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近年来,从我国北京、广东及其海南岛、沈阳等地区不同类型的土壤中分离出36株蓝色放线菌。这些菌株的特点是:孢子丝螺旋形或直。气生菌丝体海天蓝、蓝灰、玫瑰灰、淡红灰色,绒状绒粉状。基内菌丝体燕颔蓝、暗蓝、龙胆紫色。蓝色或蓝紫色可溶性色素渗入培养基中。个别种的色素不将培养基染色。这一类群中认识最早的种——天蓝色放线菌(Act.coelicolor),其色素遇酸变红,遇碱变蓝,根据(?)1936的报导及其色素分类的观点,该色素为水溶性的,并确定为花青素(?)。
In recent years, 36 strains of blue actinomycetes have been isolated from different types of soils in China, including Beijing, Guangdong, Hainan Island and Shenyang. The characteristics of these strains are: spirulina spiral or straight. Aerobic mycelium sea sky blue, blue gray, rose ash, light red-gray, cashmere velvet powder. Base mycelium Yan Huang blue, dark blue, gentian violet. Blue or blue-violet soluble pigment penetrates into the medium. Some kinds of pigment do not stain the medium. Act.coelicolor, the earliest known species in this group, is reddened with acid and blue with alkali. According to the report of (?) 1936 and its pigment classification, the pigment is Water-soluble, and identified as anthocyanins (?).