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鲟形目线粒体16S rRNA的部分序列变异及系统发生
鲟形目 线粒体DNA 16S rRNA 系统树
2012/11/21
采用通用引物对3种鲟形目（Acipenseriformes）鱼类，中华鲟（Acipenser sinensis）、俄罗斯鲟（Acipenser gueldenstaedtii）和匙吻鲟（Polyodon spathula）的16S rRNA基因部分片段进行扩增，并与NCBI数据库中获得另外6种鲟形目鱼类相应的16S rRNA序列部分进行比较，探讨鲟形目2个科5个属共9个种之间的遗传变异和亲缘关系....
Identification and Comparison of the Nucleotide Sequence of 16S-23S rRNA Gene Intergenic Small SR(Spacer Region) of Lactobacillus rhamnosus ATCC 53103 with Those of L. casei, L. acidophilus and L. helveticus
16S-23S Intergenic Spacer Region Identification L. rhamnosus
2016/4/14
Reliable PCR based identification of lactobacilli has been described utilizing the sequence of 16S-23S rRNA intergenic spacer region. Those sequence comparisons showed a high degree of difference in h...