这一世纪难题，被我国科学家成功破解！

Core Insights - A Chinese research team has successfully revealed the complete process of how a single plant cell develops into a complete plant, addressing a long-standing challenge in plant life sciences [1][3] - This breakthrough provides new theoretical support for crop genetic improvement and efficient regeneration [1][3] Group 1: Research Significance - The study is recognized as a major breakthrough in the field, with experts noting its international significance in clarifying the origin of plant totipotent stem cells [3] - The discovery enhances the understanding of the mechanism behind plant cell totipotency and opens new pathways to overcome the long-standing "regeneration bottleneck" in agricultural biotechnology [3] Group 2: Concept of Plant Totipotency - "Plant cell totipotency" refers to the ability of plant cells to dedifferentiate and form totipotent stem cells similar to fertilized eggs, which can then develop into a complete plant [3]