ArticleMicrobial cell factories2023
Metabolically versatile psychrotolerant Antarctic bacterium Pseudomonas sp. ANT_H12B is an efficient producer of siderophores and accompanying metabolites (SAM) useful for agricultural purposes.
Article in Microbial cell factories, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 12 citations in OpenAlex.
- Molasses-amended siderophore biofertilizer reshapes the rhizosphere microbiome, promotes growth and reduces lipid peroxidation inFrontiers in plant science · 2026Article
- Genomic and functional analyses reveal Pseudomonas granadensis CT364 is a plant growth-promoting endophyte.BMC microbiology · 2025Article
- Factors influencing the spatial distributions of river microbial communities at the watershed scale: a case study involving the Wuding River Basin.Frontiers in microbiology · 2025Article
- Biotechnological potential in agriculture of soil Antarctic microorganisms revealed by omics approach.World journal of microbiology & biotechnology · 2024Article
- Production and Antibacterial Activity of Atypical Siderophore fromPharmaceuticals (Basel, Switzerland) · 2024Article
- Anticandidal Activity of a Siderophore from Marine EndophyteAntibiotics (Basel, Switzerland) · 2024Article
- Microbial interaction-induced siderophore dynamics lead to phenotypic differentiation ofFrontiers in cellular and infection microbiology · 2023Article
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
Abstract
backgroundBacterial siderophores are chelating compounds with the potential of application in agriculture, due to their plant growth-promoting (PGP) properties, however, high production and purification costs are limiting factors for their wider application. Cost-efficiency of the production could be increased by omitting purification processes, especially since siderophores accompanying metabolites (SAM) often also possess PGP traits. In this study, the metabolism versatility of Pseudomonas sp. ANT_H12B was used for the optimization of siderophores production and the potential of these metabolites and SAM was characterized in the context of PGP properties.
resultsThe metabolic diversity of ANT_H12B was examined through genomic analysis and phenotype microarrays. The strain was found to be able to use numerous C, N, P, and S sources, which allowed for the design of novel media suitable for efficient production of siderophores in the form of pyoverdine (223.50-512.60 μM). Moreover, depending on the culture medium, the pH of the siderophores and SAM solutions varied from acidic (pH < 5) to alkaline (pH > 8). In a germination test, siderophores and SAM were shown to have a positive effect on plants, with a significant increase in germination percentage observed in beetroot, pea, and tobacco. The PGP potential of SAM was further elucidated through GC/MS analysis, which revealed other compounds with PGP potential, such as indolic acetic acids, organic acids, fatty acids, sugars and alcohols. These compounds not only improved seed germination but could also potentially be beneficial for plant fitness and soil quality.
conclusionsPseudomonas sp. ANT_H12B was presented as an efficient producer of siderophores and SAM which exhibit PGP potential. It was also shown that omitting downstream processes could not only limit the costs of siderophores production but also improve their agricultural potential.
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