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Updated: Jan 7, 2026

Characterization of Membrane Transporters by Heterologous Expression in E. coli and Production of Membrane Vesicles
Published on: December 31, 2019
Sugar transporters and their essential roles in plant male reproductive development
Shuangshuang Liu1, Fan Zhang1, Wennuo Li1
1Research Institute of Biology and Agriculture, School of Advanced Agricultural Sciences, University of Science and Technology Beijing, Beijing, 100083, China; Zhongzhi International Institute of Agricultural Biosciences, Beijing, 100083, China.
Abstract:
Plant male reproduction, particularly anther and pollen development, is a metabolically active process that relies heavily on efficient sugar transport and utilization. Sugar transporters (STs) are crucial in mediating sugar distribution from sources such as mature leaves to sinks like anthers and pollen. Disruptions in ST-mediated sugar allocation often lead to male sterility or reduced male fertility, highlighting their vital role in plant male reproduction. This review systematically summarizes the classification, functions, and regulatory mechanisms of STs involved in various stages of male reproduction in Arabidopsis and rice. Additionally, based on the phylogenetic analysis combined with anther RNA-seq expression data, 11 ST genes showing anther-specific or high anther expression are identified as promising candidates linked to male fertility in maize. These findings enhance our understanding of the critical roles of STs in plant male reproduction and offer valuable genetic resources for studying the mechanisms of STs related to maize male fertility, supporting crop hybrid breeding and male sterility-based seed production.
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