Create plants that are resistant to freezing and water stress.
Green (Saitama University Research Seed Collection 2025-25 p.99)
Keywords: plants, water shortage, flooding, low temperature, freezing, drought, genetic analysis
Plant growth is easily influenced by environmental conditions, and every year there are reports of poor crop growth and damage due to droughts and floods caused by abnormal weather, as well as extreme temperatures. On the other hand, various plants in nature endure and grow in stress environments such as deserts, wetlands, and polar regions, and understanding the mechanisms of these plants' environmental resilience is important for future crop breeding and environmental conservation. We aim to clarify the roles of plant hormones involved in controlling these phenomena and the mechanisms of plant environmental sensing through basic research using genetic modification and genome editing. Recently, research on the molecular mechanisms involved in plant water sensing has revealed that osmotic sensing proteins, which are activated when plants are dry, are also involved in the regulation of flood responses. We are currently working on analyzing the genes that are regulated downstream of this process.
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Daisuke Takezawa, Professor Graduate School of Science and Engineering, Department of Life Sciences, Field of Biological Control 【Recent Research Themes】 ● Elucidation of the mechanisms of low-temperature response through selective splicing of genes ● Analysis of plant responses to amino acids ● Clarification of sugar sensing and accumulation mechanisms in plants ● Investigation of the relationship between plant ethylene response and water stress
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Quantitative assessment of plant freezing tolerance
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The Saitama University Open Innovation Center is a center that functions as a liaison office for industry-academia-government collaboration. It consists of three departments: the Industry-Academia-Government Collaboration Department, the Intellectual Property Department, and the Startup Support Department, each staffed with coordinators well-versed in various fields. The center's activities include solving technical challenges in companies, supporting the implementation of joint research, and conducting technology transfer aimed at introducing and utilizing Saitama University's intellectual property.