Journal
SCIENCE OF THE TOTAL ENVIRONMENT
Volume 890, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.scitotenv.2023.164352
Keywords
Plant; Phyllosphere microbial community; Particulate matter; Plant -microbe associations
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Particulate matter (PM) pollution poses a significant risk to ecosystems, especially plants which cannot move away. Microorganisms in the phyllosphere can help plants cope with pollutants and stressors. Plant-microbe symbiosis in the phyllosphere affects host survivability and efficiency, but it can also have disadvantages such as the loss of symbiotic organisms and inducing disease.
Particulate matter (PM) pollution poses a significant risk to many ecosystems; as sessile organisms, plants are at particular risk from PM pollution since they cannot move away from it. Microorganisms are essential components of ecosystems that can help macro-organisms to cope with pollutants (such as PM). In the phyllosphere (the aerial/above-ground parts of plants colonized by microbial communities), plant-microbe associations have been found to promote plant development while also increasing host resilience to biotic and abiotic stressors. This review discusses how plant-microbe symbiosis in the phyllosphere potentially affects host survivability and efficiency in the face of pollution and factors such as climate change. Evidence is presented that plant-microbe associations can be beneficial, such as by degrading pollutants, yet also bring disadvantages, such as causing the loss of symbiotic organisms and/or inducing disease. It is suggested that plant genetics is a fundamental driver of the phyllosphere microbiome assembly, connecting phyllosphere microbiota to plant health management in adverse conditions. Finally, potential ways that essential community ecological processes might influence plant-microbe partnerships in the face of Anthropocene-linked changes and what this might mean for environmental management are discussed.
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