Effective cell-to-cell communication allows plants to fine-tune their developmental processes in accordance with the prevailing environmental stimuli.Plasmodesmata(PD)are intercellular channels that span the plant cel...Effective cell-to-cell communication allows plants to fine-tune their developmental processes in accordance with the prevailing environmental stimuli.Plasmodesmata(PD)are intercellular channels that span the plant cell wall and serve as cytoplasmic bridges to facilitate efficient exchange of signaling molecules between neighboring cells.The identification of PD-associated proteins and the subsequent elucidation of the regulation of PD structure have provided vital insights into the role of PD architecture in enforcing crucial cellular processes,including callose deposition,ER–Golgi-based secretion,cytoskeleton dynamics,membrane lipid raft organization,chloroplast metabolism,and cell wall formation.In this review,we summarize the emerging discoveries from recent studies that elucidated the regulatory mechanisms involved in PD biogenesis and the dynamics of PD opening-closure.Retrospectively,PDmediated cell-to-cell communication has been implicated in diverse cellular and physiological processes that are fundamental for the development of horticultural plants.The potential application of PD biotechnological engineering represents a powerful approach for improving agronomic traits in horticultural crops in the future.展开更多
基金upported by the International Joint Research Grant of Fujian Agriculture and Forestry University(KXGH170102)the National Science Foundation Grant(31701168 and 31870170)+2 种基金the Fok Ying Tung Education Foundation(161027)to Xu Chenthe Universities and Colleges Natural Science Key Foundation for Youth from Fujian Provincial Department of Education(JZ160432)Natural Science Foundation of Fujian Science and Technology Department(2018J01607)to Dingquan Huang.
文摘Effective cell-to-cell communication allows plants to fine-tune their developmental processes in accordance with the prevailing environmental stimuli.Plasmodesmata(PD)are intercellular channels that span the plant cell wall and serve as cytoplasmic bridges to facilitate efficient exchange of signaling molecules between neighboring cells.The identification of PD-associated proteins and the subsequent elucidation of the regulation of PD structure have provided vital insights into the role of PD architecture in enforcing crucial cellular processes,including callose deposition,ER–Golgi-based secretion,cytoskeleton dynamics,membrane lipid raft organization,chloroplast metabolism,and cell wall formation.In this review,we summarize the emerging discoveries from recent studies that elucidated the regulatory mechanisms involved in PD biogenesis and the dynamics of PD opening-closure.Retrospectively,PDmediated cell-to-cell communication has been implicated in diverse cellular and physiological processes that are fundamental for the development of horticultural plants.The potential application of PD biotechnological engineering represents a powerful approach for improving agronomic traits in horticultural crops in the future.
