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Microbial inoculations contribute to reducing agricultural systems' environmental footprint by supporting sustainable production and regulating climate change. However, the indirect and cascading effects of microbial inoculants through the reshaping of soil microbiome are largely overlooked. By discussing the underlying mechanisms of plant- and soil-based microbial inoculants, we suggest that a key challenge in microbial inoculation is to understand their legacy on indigenous microbial communities and the corresponding impacts on agroecosystem functions and services relevant to climate change. We explain how these legacy effects on the soil microbiome can be understood by building on the mechanisms driving microbial invasions and placing inoculation into the context of ecological succession and community assembly. Overall, we advocate that generalizing field trials to systematically test inoculants' effectiveness and developing knowledge anchored in the scientific field of biological/microbial invasion are two essential requirements for applying microbial inoculants in agricultural ecosystems to tackle climate change challenges.
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http://dx.doi.org/10.1016/j.isci.2022.103821 | DOI Listing |
Folia Microbiol (Praha)
September 2025
Soil Science Division, Bangladesh Wheat and Maize Research Institute, Dinajpur, 5200, Bangladesh.
The aim of the study was to reduce the chemical fertilizers with microbial inoculant-rich vermicompost, which enhanced the growth, flowering, and soil health of the tuberose crop. A total of six treatments were applied with reducing doses of synthetic fertilizers under a factorial randomized design and replicated thrice. In this study, vermicompost (VC) made from cow dung and vegetable waste utilizing Eisenia foetida and their mixed biomass were enriched with microbial inoculants and assessed for their impact on microbial and enzymatic populations including urease, acid phosphatase activity and dehydrogenase activity in soil, nutrient availability, and tuberose development and flowering.
View Article and Find Full Text PDFWorld J Microbiol Biotechnol
September 2025
Department of Microbiology, University of Georgia, Athens, GA, 30602, USA.
While PGPB have historically been applied in agriculture, their formal recognition in the last century has driven intensive research into their role as sustainable tools for improving crop yield and stress tolerance. As they are primarily sourced from wild or native environments, the widespread enthusiasm has led to heightened expectations surrounding their potential, often based on the assumption that biological solutions are inherently safer and more effective than synthetic inputs. However, despite their popularity, increasing reports of inconsistent or limited performance under real-world, field conditions have raised critical questions about their credibility as biofertilizers and biocontrol agents.
View Article and Find Full Text PDFJ Hazard Mater
August 2025
College of Resources and Environment, Northeast Agricultural University, Harbin 150030, China; Key Laboratory of Swine Facilities Engineering, Ministry of Agriculture and Rural Affairs, Harbin 150030, China. Electronic address:
17β-Estradiol (17β-E2), a persistent endocrine-disrupting compound, threatens ecosystem health through bioaccumulation. While bioaugmentation offers promise for environmental remediation, mechanistic insights into interspecies interactions between exogenous and indigenous degraders remain underexplored. Here, a synthetic microbial consortium (EL) was constructed by combining Rhodococcus erythropolis D310-1 and Microbacterium oxydans ML-6, which reduced the 17β-E2 degradation half-life by 53.
View Article and Find Full Text PDFFolia Microbiol (Praha)
August 2025
Soil Biology and Biotechnology Department, Soil and Water Research Institute (SWRI), Agricultural Research, Education, and Extension Organization (AREEO), PO BOX: 31785-311, Karaj, Iran.
Chemical fertilizers have substantially increased crop yields but have also contributed to significant environmental challenges, including soil and water contamination and the emergence of human health issues. As a more sustainable alternative, biofertilizers-comprising beneficial microorganisms such as bacteria-have been promoted as eco-friendly solutions. However, their use may pose risks to soil microbial communities and biodiversity under certain conditions.
View Article and Find Full Text PDFMicroorganisms
August 2025
Department of Biotechnology, Faculty of Biology and Biotechnology, Al-Farabi Kazakh National University, Al-Farabi 71, Almaty 050040, Kazakhstan.
Plant growth-promoting rhizobacteria (PGPRs) colonise the rhizosphere and root surfaces, enhancing crop development through a variety of mechanisms. This study evaluated microbial strains isolated from L. for key plant growth-promoting traits, including indole-3-acetic acid (IAA) production, phosphate and zinc (Zn) solubilisation, nitrogen (N) fixation, and antifungal activity.
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