为确保试验与测试技术紧跟武器技术的发展步伐,2002财年美国国防部创立了试验鉴定科技(Test and Evaluation/Science and Technology,T&E/S&T)专项科研计划,通过每年的滚动持续投资,支持成熟度3~6级之间先进试验与测试技术应用...为确保试验与测试技术紧跟武器技术的发展步伐,2002财年美国国防部创立了试验鉴定科技(Test and Evaluation/Science and Technology,T&E/S&T)专项科研计划,通过每年的滚动持续投资,支持成熟度3~6级之间先进试验与测试技术应用研究和先期技术开发,促进试验与测试技术从实验室向试验场/靶场应用的转化,降低试验鉴定能力开发风险。探讨了试验鉴定科技计划需求产生的来源,梳理总结了该计划的重点技术领域发展演变和经费投入情况,跟踪研究了该计划各重点技术领域的投资重点,列举了该计划成果转化应用典型案例,最后给出几点结论和启示。展开更多
[Objective]The aim was to isolate and identify an endophytic bacteria strain with antimicrobial activity from Davidia involucrate Brail.[Method]Endophytic strain with antibiosis ability was isolated from D.involucrate...[Objective]The aim was to isolate and identify an endophytic bacteria strain with antimicrobial activity from Davidia involucrate Brail.[Method]Endophytic strain with antibiosis ability was isolated from D.involucrate Brail by using cylinder-plate method.Then,it was identified through physiological and biochemical tests,16S rDNA homology analysis as well as some gene-specific sequence analysis.[Result]B221 stain had antimicrobial activity against a variety of rice plant pathogens,and it was identified as Bacillus subtilis.[Conclusion]This study enriches the research on endophyte within D.involucrate Brail,application of Bacillus bio-control,and therefore has laid a good foundation for the development of fungus used in biological control of crop pathogens.展开更多
文摘为确保试验与测试技术紧跟武器技术的发展步伐,2002财年美国国防部创立了试验鉴定科技(Test and Evaluation/Science and Technology,T&E/S&T)专项科研计划,通过每年的滚动持续投资,支持成熟度3~6级之间先进试验与测试技术应用研究和先期技术开发,促进试验与测试技术从实验室向试验场/靶场应用的转化,降低试验鉴定能力开发风险。探讨了试验鉴定科技计划需求产生的来源,梳理总结了该计划的重点技术领域发展演变和经费投入情况,跟踪研究了该计划各重点技术领域的投资重点,列举了该计划成果转化应用典型案例,最后给出几点结论和启示。
基金Supported by the National Natural Science Foundation of China(No.30960011)
文摘[Objective]The aim was to isolate and identify an endophytic bacteria strain with antimicrobial activity from Davidia involucrate Brail.[Method]Endophytic strain with antibiosis ability was isolated from D.involucrate Brail by using cylinder-plate method.Then,it was identified through physiological and biochemical tests,16S rDNA homology analysis as well as some gene-specific sequence analysis.[Result]B221 stain had antimicrobial activity against a variety of rice plant pathogens,and it was identified as Bacillus subtilis.[Conclusion]This study enriches the research on endophyte within D.involucrate Brail,application of Bacillus bio-control,and therefore has laid a good foundation for the development of fungus used in biological control of crop pathogens.
