Journal
AIDS RESEARCH AND HUMAN RETROVIRUSES
Volume 29, Issue 10, Pages 1361-1364Publisher
MARY ANN LIEBERT, INC
DOI: 10.1089/aid.2013.0175
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Funding
- U.S. Army Medical Research and Materiel Command [Y1-AI-2642-12]
- National Institute of Allergy and Infectious Diseases [Y1-AI-2642-12]
- Henry M. Jackson Foundation for the Advancement of Military Medicine [W81XWH-07-2-0067]
- U.S. Department of Defense [W81XWH-07-2-0067]
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The advent of next generation sequencing technologies is providing new insight into HIV-1 diversity and evolution, which has created the need for bioinformatics tools that could be applied to the characterization of viral quasispecies. Here we present Nautilus, a bioinformatics package for the analysis of HIV-1 targeted deep sequencing data. The DeepHaplo module determines the nucleotide base frequency and read depth at each position and computes the haplotype frequencies based on the linkage among polymorphisms in the same next generation sequence read. The Motifs module computes the frequency of the variants in the setting of their sequence context and mapping orientation, which allows for the validation of polymorphisms and haplotypes when strand bias is suspected. Both modules are accessed through a user-friendly GUI, which runs on Mac OS X (version 10.7.4 or later), and are based on Python, JAVA, and R scripts. Nautilus is available from www.hivresearch.org/research.php?ServiceID=5&SubServiceID=6.
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