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Title 

Isolation of Agrobacterium sp. BE516 from the root of Miscanthus sacchariflorus and its plant growth promoting activity

 

물억새 뿌리로부터 Agrobacterium sp. BE516 균주의 분리 및 식물 생육촉진 활성

Authors 

H Y KangDong Jin ParkJae-Chan LeeMi-Kyung KwonS B KimChang-Jin Kim

Publisher 

Korean Society of Applied Biological Chemistry

Issue Date 

2012

Citation 

Journal of Applied Biological Chemistry, vol. 55, no. 2, pp. 129-133

Keywords 

1-aminocyclopropane-1-carboxylic acid deaminase

Abstract 

To exploit plant growth promoting bacteria in the roots of Miscanthus sacchariflorus, a biomass energy crop, total 64 bacteria were isolated. For the investigation of plant growth promoting effects from the isolated bacteria, production of indole acetic acid (IAA) and 1-aminocyclopropane-1-carboxylic acid (ACC) deaminase activities were tested and other cultural conditions were examined. As results, 8 isolates showed plant growth promoting effects on the M. sacchariflorus and an isolate designated Agrobacterium sp. BE516 has the highest activity by enhancing the shoot elongation over 2-fold than the control. Agrobacterium sp. BE516 produced 64 μg IAA per mL and showed ACC deaminase activity which is involved in the resistance to environmental stress such as high salt and drought. It could grow at low temperature in the range from 4 to 15oC, at pH 4.0 and at 4% NaCl. These results indicate that the Agrobacterium sp. BE516 can be useful as a bio-fertilizer for M. sacchariflorus under the stressed conditions.

ISSN 

1229-2737

Link 

http://dx.doi.org/10.3839/jabc.2011.070

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2019-05-02


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