This work describes the cytopathic effect on cells, cytotoxic action on mice, and antiviral activity of cinnabarin. This substance had no effect on mouse neuroblastoma cells (NA cell, ATCC clone C-1300) at a concentration of 0.31 mg/ml, it was not able to cause toxic effects in mice at concentrations of 1000 mg/kg, and reduced by four times the titers of the rabies virus at concentrations of 0.31 mg/ml.
Among three strains of Pycnoporus sanguineus, MIP 89007 produced more cinnabarin than MIP 95001 and MIP 95002. The antimicrobial activity of cinnabarin was tested against 11 species of bacteria isolated from food. Bacillus cereus and Leuconostoc plantarum were the most sensitive to cinnabarin, being inhibited by 0.0625 mg/ml. Klebsiella pneumoniae was the least sensitive (>4.0 mg/ml).
Based on intensive search of literature records of xylophilous basidiomycetes in mangroves, a list with 112 species is presented. These species are distributed in 63 genera, 27 families and 9 orders. Polyporaceae is the most represented family with 33 species; Phellinus is the genus with the highest number of species (7). Brazilian mangroves, with 55 species, are the best known areas. The most frequent host is Rhizophora mangle with 34 species recorded on it. For each species the localities and substrates are provided, when these data were available in the respective original article.
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