The complex organic contami-nant that can be degraded by PSB,the degradation mechanism and the related enzymes and plasmids are re-viewed.

• 综述了光合细菌降解较复杂的有机污染物的种类、降解机理、有关的降解酶类和降解性质粒等方面的研究工作,为进一步扩大光合细菌实际应用展示了广阔的前景。