Soybean unconventional small peptide miPEP160b, gene and application thereof

By providing the unconventional small peptide miPEP160b and its gene from soybean, and regulating miRNA expression, the problem of low symbiotic nitrogen fixation efficiency in soybean was solved, resulting in a significant increase in the number and growth of soybean nodules, thus promoting increased soybean yield and improved quality.

CN122404518APending Publication Date: 2026-07-17INSTITUTE OF CROP SCIENCE CHINESE ACADEMY OF AGRICULTURAL SCIENCES
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
INSTITUTE OF CROP SCIENCE CHINESE ACADEMY OF AGRICULTURAL SCIENCES
Filing Date
2026-06-12
Publication Date
2026-07-17

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Abstract

The application belongs to the technical field of genetic engineering, and particularly relates to a soybean unconventional small peptide miPEP160b, a gene and application thereof. The application provides a soybean unconventional small peptide miPEP160b, and an amino acid sequence of the soybean unconventional small peptide miPEP160b is shown as SEQ ID NO. 2. The soybean unconventional small peptide miPEP160b can regulate symbiotic nodule formation of legume plants, can be used as a gene resource for biological breeding, and can be used for cultivating new varieties of legume plants with improved nodule formation ability and nitrogen fixation efficiency by using biological materials related to the soybean unconventional small peptide miPEP160b, thereby providing a new idea for soybean biological breeding and agricultural production application. In addition, the soybean unconventional small peptide miPEP160b can be used as a plant stimulant, can promote nodule formation ability and nitrogen fixation efficiency of soybeans by spraying around the roots of drip irrigation soybeans, and can also promote growth and development of soybean plants.
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