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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국미생물생명공학회 Journal of Microbiology and Biotechnology Journal of Microbiology and Biotechnology 제25권 제7호
- 발행연도
- 2015.1
- 수록면
- 1,119 - 1,128 (10page)
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초록· 키워드
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1-Aminocyclopropane-1-carboxylate (ACC) deaminase, which is encoded by some bacteria, can reduce the amount of ethylene, a root elongation inhibitor, and stimulate the growth of plants under various environmental stresses. The presence of ACC deaminase activity and the regulation of ACC in several rhizospheric bacteria have been reported. The nitrogen-fixing Pseudomonas stutzeri A1501 is capable of endophytic association with rice plants and promotes the growth of rice. However, the functional identification of ACC deaminase has not been performed. In this study, the proposed effect of ACC deaminase in P. stutzeri A1501 was investigated. Genome mining showed that P. stutzeri A1501 carries a single gene encoding ACC deaminase, designated acdS. The acdS mutant was devoid of ACC deaminase activity and was less resistant to NaCl and NiCl2 compared with the wild-type. Furthermore, inactivation of acdS greatly impaired its nitrogenase activity under salt stress conditions. It was also observed that mutation of the acdS gene led to loss of the ability to promote the growth of rice under salt or heavy metal stress. Taken together, this study illustrates the essential role of ACC deaminase, not only in enhancing the salt or heavy metal tolerance of bacteria but also in improving the growth of plants, and provides a theoretical basis for studying the interaction between plant growth-promoting rhizobacteria and plants.
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참고문헌 (23)
참고문헌 신청
Adesemoye AO / 2008 / Comparison of plant growth-promotion with Pseudomonas aeruginosa and Bacillus subtilis in three vegetables / Braz. J. Microbiol 39 : 423 ~ 426
Adesemoye AO / 2009 / Evaluating Pseudomonas aeruginosa as plant growth-promoting rhizobacteria in West Africa / Arch. Phytopathol. Plant Protect 42 : 188 ~ 200
Ali S / 2014 / Amelioration of high salinity stress damage by plant growth-promoting bacterial endophytes that contain ACC deaminase / Plant Physiol. Biochem 80 : 160 ~ 167
Arshad M / 2002 / Ethylene: Agricultural Resources and Applications / Springer Science & Business Media
Battesti A / 2011 / The RpoSmediated general stress response in Escherichia coli / Annu. Rev. Microbiol 65 : 189 ~ 213
Adesemoye AO / 2009 / Evaluating Pseudomonas aeruginosa as plant growth-promoting rhizobacteria in West Africa / Arch. Phytopathol. Plant Protect 42 : 188 ~ 200
Ali S / 2014 / Amelioration of high salinity stress damage by plant growth-promoting bacterial endophytes that contain ACC deaminase / Plant Physiol. Biochem 80 : 160 ~ 167
Arshad M / 2002 / Ethylene: Agricultural Resources and Applications / Springer Science & Business Media
Battesti A / 2011 / The RpoSmediated general stress response in Escherichia coli / Annu. Rev. Microbiol 65 : 189 ~ 213
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