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

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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
Author(s)
H Y Kang; Dong Jin Park; Jae-Chan Lee; Mi-Kyung Kwon; S B Kim; Chang-Jin Kim
Bibliographic Citation
Journal of Applied Biological Chemistry, vol. 55, no. 2, pp. 129-133
Publication Year
2012
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.
Keyword
1-aminocyclopropane-1-carboxylic acid deaminase
ISSN
1229-2737
Publisher
Springer
DOI
http://dx.doi.org/10.3839/jabc.2011.070
Type
Article
Appears in Collections:
Division of Biomaterials Research > Industrial Bio-materials Research Center > 1. Journal Articles
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