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논문 기본 정보

자료유형
학술저널
저자정보
Buddhi Charana Walpola (University of Ruhuna) KKIU Arunakumara (University of Ruhuna) Jun-Seob Song (Chungnam National University) Chan-Jung Lee (RDA) Min-Ho Yoon (Chungnam National University)
저널정보
한국토양비료학회 한국토양비료학회지 한국토양비료학회지 제47권 제4호
발행연도
2014.8
수록면
290 - 298 (9page)

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A bacterial strain with the potential ability to solubilize heavy metals was isolated from heavy metal contaminated soils collected from abandoned mines of Boryeong area in South Korea. The bacterial strain with the highest degree of metal resistance was shown to have close proximity with Shewanella xiamenensis FJ589031, according to 16S rRNA sequence analysis, and selected for investigating the mobilization of metals in soil or plant by the strain. The strain was found to be capable of solubilizing metals both in the absence and in the presence of metals (Co, Pb and Cd). Metal mobilization potential of the strain was assessed in a batch experiment and the results showed that inoculation could increase the concentrations of water soluble Co, Pb and Cd by 48, 34 and 20% respectively, compared with those of non-inoculated soils. Bacterial-assisted growth promotion and metal uptake in sunflower (Helianthus annuus) was evaluated in a pot experiment. In comparison with non-inoculated seedlings, the inoculation led to increase the growth of H. annuus by 24, 18 and 16% respectively in Co, Pb and Cd contaminated soils. Moreover, enhanced accumulation of Co, Pb and Cd in the shoot and root systems was observed in inoculated plants, where metal translocation from root to the above-ground tissues was also found to be enhanced by the strain. Plant growth promotion and metal mobilizing potential of the strain suggest that the strain could effectively be employed in enhancing phytoextraction of Co, Pb and Cd from contaminated soils.
#Mobilization #Shewanella xiamenensis HM14 #Bioaugmentation #Sunflower

목차

Introduction
Materials and Methods
Results
Discussion
Conclusion
References

참고문헌 (54)

참고문헌 신청
1. [학술지(정기간행물)] - Abou-Shanab, R.A.I. / 2006 / Bacterial inoculants affecting nickel uptake by Alyssum murale from low, moderate and high Ni soils / Soil Biol. Biochem 38 : 2882 ~ 2889 google schola 2. [학술지(정기간행물)] - Abou-Shanab, R.A.I. / 2007 / Heavy metal resistance and genotypic analysis of metal resistance genes in gram-positive and gram-negative bacteria present in Ni-rich serpentine soil and in the rhizosphere of Alyssum murale / Chemosphere 68 : 360 ~ 367 google schola 3. [단행본] - Arunakumara, K.K.I.U. / 2011 / Bio-management of Metal Contaminated Soils- 2011 / Springer, Springer Science + Business Media B.V : 439 ~ 457 google schola 4. [학술지(정기간행물)] - K.K.I.U. Arunakumara / 2013 / Banana Peel: A Green Solution for Metal Removal from Contaminated Waters / 한국환경농학회지 32 (2) : 108 ~ 116 Crossref 5. [학술지(정기간행물)] - KKIU Arunakumara / 2013 / Agricultural Methods for Toxicity Alleviation in Metal Contaminated Soils: A Review / 한국토양비료학회지(Korean Journal of Soil Science and Fertilizer) 46 (2) : 73 ~ 80 dbpia

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