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Down-regulation of Fra a 1.02 in strawberry fruits causes transcriptomic and metabolic changes compatible with an altered defense response

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Horticulture Research 2021年第1期8卷 777-789页

作者： Begona Orozco-Navarrete Jina Song Ana Casanal rosangela sozzani Victor Flors Jose F.Sanchez-Sevilla Johanna Trinkl Thomas Hoffmann Catharina Merchante Wilfried Schwab Victoriano Valpuesta Laboratorio de Bioquimica y Biotecnologia Vegetal Instituto de Hortofruticultura Subtropical y Mediterranea(IHSM)Universidad de Malaga-Consejo Superior de Investigaciones CientificasDepartamento de Biologia Molecular y BioquimicaFacultad de CienciasUMAMalagaSpain Department of Plant and Microbial Biology North Carolina State UniversityRaleighNCUSA Metabolic Integration and Cell Signalling Group Plant Physiology SectionDepartment of Ciencias Agrarias y del Medio NaturalUniversitat Jaume ICastelloSpain Departamento de Genomica y Biotecnologia IFAPAMalagaSpain Biotechnology of Natural Products Technische Universität MünchenLiesel-Beckmann-Str.185354 FreisingGermany

The strawberry Fra a 1 proteins belong to the class 10 Pathogenesis-Related(PR-10)*** strawberry,a large number of members have been identified,but only a limited number is expressed in the *** this organ,Fra a 1.01 and Fra a 1.02 are the most abundant Fra proteins in the green and red fruits,respectively,however,their function remains *** know the function of Fra a 1.02 we have generated transgenic lines that silence this gene,and performed metabolomics,RNA-Seq,and hormonal *** studies associated Fra a 1.02 to strawberry fruit color,but the analysis of anthocyanins in the ripe fruits showed no diminution in their content in the silenced *** ontology(GO)analysis of the genes differentially expressed indicated that oxidation/reduction was the most represented biological *** state was not apparently altered since no changes were found in ascorbic acid and glutathione(GSH)reduced/oxidized ratio,but GSH content was reduced in the silenced *** addition,a number of glutathione-S-transferases(GST)were down-regulated as result of Fra a *** highly represented GO category was transport which included a number of ABC and MATE *** the regulatory genes differentially expressed WRKY33.1 and WRKY33.2 were down-regulated,which had previously been assigned a role in strawberry plant defense.A reduced expression of the VQ23 gene and a diminished content of the hormones JA,SA,and IAA were also *** data might indicate that Fra a 1.02 participates in the defense against pathogens in the ripe strawberry fruits.

关键词： straw content fruits

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Tissue Regeneration with Hydrogel Encapsulation: A Review of Developments in Plants and Animals

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BioDesign Research 2021年第1期2021卷 70-78页

作者： Srikumar Krishnamoorthy Michael F.Schwartz Lisa Van den Broeck Aitch Hunt Timothy J.Horn rosangela sozzani Plant and Microbial Biology Department North Carolina State UniversityRaleighNC 27695USA Mechanical and Aerospace Engineering Department North Carolina State UniversityRaleighNC 27695USA

Hydrogel encapsulation has been widely utilized in the study of fundamental cellular mechanisms and has been shown to provide a better representation of the complex in vivo microenvironment in natural biological conditions of mammalian *** this review,we provide a background into the adoption of hydrogel encapsulation methods in the study of mammalian cells,highlight some key findings that may aid with the adoption of similar methods for the study of plant cells,including the potential challenges and considerations,and discuss key findings of studies that have utilized these methods in plant sciences.

关键词： utilized Regeneration finding

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