利用NaCl的质量分数为10%和20%的不同培养基从35份采自河北沧州高盐环境样品中分离得到33株中度嗜盐放线菌和13株耐盐放线菌.多相分类研究表明,嗜盐菌株具有形态、生理、生化和分子分类特征的多样性,在系统发育上试验菌株分别属于拟诺卡氏菌属、链霉菌属和纤维单胞菌科一新属.分析结果表明,沧州地区高盐环境中嗜盐放线菌主要类群是拟诺卡氏菌属和链霉菌属,另有少量纤维单胞菌科放线细菌;也说明高盐环境是分离新物种的重要来源.
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