Characteristics of rDNA intergenic spacer region from a waterbloom cyanobacteria species Oscillatoria sp.

被引：0
|
作者：
陈月琴
何家莞
唐绍清
庄丽
屈良鹄
机构：
[1] China
[2] Chinese Academy of Sciences
[3] Guangzhou 510275
[4] Institute of Hydrobiology
[5] School of Life Sciences
[6] State Key Laboratory for Biocontrol
[7] Wuhan 430072
[8] Zhongshan University
来源：
Progress in Natural Science | 2000年 / 01期
基金：
中国国家自然科学基金;
关键词：
Oscillatoria sp; rDNA intergenic spacer region; sequence analysis;
D O I：
暂无
中图分类号：
Q75 [分子遗传学];
学科分类号：
071007 ;
摘要：
Sequence of rDNA intergenic spacer region (ISR) from a waterbloom cyanobacterial species Oscilla-toria sp. was determined and analyzed. The results of sequence comparison showed that the spacer had a high level sequence divergence, suggesting the sequence may be a target sequence for developing cyanobacteria genus- and species-specific oligonucleotide probes. In addition, a 20bp sequence of rDNA ISR was found highly conserved in all species of cyanobacteria, which was not found in other eubacteria. This conserved sequence within a variable region indicates that it might be a functional oligonucleotide in the processing of the rRNA precursor.
引用
收藏
页码：39 / 41
页数：3
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