Artículo
Emerging nitrogen-fixing cyanobacteria for sustainable cotton cultivation
Autor/es | Jiménez Ríos, Lucía
Torrado Maya, Alejandro González Pimentel, José Luis Iniesta Pallarés, Macarena Molina Heredia, Fernando Publio Mariscal, Vicente Álvarez Núñez, Consolación |
Departamento | Universidad de Sevilla. Departamento de Bioquímica Vegetal y Biología Molecular |
Fecha de publicación | 2024-05-10 |
Fecha de depósito | 2024-04-25 |
Publicado en |
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Resumen | Amid growing environmental concerns and the imperative for sustainable agricultural practices, this study examines the potential of nitrogen-fixing cyanobacteria as biofertilizers, particularly in cotton cultivation. The ... Amid growing environmental concerns and the imperative for sustainable agricultural practices, this study examines the potential of nitrogen-fixing cyanobacteria as biofertilizers, particularly in cotton cultivation. The reliance on synthetic nitrogen fertilizers (SNFs), prevalent in modern agriculture, poses significant environmental challenges, including greenhouse gas emissions and water system contamination. This research aims to shift this paradigm by exploring the capacity of cyanobacteria as a natural and sustainable alternative. Utilizing advanced metabarcoding methods to analyze the 16S rRNA gene, we conducted a comprehensive assessment of soil bacterial communities within cotton fields. This study focused on evaluating the diversity, structure, taxonomic composition, and potential functional characteristics of these communities. Emphasis was placed on the isolation of native N2-fixing cyanobacteria strains rom cotton soils, and their subsequent effects on cotton growth. Results from our study demonstrate significant plant growth-promoting (PGP) activities, measured as N2 fixation, production of Phytohormones, Fe solubilization and biofertilization potential of five isolated cyanobacterial strains, underscoring their efficacy in cotton. These findings suggest a viable pathway for replacing chemical-synthetic nitrogen fertilizers with natural, organic alternatives. The reintegration of these beneficial species into agricultural ecosystems can enhance crop growth while fostering a balanced microbial environment, thus contributing to the broader goals of global sustainable agriculture. |
Agencias financiadoras | Corporación Tecnológica de Andalucía Junta de Andalucía |
Identificador del proyecto | BFE14300
ProyExcel_00298 |
Cita | Jiménez Ríos, L., Torrado Maya, A., González Pimentel, J.L., Iniesta Pallarés, M., Molina Heredia, F.P., Mariscal, V. y Álvarez Núñez, C. (2024). Emerging nitrogen-fixing cyanobacteria for sustainable cotton cultivation. Science of the Total Environment, 924, 171533. https://doi.org/10.1016/j.scitotenv.2024.171533. |
Ficheros | Tamaño | Formato | Ver | Descripción |
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Emerging nitrogen.pdf | 6.670Mb | [PDF] | Ver/ | Versión publicada |