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EFFECT OF NEODYMIUM ION ON MITOCHONDRIAL METABOLISM OF RICE (ORYZA SATIVA)

文献类型: 外文期刊

作者: Mei, Qiming 2 ; Xie, Rong 3 ; Zhou, Xichang 2 ; Liu, Chengyuan 3 ; Zhu, Yingguo 1 ;

作者机构: 1.Wuhan Univ, Coll Life Sci, Wuhan 430072, Peoples R China

2.Wuhan Univ, Ctr Gardens, Wuhan 430072, Peoples R China

3.Sichuan Acad Agr Sci, Luzhou 646000, Peoples R China

期刊名称:PAKISTAN JOURNAL OF BOTANY ( 影响因子:0.972; 五年影响因子:0.988 )

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收录情况: SCI

摘要: Mitochondria were isolated from the F1 Hybrid Rice-Shanyou 63 and the metabolic and thermogenic effect of Nd( III) (0, 8, 15, 20, 40, 60ug·L-1) was determined by the use of ampoule method at 30oC. The thermogenic curves were used to calculate the rate constant (K1), the maximum heat production (Pm) and the total heat production (Q) of mitochondria during activity recovery phase after treatment with Nd( III). The result shows that low concentration Nd( III) stimulated metabolism in the mitochondria which was suppressed by high Nd ( III) concentration treatments. The observed concentration-dependent effect of Nd ( III) on mitochondrial metabolism is similar to plant growth response to rare earth elements. Based on these results, Nd ( III) could haveprimarily interfered in mitochondrial metabolism which would subsequently affect plant growth.

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