ArticleApplied and environmental microbiology2016
Survival Strategies of the Plant-Associated Bacterium Enterobacter sp. Strain EG16 under Cadmium Stress.
Article in Applied and environmental microbiology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers.
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25 citing papers in PubMed, 124 citations in OpenAlex.
- Mechanistic insights of bioremediation potential of Bacillus altitudinis and its impact on rice grown under contaminated soil.Archives of microbiology · 2026Article
- Cadmium removal and indole acetic acid production by ureolytic bacteria isolated from rhizosphere soils.World journal of microbiology & biotechnology · 2025Article
- Variety-dependent seed endophytic bacteria enhance stress tolerance to and bioaccumulation of ciprofloxacin in choy sum (Brassica parachinensis).Microbiome · 2025Article
- Cd-Resistant Plant Growth-Promoting RhizobacteriaMicroorganisms · 2024Article
- Article
- Response mechanisms of bacterial communities and nitrogen cycle functional genes in millet rhizosphere soil to chromium stress.Frontiers in microbiology · 2023Article
- Application of Rhizobacteria,Plants (Basel, Switzerland) · 2022Article
- Cadmium-tolerant bacteria: current trends and applications in agriculture.Letters in applied microbiology · 2022Review
- Effects of rare earth elements on bacteria in rhizosphere, root, phyllosphere and leaf of soil-rice ecosystem.Scientific reports · 2022Article
- Characterization of plant growth-promoting traits of Enterobacter sp. and its ability to promote cadmium/lead accumulation in Centella asiatica L.Environmental science and pollution research international · 2022Article
- A potent cadmium bioaccumulatingCurrent research in microbial sciences · 2022Article
- Physiological of biochar and α-FeJournal of nanobiotechnology · 2021Article
- The fate of plant growth-promoting rhizobacteria in soilless agriculture: future perspectives.3 Biotech · 2021Review
- Influence of cadmium-resistant Streptomycetes on plant growth and cadmium uptake by Chlorophytum comosum (Thunb.) Jacques.Environmental science and pollution research international · 2021Article
- Discerning the role of a functional arsenic-resistance cassette in the evolution and adaptation of a rice pathogen.Microbial genomics · 2021Article
- Abatement of arsenic-induced phytotoxic effects in rice seedlings by an arsenic-resistant Pantoea dispersa strain.Environmental science and pollution research international · 2021Article
- Cadmium-tolerant endophytic Pseudomonas rhodesiae strains isolated from Typha latifolia modify the root architecture of Arabidopsis thaliana Col-0 in presence and absence of Cd.Brazilian journal of microbiology : [publication of the Brazilian Society for Microbiology] · 2021Article
- Biosorption of heavy metals by dry biomass of metal tolerant bacterial biosorbents: an efficient metal clean-up strategy.Environmental monitoring and assessment · 2020Article
- Exopolysaccharides and indole-3-acetic acid producing Bacillus safensis strain FN13 potential candidate for phytostabilization of heavy metals.Environmental monitoring and assessment · 2020Article
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Authors and funding
9 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Plant-associated bacteria are of great interest because of their potential use in phytoremediation. However, their ability to survive and promote plant growth in metal-polluted soils remains unclear. In this study, a soilborne Cd-resistant bacterium was isolated and identified as Enterobacter sp. strain EG16. It tolerates high external Cd concentrations (Cd(2+) MIC, >250 mg liter(-1)) and is able to produce siderophores and the plant hormone indole-3-acetic acid (IAA), both of which contribute to plant growth promotion. Surface biosorption in this strain accounted for 31% of the total Cd accumulated. The potential presence of cadmium sulfide, shown by energy-dispersive X-ray (EDX) analysis, suggested intracellular Cd binding as a Cd response mechanism of the isolate. Cd exposure resulted in global regulation at the transcriptomic level, with the bacterium switching to an energy-conserving mode by inhibiting energy-consuming processes while increasing the production of stress-related proteins. The stress response system included increased import of sulfur and iron, which become deficient under Cd stress, and the redirection of sulfur metabolism to the maintenance of intracellular glutathione levels in response to Cd toxicity. Increased production of siderophores, responding to Cd-induced Fe deficiency, not only is involved in the Cd stress response systems of EG16 but may also play an important role in promoting plant growth as well as alleviating the Cd-induced inhibition of IAA production. The newly isolated strain EG16 may be a suitable candidate for microbially assisted phytoremediation due to its high resistance to Cd and its Cd-induced siderophore production, which is likely to contribute to plant growth promotion.
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