ArticlePloS one2014
The endophytic bacterium, Sphingomonas SaMR12, improves the potential for zinc phytoremediation by its host, Sedum alfredii.
Article in PloS one, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 26 papers.
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Who cites it
26 citing papers in PubMed, 87 citations in OpenAlex.
- Screening of manganese-resistant bacteria and their synergistic effect with Koelreuteria paniculata on remediation of manganese-contaminated soil.Journal of advanced research · 2026Article
- Co-inoculation of endophytic bacteria enhances hydroponic wheat performance and zinc biofortification through root exudates modulation.Frontiers in microbiology · 2026Article
- Endophytic Pantoea agglomerans enhances lead phytoremediation and stress resilience of Calotropis procera in hydroponic system.Scientific reports · 2025Article
- Microbial custody: key microbiome inhabitant Sphingomonas alleviates silver nanoparticle toxicity in Daphnia magna.FEMS microbiology ecology · 2025Article
- Response of rhizosphere microbial community characteristics and ecosystem multifunctionality to the addition of crude oil inFrontiers in microbiology · 2025Article
- Transcriptomic and physiological analyses of Trichoderma citrinoviride HT-1 assisted phytoremediation of Cd contaminated water by Phragmites australis.BMC microbiology · 2024Article
- Isolation and identification of metallotolerant bacteria with a potential biotechnological application.Scientific reports · 2024Article
- Drought Sensitivity of Spring Wheat Cultivars Shapes Rhizosphere Microbial Community Patterns in Response to Drought.Plants (Basel, Switzerland) · 2023Article
- Article
- Effects of fungal seed endophyte FXZ2 onFrontiers in microbiology · 2022Article
- Effects of microbial agents on cadmium uptake inFrontiers in microbiology · 2022Article
- Characterizing the correlation between species/strain-specific starter with community assembly and metabolic regulation inCurrent research in microbial sciences · 2022Article
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- Effects of Heavy Metals/Metalloids and Soil Properties on Microbial Communities in Farmland in the Vicinity of a Metals Smelter.Frontiers in microbiology · 2021Article
- Analysis of endophytic and rhizosphere bacterial diversity and function in the endangered plant Paeonia ludlowii.Archives of microbiology · 2020Article
- Zinc tolerant plant growth promoting bacteria alleviates phytotoxic effects of zinc on maize through zinc immobilization.Scientific reports · 2020Article
- The endophytic bacterium Sphingomonas SaMR12 alleviates Cd stress in oilseed rape through regulation of the GSH-AsA cycle and antioxidative enzymes.BMC plant biology · 2020Article
- The Aromatic Plant Clary Sage Shaped Bacterial Communities in the Roots and in the Trace Element-Contaminated Soil More Than Mycorrhizal Inoculation - A Two-Year Monitoring Field Trial.Frontiers in microbiology · 2020Article
- Effects of COEnvironmental science and pollution research international · 2019Article
- Cultivar and Metal-Specific Effects of Endophytic Bacteria in Helianthus tuberosus Exposed to Cd and Zn.International journal of molecular sciences · 2017Article
Corrections and comments
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The endophytic bacterium, Sphingomonas SaMR12, isolated from Sedum alfredii Hance, appears to increase plant biomass and zinc-extraction from contaminated soil; however, the mechanism by which this occurs is not clear. Here, the ability of SaMR12 to promote zinc extraction and its effects on root morphology and exudation were examined in hydroponics. Zinc treatment increased shoot biomass by 30 to 45%, and by a further 10 to 19% when combined with SaMR12 inoculation. Zinc treatment also increased zinc accumulation modestly and this too was enhanced with SaMR12. Both biomass and zinc levels increased in a dose-dependent manner with significant effects seen at 50 µM zinc and apparent saturation at 500 µM. Zinc and the endophyte also increased levels of auxin but not at 50 µM and zinc increased levels of superoxide and hydrogen peroxide but mainly at 500 µM. As for root morphology, SaMR12 increased root branching, the number of root tips, and surface area. Zinc and SaMR12 also increased the exudation of oxalic acid. For most assays the effects of the endophyte and zinc were additive, with the notable exception of SaMR12 strongly reducing the production of reactive oxygen species at 500 µM zinc. Taken together, these results suggest that the promotion of growth and zinc uptake by exposure to zinc and to SaMR12 are independent of reactive oxygen and do not involve increases in auxin.
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