...
首页> 外文期刊>Plant and Soil >Development of a model system to assess the impact of genetically modified corn and aubergine plants on arbuscular mycorrhizal fungi.
【24h】

Development of a model system to assess the impact of genetically modified corn and aubergine plants on arbuscular mycorrhizal fungi.

机译:建立评估转基因玉米和茄子植物对丛枝菌根真菌影响的模型系统。

获取原文
获取原文并翻译 | 示例
           

摘要

We developed an experimental model system to monitor the impact of generically modified (GM) plants on arbuscular mycorrhizal (AM) fungi, a group of non-target soil microorganisms, fundamental for soil fertility and plant nutrition. The system allowed us to study the effects of root exudates of both commercial Bt corn and aubergine plants expressing Dm-AMP1 defensin on different stages of the life cycle of the AM fungal species G. mosseae. Root exudates of Bt 176 corn significantly reduced pre-symbiotic hyphal growth, compared to Bt 11 and non-transgenic plants. No differences were found in mycelial growth in the presence of Dm-AMP1 and control plant root exudates. Differential hyphal morphogenesis occurred irrespective of the plant line, suggesting that both exuded Bt toxin and defensin do not interfere with fungal host recognition mechanisms. Bt 176 affected the regular development of appressoria, 36% of which failed to produce viable infection pegs. Our experimental model system represents an easy assay for testing the impact of GM plants on non-target soil-borne AM fungi.
机译:我们开发了一个实验模型系统,以监测通用修饰(GM)植物对丛枝菌根(AM)真菌(一组非目标土壤微生物)的影响,这是土壤肥力和植物营养的基础。该系统使我们能够研究表达Dm-AMP1防御素的商业Bt玉米和茄子植物的根系分泌物对AM真菌物种G. mosseae生命周期的不同阶段的影响。与Bt 11和非转基因植物相比,Bt 176玉米的根系分泌物显着降低了共生前菌丝的生长。在Dm-AMP1和对照植物根系分泌液的存在下,菌丝生长没有差异。不论植物系如何,都发生了不同的菌丝形态发生,表明渗出的Bt毒素和防御素均不干扰真菌宿主识别机制。 Bt 176影响了食欲的正常发展,其中36%的人无法产生可行的感染钉。我们的实验模型系统代表了一种简单的测定方法,用于测试转基因植物对非目标土壤传播的AM真菌的影响。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号