ArticleAMB Express2022
Biofilm forming rhizobacteria affect the physiological and biochemical responses of wheat to drought.
Article in AMB Express, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 29 citations in OpenAlex.
- Complementary functionalities of extracellular polymeric substances, adhesion ability and hydrophobicity in Pseudomonas isolates may help the selection of strategically advantageous microbial inoculants.World journal of microbiology & biotechnology · 2026Article
- Microbial consortia and drought tolerance- A paradigm shift towards agro-ecological sustainability.World journal of microbiology & biotechnology · 2026Review
- Divergent selection in moisture-responsive root-branching pathways between tropical and temperate maize germplasm.Journal of integrative plant biology · 2025Article
- Screening and identification of beneficial soil bacteria: evaluating inoculation effects on plant growth with and without organic matter.International microbiology : the official journal of the Spanish Society for Microbiology · 2025Article
- Cyanobacterial bioformulations enhance growth and stress resilience in maize genotypes under moisture-limited conditions.World journal of microbiology & biotechnology · 2025Article
- Deciphering the influence of fertilization systems on the Allium ampeloprasum rhizosphere microbial diversity and community structure through a shotgun metagenomics profiling approach.Environmental microbiome · 2025Article
- Allelopathic and auto-toxic effects of aqueous extracts of Codonopsis pilosula root secretions.PloS one · 2025Article
- Plant Growth Promoting Rhizobacteria in Plant Health: A Perspective Study of the Underground Interaction.Plants (Basel, Switzerland) · 2023Review
- Geographically Disperse, Culturable Seed-Associated Microbiota in Forage Plants of Alfalfa (Biology · 2022Article
Corrections and comments
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Authors and funding
9 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Plant growth promoting rhizobacteria (PGPR) can attenuate the adverse effects of water deficit on plant growth. Since drought stress tolerance of bacteria has earlier been associated to biofilm formation, we aimed to investigate the role of bacterial biofilm formation in their PGPR activity upon drought stress. To this end, a biofilm-forming bacterial collection was isolated from the rhizospheres of native arid grassland plants, and characterized by their drought tolerance and evaluated on their plant growth promoting properties. Most bacterial strains formed biofilm in vitro. Most isolates were drought tolerant, produced auxins, showed 1-aminocyclopropane-1-carboxylic acid (ACC) deaminase activity and solubilized mineral phosphate and potassium, but at considerably different levels. Greenhouse experiments with the most promising isolates, B1, B2 and B3, under three levels of water deficit and two wheat varieties led to an increased relative water content and increased harvest index at both moderate and severe water deficit. However, the bacteria did not affect these plant parameters upon regular watering. In addition, decreased hydrogen peroxide levels and increased glutathione S-transferase activity occurred under water deficit. Based on these results, we conclude that by improving root traits and antioxidant defensive system of wheat, arid grassland rhizospheric biofilm forming bacilli may promote plant growth under water scarcity.
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