Plant flavonoids--biosynthesis, transport and involvement in stress responses.
Plant flavonoids--biosynthesis, transport and involvement in stress responses.
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DOI：
10.3390/ijms140714950
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发表时间：
2013-07-17
影响因子：
5.6
通讯作者：
Vianello A
中科院分区：
文献类型：
--
作者：
Petrussa E;Braidot E;Zancani M;Peresson C;Bertolini A;Patui S;Vianello A
本文以葡萄（Vitis vinifera L.）为研究对象，分析了黄酮类化合物的合成、在植物细胞间的输入和输出，以及它们在逆境反应中的作用。一种多药和有毒化合物挤压（MATE）以及ABC转运蛋白已经在葡萄浆果的细胞质中被证实，在那里它们执行类黄酮运输。谷胱甘肽s -转移酶（GST）基因的参与也被推断。最近，在葡萄果皮和果肉中发现了一种类似哺乳动物胆汁酸转位酶（BTL）的类黄酮载体。在果皮中，BTL的表达模式从收割阶段开始增加，而在果肉中，BTL的表达在早熟阶段达到最大值。此外，BTL在维管束中的存在表明它参与了黄酮类化合物的长距离运输。此外，还讨论了植物中负责类黄酮运输的囊泡运输的存在。最后，描述了黄酮类化合物在应激反应中的作用。
This paper aims at analysing the synthesis of flavonoids, their import and export in plant cell compartments, as well as their involvement in the response to stress, with particular reference to grapevine (Vitis vinifera L.). A multidrug and toxic compound extrusion (MATE) as well as ABC transporters have been demonstrated in the tonoplast of grape berry, where they perform a flavonoid transport. The involvement of a glutathione S-transferase (GST) gene has also been inferred. Recently, a putative flavonoid carrier, similar to mammalian bilitranslocase (BTL), has been identified in both grape berry skin and pulp. In skin the pattern of BTL expression increases from véraison to harvest, while in the pulp its expression reaches the maximum at the early ripening stage. Moreover, the presence of BTL in vascular bundles suggests its participation in long distance transport of flavonoids. In addition, the presence of a vesicular trafficking in plants responsible for flavonoid transport is discussed. Finally, the involvement of flavonoids in the response to stress is described.
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影响因子：
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