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.
이용수
초록· 키워드
오류제보하기
Though there is an abundant supply of nitrogen in the atmosphere, it cannot be used directly by the biological systems since it has to be combined with the element hydrogen before their incorporation. This process of nitrogen fixation (N₂-fixation) may be accomplished either chemically or biologically. Between the two elements, biological nitrogen fixation (BNF) is a microbiological process that converts atmospheric di-nitrogen (N₂) into plant-usable form. In this review, the genetics and mechanism of nitrogen fixation including genes responsible for it, their types and role in BNF are discussed in detail. Nitrogen fixation in the different agricultural systems using different methods is discussed to understand the actual rather than the potential N₂-fixation procedure. The mechanism by which the diazotrophic bacteria improve plant growth apart from nitrogen fixation such as inhibition of plant ethylene synthesis, improvement of nutrient uptake, stress tolerance enhancement, solubilization of inorganic phosphate and mineralization of organic phosphate is also discussed. Role of diazotrophic bacteria in the enhancement of nitrogen fixation is also dealt with suitable examples. This mini review attempts to address the importance of diazotrophic bacteria in nitrogen fixation and plant growth improvement.
목차
Introduction
Discovery of nitrogen fixers
Genetics of BNF
The genes responsible for biological nitrogen fixation
nifH as a marker gene
Contribution of biological nitrogen fixation in nitrogen requirement
Estimation of nitrogen fixation in the different agricultural systems
Acetylene Reduction Assay
Total nitrogen difference (TND) method
N-solute Analysis of Xylem Exudate
¹⁵N Methods
The diversity of diazotrophic bacteria
Plant growth promotion by diazotrophic bacteria
Conclusion
References
참고문헌 (85)
참고문헌 신청
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Araújo, A.E. da S., V.L.D. Baldani, P. de S. Galisa, J.A. Pereira, and J.I. Baldani. 2013. Response of traditional upland rice varieties to inoculation with selected diazotrophic bacteria isolated from rice cropped at the Northeast region of Brazil. Appl. Soil Ecol. 64:49-55. doi:10.1016/j.apsoil. 2012.10.004.
Aslantaş, R., R. Çakmakçi, and F. Şahin. 2007. Effect of plant growth promoting rhizobacteria on young apple tree growth and fruit yield under orchard conditions. Sci. Hort. 111: 371-377. doi:10.1016/j.scienta.2006.12.016.
Bahulikar, R.A., I. Torres-Jerez, E. Worley, K. Craven, and M.K. Udvardi. 2014. Diversity of nitrogen-fixing bacteria associated with switchgrass in the native tallgrass prairie of northern Oklahoma. Appl. Environ. Microbiol. 80:5636-43. doi:10.1128/AEM.02091-14.
Banchio, E., P.C. Bogino, J. Zygadlo, and W. Giordano. 2008. Plant growth promoting rhizobacteria improve growth and essential oil yield in Origanum majorana L. Biochem. Syst. Ecol. 36:766-771. doi:10.1016/j.bse.2008.08.006.
Araújo, A.E. da S., V.L.D. Baldani, P. de S. Galisa, J.A. Pereira, and J.I. Baldani. 2013. Response of traditional upland rice varieties to inoculation with selected diazotrophic bacteria isolated from rice cropped at the Northeast region of Brazil. Appl. Soil Ecol. 64:49-55. doi:10.1016/j.apsoil. 2012.10.004.
Aslantaş, R., R. Çakmakçi, and F. Şahin. 2007. Effect of plant growth promoting rhizobacteria on young apple tree growth and fruit yield under orchard conditions. Sci. Hort. 111: 371-377. doi:10.1016/j.scienta.2006.12.016.
Bahulikar, R.A., I. Torres-Jerez, E. Worley, K. Craven, and M.K. Udvardi. 2014. Diversity of nitrogen-fixing bacteria associated with switchgrass in the native tallgrass prairie of northern Oklahoma. Appl. Environ. Microbiol. 80:5636-43. doi:10.1128/AEM.02091-14.
Banchio, E., P.C. Bogino, J. Zygadlo, and W. Giordano. 2008. Plant growth promoting rhizobacteria improve growth and essential oil yield in Origanum majorana L. Biochem. Syst. Ecol. 36:766-771. doi:10.1016/j.bse.2008.08.006.
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UCI(KEPA) : I410-ECN-0101-2016-521-002650683