Coxsackie A viruses belong to the enteroviruses, the isolation of which from infectious materials and further cultivation are possible only when laboratory animals are infected. The authors could adapt the strains of 17 of 23 serotypes of these viruses to RD cell culture. The strains of 8 serotypes were additionally adapted to Vero cell culture.
View Article and Find Full Text PDFIt was assumed previously that the mutator phenotype of the hms3 mutant was determined by processes taking place in the D-loop. As a next step, genetic analysis was performed to study the interactions between the hsm3 mutation and mutations of the genes that control the initial steps of the D-loop formation. The mutations of the MMS4 and XRS2 genes, which initiate the double-strand break formation and subsequent repair, were shown to completely block HSM3-dependent UV-induced mutagenesis.
View Article and Find Full Text PDFIn eukaryotes, damage tolerance of matrix DNA is mainly determined by the repair pathway under the control of the RAD6 epistatic group of genes. T this pathway is also a main source of mutations generated by mutagenic factors. The results of our recent studies show that gene HSM3 participating in the control of adaptive mutagenesis increases the frequency of mutations induced by different mutagens.
View Article and Find Full Text PDFEEG power in frequency bands beta2 (18.5-29.5 Hz) and low gamma (30-40 Hz) was compared for situations while reading aloud with the technique "self-regulative utterance" texts as follow: a text with neutral emotional-semantic dominant; literary texts with either a positive or a negative emotional-semantic dominant; personal texts--recollections with similar dominants.
View Article and Find Full Text PDFGene HSM3 encodes the Hsm3 protein involved in the minor branch in the system responsible for the correction of mismatched bases in DNA structure and controls replicative and reparative spontaneous mutagenesis in yeast Saccharomyces cerevisiae. Spontaneous and UV-induced mutagenesis was studied in three mutant alleles of gene HSM3, and repair effectivity of artificial heteroduplexes was assessed in DNA molecule. The resuts of these studies allowed establishment of the protein domain structure of protein Hsm3 and functions of each domain: the N-terminal domain is responsible for binding to mispaired bases, and the C-terminal domain ensures the interaction with other proteins involved in the system of mismatched base correction.
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