POTENTIAL EVALUATION OF SOME NATIVE RHIZOBIA AS PLANT GROWTH PROMOTING BACTERIA AND THEIR ROLE IN DECREASING OF STRESS ETHYLENE

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KHOSRAVI H.; YAKHCHALI B.; ALIKHANI H.A.

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Journal Paper

Paper Information

Journal: IRANIAN JOURNAL OF BIOLOGY Year:2010 | Volume:22 | Issue:4 Page(s): 661-670

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Title

POTENTIAL EVALUATION OF SOME NATIVE RHIZOBIA AS PLANT GROWTH PROMOTING BACTERIA AND THEIR ROLE IN DECREASING OF STRESS ETHYLENE

Author(s)

KHOSRAVI H. | YAKHCHALI B. | ALIKHANI H.A. | Issue Writer Certificate

Keywords

RHIZOBIUMQ2

ACC DEAMINASEQ3

ETHYLENEQ2

BIOFERTILIZERSQ2

Abstract

The amount of ETHYLENE increases in stress conditions in plants. Some of plant growth rhizobacteria contain ACC DEAMINASE enzyme that is capable to convert 1-aminocyclopropane-1-carboxylate, the immediate precursor of ETHYLENE in higher plants to ammonia and a-ketobutyrate that causes decrease in stress ETHYLENE level. In this study 330 strains of indigenous rhizobia including SinoRHIZOBIUM meliloti (168 strains), RHIZOBIUM leguminosarum bv. viciae (44 strains), R. leguminosarum bv. phaseoli (58 strains) and MesoRHIZOBIUM ciceri (60 strains) native to different soils of Iran were evaluated for ACC DEAMINASE production. The results showed that 28.2% of strains synthesized ACC DEAMINASE enzyme. The most number was belonged to the SinoRHIZOBIUM meliloti (46.5%) and the least number to the MesoRHIZOBIUM ciceri (6.7%). The strains with ACC DEAMINASE enzyme were categorized in five groups of 0, 2-4, 4-6, 6-8 and 8-10 mm based on the colony diameter as compared to control. Four isolates of each group were selected for future investigation. The selected isolates did not show phosphate solubilizing properties and HCN production as well. The selected strains synthesize auxine (IAA) between 0-21 μgr.ml-1.24h-1. In these strains, the ability to produce siderophores based on the ratio of corona to colony diameter on CAS agar medium was zero up to 2.7. The future work on these strains would be the development of BIOFERTILIZERS with ACC DEAMINASE properties.

Cites

EFFECT OF ACC DEAMINASE PRODUCINGING NATIVE SINORHIZOBIUM MELILOTI STRAINS IN DROUGHT STRESS CONDITIONS ON GROWTH INDICES OF WHEAT

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APA: Copy

KHOSRAVI, H., YAKHCHALI, B., & ALIKHANI, H.A.. (2010). POTENTIAL EVALUATION OF SOME NATIVE RHIZOBIA AS PLANT GROWTH PROMOTING BACTERIA AND THEIR ROLE IN DECREASING OF STRESS ETHYLENE. IRANIAN JOURNAL OF BIOLOGY, 22(4), 661-670. SID. https://sid.ir/paper/21618/en

Vancouver: Copy

KHOSRAVI H., YAKHCHALI B., ALIKHANI H.A.. POTENTIAL EVALUATION OF SOME NATIVE RHIZOBIA AS PLANT GROWTH PROMOTING BACTERIA AND THEIR ROLE IN DECREASING OF STRESS ETHYLENE. IRANIAN JOURNAL OF BIOLOGY[Internet]. 2010;22(4):661-670. Available from: https://sid.ir/paper/21618/en

IEEE: Copy

H. KHOSRAVI, B. YAKHCHALI, and H.A. ALIKHANI, “POTENTIAL EVALUATION OF SOME NATIVE RHIZOBIA AS PLANT GROWTH PROMOTING BACTERIA AND THEIR ROLE IN DECREASING OF STRESS ETHYLENE,” IRANIAN JOURNAL OF BIOLOGY, vol. 22, no. 4, pp. 661–670, 2010, [Online]. Available: https://sid.ir/paper/21618/en

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