Recent advances in biocontrol and other alternative strategies for the management of postharvest decay in table grapes

Torres-Palazzolo, Carolina; Ferreyra, Susana; Hugalde, Ines P.; Kuhn, Yamila; Combina, Mariana; Ponsone, Maria Lorena

doi:10.1016/j.ijfoodmicro.2024.110766

International Journal of Food Microbiology

2024

DOI: 10.1016/j.ijfoodmicro.2024.110766

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Recent advances in biocontrol and other alternative strategies for the management of postharvest decay in table grapes

Carolina Torres-Palazzolo,

Susana Ferreyra,

Ines P. Hugalde

et al.

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2024

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Cited by 3 publications

References 99 publications

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Biocontrol efficacy of Botrytis cinerea on postharvest tomato fruit by the endophytic bacterium Bacillus velezensis BE1

Aboelez,

Selim,

Yousef

et al. 2024

Physiological and Molecular Plant Pathology

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Biocontrol efficacy of Botrytis cinerea on postharvest tomato fruit by the endophytic bacterium Bacillus velezensis BE1

Aboelez,

Selim,

Yousef

et al. 2024

Physiological and Molecular Plant Pathology

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Involvement of LaeA and Velvet Proteins in Regulating the Production of Mycotoxins and Other Fungal Secondary Metabolites

Hou,

Liu,

et al. 2024

JoF

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Fungi are rich sources of secondary metabolites of agrochemical, pharmaceutical, and food importance, such as mycotoxins, antibiotics, and antitumor agents. Secondary metabolites play vital roles in fungal pathogenesis, growth and development, oxidative status modulation, and adaptation/resistance to various environmental stresses. LaeA contains an S-adenosylmethionine binding site and displays methyltransferase activity. The members of velvet proteins include VeA, VelB, VelC, VelD and VosA for each member with a velvet domain. LaeA and velvet proteins can form multimeric complexes such as VosA-VelB and VelB-VeA-LaeA. They belong to global regulators and are mainly impacted by light. One of their most important functions is to regulate gene expressions that are responsible for secondary metabolite biosynthesis. The aim of this mini-review is to represent the newest cognition of the biosynthetic regulation of mycotoxins and other fungal secondary metabolites by LaeA and velvet proteins. In most cases, LaeA and velvet proteins positively regulate production of fungal secondary metabolites. The regulated fungal species mainly belong to the toxigenic fungi from the genera of Alternaria, Aspergillus, Botrytis, Fusarium, Magnaporthe, Monascus, and Penicillium for the production of mycotoxins. We can control secondary metabolite production to inhibit the production of harmful mycotoxins while promoting the production of useful metabolites by global regulation of LaeA and velvet proteins in fungi. Furthermore, the regulation by LaeA and velvet proteins should be a practical strategy in activating silent biosynthetic gene clusters (BGCs) in fungi to obtain previously undiscovered metabolites.

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Improving Cuticle Thickness and Quality Traits in Table Grape cv. ‘Italia’ Using Pre-Harvest Treatments

La Spada,

Continella,

Dominguez

et al. 2024

Plants

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Table grape viticulture, due to the impact of climate change, will have to face many challenges in the coming decades, including resistance to pathogens and physiological disorders. Our attention was focused on fruit cracking due to its ubiquitous presence in several species. This study explores the effects of three different treatments on the epidermis and cuticle of table grape berries by evaluating the impact of the girdling technique on various fruit quality parameters, including cuticle thickness, sugar content, acidity, color, bunch weight, and rheological properties. The treatments were (1) calcium chloride (CaCl2), (2) calcium chloride + salicylic acid (CaCl2 + SA), and (3) calcium chloride + Ascophyllum nodosum (CaCl2 + AN), with and without girdling, plus an untreated control. This research was conducted over the 2021–2022 growing season in a commercial vineyard in Licodia Eubea, Sicily, Italy. The results indicate significant variations in cuticle thickness and other qualitative traits throughout the growth and ripening phases, with notable differences depending on the treatment used. This study’s findings suggest that specific treatments can influence the structural integrity of the grape cuticle, potentially impacting the fruit’s susceptibility to cracking and overall marketability. The findings provide valuable insights into the role of chemical treatments and cultural techniques in enhancing fruit quality and resistance to environmental stresses in table grape cultivation.

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Recent advances in biocontrol and other alternative strategies for the management of postharvest decay in table grapes

Cited by 3 publications

References 99 publications

Biocontrol efficacy of Botrytis cinerea on postharvest tomato fruit by the endophytic bacterium Bacillus velezensis BE1

Biocontrol efficacy of Botrytis cinerea on postharvest tomato fruit by the endophytic bacterium Bacillus velezensis BE1

Involvement of LaeA and Velvet Proteins in Regulating the Production of Mycotoxins and Other Fungal Secondary Metabolites

Improving Cuticle Thickness and Quality Traits in Table Grape cv. ‘Italia’ Using Pre-Harvest Treatments

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