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This paper reports on a hydroponics experiment that was conducted to investigate the effect of inorganic arsenics on the seedlings of the rice cultivar Shanyou63. The seedlings were subjected to two treatments, i.e., As(III) and As(V). The results showed that the morphological traits of the seedlings were significantly altered after the arsenic treatments. Analysis of nitrogen, phosphorus, potassium, and arsenic contents of the roots and leaves of the seedlings indicated that the absorption of phosphorus and potassium was mainly affected by As(III), while that of nitrogen was mainly affected by As(V). The expression of 12 genes involved in the absorption and utilization of nitrogen, phosphorus, and potassium were all observed to be down-regulated after the arsenic treatments. As(V) significantly affected the absorption and utilization of nitrogen, while As(III) significantly affected those of phosphorus and potassium. The result obtained by realtime FQ-PCR regarding the difference in the gene expressions agreed with that of our hydroponics experiment.
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Opis fizyczny
p.245-251,fig.,ref.
Twórcy
autor
- School of Life Sciences/Agroecological Institute, Fujian Agriculture and Forestry University, 350002 Fuzhou, China
autor
- Key Laboratory of Biopesticide and Chemical Biology, Ministry of Education, Fuzhou, China
autor
- School of Life Sciences/Agroecological Institute, Fujian Agriculture and Forestry University, 350002 Fuzhou, China
autor
- School of Life Sciences/Agroecological Institute, Fujian Agriculture and Forestry University, 350002 Fuzhou, China
autor
- School of Life Sciences/Agroecological Institute, Fujian Agriculture and Forestry University, 350002 Fuzhou, China
autor
- Key Laboratory of Biopesticide and Chemical Biology, Ministry of Education, Fuzhou, China
- School of Life Sciences/Agroecological Institute, Fujian Agriculture and Forestry University, 350002 Fuzhou, China
Bibliografia
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Typ dokumentu
Bibliografia
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