Rhizobium biostimulation of blackberry modulates survival pathways in Caenorhabditis elegans across biological kingdoms
Abstract Endophytic Rhizobium species represent promising bioinoculants for enhancing crop performance and nutritional profiles. This study investigated the impact of Rhizobium sp. CRRU65 inoculation on blackberry (Rubus sp.) plants, with emphasis on fruit phytochemical composition and cross-kingdom...
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| Format: | Article |
| Language: | English |
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Nature Portfolio
2025-07-01
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| Series: | npj Science of Food |
| Online Access: | https://doi.org/10.1038/s41538-025-00525-5 |
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| author | Rocío Roca-Couso José David Flores-Félix Begoña Ayuda-Durán Rebeca Ferreras-Charro Ignacio García-Estévez Paula García-Fraile Raúl Rivas |
| author_facet | Rocío Roca-Couso José David Flores-Félix Begoña Ayuda-Durán Rebeca Ferreras-Charro Ignacio García-Estévez Paula García-Fraile Raúl Rivas |
| author_sort | Rocío Roca-Couso |
| collection | DOAJ |
| description | Abstract Endophytic Rhizobium species represent promising bioinoculants for enhancing crop performance and nutritional profiles. This study investigated the impact of Rhizobium sp. CRRU65 inoculation on blackberry (Rubus sp.) plants, with emphasis on fruit phytochemical composition and cross-kingdom bioactivity. Inoculated plants exhibited a significant increase in yield and elevated levels of phenolic compounds, notably sanguiin H6 and cyanidin-3-O-glucoside, as quantified by HPLC-DAD-MS. Antioxidant functionality was evaluated using Caenorhabditis elegans under oxidative stress. Extracts from inoculated fruits significantly improved nematode survival, accompanied by transcriptional upregulation of skn-1 and hsp-16, genes involved in stress response and proteostasis. These findings demonstrate that Rhizobium sp. CRRU65 enhances not only agronomic traits but also the nutraceutical quality of blackberry fruits, with beneficial effects extending across biological kingdoms. This work underscores the potential of endophytic bacteria to contribute to sustainable agriculture and functional food innovation through molecular and physiological modulation in both plants and animal models. |
| format | Article |
| id | doaj-art-bbddb812cd0244ebb1b991814f443932 |
| institution | Kabale University |
| issn | 2396-8370 |
| language | English |
| publishDate | 2025-07-01 |
| publisher | Nature Portfolio |
| record_format | Article |
| series | npj Science of Food |
| spelling | doaj-art-bbddb812cd0244ebb1b991814f4439322025-08-20T03:41:57ZengNature Portfolionpj Science of Food2396-83702025-07-019111010.1038/s41538-025-00525-5Rhizobium biostimulation of blackberry modulates survival pathways in Caenorhabditis elegans across biological kingdomsRocío Roca-Couso0José David Flores-Félix1Begoña Ayuda-Durán2Rebeca Ferreras-Charro3Ignacio García-Estévez4Paula García-Fraile5Raúl Rivas6Department of Microbiology and Genetics, Edificio Departamental de Biología, Universidad de SalamancaDepartment of Microbiology and Genetics, Edificio Departamental de Biología, Universidad de SalamancaDepartment of Analytical Chemistry, Nutrition and Food Science, Universidad de SalamancaDepartment of Analytical Chemistry, Nutrition and Food Science, Universidad de SalamancaDepartment of Analytical Chemistry, Nutrition and Food Science, Universidad de SalamancaDepartment of Microbiology and Genetics, Edificio Departamental de Biología, Universidad de SalamancaDepartment of Microbiology and Genetics, Edificio Departamental de Biología, Universidad de SalamancaAbstract Endophytic Rhizobium species represent promising bioinoculants for enhancing crop performance and nutritional profiles. This study investigated the impact of Rhizobium sp. CRRU65 inoculation on blackberry (Rubus sp.) plants, with emphasis on fruit phytochemical composition and cross-kingdom bioactivity. Inoculated plants exhibited a significant increase in yield and elevated levels of phenolic compounds, notably sanguiin H6 and cyanidin-3-O-glucoside, as quantified by HPLC-DAD-MS. Antioxidant functionality was evaluated using Caenorhabditis elegans under oxidative stress. Extracts from inoculated fruits significantly improved nematode survival, accompanied by transcriptional upregulation of skn-1 and hsp-16, genes involved in stress response and proteostasis. These findings demonstrate that Rhizobium sp. CRRU65 enhances not only agronomic traits but also the nutraceutical quality of blackberry fruits, with beneficial effects extending across biological kingdoms. This work underscores the potential of endophytic bacteria to contribute to sustainable agriculture and functional food innovation through molecular and physiological modulation in both plants and animal models.https://doi.org/10.1038/s41538-025-00525-5 |
| spellingShingle | Rocío Roca-Couso José David Flores-Félix Begoña Ayuda-Durán Rebeca Ferreras-Charro Ignacio García-Estévez Paula García-Fraile Raúl Rivas Rhizobium biostimulation of blackberry modulates survival pathways in Caenorhabditis elegans across biological kingdoms npj Science of Food |
| title | Rhizobium biostimulation of blackberry modulates survival pathways in Caenorhabditis elegans across biological kingdoms |
| title_full | Rhizobium biostimulation of blackberry modulates survival pathways in Caenorhabditis elegans across biological kingdoms |
| title_fullStr | Rhizobium biostimulation of blackberry modulates survival pathways in Caenorhabditis elegans across biological kingdoms |
| title_full_unstemmed | Rhizobium biostimulation of blackberry modulates survival pathways in Caenorhabditis elegans across biological kingdoms |
| title_short | Rhizobium biostimulation of blackberry modulates survival pathways in Caenorhabditis elegans across biological kingdoms |
| title_sort | rhizobium biostimulation of blackberry modulates survival pathways in caenorhabditis elegans across biological kingdoms |
| url | https://doi.org/10.1038/s41538-025-00525-5 |
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