ArticleThe ISME journal2025
Regulation of plant Ni uptake by soil-borne microorganisms occurs independently of their Ni-solubilizing capabilities.
Article in The ISME journal, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
1 citing paper in PubMed.
- Physiological Adaptation Strategy of the Pseudo-MetallophyteAntioxidants (Basel, Switzerland) · 2026Article
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Authors and funding
11 authors.
Funding
Abstract
Plant-associated microbial communities play a vital role in host adaptation to environmental stress, yet their contributions to plant nickel (Ni) tolerance strategies remain unclear. It is not understood whether the same microbial community elicits similar responses across different plant species or regulates stress adaptation in a host-specific manner. Although microorganisms influence plant responses to metal toxicity by altering metal bioavailability in the rhizosphere, their potential to optimize plant metal uptake is less explored. In this study, we evaluated whether synthetic microbial communities enhance Ni uptake in two species with contrasting metal strategies: the hyperaccumulator Odontarrhena chalcidica and the Ni-excluding Arabidopsis arenosa. We hypothesized that soil microorganisms support plant metal adaptation by improving physiological function rather than altering soil metal availability. Our results show that O. chalcidica reached its full hyperaccumulating potential only when co-cultivated with a soil-derived microbial community, regardless of the microorganisms' ability to mobilize Ni or promote plant growth. Microorganisms that enhanced Ni uptake had no effect on soil Ni availability. Microbial community analysis revealed species-specific microbiota assembly, with O. chalcidica being more responsive yet more selective. Serpentine-soil microbiota enhanced Ni uptake in O. chalcidica by upregulating iron-transporter genes, confirming reliance on Fe-transport pathways for Ni acquisition. In contrast, the same inoculum induced Zn-transporters and NRT2.1/NRT2.2 in A. arenosa, reflecting strategy of cation partitioning and nutrient-transport fine-tuning under Ni stress. These findings refine criteria for selecting microorganisms in phytoremediation and highlight that the functional impact of plant-associated microorganisms on metal handling outweigh their effects on metal solubility in soil.
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Registered trials
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