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Production, Signaling, and Scavenging Mechanisms of Reactive Oxygen Species in Fruit-Pathogen Interactions.

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TLDR
The role of ROS in fruit defense reactions against pathogens and in fungi pathogenicity during fruit–pathogen interaction is examined and the scavenging systems determining ROS homeostasis are focused on.
Abstract
Reactive oxygen species (ROS) play a dual role in fruit–pathogen interaction, which largely depends on their different levels in cells. Fruit recognition of a pathogen immediately triggers an oxidative burst that is considered an integral part of the fruit defense response. ROS are also necessary for the virulence of pathogenic fungi. However, the accumulation of ROS in cells causes molecular damage and finally leads to cell death. In this review, on the basis of data regarding ROS production and the scavenging systems determining ROS homeostasis, we focus on the role of ROS in fruit defense reactions against pathogens and in fungi pathogenicity during fruit–pathogen interaction.

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Research Progress on Phytopathogenic Fungi and Their Role as Biocontrol Agents.

TL;DR: In this paper, the main advances in research on plant-pathogenic fungi in terms of their pathogenic factors such as cell wall-degrading enzymes, toxins, growth regulators, effector proteins, and fungal viruses, as well as their application as biocontrol agents for plant pests, diseases, and weeds.
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Molecular basis and regulation of pathogenicity and patulin biosynthesis in Penicillium expansum

TL;DR: This work comprehensively summarize the recent research progress, particularly regarding the molecular aspects of pathogenicity, patulin biosynthesis, and the related regulatory mechanisms, as well as control technologies for blue mold rot in the fruit industry.
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Advances and Strategies for Controlling the Quality and Safety of Postharvest Fruit

TL;DR: This paper provides a comprehensive review of recent advances and currently available strategies for maintaining fruit quality and controlling major postharvest pathogens, mainly Botrytis cinerea and Penicillium expansum, which may promote sustainable and environmental-friendly development of the fruit industry.
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Luteolin-induced activation of the phenylpropanoid metabolic pathway contributes to quality maintenance and disease resistance of sweet cherry.

TL;DR: Luteolin is a promising alternative for maintaining better fruit quality and ameliorating disease resistance and biochemical assays revealed that luteolin activated the phenylpropanoid metabolic pathway and improved antioxidants capacity, thereby elevating total anthocyanin and flavonoid contents.
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UHPLC-Q-TOF/MS-Based Metabolomics Approach Reveals the Antifungal Potential of Pinocembroside against Citrus Green Mold Phytopathogen

TL;DR: Current findings provide a new perception into the antifungal mechanism of PiCB treatment in inhibiting P. digitatum growth through membrane peroxidation.
References
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Journal ArticleDOI

The plant immune system

TL;DR: A detailed understanding of plant immune function will underpin crop improvement for food, fibre and biofuels production and provide extraordinary insights into molecular recognition, cell biology and evolution across biological kingdoms.
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REACTIVE OXYGEN SPECIES: Metabolism, Oxidative Stress, and Signal Transduction

TL;DR: The mechanisms of ROS generation and removal in plants during development and under biotic and abiotic stress conditions are described and the possible functions and mechanisms for ROS sensing and signaling in plants are compared with those in animals and yeast.
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Mitochondria, Oxidants, and Aging

TL;DR: The evidence is reviewed that both supports and conflicts with the free radical theory of aging and the growing link between mitochondrial metabolism, oxidant formation, and the biology of aging is examined.
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Superoxide Radical and Superoxide Dismutases

TL;DR: O2- oxidizes the [4Fe-4S] clusters of dehydratases, such as aconitase, causing-inactivation and release of Fe(II), which may then reduce H2O2 to OH- +OH..
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Plant hormone-mediated regulation of stress responses.

TL;DR: The intricate web of crosstalk among the often redundant multitudes of signaling intermediates is just beginning to be understood and future research employing genome-scale systems biology approaches to solve problems of such magnitude will undoubtedly lead to better understanding of plant development.
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