摘要
从光合细菌的分离鉴定及抑菌作用出发,以期得到较好的菌株用于水产养殖中。实验通过选择性富集培养的方式从洛阳市洛河分离得到光合细菌,通过形态学观察,以《伯杰细菌鉴定手册》为依据进行鉴定。鉴定结果表明:污水中培养物为沼泽红假单胞菌,清水中培养物为万尼氏红微菌。体外抑菌实验表明:分离得到的光合细菌对G+、G-模式菌种大肠杆菌和金黄色葡萄球菌都有较强的抑菌活性。
The experiment studied the isolation, identification and antibacterial activity of PSB, and detected the inhibition on a variety of microorganisms to select a better bacterium that can use in aquaculture. The experiment adopted selectivity gather cultivate mode. And the photosynthetic bacteria strains were isolated from the mud and water of Luoyang city. Their pure culture had been identified through morphological, biochemical charaeteristies. According to Bergy＇s Manual of Detemainative Bacteriology, the pure culture isolated from clear water was idenified as Rhodomicrobium vannielii, the otherone isolated from wastewater was identified as Rhodopseudomonas palustris. The antibacterial experiments in vitro showed that the isolated photosynthetic bacteria had strong antibacterial activity with G^＋, G^- mode strain of Escherichia coli and Staphylococcus aureus.
出处
《水生态学杂志》
北大核心
2010年第5期145-148,共4页
Journal of Hydroecology
基金
河南省教育厅科技攻关研究项目(2007180034)资助
关键词
光合细菌
分离
鉴定
抑菌活性
Photosynthetic bacteria
Isolation
Identification
Antibacterial activity
