지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 충남대학교 농업과학연구소 Korean Journal of Agricultural Science Korean Journal of Agricultural Science Vol.43 No.1
- 발행연도
- 2016.3
- 수록면
- 100 - 108 (9page)
이용수
초록· 키워드
오류제보하기
An auxin-producing bacteria (strain 5-1) was isolated from button mushroom compost in Boryeong-Si, Chungcheongnam-Do. The 5-1 strain was classified as a novel strain of Enterobacter aerogenes based on chemotaxonomic and phylogenetic analyses. The isolated E. aerogenes 5-1 was confirmed to produce indole-3-acetic acid (IAA), one of the auxin hormones, using TLC and HPLC analyses. When the concentration of IAA was assessed by performing HPLC quantitative analysis, a maximum concentration of IAA of 109.9 mg L-1was detected in the culture broth incubated in R2A medium containing 0.1% L-tryptophan for 24 h at 35℃. Acidification of the culture was deemed caused by an increase of IAA because a negative relationship between IAA production and pH was observed. Supplementation with a known precursor of IAA production, L-tryptophan, appeared to induce maximal production at 0.1% concentration, but it reduced production at concentrations above 0.2%. To investigate the growth-promoting effects to crops, the culture broth of E. aerogenes 5-1 was used to inoculate water cultures and seed pots of mung bean and lettuce. In consequence, adventitious root induction and root growth of mung bean and lettuce were two times higher than those of the control.
목차
Abstract
Introduction
Materials and Methods
Results and Discussion
Conclusion
References
참고문헌 (18)
참고문헌 신청
Anroun H, Beauchamp CJ, Goussard N, Chabot R, Lalande R. 1998. Potential of Rhizobium and Bradyrhizobium species as plantgrowth promoting rhizobacteria on non-legumes: effect on radishes (Raphanus sativus L.). Plant Soil 204: 57-67.
Barazani O, Friedman J. 1999. Is IAA the major root growth factor secreted from plant-growth-mediating bacteria. Journal ofChemical Ecology 25:2397-2406.
Ezaki T, Hashimoto Y, Yabuuchi E. 1989. Fluorometric deoxyribonucleic acid-deoxyribonucleic acid hybridization in micro-dilutionwells as an alternative to membrane filter hybridization in which radioisotopes are used to determine genetic relatedness amongbacterial strains. International journal of Systematic Bacteriology 39:224-229.
Gamalero E, Fracchia L, Cavaletto M, Garbaye J, Frey-Klett P, Varese GC, Martinotti MG. 2003. Characterization of functional traitsof two fluorescent Pseudomonas isolated from basidiomycetes of ectomycorrhizal fungi. Soil Biology & Biochemistry 35:55-63.
Joshi KK, Kumer V, Dubey RC, Masheshwari DK, Bajapai VK, Kang SC. 2006. Effect of chemical fertilizer-adaptive variants,Pseudomonas aerugininosa GRC2 and Azotobacter chroococcum ACI, on macrophominia paseolina causing charcoal rot ofBrassica juncea. Korean Journal of Environmental Agriculture 25:228-235.
Barazani O, Friedman J. 1999. Is IAA the major root growth factor secreted from plant-growth-mediating bacteria. Journal ofChemical Ecology 25:2397-2406.
Ezaki T, Hashimoto Y, Yabuuchi E. 1989. Fluorometric deoxyribonucleic acid-deoxyribonucleic acid hybridization in micro-dilutionwells as an alternative to membrane filter hybridization in which radioisotopes are used to determine genetic relatedness amongbacterial strains. International journal of Systematic Bacteriology 39:224-229.
Gamalero E, Fracchia L, Cavaletto M, Garbaye J, Frey-Klett P, Varese GC, Martinotti MG. 2003. Characterization of functional traitsof two fluorescent Pseudomonas isolated from basidiomycetes of ectomycorrhizal fungi. Soil Biology & Biochemistry 35:55-63.
Joshi KK, Kumer V, Dubey RC, Masheshwari DK, Bajapai VK, Kang SC. 2006. Effect of chemical fertilizer-adaptive variants,Pseudomonas aerugininosa GRC2 and Azotobacter chroococcum ACI, on macrophominia paseolina causing charcoal rot ofBrassica juncea. Korean Journal of Environmental Agriculture 25:228-235.
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UCI(KEPA) : I410-ECN-0101-2016-480-002738517