|Table of Contents|

Gene Flowing of Genetically Modified Glyphosate-Resistant Soybean with EPSPS (PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2012年04期
Page:
517-521
Research Field:
Publishing date:

Info

Title:
Gene Flowing of Genetically Modified Glyphosate-Resistant Soybean with EPSPS
Author(s):
LIU Jie1; 2; ZHOU Bo3; YANG Chun-yan4; LI Yu-rong4; JIANG Ling-xue2; 3; ZHANG Meng-chen4; TAO Bo3; QIU Li-juan2
1.College of Life Sciences and Food Engineering,Nanchang University,Nanchang 330031,Jiangxi;
2.National Key Facility for Crop Gene Resources and Genetic Impmvement(NFCRI)／Key Laboratory of Germplasm & Biotechnology(MOA)，Institute of Crop Sciences，Chinese Academy of Agricultural Sciences，Beijing 100081;
3.College of agriculture,Northeast Agricultural University,Harbin 150030,Heilongjiang;

Keywords:
Genetically modified glyphosate-resistant soybean; Gene flow; Distance; Direction
PACS:
S565.1
DOI:
10.3969/j.issn.1000-9841.2012.04.002
Abstract:
The study of gene flow is one of the most important part of assessing the environmental safety of transgenic crops.In order to determine the frequency of gene flow from glyphosate-resistant transgenic soybean to nontransgenic soybeans in field condition and provide evidence for formulating security procedure of transgenic crops planting,we planted released cultivar,semi-rampant landrace and wild soybeans around the pollen donor at six different distances in eight directions.The frequency of gene flow was obviously varied with evolution types of soybean.The average outcrossing rate was 0.01% and 0.45% in 164 449 plants of semi-rampant landrace ‘DPZ722’ and 70 612 plants of selected cultivar ‘ZZH015’，respectively.There was no gene flow in 195 088 plants of wild soybean ‘YDD080’.Analysis of variance showed that the rate of gene flow in different distances and direction were significant.The gene flow frequency declined from 0.03% to 0.001% with the isolated distance increase from 5 m to 29 m.Most of the gene flow occurred under the tuyere.Taking 1% as the threshold,the frequency of gene flow under natural condition or random choose 1 000 plants to test were lower than 1%,which can be ignored.

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Last Update: 2014-08-18