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Characterization of the Specificity of DNA Uptake and Transformation by Naturally Competent Acinetobacter Calcoaceticus
Although cultures of A. calcoaceticus BD413 are naturally competent at all growth phases, genetic markers can only be successfully transformed by DNA from the genus Acinetobacter. Transformation frequencies of nearly 1.2% were obtained with pcaA mutants were incubated in liquid culture with wild-type DNA.
Date:
August 1990
Creator:
Ahmadian-Tehrani, Mohsen
System:
The UNT Digital Library
Modelling Land Use Change and Nonpoint Source Pollution Potential Using Remote Sensing and Geographic Information System Technology
In this study Geographic Information System (GIS) technology was integrated with remote sensing techniques in order to determine the potential for nonpoint source pollution in the Lake Palestine and Cedar Creek Reservoir watersheds of North Central Texas. The Universal Soil Loss Equation was used to determine soil erosion potential from the watersheds, and export coefficients were used to estimate nutrient loadings into the reservoirs.
Date:
August 1990
Creator:
Walker, Scott William
System:
The UNT Digital Library