广西大学最新研究登上Cell头条

Core Insights - The article discusses a significant research study from Guangxi University published in Current Biology, focusing on the convergent evolution of cell size in mangrove plants to adapt to their challenging habitat [3][4]. Group 1: Research Findings - The study reveals that mangroves have independently evolved smaller leaf epidermal cells and thicker cell walls compared to their inland relatives, enhancing their mechanical strength and ability to withstand low osmotic potential [4][5]. - The research indicates that natural selection in mangroves prioritizes biomechanical integrity over gas exchange capabilities, as evidenced by the lack of smaller, denser stomata to increase photosynthesis rates [4][8]. - Phylogenetic comparative analysis shows repeated convergent evolution of cell traits during transitions from inland to coastal habitats, forming a simple and effective mechanism for salt stress adaptation [5][7]. Group 2: Implications - The findings emphasize the role of biomechanics in driving the convergent evolution of cell traits and suggest that regulating cell size and wall characteristics could be a viable strategy for designing salt-tolerant engineered plants [8].