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首页> 外文学位 >Effects of class IId bacteriocins: Thuricin 17 and bacthuricin F4 on crops growth under optimal and abiotic stress conditions.
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Effects of class IId bacteriocins: Thuricin 17 and bacthuricin F4 on crops growth under optimal and abiotic stress conditions.

机译：在最佳和非生物胁迫条件下，IId类细菌素：苏糖素17和杆菌素F4对作物生长的影响。

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摘要

Bacteriocins are small peptides, produced by many bacteria, which have adverse effects on microorganisms closely related to the producer strain. Two new Class IId bacteriocins, thuricin 17 and bacthuriocin F4 were isolated from plant growth promoting rhizobia (PGPR). Initial studies showed that both the bacteriocins can promote soybean growth. My experimental results demonstrated that these two bacteriocins promoted germination and emergence of corn, soybean, canola and wheat, but had no effect on barley, when compared with the control under optimal growth conditions. Of the tested crops, corn was most positively affected. Further abiotic stress experiments on corn showed that the two bacteriocins promoted corn emergence under low temperature, high salinity and polyethylene glycol induced water deficit stress. Field experiment data also showed that thuricin 17 can effectively promote corn emergence under cool spring field conditions in southwestern Quebec.
机译：细菌素是由许多细菌产生的小肽，它们对与生产菌株密切相关的微生物产生不利影响。从植物促生根瘤菌（PGPR）中分离出两种新的IId类细菌素，苏糖素17和细菌素F4。初步研究表明，两种细菌素均可促进大豆生长。我的实验结果表明，与最佳生长条件下的对照相比，这两种细菌素能促进玉米，大豆，油菜和小麦的发芽和出苗，但对大麦没有影响。在测试的农作物中，玉米受到的影响最大。进一步的玉米非生物胁迫实验表明，两种细菌素在低温，高盐度和聚乙二醇诱导的水分亏缺胁迫下促进了玉米出苗。田间试验数据还显示，在魁北克西南部的凉爽春季田间条件下，苏氨酸17可以有效促进玉米出苗。

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  • 作者

    He, Xuefeng.;

  • 作者单位

    McGill University (Canada).;

  • 授予单位 McGill University (Canada).;
  • 学科 Agriculture Agronomy.;Biology Plant Physiology.;Biology Microbiology.
  • 学位 M.Sc.
  • 年度 2009
  • 页码 116 p.
  • 总页数 116
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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