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原文連結
論文資訊
- 類型：已發表論文
- 日期：2012-10-25
摘要
The abundance of different SSU rRNA ("16S") gene sequences in environmental samples is widely used in studies of microbial 生態學 as a measure of microbial community structure and 多樣性. However, the genomic copy number of the 16S gene varies greatly - from one in many 物種 to up to 15 in some 細菌 and to hundreds in some microbial eukaryotes. As a result of this variation the relative abundance of 16S genes in environmental samples can be attributed both to variation in the relative abundance of different organisms, and to variation in genomic 16S copy number among those organisms. Despite this fact, many studies assume that the abundance of 16S gene sequences is a surrogate measure of the relative abundance of the organisms containing those sequences. Here we present a method that uses data on se
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