摘要
随着商业化转Bt基因作物大面积的推广和应用,其对农田生态系统造成的潜在危害日益引起人们的重视。国内外大量研究结果表明,转Bt基因作物表达的毒蛋白会以不同方式释放到土壤并在土壤中长期残留,从而对土壤生态系统造成影响。文章综述了转Bt基因作物毒蛋白对土壤生态环境影响的研究进展,包括毒蛋白进入土壤的途径、土壤中毒蛋白的分离和检测方法、毒蛋白在土壤中的残留动态及其对土壤生物和酶活性影响,为转Bt基因作物对土壤环境的生态风险性评价提供参考。
With the popularization and application of commercialized transgenic Bt （Bacillus thuringiensis）ercps in large area, increasing concern has been paid to their potential impact on cultivated ecosystem. Many studies showed that toxin proteins could be released into soil from transgenic Bt crops by different ways and be persisted in soil for long time, which should impact on soil ecosystem. In this paper, advances in research on effects of soil ecosystem by toxin proteins released from transgenic Bt crops were reviewed, including addressing way of toxin proteins released into the soil from transgenic Bt crops, purifying and detecting methods of toxin proteins from soil, persistence dynamics of toxin proteins in soll and their impact on soil organisms and soil enzyme activities. The review should provide reference for ecological risk assessment of transgenic Bt crops to soil environment.
出处
《中国测试》
CAS
2009年第6期91-96,共6页
China Measurement & Test
基金
四川省财政育种工程专项(2009QNJJ-037)
转基因生物安全评价共性技术项目(2008ZX0811-006)
