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Establishment of a rice transgene flow model for predicting maximum distances of gene flow in Southern China

文献类型： 外文期刊

作者： Yao, Kemin 1 ; Hu, Ning 1 ; Chen, Wanlong 1 ; Li, Renzhong 1 ; Yuan, Qianhua 2 ; Wang, Feng 3 ; Qian, Qian 4 ; Jia, Shiro 1 ;

作者机构： 1.Nanjing Univ Informat Sci & Technol, Coll Appl Meteorol, Nanjing 210044, Peoples R China

2.Hainan Univ, Coll Life Sci & Agr, Haikou 570228, Peoples R China

3.Guangdong Acad Agr Sci, Rice Res Inst, Guangzhou 510640, Guangdong, Peoples R China

4.Chinese Acad Agr Sci, Natl Rice Res Inst, Hangzhou 310006, Zhejiang, Peoples R China

关键词： common wild rice;cultivated rice;gene flow coefficient;gene flow model;male sterile lines;pollen dispersal model;transgenic rice

期刊名称：NEW PHYTOLOGIST （ 影响因子：10.151； 五年影响因子：10.475 ）

ISSN： 0028-646X

年卷期： 2008 年 180 卷 1 期

页码：

收录情况： SCI

摘要： We aimed to establish a rice gene flow model based on (i) the Gaussian plume model, (ii) data from a three-location x 3-yr field experiment on transgene flow to common rice cultivars (Oryza sativa), male sterile (ms) lines (C). sativa) and common wild rice (Oryza rufipogon), and (iii) 32-yr historical meteorological data collected from 38 meteorological stations in southern China during the rice flowering period. The concept of the gene flow coefficient (GFC) is proposed; that is, the ratio of the transgene flow frequency (G%) obtained from field experiments to the aggregated pollen dispersal frequency (P%) calculated based on the pollen dispersal model. The maximum distances of gene flow (MDGF) to traditional rice cultivars, ms lines, and common wild rice at a threshold value of either 1.0 or 0.1% were determined. The MDGF and its spatial distribution in southern China show that the gene flow pattern is significantly affected by the monsoon climate, the topography, and the outcrossing ability of recipients. We believe that the information provided in this study will be useful for the risk assessment of transgenic rice in other rice-growing regions.

  • 相关文献

[1]Rice transgene flow: its patterns, model and risk management. Jia, Shirong,Pei, Xinwu,Wang, Zhixing,Yuan, Qianhua,Wang, Feng,Hu, Ning,Yao, Kemin.

[2]Genetic structure of Oryza rufipogon Griff. in China. Wang, M. X.,Zhang, H. L.,Zhang, D. L.,Qi, Y. W.,Yu, P.,Wang, X. K.,Li, Z. C.,Fan, Z. L.,Pan, D. J.,Li, D. Y.,Cao, Y. S.,Qiu, Z. E.,Yang, Q. W.. 2008

[3]Protective efficacy against Chlamydophila psittaci by oral immunization based on transgenic rice expressing MOMP in mice. Zhang, Xiu-Xiang,Zhang, Xiu-Xiang,Yu, Hui,Wang, Xiao-Hu,Luo, Sheng-Jun,Li, Xiu-Zhen,Li, Hao-Xin,Yuan, Zi-Guo,Zhu, Yan-Ping.

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