Nano-molecular structure and function of protein mini-compartments known as carboxysomes

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Intriguing protein nano-structures, present in blue-green algae and known as carboxysomes, act as tiny compartments where CO2 can be fixed into simple sugars at high efficiency. This important photosynthetic process forms the basis of global primary productivity on this planet, but most land-based CO2 fixation lacks the efficiency seen in blue-greens. This research aims to determine how the several proteins that make up carboxysomes come together to makeup carboxysome nano-structures and how these function to enhance rates of CO2 fixation. A more thorough understanding of the carboxysome is likely to have potential applications in industrial nano-technology and improvements in crop productivity.