Lei Mengyu, Wang Xiaodi, Chen Kuan, Wei Qianqian, Zhou Miaomiao, Chen Gong, Su Shuai, Tai Yuying, Zhuang Kexin, Li Dexiao, Liu Mengjuan, Zhang Senlei, Wang Youning
State Key Laboratory for Crop Stress Resistance and High-Efficiency Production, College of Agronomy, Northwest A&F University, Yangling, China.
State Key Laboratory of Crop Genetic Improvement, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, China.
Front Plant Sci. 2025 Apr 16;16:1536969. doi: 10.3389/fpls.2025.1536969. eCollection 2025.
Pathogens and symbiotic microorganisms significantly influence plant growth and crop productivity. Enhancing crop disease resistance and maximizing the beneficial role of symbiotic microorganisms in agriculture constitute critical areas of scientific investigation. A fundamental aspect of plant-microorganisms interactions revolves around nutritional dynamics, characterized by either "food shortage" or "food supply" scenarios. Notably, pathogenic and symbiotic microorganisms predominantly utilize photosynthetic sugars as their primary carbon source during host colonization. This phenomenon has generated substantial interest in the regulatory mechanisms governing sugar transport and redistribution at the plant-microorganism interface. Sugar transporters, which primarily mediate the allocation of sugars to various sink organs, have emerged as crucial players in plant-pathogen interactions and the establishment of beneficial symbiotic associations. This review systematically categorized plant sugar transporters and highlighted their functional significance in mediating plant interactions with pathogenic and beneficial microorganisms. Furthermore, we synthesized recent advancements in understanding the molecular regulatory mechanisms of these transporters and identified key scientific questions warranting further investigation. Elucidating the roles of sugar transporters offers novel strategies for enhancing crop health and productivity, thereby contributing to agricultural sustainability and global food security.
病原体和共生微生物显著影响植物生长和作物生产力。增强作物抗病性以及最大化共生微生物在农业中的有益作用是科学研究的关键领域。植物与微生物相互作用的一个基本方面围绕营养动态展开，其特征表现为“食物短缺”或“食物供应”的情形。值得注意的是，致病微生物和共生微生物在定殖宿主期间主要利用光合糖作为其主要碳源。这一现象引发了人们对植物 - 微生物界面糖转运和再分配调控机制的浓厚兴趣。糖转运蛋白主要介导糖向各种库器官的分配，已成为植物 - 病原体相互作用和有益共生关系建立中的关键参与者。本综述系统地对植物糖转运蛋白进行了分类，并强调了它们在介导植物与致病和有益微生物相互作用中的功能意义。此外，我们综合了近期在理解这些转运蛋白分子调控机制方面的进展，并确定了有待进一步研究的关键科学问题。阐明糖转运蛋白的作用为增强作物健康和生产力提供了新策略，从而有助于农业可持续发展和全球粮食安全。
