Distribution of heterotrophic bacteria in Lake Shira

被引：5
|
作者：
Lobova, TI [1 ]
Listova, LV [1 ]
Popova, LY [1 ]
机构：
[1] Russian Acad Sci, Siberian Div, Inst Biophys, Krasnoyarsk 660036, Russia
来源：
MICROBIOLOGY | 2004年 / 73卷 / 01期
基金：
俄罗斯基础研究基金会;
关键词：
saline lakes; halotolerance; mesophilic and psychrotolerant heterotrophic bacteria; autochthonous and allochthonous microorganisms;
D O I：
10.1023/B:MICI.0000016375.87884.fc
中图分类号：
Q93 [微生物学];
学科分类号：
071005 ; 100705 ;
摘要：
A study of the horizontal and vertical distribution of heterotrophic bacteria in brackish Lake Shira in summer periods showed that mesophilic bacteria dominated in all areas of the lake, whereas psychrotolerant bacteria dominated in the metalimnion and hypolimnion of its central part. Nonhalophilic bacteria were mostly mesophilic and dominated in coastal waters. Most psychrotolerant bacteria were able to grow in the presence of 5-10% NaCl. Heterotrophic bacteria isolated in different regions of the lake were identified to a generic level. The isolates were classified into autochthonous and allochthonous microorganisms on the bases of their distribution pattern in the lake water, halotolerance, and ability to grow at low temperatures.
引用
收藏
页码：89 / 93
页数：5
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