Abstract
Spectral data and nucleic acid complex formation properties for more than 30 both newly synthesized and widely used fluorescent nucleotide-specific compounds of various classes have been analyzed. These include phenylbenzene, bisbenzimidazole, psoralen, angelicin, tetrahydrocarbazole, oxophenoxazine, and others. The main rules of a generalized model adequately explaining changes in fluorescent properties of synthetic, low molecular weight nucleotide-specific dyes depending on their chemical structure, mode of interaction with substrate, properties of assay medium, etc. are proposed. Fluorescent nucleotide-specific dyes have been originally used in newly developed methods for: express evaluation of "generalized microbial dissemination" of liquid media; evaluation of possible genotoxic effects of various foodstuffs, pharmaceutical drugs, hazardous environmental factors (including their combined effects on living organisms), etc.
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