TgMTP1 과발현 애기장대에서 Nickel 흡수 연구

• 영문명: Studies on nickel uptake in transgenic Arabidopsis thaliana introduced with TgMTP1 gene encoding metal tolerance protein
• 발행기관: (사)한국식물생명공학회
• 저자명: 김동균(Donggiun Kim)
• 간행물 정보: 『Journal of Plant Biotechnology』42권 4호, 409~413쪽, 전체 5쪽
• 주제분류: 농수해양 > 기타농수해양
• 파일형태: PDF
• 발행일자: 2015.12.31

영문 초록

To enhance phytoremediation, which removes heavy metal from soil, transgenic plants were applied to contaminated soil. We constructed a transformation vector expressing both TgMTP1 (T. goesingense metal tolerance protein):HA and TgMTP:GFP genes. Transgenic plants were generated using an Agrobacterium-mediated transformation system that expressed the two vectors. Screening and analysis confirmed the incorporation of foreign genes into the Arabidopsis thaliana genome. Callus was induced in the 116 T3 line. These transgenic plants and calli were used for further analyses on the accumulation of Ni. The 116 T3-line plants and calli from selected lines were resistant to heavy metals and accumulated Ni in their leaves. The expression level of TgMTP RNA was equal in all leaves, but protein stability increased in the leaves with Ni treatment. According to these results, we suggest that TgMTP1-overexpressing plants may be useful for phytoremediation of soil.

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키워드

Transgenic plant Phytoremediation Arabidopsis thaliana Heavy metals Ni tolerance