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深圳海域水体和九龙江口沉积物中TCBS菌群与弧菌相关性的研究
Authors
李和阳
郑天凌
+3 more
郑森林
陈彬
陈明霞
Publication date
15 August 2011
Publisher
Abstract
通过传统的TCBS培养基平板计数法、16S rDNA-RFLP(16S rRNA基因的限制性酶切图谱多样性分析)及16S rDNA序列分析等方法对深圳海域水体和九龙江口沉积物中弧菌数量分布进行研究.结果表明TCBS菌群数中弧菌所占的比例因不同采样地点、不同季节而呈现较大差异.在深圳西海域及九龙江口上游盐度较低(盐度<11)的区域,TCBS菌群中弧菌所占的比例为0,TCBS菌群数与弧菌总数不相关;在河口下游盐度相对较高的区域,弧菌占TCBS菌群数的6.0%~92.0%,TCBS菌群数与弧菌总数不相关或相关性不大;高盐度的海水区域弧菌占TCBS菌群数的37.0%~100.0%,TCBS菌群数与弧菌数量显著相关(p<0.05).因此环境监测过程中利用TCBS培养基检测海洋弧菌数量时,应该通过分子鉴定或生理生化鉴定方法进行验证,以保证数据的科学性
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Last time updated on 16/06/2016