Research progress in plant Trehalose-6-phosphate synthase genes
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摘要:
海藻糖-6-磷酸代谢通路是植物响应非生物胁迫生理调控网络中的重要组成部分，海藻糖-6-磷酸合成酶基因TPS（Trehalose-6-phosphate synthase）是植物合成海藻糖的关键基因。为了更加充分地理解TPS基因在植物应答非生物胁迫、调节开花时间等方面的作用，本文首先对植物TPS基因家族成员的系统进化关系及序列结构信息进行了研究，重点论述了TPS基因在植物响应干旱、盐害、高温、低温胁迫中的调控功能及分子作用机制，最后对TPS基因参与植物开花调控的研究进展进行了综述。本文深入总结了目前植物TPS基因响应非生物胁迫及开花调控的研究进展，并对今后TPS同源基因的研究方向和应用价值进行了展望。
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关键词:
- 海藻糖-6-磷酸合成酶基因 /
- 非生物胁迫 /
- 开花调控
Abstract:The trehalose-6-phosphate metabolic pathway is an important component of the plant physiological regulation network in response to abiotic stress. Trehalose-6-phosphate synthase (TPS) is a key gene for trehalose synthesis in plants. To better understand the role of the TPS gene in plant response to abiotic stress and regulation of flowering time, this study presents an overview of current information on the phylogenetics and sequence structure of plant TPS gene family members, as well as the regulatory function and molecular mechanism of TPS in plant responses to drought, salt damage, high temperature, and low temperature stress, and research progress regarding its effects on plant flowering regulation. This study presents a comprehensive summary of research progress on the TPS gene in response to abiotic stress and flowering regulation, while also providing future research directions and potential applications of TPS homologs.
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表 1 植物TPS基因家族的鉴定和功能验证情况
Table 1 Identification and functional verification of TPS gene family in plants
植物种类
Plant speciesTPS基因成员数
No. of TPS family members转入基因
Transferred genes启动子
Promoter转化植物
Transformed plant主要效应
Main effects文献
Reference苹果 Malus pumila Mill. 13 无 无 无 无 [10] 白杨 Populus tomentosa Carr. 13 无 无 无 无 [25] 荷花 Nelumbo nucifera Gaertn. 9 无 无 无 无 [27] 马铃薯 Solanum tuberosum L. 8 无 无 无 无 [28] 甘蔗 Saccharum officinarum L. 9 无 无 无 无 [29] 黄瓜 Cucumis sativus L. 7 无 无 无 无 [30] 大麻 Cannabis sativa L. 10 无 无 无 无 [32] 葡萄 Vitis vinifera L. 11 无 无 无 无 [34] 梅 Prunus mume Siebold & Zucc. 9 无 无 无 无 [35] 水稻 Oryza sativa L. 11 OsTPS1 Actin 1 水稻 提高了植株对低温、高盐、干旱等胁迫的耐受性 [37] 木薯 Manihot esculenta Crantz 12 MeTPS1 Ca MV35S 烟草 根茎叶中海藻糖积累增加，对干旱的耐受性增强 [38] 蒺藜苜蓿 Medicago truncatula L. 11 无 无 无 无 [42] 拟南芥 Arabidopsis thaliana (L.) Heynh. 11 AtTPS1 Ca MV35S 烟草 对干旱和高、低温的耐受性增强 [43] AtTPS1 35S 拟南芥 更耐脱水，抗性提高，对葡萄糖和脱落酸不敏感 [54] 番薯 Ipomoea batatas (L.) Lam. 1 IbTPS1 Ca MV35S 烟草 海藻糖和脯氨酸含量增加，耐盐性增强 [45] 西瓜 Citrullus lanatus (Thunb.) Matsum. & Nakai 7 ClTPS3 Ca MV35S 拟南芥 耐盐性显著增强 [46] 番茄 Solanum lycopersicum L. 11 无 无 无 无 [49] 大白菜 Brassica campestris L. 15 无 无 无 无 [50] 小麦 Triticum aestivum L. 12 TaTPS11 Ca MV35S 拟南芥 抗寒性增强 [53] 月季 Rosa chinensis Jacq. 9 无 无 无 无 [55] 新铁炮百合 Lilium × formolongi I. 9 LfTPS1/3/5 Ca MV35S 拟南芥 开花提前 [56] 辣木 Moringa oleifera Lam. 8 MoTPS1/2 无 拟南芥 开花提前 [57] 小桐子 Jatropha curcas L. 1 JcTPS1 Ca MV35S 拟南芥 开花提前 [58] 
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