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Near-Ultraviolet Mutagenesis in Superoxide Dismutase-deficient Strains of Escherichia coli
(National Institute of Environmental Health Sciences, 1994)
We compared mutagenic spectra induced by polychromatic near-ultraviolet radiation (near-UV; 300-400 nm) with superoxide anion (O2-) -dependent mutagenesis using a set of Escherichia coli tester strains. Near-UV radiation ...
Storytelling in Medieval Wales
Very little is known of the storyteller and his functions in medieval Welsh society. Welsh sources imply that tales were recited in prose by professional storytellers--the cyfarwyddiaid (singular cyfarwydd). In medieval ...
Annotated bibliography 1986-1990