害虫对转基因植物抗性进化的计算机模拟

北京大学学报（自然科学版）

害虫对转基因植物抗性进化的计算机模拟

李松岗¹, TAYLOR C E²

¹北京大学生命科学学院，北京，100871; ²加州大学洛杉矶分校生物系，Los Angeles, CA90024, USA

收稿日期:1996-06-06 出版日期:1996-11-20 发布日期:1996-11-20

Evolution of Pests' Resistance Against Transgenic Plants
—A Computer Simulating

LI Songgang¹, TAYLOR C E²

¹College of Life Sciences, Peking University, Beijing, 100871; ²Department of Life Science, University of California at Los AngelesLos Angeles, CA90024, USA

Received:1996-06-06 Online:1996-11-20 Published:1996-11-20

摘要/Abstract

摘要： 采用人工生命的方法，定量模拟了不同条件下害虫对转基因植物抗性的进化速度。结果显示只转入植物一个毒性基因常使害虫在短时间内产生抗性，若转入3～4个不会产生交互抗性的毒性基因则可大大推迟或阻止抗性的产生。一般来说，少量迁入及植物体内毒性基因的高效表达有利于延迟或阻止害虫抗性的产生。

关键词: 转基因植物, 人工生命, 抗性

Abstract: The evolution of pests' resistance against transgenic plants with foreign toxic genes was simulated quantitatively by means of Artificial Life (AL). The results indicated that the pests became transgenic- plant-resistant in a pretty short time if just one toxic gene was transferred into the plants, and that the evolution rate was quite lower, sometimes was zero, if 3 or more toxic genes were transferred. Therefore, multi-toxic-gene transferred into, and expressing in the plants was beneficial for preventing or delaying the pasts becoming transgenic-plant-resistant.

Key words: resistance, transgenic plant, artificial life

中图分类号:

Q141

李松岗, TAYLOR C E . 害虫对转基因植物抗性进化的计算机模拟[J]. 北京大学学报（自然科学版）.

LI Songgang,TAYLOR C E. Evolution of Pests' Resistance Against Transgenic Plants
—A Computer Simulating[J]. Acta Scientiarum Naturalium Universitatis Pekinensis.

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链接本文: https://xbna.pku.edu.cn/CN/

https://xbna.pku.edu.cn/CN/Y1996/V32/I6/749

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