and Wood Sciences Czech University of Life Sciences Kamýcká 129 Suchdol 165 21 Prague 6 Czech Republic

International Centre for Genetic Engineering and Biotechnology Aruna Asaf Ali Marg New Delhi 110067 India

Molecular Biology Research Lab Department of Zoology Deshbandhu College University of Delhi Kalkaji New Delhi 110019 India

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Genome-Wide Transcriptomic and Metabolomic Analyses Unveiling the Defence Mechanisms of Populus tremula against Sucking and Chewing Insect Herbivores

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