Cultural characteristics of Frankia The cultural characteristics, and effects of carbon and nitrogen sources, pH, temperature on three Frankia strains were studied by microscopic examination and protein content detected by modified Bradford method.

• Frankia菌培养特性的研究。 通过形态观察和Bradford改良法测定菌体蛋白含量，研究了3个菌株的培养特性和碳源、氮源、pH值及温度对它们生长的影响。