ArticleArchives of microbiology2023
Plant growth-promoting and heavy metal-resistant Priestia and Bacillus strains associated with pioneer plants from mine tailings.
Article in Archives of microbiology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 16 citations in OpenAlex.
- Mining the Galium aparine L. microbiome: genome-guided discovery and experimental validation of metallophore-producing endophytic bacteria.BMC genomics · 2026Article
- Profiling of bacterial community associated with sugarcane rhizosphere.Journal, genetic engineering & biotechnology · 2026Article
- Bacillaceae in Probiotics and Postbiotics: Applications, Functional Traits, Mechanisms and Outlook.Probiotics and antimicrobial proteins · 2026Review
- Mechanistic insights of bioremediation potential of Bacillus altitudinis and its impact on rice grown under contaminated soil.Archives of microbiology · 2026Article
- Stress-resilient endospore-forming diazotrophs from red lateritic soils of India: functional profiling and first evidence of Priestia abyssalis and Bacillus gaemokensis as nitrogen-fixers with multifunctional PGPR traits.World journal of microbiology & biotechnology · 2026Article
- Vicia faba-PGPB association improves soil health as a sustainable strategy to remediate moderately Pb and Cd contaminated soils.PloS one · 2026Article
- Novel Bacillus and Prestia isolates from Dwarf century plant enhance crop yield and salinity tolerance.Scientific reports · 2024Article
- Characterization of Rhizosphere Microbial Diversity and Selection of Plant-Growth-Promoting Bacteria at the Flowering and Fruiting Stages of Rapeseed.Plants (Basel, Switzerland) · 2024Article
Corrections and comments
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Authors and funding
6 authors at 3 institutions in 2 countries.
Funding
Abstract
Open mine tailings dams are extreme artificial environments containing sizeable potentially toxic elements (PTEs), including heavy metals (HMs), transition metals, and metalloids. Furthermore, these tailings have nutritional deficiencies, including assimilable phosphorus sources, organic carbon, and combined nitrogen, preventing plant colonization. Bacteria, that colonize these environments, have mechanisms to tolerate the selective pressures of PTEs. In this work, several Priestia megaterium (formerly Bacillus megaterium), Bacillus mojavensis, and Bacillus subtilis strains were isolated from bulk tailings, anthills, rhizosphere, and endosphere of pioneer plants from abandoned mine tailings in Zacatecas, Mexico. Bacillus spp. tolerated moderate HMs concentrations, produced siderophores and indole-3-acetic acid (IAA), solubilized phosphates, and reduced acetylene in the presence of HMs. The strains harbored different PIB-type ATPase genes encoding for efflux pumps and Cation Diffusion Facilitator (CDF) genes. Moreover, nifH and nifD nitrogenase genes were detected in P. megaterium and B. mojavensis genomic DNA. They showed similarity with sequences of the beta-Proteobacteria species, which may represent likely horizontal transfer events. These Bacillus species precede the colonization of mine tailings by plants. Their phenotypic and genotypic features could be essential in the natural recovery of the sites by reducing the oxidative stress of HMs, fixing nitrogen, solubilizing phosphate, and accumulating organic carbon. These traits of the strains reflect the adaptations of Bacillus species to the mine tailings environment and could contribute to the success of phytoremediation efforts.
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