A strain of rhodopseudomonas sp synthesizing 5-aminolevulinic acid was screened and the affecting factors for biosynthesis were investigated.

• 筛选出一株能合成5-氨基乙酰丙酸的紫色非硫红假单胞菌,并且对该菌株合成5-氨基乙酰丙酸的影响因素进行了详细探索。