Green Leaf Volatiles: A Crucial Mediator of Plant

Chiranjit Mukherjee
Department of Botany, Chandernagore College, Chandernagore-712136, West Bengal, India
OrchideID Icon https://orcid.org/0009-0008-8034-7667

Published online:30 June, 2024

DOI: https://doi.org/10.52756/lbsopf.2024.e02.011

Keywords: Green Leaf Volatiles (GLVs), Volatile Organic Compounds (VOCs), Plant Defense

Abstract:

Plants have evolved different defense strategies to counter biotic and abiotic threats coming from their surroundings. The role of different emitted volatile organic compounds (VOCs) in plant defense has been the field of active research in the last decades. Green leaf volatiles (GLVs), emitted from the vegetative parts of the plant body have appeared as the utmost crucial mediator in defense and plant-to-plant communications. GLVs are formed through the oxidation of polyunsaturated fatty acids (PUFAs) by the action of lipoxygenase (LOX) enzyme. The plasma membrane has been the source of all PUFAs in GLV biosynthesis. The enzyme hydroperoxide lyase (HPL), performs a crucial role in GLV formations by producing different volatile aldehydes. Upon herbivory, plants are found to release more amount of GLVs which can able to elicit the expression of different defense-related genes, and thus indirect defense against the herbivory can be achieved. Emitted GLVs can induce the defense mechanism in neighbouring plants by priming method. GLVs also showed antagonistic effects on invading phytopathogens, especially against the invading fungi. Despite its tremendous potential as a defense mediator the molecular mechanisms of GLV uptake and perception in plants have not been well understood.

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Life as Basic
Science: An Overview and Prospects for the Future Volume: 2

How to Cite
Chiranjit Mukherjee (2024). Green Leaf Volatiles: A Crucial Mediator of Plant. © International Academic Publishing House (IAPH), Dr. Somnath Das, Dr. Latoya Appleton, Dr. Jayanta Kumar Das, Madhumita Das (eds.), Life as Basic Science: An Overview and Prospects for the Future Volume: 2, pp. 131-137. ISBN: 978-81-969828-6-7 DOI: https://doi.org/10.52756/lbsopf.2024.e02.011

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