ArticleBMC plant biology2021
Halotolerant bacteria mitigate the effects of salinity stress on soybean growth by regulating secondary metabolites and molecular responses.
Article in BMC plant biology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 53 papers.
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53 citing papers in PubMed, 147 citations in OpenAlex.
- Bacillus subtilis immobilization on biochars produced from different feedstocks and pyrolysis temperatures: performance, mechanisms, and salt tolerance.Bioresources and bioprocessing · 2026Article
- Article
- The synergistic effect of salt-tolerant Stutzerimonas stutzeri and arbuscular mycorrhizal fungi alleviates salinity stress in soybean (Glycine max, L.).World journal of microbiology & biotechnology · 2026Article
- Enhancing salinity tolerance and growth of Spinacia oleracea L. using halophilic plant growth-promoting bacteria.Scientific reports · 2026Article
- Isolation, identification, and plant growth-promoting mechanisms of strain BN5, with a focus on exogenously Trp-independent IAA biosynthesis, and its impact on cucumber cultivation.Current research in microbial sciences · 2026Article
- Hormonal Interplay of GAs and Abscisic Acid in Rice Germination and Growth Under Low-Temperature Stress.International journal of molecular sciences · 2025Article
- Saline-Alkaline Stress-Driven Rhizobacterial Community Restructuring and Alleviation of Stress by Indigenous PGPR in Alfalfa.Plants (Basel, Switzerland) · 2025Article
- Microbial Biofertilizers for Salinity Stress Mitigation in Hydroponic Systems.Current issues in molecular biology · 2025Review
- Halotolerant Staphylococcus sp. MCC 5340 confers salinity tolerance in rice through the regulation of ion homeostasis and stress-responsive genes.International microbiology : the official journal of the Spanish Society for Microbiology · 2025Article
- Genome Characterisation of Priestia megaterium mj1212 and Its Synergistic Effect With N-Acetylglucosamine in Enhancing Soybean Salt Stress Tolerance.Plant, cell & environment · 2025Article
- Rhizosphere-Associated Bacteria of Saltgrass [Microorganisms · 2025Article
- Transcriptome Analysis and Physiological Response to Salinity Stress in Adzuki Bean (Plants (Basel, Switzerland) · 2025Article
- Melatonin-ProducingInternational journal of molecular sciences · 2025Article
- Effect ofMicroorganisms · 2025Article
- New Insights into the Synergistic Interaction Between PseudomonasMicroorganisms · 2025Article
- Halo-tolerant plant growth-promoting bacteria-mediated plant salt resistance and microbiome-based solutions for sustainable agriculture in saline soils.FEMS microbiology ecology · 2025Review
- Copper-based materials mitigate salinity stress in hydroponically grown lettuce (Bioscience nanotechnology · 2025Article
- Growth and protein response of rice plant with plant growth-promoting rhizobacteria inoculations under salt stress conditions.International microbiology : the official journal of the Spanish Society for Microbiology · 2024Article
- Salt-tolerant plant growth-promoting bacteria as a versatile tool for combating salt stress in crop plants.Archives of microbiology · 2024Review
- Mitigating drought stress in wheat plants (Triticum Aestivum L.) through grain priming in aqueous extract of spirulina platensis.BMC plant biology · 2024Article
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Authors and funding
10 authors at 3 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundSalinity is a major threat to the agriculture industry due to the negative impact of salinity stress on crop productivity. In the present study, we isolated rhizobacteria and evaluated their capacities to promote crop growth under salt stress conditions.
resultsWe isolated rhizospheric bacteria from sand dune flora of Pohang beach, Korea, and screened them for plant growth-promoting (PGP) traits. Among 55 bacterial isolates, 14 produced indole-3-acetic acid (IAA), 10 produced siderophores, and 12 produced extracellular polymeric and phosphate solubilization. Based on these PGP traits, we selected 11 isolates to assess for salinity tolerance. Among them, ALT29 and ALT43 showed the highest tolerance to salinity stress. Next, we tested the culture filtrate of isolates ALT29 and ALT43 for IAA and organic acids to confirm the presence of these PGP products. To investigate the effects of ALT29 and ALT43 on salt tolerance in soybean, we grew seedlings in 0 mM, 80 mM, 160 mM, and 240 mM NaCl treatments, inoculating half with the bacterial isolates. Inoculation with ALT29 and ALT43 significantly increased shoot length (13%), root length (21%), shoot fresh and dry weight (44 and 35%), root fresh and dry weight (9%), chlorophyll content (16-24%), Chl a (8-43%), Chl b (13-46%), and carotenoid (14-39%) content of soybean grown under salt stress. Inoculation with ALT29 and ALT43 also significantly decreased endogenous ABA levels (0.77-fold) and increased endogenous SA contents (6-16%), increased total protein (10-20%) and glutathione contents, and reduced lipid peroxidation (0.8-5-fold), superoxide anion (21-68%), peroxidase (12.14-17.97%), and polyphenol oxidase (11.76-27.06%) contents in soybean under salinity stress. In addition, soybean treated with ALT29 and ALT43 exhibited higher K
conclusionIn conclusion, bacterial isolates ALT29 and ALT43 can mitigate salinity stress and increase plant growth, providing an eco-friendly approach for addressing saline conditions in agricultural production systems.
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