Eight strains of Photosynthetic Bacteria,numbered PSB-1. PSB-2A . PSB-2B PSB-3.PSB-4.PSB-5 were isolated from the mud sample of Baoding city. Their pure culture have been identified through morphological, biochemical characteristics.

• 从保定市护城河及白洋淀底泥中富集分离出6株光合细菌,分别编号为PSB-1、PSB-2A、PSB-2B、PSB-3、PSB-4、PSB-5。