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The Tryptophan Decarboxylase in Solanum lycopersicum

文献类型： 外文期刊

作者： Pang, Xin 1 ; Wei, Yanping 2 ; Cheng, Yuan 2 ; Pan, Luzhao 3 ; Ye, Qingjing 2 ; Wang, Rongqing 2 ; Ruan, Meiying 2 ; Zhou 1 ;

作者机构： 1.Suzhou Polytech Inst Agr, Suzhou 215008, Peoples R China

2.Zhejiang Acad Agr Sci, Inst Vegetables, Hangzhou 310021, Zhejiang, Peoples R China

3.Yangtze Univ, Coll Hort & Gardening, Jingzhou 434023, Peoples R China

4.Zhejiang Mariculture Res Inst, Zhejiang Key Lab Exploit

关键词： tryptophan decarboxylase; structural features; expression profiles; phylogenetic relationship

期刊名称：MOLECULES （ 影响因子：4.411； 五年影响因子：4.587 ）

ISSN： 1420-3049

年卷期： 2018 年 23 卷 5 期

页码：

收录情况： SCI

摘要： Melatonin plays an important role in plant growth, development, and environmental stress. In this study, a systematic analysis of tomato tryptophan decarboxylase (SlTrpDC), which is the first enzyme of melatonin biosynthesis, was conducted by integrating structural features, phylogenetic relationships, an exon/intron feature, and a divergent expression profile. The results determined that the tomato genome encoded five members (SlTrpDC1-SlTrpDC5). The phylogenetic relationships indicated that gene expansion was proposed as the major mode of evolution of the TrpDC genes from the different plant algae species to the higher plants species. The analyses of the exon/intron configurations revealed that the intron loss events occurred during the structural evolution of the TrpDCs in plants. Additionally, the RNA-seq and qRT-PCR analysis revealed that the expression of the SlTrpDC3 was high in all of the tested tissues, while the SlTrpDC4 and SlTrpDC5 were not expressed. The expression patterns of the remaining two (SlTrpDC1 and SlTrpDC2) were tissue-specific, which indicated that these genes may play important roles within the different tissues. No expression difference was observed in the tomato plants in response to the biotic stresses. This study will expand the current knowledge of the roles of the TrpDC genes in tomato growth and development.

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