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Findings on Bacillus thuringiensis Described by Researchers at Northeast Agricultural University

May 6, 2014

By a News Reporter-Staff News Editor at Life Science Weekly -- Current study results on Gram-Positive Bacteria have been published. According to news reporting originating from Harbin, People's Republic of China, by NewsRx correspondents, research stated, "Three cry9 genes, cry9Da4, cry9Eb2, and cry9Ee1, were cloned from Bacillus thuringiensis strain T03B001 using a high-resolution melting analysis method."

Our news editors obtained a quote from the research from Northeast Agricultural University, "All three cry9 genes were overexpressed in Escherichia coliRosetta (DE3), and the expressed products Cry9Eb2 and Cry9Ee1 were shown to be toxic to Plutella xylostella and Ostrinia furnacalis, but not to Helicoverpa armigera or Colaphellus bowringi. The bioassay of Cry9Eb2 and Cry9Ee1 against Cry1Ac-resistant P. xylostella strains indicated that both novel Cry9 toxins exhibited no cross-resistance with Cry1Ac."

According to the news editors, the research concluded: "Cry9Eb2 and Cry9Ee1 can be applied not only for P. xylostella and O. furnacalis control, but also for the Cry1Ac-resistance management of pests."

For more information on this research see: Characterization of cry9Da4, cry9Eb2, and cry9Ee1 genes from Bacillus thuringiensis strain T03B001. Applied Microbiology and Biotechnology, 2013;97(22):9705-13. (Springer -; Applied Microbiology and Biotechnology -

The news editors report that additional information may be obtained by contacting C. Shu, Northeast Agricultural University, Harbin, 150030, People's Republic of China. Additional authors for this research include H. Su, J. Zhang, K. He, D. Huang and F. Song (see also Gram-Positive Bacteria).

Keywords for this news article include: Asia, Harbin, Bacillaceae, Gram Positive Rods, Bacillus thuringiensis, Gram Positive Bacteria, Gram-Positive Bacteria, People's Republic of China, Endospore Forming Bacteria, Gram Positive Endospore Forming Rods.

Our reports deliver fact-based news of research and discoveries from around the world. Copyright 2014, NewsRx LLC

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Source: Life Science Weekly

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