The Competitiveness of Transgene Flow Between Indica and Japonica Rice Pollen Donor

doi:10.13560/j.cnki.biotech.bull.1985.2018-0446

Abstract

Abstract: Gene flew is an important part of the research on the safety of transgenic rice（Oryza sativa L.）. It is of great significance to study the effect of pollen competition on gene flow in establishing and improving the gene flew model. In this experiment,the Japonica /Indica of transgenic rice and the common rice plants were used as pollen donors,and the male sterile line BoA was a pollen receptor. The results showed that the gene flow frequencies of dual donors of the same species was positively correlated with the quantity of pollen sources,and the relationship between the gene flow frequency and the pollen quantity of donor was consistent with S curve. Gene flow is a comprehensive result of pollen quantity competition and genetic competition.

Key words: transgenic rice, bar, gene flew, pollen competition

ZHAO Jian-fa, HE Guang-liang, HE Mei-dan, KE Zhi, ZHAI Nan-xin, FU Ya-xiaoning, PEI Xin-wu, YUAN Qian-hua. The Competitiveness of Transgene Flow Between Indica and Japonica Rice Pollen Donor[J]. Biotechnology Bulletin, 2018, 34(12): 96-101.

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