煙草鉀離子通道研究進展

Research Advances in Tobacco Potassium Ion Channel

摘要: K⁺通道是煙草吸收K⁺的重要途徑之一。近年來，已從多種植物或同種植物的不同組織器官中分離到多種K⁺通道基因。筆者從K⁺通道基因類型、K⁺通道基因的克隆與功能、K⁺吸收機制和K⁺通道分子調(diào)控技術(shù)等方面綜述了煙草K⁺通道研究現(xiàn)狀與進展。對應用生物工程技術(shù)改良煙草的鉀營養(yǎng)性狀進行了討論，并對利用現(xiàn)代生物技術(shù)手段提高煙葉含鉀量進行了展望。

Abstract: K⁺ channel is one of the important pathway for tobacco absorbing K⁺. In recent years, Many K⁺ channel genes have been cloned from various plants or different organization of same plant. In this paper, the type of K⁺ channel gene, cloning and function of K⁺ channel, K⁺ absorption mechanism and molecular regulation technology of K⁺ channel are summarized. Applying biotechnology to improve tobacco potassium nutrition character is discussed, and utilizing the modern biotechniques to improve the potassium content of tobacco leaves is proposed.