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Method for evaluating influence of environmental single factor on transgene plant gene flow

A technology of transgenic plants and gene drift, which is applied in the field of evaluating the influence of single environmental factors on gene drift of transgenic plants, can solve the problems of ambiguous content and unclear trend description, and achieve the effects of reduced samples, easy promotion and high safety factor.

Inactive Publication Date: 2012-03-14
CHINA AGRI UNIV
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  • Abstract
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Problems solved by technology

Although the wagon-wheel method can infer the influence of environmental factors on pollen drift to a certain extent, the content is vague, and the data is the result of mixed environmental factors, and the trend description is not clear

Method used

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  • Method for evaluating influence of environmental single factor on transgene plant gene flow
  • Method for evaluating influence of environmental single factor on transgene plant gene flow
  • Method for evaluating influence of environmental single factor on transgene plant gene flow

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Embodiment Construction

[0038] The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0039] Example Transgenic insect-resistant cotton risk assessment

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Abstract

The invention provides a method for evaluating the influence of an environmental single factor on transgene plant gene flow. According to the method, factors which may influence the gene flow are extracted from natural environment by manual simulation at room temperature. The natural environment is separated and the gene flow test is carried out under a single factor so as to determine the influence of the single factor on the gene flow. With the combination of real measured values under different regional and environmental factors, main factors which influence the gene flow in the locality can be better determined and an effective predetermined plan for the planting of transgene plants is made, so as to minimize test repetitions to some extent and save test cost. In addition, different from wagon-wheel bulk sampling point F1 sampling analysis, the method provided by the invention requires less occupation space, and can be used to reduce F1 sampling amount and greatly decrease the workload of test post-detection and analysis.

Description

technical field [0001] The invention relates to a method for evaluating the ecological safety of transgenic plants, in particular to a method for evaluating the influence of environmental single factors on gene drift of transgenic plants. Background technique [0002] While transgenic plants are being commercialized on a large scale, their ecological safety and other issues have also aroused widespread controversy and concern around the world. Theoretically, there are roughly two pathways for transgenic plant gene drift: one is gene drift in the usual sense, mainly through sexual hybridization to transfer genes between populations of the same species or between closely related species that can be mated According to different media, the phenomenon generally includes gene drift mediated by pollen, seed and asexual reproduction organs; the second is gene transfer at the level of genes, which refers to the transfer of genes in individuals of different species through non-sexual ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12Q1/68G01N33/53A01G1/00A01G7/06
Inventor 张青文贺娟刘小侠
Owner CHINA AGRI UNIV
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