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Genetic transformation of Echinacea purpurea with Agrobacterium rhizogenes and bioactive ingredient analysis in

Bochu Wang1, Guangqiu Zhang, Liancai Zhu

  • 1Key Lab for Biomechanics and Tissue Engineering under the State Ministry of Education, Bioengineering College, Chongqing University, Chongqing 400030, PR China. wangbc2000@126.com

Colloids and Surfaces. B, Biointerfaces
|September 20, 2006
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In 1928, bacteriologist Frederick Griffith worked on a vaccine for pneumonia, which is caused by Streptococcus pneumoniae bacteria. Griffith studied two pneumonia strains in mice: one pathogenic and one non-pathogenic. Only the pathogenic strain killed host mice.Griffith made an unexpected discovery when he killed the pathogenic strain and mixed its remains with the live, non-pathogenic strain. Not only did the mixture kill host mice, but it also contained living pathogenic bacteria that...
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