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논문 기본 정보

자료유형
학술저널
저자정보
Han Sung Min (국립생태원) Nam Kyong-Hee (National Institute of Ecology)
저널정보
한국식물생명공학회 Plant Biotechnology Reports Plant Biotechnology Reports 제16권 제5호
발행연도
2022.10
수록면
519 - 528 (10page)
DOI
10.1007/s11816-022-00784-8

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Transgenic crops for environmental remediation can help in improving polluted areas by increasing plant absorption capac- ity or resistance to pollutant toxicity. Risk assessment of these crops requires comparative analysis vis-à-vis non-transgenic counterparts in the possible receiving environments. In this study, we first established a risk assessment environment for transgenic crops by simulating a heavy metal contamination site in pots using soil from an abandoned mine. Second, we investigated how traits and heavy metal concentrations changed in plants grown in contaminated and uncontaminated soils using sunflower as a study system. We found that the concentration of heavy metals in the contaminated soil increased by 3.5–1543.7 times compared with that in the uncontaminated soil. Increased levels of heavy metals in the soil shortened the flowering period of sunflower plants and caused changes in phenotypic performance despite cultivar differences. Addition- ally, heavy metal accumulation was significantly increased in the roots and leaves of sunflowers grown on contaminated soil. Based on these results, we confirmed that the polluted environment was appropriately set to evaluate its effect on the remediation ability and environmental risk of transgenic crops. Our findings might contribute to developing standards for risk assessment and safety management of transgenic crops for environmental remediation in the future.

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