ArticleApplied and environmental microbiology2010
Improvement of phosphate solubilization and Medicago plant yield by an indole-3-acetic acid-overproducing strain of Sinorhizobium meliloti.
Article in Applied and environmental microbiology, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 41 papers.
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Who cites it
41 citing papers in PubMed, 135 citations in OpenAlex.
- Review
- Phosphate solubilization and plant growth properties are promoted by a lactic acid bacterium in calcareous soil.Applied microbiology and biotechnology · 2024Article
- Effect of Trichoderma viride on insoluble phosphorus absorption ability and growth of Melilotus officinalis.Scientific reports · 2023Article
- The involvement of organic acids in soil fertility, plant health and environment sustainability.Archives of microbiology · 2022Review
- Analysis of Blueberry Plant Rhizosphere Bacterial Diversity and Selection of Plant Growth Promoting Rhizobacteria.Current microbiology · 2022Article
- From Soil Amendments to Controlling Autophagy: Supporting Plant Metabolism under Conditions of Water Shortage and Salinity.Plants (Basel, Switzerland) · 2022Review
- Metabolic properties, gene functions, and biosafety analysis reveal the action of three rhizospheric plant growth-promoting bacteria of Jujuncao (Pennisetum giganteum).Environmental science and pollution research international · 2022Article
- Utilization of Legume-Nodule Bacterial Symbiosis in Phytoremediation of Heavy Metal-Contaminated Soils.Biology · 2022Review
- Exploitation of Plant Growth Promoting Bacteria for Sustainable Agriculture: Hierarchical Approach to Link Laboratory and Field Experiments.Microorganisms · 2022Article
- A comprehensive synthesis unveils the mysteries of phosphate-solubilizing microbes.Biological reviews of the Cambridge Philosophical Society · 2021Article
- Ability to produce indole acetic acid is associated with improved phosphate solubilising activity of rhizobacteria.Archives of microbiology · 2021Article
- Ability to produce indole acetic acid is associated with improved phosphate solubilising activity of rhizobacteria.Archives of microbiology · 2021Article
- Identification of a phosphorus-solubilizing Tsukamurella tyrosinosolvens strain and its effect on the bacterial diversity of the rhizosphere soil of peanuts growth-promoting.World journal of microbiology & biotechnology · 2021Article
- Strain-Specific Biostimulant Effects ofPlants (Basel, Switzerland) · 2021Article
- Molecular Biology in the Improvement of Biological Nitrogen Fixation by Rhizobia and Extending the Scope to Cereals.Microorganisms · 2021Review
- The impact of the rhizobia-legume symbiosis on host root system architecture.Journal of experimental botany · 2020Review
- Inorganic Phosphate Solubilization by Rhizosphere BacteriumFrontiers in microbiology · 2020Article
- Bacterial IAA-Delivery into Medicago Root Nodules Triggers a Balanced Stimulation of C and N Metabolism Leading to a Biomass Increase.Microorganisms · 2019Article
- New Insights into Structural and Functional Roles of Indole-3-acetic acid (IAA): Changes in DNA Topology and Gene Expression in Bacteria.Biomolecules · 2019Article
- Characteristics of Inorganic Phosphate-Solubilizing Bacteria from the Sediments of a Eutrophic Lake.International journal of environmental research and public health · 2019Article
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Authors and funding
2 authors at 1 institution in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
Nitrogen (N) and phosphorus (P) are the most limiting factors for plant growth. Some microorganisms improve the uptake and availability of N and P, minimizing chemical fertilizer dependence. It has been published that the RD64 strain, a Sinorhizobium meliloti 1021 strain engineered to overproduce indole-3-acetic acid (IAA), showed improved nitrogen fixation ability compared to the wild-type 1021 strain. Here, we present data showing that RD64 is also highly effective in mobilizing P from insoluble sources, such as phosphate rock (PR). Under P-limiting conditions, the higher level of P-mobilizing activity of RD64 than of the 1021 wild-type strain is connected with the upregulation of genes coding for the high-affinity P transport system, the induction of acid phosphatase activity, and the increased secretion into the growth medium of malic, succinic, and fumaric acids. Medicago truncatula plants nodulated by RD64 (Mt-RD64), when grown under P-deficient conditions, released larger amounts of another P-solubilizing organic acid, 2-hydroxyglutaric acid, than plants nodulated by the wild-type strain (Mt-1021). It has already been shown that Mt-RD64 plants exhibited higher levels of dry-weight production than Mt-1021 plants. Here, we also report that P-starved Mt-RD64 plants show significant increases in both shoot and root fresh weights when compared to P-starved Mt-1021 plants. We discuss how, in a Rhizobium-legume model system, a balanced interplay of different factors linked to bacterial IAA overproduction rather than IAA production per se stimulates plant growth under stressful environmental conditions and, in particular, under P starvation.
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