Alejandro Castro‐Cegrí

The ga3ox1b mutation reveals the crosstalk between gibberellin and other phytohormones in controlling the growth and development of female flowers in Cucurbita pepo

Keshav Kant Gautam, María Segura, Alicia García, Alejandro Castro‐Cegrí et autres

Cucurbita pepo is a monoecious species with female and male unisexual flowers on the same plant. The large size of its flowers makes this species a model for studying the regulation of sex determination and sex-associated developmental traits. Because male flowers appear …

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Metabolomic Insights into Apple Responses to Sepiolite-Based Active Packaging and Modified Atmosphere Storage for Shelf-Life Extension

Alejandro Castro‐Cegrí, Maria Chiara Fontanella, Pier Paolo Becchi, Chiara Mussio et autres

Abstract The development of innovative and sustainable postharvest strategies to preserve fruit quality is a major challenge in the fresh produce chain. In this study, we evaluated a chitosan–cassava starch film enriched with sepiolite, used as an active packaging, alone and combined …

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Genome-Wide Methylation and Transcriptomic Analyses Reveal Hormonal Crosstalk in Ethylene-Mediated Parthenocarpy of Zucchini

Alicia García, Flavio Gabrieli, María Segura, Alejandro Castro‐Cegrí et autres

Abstract Parthenocarpy is a valuable trait for greenhouse squash production, but the molecular basis of fruit set without pollination or fertilization remains unclear. The ethylene-insensitive etr2b mutation confers parthenocarpic fruit development, indicating that ethylene acts as a negative regulator of fruit set. …

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Effect of Non-Microbial Biostimulants on Metabolome, Quality Traits, and Shelf-Life of Lettuce Under Field Conditions

Alejandro Castro‐Cegrí, Maria Chiara Fontanella, Giulia Fappani, Manuela Delpero et autres

Abstract Plant-based biostimulants are sustainable tools widely applied in agriculture to enhance plant physiology and stress resilience. Shelf-life extension has a pivotal role in postharvest as low-temperature storage of lettuce ( Lactuca sativa L.) often results in weight loss, surface damage, and …

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Selenium nanoparticles enhance plant tolerance to salinity and protect from postharvest fungal infection

Sandra Sierra, Mariano Ortega‐Muñoz, Patricia Sánchez, Alejandro Castro‐Cegrí et autres

Nanotechnology is an emerging alternative to conventional phytochemicals for improving crop productivity and maintaining the postharvest fruit quality sustainably. In this work, selenium nanoparticles (SeNPs) were synthesized by reduction of sodium selenite with ascorbic acid and stabilized with the natural polysaccharide dextrin. …

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A Genome-Wide Association Study Reveals QTLs and Candidate Genes Associated with the Carotenoid Content in the Flesh of Cucurbita pepo L. Fruit

Anaïs Lopez, Alicia García, Alejandro Castro‐Cegrí, Álvaro Benítez et autres

Considering the importance of carotenoids in the human diet, their enhancement is a key trait in current breeding programs. This study assessed lutein, zeaxanthin, α-carotene, and β-carotene levels in the flesh of mature fruits from 257 global C. pepo accessions. Lutein and …

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Tissue-specific metabolic and phenolic profiling of onion (Allium cepa L.) in response to nutrient deficiency

Alejandro Castro‐Cegrí, Leilei Zhang, Pascual García-Pérez, Gökhan Zengin et autres

Nutrient availability plays a crucial role in plant metabolism, but its tissue-specific effects in onions (Allium cepa L.) remain poorly understood. This study aimed to elucidate the hierarchical effects of reduced nutrient supply on the metabolic profile of onion tissues, i.e., leaves, …

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The riboflavin-mediated reprogramming of specialized metabolites enhances postharvest cold tolerance and functional traits of zucchini fruits

Alejandro Castro‐Cegrí, Pascual García-Pérez, Dolores Garrido, Francisco Palma et autres

Shelf-life extension has a pivotal role in postharvest since fruits are cold-stored to slow down respiration and metabolic processes associated with degradation. When stored at low temperatures, zucchini fruits (Cucurbita pepo L.) are prone to chilling injury, which causes surface damage and …

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BSAseq analysis reveals two major QTLs contributing to postharvest cold tolerance in Cucurbita pepo

Alejandro Castro‐Cegrí, Alicia García, Francisco Palma, Cecilia Martínez et autres

Zucchini has a subtropical origin, therefore, physiological disorders such as chilling injury (CI) appear when the fruit is stored at low temperatures. This affects the quality and shelf life of these commodities. Cold tolerance throughout this period depends on the variety; Natura …

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Biochemical, photosynthetic and metabolomics insights of single and combined effects of salinity, heat, cold and drought in Arabidopsis

Elena Secomandi, Marco Armando De Gregorio, Alejandro Castro‐Cegrí, Luigi Lucini

Abstract Ensuring food security is one of the main challenges related to a growing global population under climate change conditions. The increasing soil salinity levels, drought, heatwaves, and late chilling severely threaten crops and often co‐occur in field conditions. This work aims …

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Selenium nanoparticles enhance plant tolerance to salinity and protect from postharvest fungal infection

Sandra Sierra, Mariano Ortega‐Muñoz, Patricia Sánchez, Alejandro Castro‐Cegrí et autres

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Riboflavin improves postharvest cold tolerance in zucchini fruit inducing non-enzymatic antioxidant response and phenolic metabolism

Alejandro Castro‐Cegrí, Alicia García, Dolores Garrido, Francisco Palma

content, but the enzymatic antioxidant defense did not change significantly. This response is due to a rise of non-enzymatic antioxidant defense, by accumulating metabolites like ascorbate and carotenoids, as well as inducing phenolic metabolism. The application of this vitamin enhanced the phenolic …

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