Abstract

A closed plant production system with artificial lighting (CPPS) is ideal for the propagation of pharmaceutical products using genetically modified (GM) plants. The pharmaceutical products that have been or are being developed include oral vaccines for humans or livestock and agents that prevent lifestyle-related diseases. We developed a CPPS for stable accumulation of high concentrations of desired functional proteins in the edible components of strawberry, tomato, and rice plants. Because responses of GM plants to environmental conditions have not been investigated, we researched the physiological characteristics of plants under artificial conditions; this included the effects of light quality, light intensity, light period, carbon dioxide concentration, composition and concentration of nutrient solution, and planting density. We determined the appropriate environmental conditions for optimizing strawberry, tomato, and rice plant production of valuable materials in large quantities.

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