Maurel Christophe, Verdoucq Lionel, Luu Doan-Trung, Santoni Véronique
Biochimie et Physiologie Moléculaire des Plantes, SupAgro/INRA/CNRS/UM2 UMR 5004, F-34060 Montpellier Cedex 1, France.
Annu Rev Plant Biol. 2008;59:595-624. doi: 10.1146/annurev.arplant.59.032607.092734.
Aquaporins are channel proteins present in the plasma and intracellular membranes of plant cells, where they facilitate the transport of water and/or small neutral solutes (urea, boric acid, silicic acid) or gases (ammonia, carbon dioxide). Recent progress was made in understanding the molecular bases of aquaporin transport selectivity and gating. The present review examines how a wide range of selectivity profiles and regulation properties allows aquaporins to be integrated in numerous functions, throughout plant development, and during adaptations to variable living conditions. Although they play a central role in water relations of roots, leaves, seeds, and flowers, aquaporins have also been linked to plant mineral nutrition and carbon and nitrogen fixation.
水通道蛋白是存在于植物细胞质膜和内膜中的通道蛋白，它们有助于水和/或小的中性溶质（尿素、硼酸、硅酸）或气体（氨、二氧化碳）的运输。在理解水通道蛋白运输选择性和门控的分子基础方面取得了最新进展。本综述探讨了广泛的选择性特征和调节特性如何使水通道蛋白在植物整个发育过程以及适应多变生活条件期间整合到众多功能中。尽管水通道蛋白在根、叶、种子和花的水分关系中起核心作用，但它们也与植物矿物质营养以及碳和氮的固定有关。
