Journal
ISME JOURNAL
Volume 4, Issue 7, Pages 852-861Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/ismej.2010.16
Keywords
16S rRNA; high throughput sequencing; microbial ecology; bioinformatics
Categories
Funding
- National Science Foundation [MCB-0454030]
- United States Department of Agriculture [2005-35319-16300, 00067345]
- Florida Agricultural Experiment Station
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High-throughput DNA sequencing can identify organisms and describe population structures in many environmental and clinical samples. Current technologies generate millions of reads in a single run, requiring extensive computational strategies to organize, analyze and interpret those sequences. A series of bioinformatics tools for high-throughput sequencing analysis, including preprocessing, clustering, database matching and classification, have been compiled into a pipeline called PANGEA. The PANGEA pipeline was written in Perl and can be run on Mac OSX, Windows or Linux. With PANGEA, sequences obtained directly from the sequencer can be processed quickly to provide the files needed for sequence identification by BLAST and for comparison of microbial communities. Two different sets of bacterial 16S rRNA sequences were used to show the efficiency of this workflow. The first set of 16S rRNA sequences is derived from various soils from Hawaii Volcanoes National Park. The second set is derived from stool samples collected from diabetes-resistant and diabetes-prone rats. The workflow described here allows the investigator to quickly assess libraries of sequences on personal computers with customized databases. PANGEA is provided for users as individual scripts for each step in the process or as a single script where all processes, except the chi(2) step, are joined into one program called the 'backbone'. The ISME Journal (2010) 4, 852-861; doi:10.1038/ismej.2010.16; published online 25 February 2010
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