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2 results about "Transfer gene" patented technology
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Transfer operon, commonly called tra operon, or tra genes, are some genes necessary for non-sexual transfer of genetic material in both gram-positive and gram-negative bacteria. The tra locus includes the pilin gene and regulatory genes, which together form pili on the cell surface, polymeric proteins that can attach themselves to the surface of F-bacteria and initiate the conjugation. The existence of the tra region of a plasmid genome was first discovered in 1979 by David H. Figurski and Donald R. Helinski In the course of their work, Figurski and Helinski also discovered a second key fact about the tra region – that it can act in trans to the mobilization marker which it affects.
Hckynu gene, dsrna targeting the gene and application thereof
This invention relates to a HcKynU Genes, dsRNAs targeting these genes, and their applications. This invention focuses on horizontal gene transfer. HcKynU Designing dsRNAs specifically for the control of the fall webworm (Russian white moth) not only allows for precise pest control but also avoids threatening non-target species. Injecting this dsRNA into the fall webworm effectively silences its target gene, leading to increased mortality and impaired normal growth and development, ultimately achieving control. This invention provides a new and effective approach for controlling the fall webworm.
Owner:INST OF FOREST ECOLOGY ENVIRONMENT & PROTECTION CHINESE ACAD OF FORESTRY
Bemisia tabaci pectin methylesterase, BtPME1 gene, dsRNA and application of BtPME1 gene and dsRNA in prevention and treatment of bemisia tabaci
The invention relates to the technical field of genetic engineering, in particular to bemisia tabaci pectin methylesterase, a BtPME1 gene, dsRNA and application of the bemisia tabaci pectin methylesterase to prevention and treatment of bemisia tabaci. The amino acid sequence of the bemisia tabaci pectin methylesterase provided by the invention is as shown in SEQ ID NO. 2. Based on bemisia tabaci genome data in the early stage of a laboratory, a bemisia tabaci horizontal transfer gene is analyzed, it is found that a plant-derived horizontally-transferred pectin-like methylesterase coding gene BtPME1 exists in bemisia tabaci, and the amino acid sequence of pectin-like methylesterase expressed by the coding gene BtPME1 is shown as SEQ ID NO.2. After the BtPME1 gene is silenced, the survival rate and egg laying amount of bemisia tabaci on a host plant can be effectively reduced. The invention provides a new target for a bemisia tabaci green control technology based on RNA interference guidance, and opens up a new way for improving the insect resistance of crops.
Owner:INSTITUTE OF VEGETABLES & FLOWERS CHINESE ACADEMY OF AGRICULTURAL SCIENCES