ArticleInternational microbiology : the official journal of the Spanish Society for Microbiology2025
Isolation of the inorganic phosphorus-solubilizing bacteria Lysinibacillus sphaericus and assessing its role in promoting rice growth.
Article in International microbiology : the official journal of the Spanish Society for Microbiology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed.
- Enzymatic Activity and Organic Acid Profile of Phosphate-Solubilizing Bacterial Inoculants and Their Agronomic Effectiveness in Soybean.Microorganisms · 2025Article
- Screening and Identification of Cadmium-Tolerant, Plant Growth-Promoting Rhizobacteria Strain KM25, and Its Effects on the Growth of Soybean and Endophytic Bacterial Community in Roots.Plants (Basel, Switzerland) · 2025Article
- Isolation, characterization and screening of phosphate (P) solubilizing actinomycetes and exploring its potency in finger millet (Eleusine coracana L.).BMC plant biology · 2025Article
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11 authors.
Funding
Abstract
Soluble phosphorus scarcity severely limits plant growth and crop yield. In this study, a strain of inorganic phosphorus-solubilizing bacteria, Lysinibacillus sphaericus, was isolated from rice rhizosphere soil. The available phosphorus content in liquid inorganic phosphorus identification medium and in L. sphaericus-inoculated soil increased from 204.28 mg/L to 1124.68 mg/L and from 4.75 mg/kg to 7.04 mg/kg, respectively. The pH decreased significantly from 6.87 to 6.14. Incubation with L. sphaericus significantly increased malic and succinic acid content in the liquid inorganic phosphorus identification medium and increased acid phosphatase and alkaline phosphatase activity in the soil. Inoculation with L. sphaericus significantly increased rice growth, chlorophyll a/b content, and photosynthesis by increasing the soluble phosphorus content in the rice rhizosphere soil under phosphorus-deficient conditions. Further analysis revealed that L. sphaericus improved soil phosphorus release by decreasing soil pH and promoting acid phosphatase and alkaline phosphatase activity. This study supports the production of microbial fertilizers to improve rice yield in phosphorus-deficient conditions.
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