摘要
Gap junctions and plasmodesmata are the major structures in maintaining the entity of organisms. They play an very important role in regulating and controlling the cell proliferation, tissue metabolism and orchestration. Although gap junctions and plasmodesmata appear to be very dissimilar, they have a number of functional similarities. Gap junctions have been studied intensively and isolated successfully from numerous tissues and sources. In contrast, until recently very little was known about the biochemical composition of plasmodesmata and especially about the proteins that are involved in gating process. They have not yet been isolated and characterized.
