[Formation by Actinomyces malachitospinus sp. nov. of a physiologically active substance that stimulates zygote formation in Mucorales].

A new species Actinomyces malachitospinus sp. nov. is described. It has spiral catenulate spores with spines, a gray aerial mycelium, and a green colonial mycelium, and contains no soluble pigments (including melanoid pigments). The strain of Act. malachitospinus INMI 217 produces a physiologically active substance that stimulates the formation of zygotes… (More)