Home » Abstracts » Plant and animal Proteomics » Proteome response to flooding stress in Solanum commersonii plants with different ploidy levels

Proteome response to flooding stress in Solanum commersonii plants with different ploidy levels

Plant and animal Proteomics

Abstract #150 Posted on26 March 20259 May 2025 9 May 2025 13h55

Author(s)

Ilaria Battisti (Presenting Author) | Department of Biomedical Sciences, University of Padova | Via Bassi, 58/B, 35131, Padova, Italy
Giulia Rocca | Department of Biomedical Sciences, University of Padova | Via Bassi, 58/B, 35131, Padova, Italy
Carmine Del Regno | Department of Pharmacy, University of Salerno, Italy | Via Giovanni Paolo II, 132, 84084, Fisciano, Italy
Raffaele Garramone | Department of Agricultural Sciences, University of Napoli Federico II | Piazza Carlo di Borbone, 1, 80055, Portici, Italy
Vincenzo D'Amelia | Department of Agricultural Sciences, University of Napoli Federico II | Piazza Carlo di Borbone, 1, 80055, Portici, Italy
Danilo Fabrizio Santoro | Department of Agricultural, Food and Environmental Sciences, University of Perugia | Piazza Università, 1, 06123, Perugia, Italy
Aaron Willis Anderson | Department of Agricultural, Food and Environmental Sciences, University of Perugia | Piazza Università, 1, 06123, Perugia, Italy
daniele Rosellini | Department of Agricultural, Food and Environmental Sciences, University of Perugia | Piazza Università, 1, 06123, Perugia, Italy
Elisa Cappetta | Department of Pharmacy, University of Salerno, Italy | Via Giovanni Paolo II, 132, 84084, Fisciano, Italy
Antonietta Leone | Department of Pharmacy, University of Salerno, Italy | Via Giovanni Paolo II, 132, 84084, Fisciano, Italy
Alfredo Ambrosone | Department of Pharmacy, University of Salerno, Italy | Via Giovanni Paolo II, 132, 84084, Fisciano, Italy
Riccardo Aversano | Department of Agricultural Sciences, University of Napoli Federico II | Piazza Carlo di Borbone, 1, 80055, Portici, Italy
Domenico Carputo | Department of Agricultural Sciences, University of Napoli Federico II | Piazza Carlo di Borbone, 1, 80055, Portici, Italy
Antonio Masi | Department of Agronomy, Food, Natural Resources, Animals and Environment, University of Padova | Viale dell'Università, 16, 35020, Legnaro, Italy
Giorgio Arrigoni | Department of Biomedical Sciences, University of Padova | Via Bassi, 58/B, 35131, Padova, Italy

Abstract

Polyploidy is a common phenomenon in plants that implies changes at the genomic, epigenetic, transcriptional, and metabolic levels, ensuring higher vigor and tolerance to biotic and abiotic stresses. The beneficial effects of ploidy are well-known, however, the biological processes involved in adaptability to stress conditions, especially at the proteomic level, are not fully understood. To elucidate the molecular mechanisms underlying the metabolic response to flooding stress, a label-free proteomic analysis on leaves of diploid (2n=2x=24) and oryzalin-induced tetraploid (2n=4x=48) plants of a wild potato species (Solanum commersonii) was performed, using unstressed plants as a control. Over a total of >3600 reliably quantified proteins, 785 and 507 differentially abundant proteins (DAPs) were identified in response to flooding stress in 2x and 4x samples, respectively, of which 381 were in common. DAPs functional categorization in 2x plants indicated that the most represented biological processes were related to energy metabolism and nucleotide processing, whereas in 4x plants, most DAPs were involved in energy, amino acid, and chlorophyll metabolisms. The comparison between stressed 2x and 4x plants outlined that many DAPs were involved in protein synthesis, folding, and maturation. These results indicate potentially different mechanisms of 2x and 4x plants against flooding and contribute to clarifying the pathways involved in stress tolerance.
Grant 2020HB9PR9 by MUR-PRIN

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Polyploidy is a common phenomenon in plants that implies changes at the genomic, epigenetic, transcriptional, and metabolic levels, ensuring higher vigor and tolerance to biotic and abiotic stresses. The beneficial effects of ploidy are well-known, however, the biological processes involved in adaptability to stress conditions, especially at the proteomic level, are not fully understood. To elucidate the molecular mechanisms underlying the metabolic response to flooding stress, a label-free proteomic analysis on leaves of diploid (2n=2x=24) and oryzalin-induced tetraploid (2n=4x=48) plants of a wild potato species (Solanum commersonii) was performed, using unstressed plants as a control. Over a total of &gt;3600 reliably quantified proteins, 785 and 507 differentially abundant proteins (DAPs) were identified in response to flooding stress in 2x and 4x samples, respectively, of which 381 were in common. DAPs functional categorization in 2x plants indicated that the most represented biological processes were related to energy metabolism and nucleotide processing, whereas in 4x plants, most DAPs were involved in energy, amino acid, and chlorophyll metabolisms. The comparison between stressed 2x and 4x plants outlined that many DAPs were involved in protein synthesis, folding, and maturation. These results indicate potentially different mechanisms of 2x and 4x plants against flooding and contribute to clarifying the pathways involved in stress tolerance.
Grant 2020HB9PR9 by MUR-PRIN

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