Expression of genes for two phosphofructokinases, tonoplast ATPase subunit A, and pyrophosphatase of tea roots in response to phosphorus-deficiency
文献类型： 外文期刊
作者： Lin, Zheng-He 1 ; Chen, Li-Song 1 ; Chen, Rong-Bing 2 ; Zhang, Fang-Zhou 1 ; Yang, Lin-Tong 1 ; Tang, Ning 1 ;
作者机构： 1.Fujian Agr & Forestry Univ, Coll Hort, Fuzhou 350002, Peoples R China
2.Fujian Acad Agr Sci, Tea Res Inst, Fuan 355015, Peoples R China
期刊名称：JOURNAL OF HORTICULTURAL SCIENCE & BIOTECHNOLOGY （ 影响因子：1.641； 五年影响因子：1.616 ）
ISSN： 1462-0316
年卷期： 2010 年 85 卷 5 期
页码：
收录情况： SCI
摘要： Limited data are available on the levels of expression of the genes encoding ATP-dependent phosphofructokinase (ATP-PFK), pyrophosphate-dependent phosphofructokinase (PPi-PFK), tonoplast adenosinetriphosphatase (V-ATPase) subunit A, and tonoplast pyrophosphatase (V-PPiase) in response to phosphorus (P)-deficiency. Tea (Camellia sinensis) is a useful species in which to investigate adaptations to P-deficiency in higher plants due to its high tolerance to P-deficiency. Partial cDNAs encoding these four enzymes were isolated from tea roots. Thereafter, semi-quantitative RT-PCR was performed to analyse the levels of expression of these four genes in tea roots in response to P-deficiency. The results showed that P-deficiency decreased the levels of expression of the genes for ATP-PFK and V-ATPase subunit A, whereas not only did it not decrease, but it slightly increased the levels of expression of the genes for PPi-PFK and V-PPiase. This may contribute to the high tolerance of tea plants to P-deficiency.
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