ISOLATION AND EVALUATION OF LEAD (PB) -TOLERANT PLANT GROWTH PROMOTING RHIZOBACTERIA FROM A SOIL CONTAINING PB FOR LONG TERM

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NADER M.R.; DANESH SHAHRAKI A.; RAIESI F.; NIKOOKHAH F.

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Journal: Journal of Water and Soil Year:2015 | Volume:28 | Issue:6 Page(s): 1238-1249

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Title

ISOLATION AND EVALUATION OF LEAD (PB) -TOLERANT PLANT GROWTH PROMOTING RHIZOBACTERIA FROM A SOIL CONTAINING PB FOR LONG TERM

Author(s)

NADER M.R. | DANESH SHAHRAKI A. | RAIESI F. | NIKOOKHAH F. | Issue Writer Certificate

Keywords

PB-TOLERANT RHIZOBACTERIAQ2

MINIMUM INHIBITORY CONCENTRATION (MIC)Q2

INDOLE ACETIC ACIDQ2

SIDEROPHOREQ2

ACC-DEAMINASEQ2

LEAD CARBONATE SOLUBILIZATIONQ2

Abstract

This study was performed in order to isolate lead (Pb) -tolerant plant growth promoting rhizobacteria in Pb contaminated soils and to evaluate their potential for production of plant promoting substances. The isolated Pb tolerant rhizobacteria were identified as Rhodococcus sp., Bacillus stearothermophilus strain A, Corynebacterium sp., Bacillus pumilus, Mycobacterium sp., Bacillus stearothermophilus strain B, Bacilluslicheniformis and Bacillus sp. The results showed that all isolates were able to tolerate high concentrations of Pb. The minimum inhibitory concentration (MIC) of these bacteria was in the range of 1100-1720 mg 1-1 (3.3-5.19mM). In addition, all isolates produced IAA (ranging from 3.53 to 43.64 mg 1-1) and SIDEROPHORE (ranging from57.74 to 86.24%). However, only two isolates (i.e., Bacillus licheniformis and Mycobacterium sp.) had theability to produce bacterial enzyme ACC-DEAMINASE. Inoculation of medium containing poorly soluble PbCO3 with bacterial strain Corynebacterium sp. significantly increased the available concentration of Pb.

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APA: Copy

NADER, M.R., DANESH SHAHRAKI, A., RAIESI, F., & NIKOOKHAH, F.. (2015). ISOLATION AND EVALUATION OF LEAD (PB) -TOLERANT PLANT GROWTH PROMOTING RHIZOBACTERIA FROM A SOIL CONTAINING PB FOR LONG TERM. JOURNAL OF WATER AND SOIL (AGRICULTURAL SCIENCES AND TECHNOLOGY), 28(6), 1238-1249. SID. https://sid.ir/paper/141187/en

Vancouver: Copy

NADER M.R., DANESH SHAHRAKI A., RAIESI F., NIKOOKHAH F.. ISOLATION AND EVALUATION OF LEAD (PB) -TOLERANT PLANT GROWTH PROMOTING RHIZOBACTERIA FROM A SOIL CONTAINING PB FOR LONG TERM. JOURNAL OF WATER AND SOIL (AGRICULTURAL SCIENCES AND TECHNOLOGY)[Internet]. 2015;28(6):1238-1249. Available from: https://sid.ir/paper/141187/en

IEEE: Copy

M.R. NADER, A. DANESH SHAHRAKI, F. RAIESI, and F. NIKOOKHAH, “ISOLATION AND EVALUATION OF LEAD (PB) -TOLERANT PLANT GROWTH PROMOTING RHIZOBACTERIA FROM A SOIL CONTAINING PB FOR LONG TERM,” JOURNAL OF WATER AND SOIL (AGRICULTURAL SCIENCES AND TECHNOLOGY), vol. 28, no. 6, pp. 1238–1249, 2015, [Online]. Available: https://sid.ir/paper/141187/en

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