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Aluminum induced metabolic responses in two tea cultivars

文献类型： 外文期刊

作者： Xu, Qingshan 1 ; Wang, Yu 1 ; Ding, Zhaotang 1 ; Song, Lubin 3 ; Li, Yusheng 4 ; Ma, Dexin 5 ; Wang, Yi 6 ; Shen, Jiazhi; 1 ;

作者机构： 1.Qingdao Agr Univ, Coll Hort, Qingdao 266109, Peoples R China

2.Anhui Agr Univ, State Key Lab Tea Plant Biol & Utilizat, Hefei 230036, Peoples R China

3.Shandong Acad Agr Sci, Inst Pomol, Tai An 271000, Shandong, Peoples R China

4.Fruit & Tea Technol Extens Stn, Jinan 250013, Shandong, Peoples R China

5.Qingdao Agr Univ, Commun Coll, Qingdao 266109, Peoples R China

6.Qingdao Fruits Tea & Flowers Workstn, Qingdao 266071, Peoples R China

7.Taishan Acad Forestry Sci, Tai An 271000, Shandong, Peoples R China

关键词： Camellia sinensis (L.);Root growth;Aluminum sulfate;Metabolic profiles

期刊名称：PLANT PHYSIOLOGY AND BIOCHEMISTRY （ 影响因子：4.27； 五年影响因子：4.816 ）

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收录情况： SCI

摘要： Tea [Camellia sinensis (L.)], is an aluminum (Al3+) hyperaccumulator plant and grows well in acid soils. In the present study, roots of two tea cultivars, JHC and YS were treated with different concentrations of Al3+. After treatments, the root length, dry matter, root activity and chlorophyll content (SPAD value) of JHC had greater increase than that of YS. We also detected metabolic changes of two varieties using GC MS method. Comparison between two cultivars indicated that shikimic pathway was more enhanced in YS roots by Ala} with higher levels of catechine, quinic acid and shikimic acid. While, more active amino acid synthesis was found in JHC roots and JHC leaves remained the higher level contents of metabolites related to cysteine synthesis. The comparison also showed that a large amount of sugar alcohols were accumulated in roots of two varieties, whereas most of them were reduced in YS leaves. Other well-known ligands, such as phosphoric acid and malic acid were observed in two cultivars that showed significantly altered abundances under Al3+ treatments. The results indicated that Al3+ adaptation of two cultivars may be correlated with their differential metabolism of amino acids, sugars and shikimic acids. (C) 2016 Elsevier Masson SAS. All rights reserved.

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