Alteration of soil rhizosphere communities following genetic transformation of white spruce

Article Abstract:

The characterization of rhizospheres of genetically modified and control Picea glauca trees growing in an experimental plantation and the evaluation of the effect of treatments on microbial composition and diversity is discussed. Results suggest a significant statistical difference between the microbial communities inhabiting the rhizospheres of trees carrying the cryIA(b), uidA and nptII transgenes, trees carrying only the uidA and nptII transgenes and control trees

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In vivo monitoring of obligate biotrophic pathogen growth by kinetic PCR

Article Abstract:

Kinetic PCR (kPCR) is used to monitor the growth of biotrophic pathogens in plants at various times following host infection. The capacity of kPCR to distinguish pathogens in the same sample has wider molecular ecology applications for dynamically monitoring the growth of fungi in their environments or in mixed populations or to measure the efficacy of pest control strategies.

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No evidence of an impact on the rhizosphere diazotroph community by the expression of Bacillus thuringiensis Cry1Ab toxin by Bt white spruce

Article Abstract:

The impact of genetically modified trees on soil nitrogen-fixing bacterial communities is investigated. It is concluded in the absence of evidence that the presence of the Bacillus thuringiensis cry1Ab gene effects diazotroph communities.

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