文献类型: 外文期刊
第一作者: Tang, K.
作者: Tang, K.;Fang, F.;Yang, H. R.;Huang, W. D.;Fang, F.
作者机构:
关键词: gene: expression;polyclonal antibody;resveratrol: 501-36-0;biosynthesis;stilbene synthase: STS;66304-29-8Sequence DataEU156062: GenBank;EMBL;DDJB;nucleotide sequence;enzyme activity;subcellular localization;UV-C irradiation
期刊名称:RUSSIAN JOURNAL OF PLANT PHYSIOLOGY ( 影响因子:1.481; 五年影响因子:1.608 )
ISSN:
年卷期:
页码:
收录情况: SCI
摘要: Stilbene synthase (STS) is a pivotal enzyme that catalyzes the biosynthesis of resveratrol and could be induced by UV-C irradiation. However, at present the effect of UV-C irradiation on tissue and subcellular localization of STS is not studied. In this work, subcellular localization of STS in young grape (Vitis vinifera L. cv. Cabernet Sauvignon) plants exposed to UV-C was examined immunohistochemically using a polyclonal antibody raised against grape berry STS. The immunohistochemical analysis showed that the UV-induced STS occurred in palisade tissues of grape leaves and phloem tissues of grape leaf veins, stems, and roots. At the subcellular level, the enhanced STS stimulated by UV-C light was visualized in the cell walls, chloroplasts (plastids), cytoplasm, and nucleus of the phloem (stems and roots), while only in chloroplasts in mesophyll cells. This distribution pattern of STS arising in response to UV-C irradiation may be closely involved in its defense function, which needs much more in-depth evidence to confirm.
分类号: Q94
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