Journal
ACTA OCEANOLOGICA SINICA
Volume 36, Issue 10, Pages 106-114Publisher
SPRINGER
DOI: 10.1007/s13131-017-1055-6
Keywords
microarray; bacterioplankton community; 16S rRNA gene; marine environment
Categories
Funding
- Science and Technology Support Program of Tianjin Municipal [15ZCZDSF00620, 11ZCKFSY07800]
- Open Fund for Priority Discipline of Zhejiang Province [xkzsc10]
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A better understanding of bacterioplankton community shifts following change in marine environments is critical to predict the marine ecosystem function. In order to get a snapshot of the microbial taxonomy profiling of a wide range marine area, a quick, convenient and low cost method would be favorable. In this study, we developed a 16S rRNA gene-based microarray using ARB software, which contained 447 probes targeting 160 families of marine bacteria. The specificity, sensitivity and quantitative capability of this microarray were assessed by single cloned 16S rRNA genes. The reliability of this microarray was tested by eight environmental samples. The results showed that the microarray was specific, only 1.16% false results were detected in five single-clone hybridization tests. The microarray could detect DNA samples as few as 1 ng/mu L and the signal intensity could reflect the relative abundance of the bacteria in the range of 1 ng/mu L to 100 ng/mu L of DNA concentration. Hybridization with environmental samples showed that it can discriminate bacterioplankton communities by sites and time. High throughput sequencing results from the eight samples confirmed the hybridization results. It indicated that this developed microarray could be used as a convenient tool to monitor the bacterioplankton community in marine environment.
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