Phosphorus Solubilizing Bacteria from Tea Soils and their Phosphate Solubilizing Abilities

Panda, Parimal; Choudhury, A. R.; Chakraborty, Somsubhra; Ray, Deb Prasad; Deb, Shovik; Patra, Partha Sarathi; Mahato, Bisweswar; Paramanik, Bappa; Singh, Anil Kumar; Chauhan, Rajesh K.

doi:10.5958/2454-9541.2017.00018.4

Cited by 8 publications

(5 citation statements)

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“…P solubilization is attributed to the secretion of phytase and the production of organic acids that decrease the pH of the medium. The secretion of phytase has been reported as the key factor in P solubilization [ 34 , 35 ]. The production of IAA is regarded as the principal criterion for screening PGPR because IAA-producing bacteria are known to exert profound beneficial effects on plant growth [ 6 ].…”

Section: Discussionmentioning

confidence: 99%

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Production of Plant Beneficial and Antioxidants Metabolites by Klebsiellavariicola under Salinity Stress

et al. 2021

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Bacteria that surround plant roots and exert beneficial effects on plant growth are known as plant growth-promoting rhizobacteria (PGPR). In addition to the plant growth-promotion, PGPR also imparts resistance against salinity and oxidative stress and needs to be studied. Such PGPR can function as dynamic bioinoculants under salinity conditions. The present study reports the isolation of phytase positive multifarious Klebsiella variicola SURYA6 isolated from wheat rhizosphere in Kolhapur, India. The isolate produced various plant growth-promoting (PGP), salinity ameliorating, and antioxidant traits. It produced organic acid, yielded a higher phosphorous solubilization index (9.3), maximum phytase activity (376.67 ± 2.77 U/mL), and copious amounts of siderophore (79.0%). The isolate also produced salt ameliorating traits such as indole acetic acid (78.45 ± 1.9 µg/mL), 1 aminocyclopropane-1-carboxylate deaminase (0.991 M/mg/h), and exopolysaccharides (32.2 ± 1.2 g/L). In addition to these, the isolate also produced higher activities of antioxidant enzymes like superoxide dismutase (13.86 IU/mg protein), catalase (0.053 IU/mg protein), and glutathione oxidase (22.12 µg/mg protein) at various salt levels. The isolate exhibited optimum growth and maximum secretion of these metabolites during the log-phase growth. It exhibited sensitivity to a wide range of antibiotics and did not produce hemolysis on blood agar, indicative of its non-pathogenic nature. The potential of K. variicola to produce copious amounts of various PGP, salt ameliorating, and antioxidant metabolites make it a potential bioinoculant for salinity stress management.

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Section: Discussionmentioning

confidence: 99%

“…The production of ammonia is a well-known mechanism of PGPR adopted for plant growth promotion [ 35 , 36 ]. Bhardwaj et al [ 30 ] isolated phytase positive, P solubilizing, and IAA producing multifarious K. pneumonia from the rhizosphere of sugar cane.…”

Section: Discussionmentioning

confidence: 99%

Production of Plant Beneficial and Antioxidants Metabolites by Klebsiellavariicola under Salinity Stress

et al. 2021

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“…However, they both exist in forms that are unavailable to plants. As a result, many growers use synthetic fertilizers that are not environmentally friendly [ 42 , 43 ]. Previous studies have reported that phosphate solubilizing bacteria improves the nutrient availability in the soil, sparking plant growth and production of major crops [ 44 ].…”

Section: Discussionmentioning

confidence: 99%

“…Major differences were noted on the root length and shoot length. Based on the previous research reports, beneficial bacteria initiate changes in the physiochemical forms of seeds, shoots, and roots, and improve seedling nutrient uptake which helps to overcome environmental stresses affecting seed germination and seedling growth [ 42 , 52 ]. Biofilms are extracellular matrices that plays a role in the root tip colonization by the beneficial bacteria such as Bacillus , Pseudomonas , Salmonella and Staphylococcus [ 53 ].…”

Section: Discussionmentioning

confidence: 99%

Evaluating the potential of Bacillus licheniformis YZCUO202005 isolated from lichens in maize growth promotion and biocontrol

Medison,

Jiang,

Medison

et al. 2023

Heliyon

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“…In terms of metabolic activity, Burkholderia arboris and Massilia sp. are both phosphate-mobilizing bacteria [67,69]. The dominance of these species can be correlated to their capacity to tolerate pollution stress.…”

Section: Phylogenetic Tree Of Selected Dominant Speciesmentioning

confidence: 99%

Bacterial Community Structure, Diversity, and Fertility of Soil with and without Press Mud in Two Sites in Panay, Philippines

Billonid¹,

Padilla²,

Muege³

et al. 2023

J.Trop.Life.Science

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Sugarcane farmers commonly use press mud as organic fertilizer to improve the properties of soil and increase crop production. This study compared the effects of press mud on bacterial community structure, bacterial diversity, and physicochemical parameters of sugar mill soil in two sites, the URC Passi Sugar Central and Passi Sugar Central, Inc. both in Panay, Philippines. DNA and soil analyses were conducted to characterize the soil samples with and without press mud from both sites. The results showed that all nutrient contents increased in both areas after press mud application, except in URC Passi Sugar Central, where no increase in phosphorus and sulfur was observed. Bacterial diversity did not significantly increase six months after press mud application. Community pattern results showed that if soil samples within sites were compared, soil with press mud was significantly higher compared to the soil without press mud in terms of OTU richness (Capiz sugar central: 46.00±1.00, 40.00±1.50, respectively; URC Passi Sugar Central: 48.00±0.50, 45.00±0.00, respectively) and carrying capacity (Capiz sugar central: 169±7.36, 125±9.48, respectively; URC Passi Sugar Central: 181±3.80, 162±0.00, respectively) (p<0.05). The same trend was observed in soil samples between sites that were compared. Soil without press mud from URC Passi Sugar Central had a significantly higher compared with soil without press mud of Capiz Sugar Central in terms of OTU richness (45.00±0.00, 40.00±1.50, respectively) and carrying capacity (162±0.00, 125±9.48, respectively) (p<0.05). However, no significant difference was observed in soil with press mud between the two sites in OTU richness, carrying capacity, Shannon, and Evenness analyses (p>0.05). The phylogenetic tree analysis showed that Massilia sp. is closely related to Burkholderia arboris, and Lysobacter sp. is closely related to both Massilia sp.and B. arboris. Generally, press mud application helps increase the available nutrients, diversity, and community patterns in soil, making it good organic fertilizer.

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Phosphorus Solubilizing Bacteria from Tea Soils and their Phosphate Solubilizing Abilities

Cited by 8 publications

References 0 publications

Production of Plant Beneficial and Antioxidants Metabolites by Klebsiellavariicola under Salinity Stress

Production of Plant Beneficial and Antioxidants Metabolites by Klebsiellavariicola under Salinity Stress

Evaluating the potential of Bacillus licheniformis YZCUO202005 isolated from lichens in maize growth promotion and biocontrol

Bacterial Community Structure, Diversity, and Fertility of Soil with and without Press Mud in Two Sites in Panay, Philippines

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