ArticleFrontiers in plant science2015
Selenium hyperaccumulators harbor a diverse endophytic bacterial community characterized by high selenium resistance and plant growth promoting properties.
Article in Frontiers in plant science, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 32 papers.
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Who cites it
32 citing papers in PubMed, 120 citations in OpenAlex.
- Effect of selenium hyperaccumulation on the root endophytic and rhizosphere microbiome of two Astragalus species.Plant biology (Stuttgart, Germany) · 2026Article
- Proteomic Analysis Reveals Differential Expression of Extracellular and Intracellular Proteins in Epichloë sinensis Grown Under Selenium Conditions.Current microbiology · 2026Article
- The mechanism and application of the selenium hyperaccumulator Cardamine hupingshanensis: status and challenges.Annals of botany · 2026Review
- Transcriptional profiling of glutathione metabolism and the glutathione redox cycle ofFrontiers in plant science · 2026Article
- Systems Biology Applications in Revealing Plant Defense Mechanisms in Disease Triangle.International journal of molecular sciences · 2025Review
- Endophytic microbial communities and functional shifts in Hemarthria compressa grass in response to Silicon and Selenium amendment.BMC plant biology · 2025Article
- Diversity and functional traits of seed endophytes of Dysphania ambrosioides from heavy metal contaminated and non-contaminated areas.World journal of microbiology & biotechnology · 2024Article
- Review
- Selenobacteria-mediated Se transformation and uptake involving the unique genetic code.Frontiers in plant science · 2024Article
- Differences and similarities in selenium biopathways in Astragalus, Neptunia (Fabaceae) and Stanleya (Brassicaceae) hyperaccumulators.Annals of botany · 2023Article
- Current Scenario and Future Prospects of Endophytic Microbes: Promising Candidates for Abiotic and Biotic Stress Management for Agricultural and Environmental Sustainability.Microbial ecology · 2023Review
- Foraging for selenium: a comparison between hyperaccumulator and non-accumulator plant species.Scientific reports · 2023Article
- Review
- Selenium species transforming along soil-plant continuum and their beneficial roles for horticultural crops.Horticulture research · 2023Article
- Advances in Research on the Involvement of Selenium in Regulating Plant Ecosystems.Plants (Basel, Switzerland) · 2022Review
- Assessment of the Ecotoxicity of Pollution by Potentially Toxic Elements by Biological Indicators of Haplic Chernozem of Southern Russia (Rostov region).Water, air, and soil pollution · 2022Article
- Diversity of Endophytic Bacteria in Cardamine hupingshanensis and Potential of Culturable Selenium-Resistant Endophytes to Enhance Seed Germination Under Selenate Stress.Current microbiology · 2021Article
- Keep and promote biodiversity at polluted sites under phytomanagement.Environmental science and pollution research international · 2020Review
- Accumulation of Cu, Cd, Pb, Zn and total P from synthetic stormwater in 30 bioretention plants.Environmental science and pollution research international · 2020Article
- The diversity and distribution of endophytes across biomes, plant phylogeny and host tissues: how far have we come and where do we go from here?Environmental microbiology · 2020Review
Corrections and comments
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Authors and funding
15 authors at 4 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Selenium (Se)-rich plants may be used to provide dietary Se to humans and livestock, and also to clean up Se-polluted soils or waters. This study focused on endophytic bacteria of plants that hyperaccumulate selenium (Se) to 0.5-1% of dry weight. Terminal restriction fragment length polymorphism (T-RFLP) analysis was used to compare the diversity of endophytic bacteria of hyperaccumulators Stanleya pinnata (Brassicaceae) and Astragalus bisulcatus (Fabaceae) with those from related non-accumulators Physaria bellii (Brassicaceae) and Medicago sativa (Fabaceae) collected on the same, seleniferous site. Hyperaccumulators and non-accumulators showed equal T-RF diversity. Parsimony analysis showed that T-RFs from individuals of the same species were more similar to each other than to those from other species, regardless of plant Se content or spatial proximity. Cultivable endophytes from hyperaccumulators S. pinnata and A. bisulcatus were further identified and characterized. The 66 bacterial morphotypes were shown by MS MALDI-TOF Biotyper analysis and 16S rRNA gene sequencing to include strains of Bacillus, Pseudomonas, Pantoea, Staphylococcus, Paenibacillus, Advenella, Arthrobacter, and Variovorax. Most isolates were highly resistant to selenate and selenite (up to 200 mM) and all could reduce selenite to red elemental Se, reduce nitrite and produce siderophores. Seven isolates were selected for plant inoculation and found to have plant growth promoting properties, both in pure culture and when co-cultivated with crop species Brassica juncea (Brassicaceae) or M. sativa. There were no effects on plant Se accumulation. We conclude that Se hyperaccumulators harbor an endophytic bacterial community in their natural seleniferous habitat that is equally diverse to that of comparable non-accumulators. The hyperaccumulator endophytes are characterized by high Se resistance, capacity to produce elemental Se and plant growth promoting properties.
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