Increase of Sucrose Transporter Activity in the Seeds of Plants

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This invention enables the genetic modification of plants to increase the activity of sucrose transporter proteins, specifically SUC5, in seeds. By introducing nucleic acids encoding this transporter under seed-specific promoters, the resulting transgenic plants show a significant increase in the quantity and altered composition of fatty acids and oils in their seeds.

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• Development of oilseed crops (e.g., canola, soybean, sunflower) with higher oil content and improved fatty acid profiles for use in food, feed, and industrial applications.
• Production of plant-based oils with tailored fatty acid compositions for nutritional, pharmaceutical, or industrial uses (e.g., biofuels).
• Engineering crop plants to increase seed storage compounds, potentially enhancing energy reserves for seed germination and seedling vigor.
• Research applications in plant biology to study carbohydrate and lipid metabolism, seed storage compound accumulation, and transporter protein function.
• Creation of transgenic plants for improved yield under environmental stresses (e.g., drought) due to enhanced energy storage in seeds.

BenefitsContent extracted from patent full text and abstract with AI.

• Provides a reliable biotechnology tool to increase oil yield and fatty acid content in a variety of economically important crops.
• Enables the production of oils with specific fatty acid compositions, adding value for nutritional, health, or technical applications.
• Can potentially reduce the cost of plant-based oils by increasing per-seed yields, benefiting both agriculture and industry.
• Improves understanding of plant seed metabolism and storage processes, supporting further advances in crop genetic engineering.
• Facilitates the development of plants with better seedling vigor and possible increased resilience to environmental stresses via improved seed storage compound availability.

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Patent Abstract

The present invention relates to the use of nucleic acid sequences encoding a sucrose transporter polypeptide in transgenic plants. In particular, the invention is directed to methods for increasing fatty acid-related compounds and for increasing oil level and altering the fatty acid composition in the seeds of plants.