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Pre-built indexes
Consider using Illumina's
iGenomes
collection. Each iGenomes archive contains pre-built
Bowtie and Bowtie 2 indexes.
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H. sapiens, NCBI GRCh38
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2.7 GB
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H. sapiens, UCSC hg19
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2.7 GB
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H. sapiens, UCSC hg18
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2.7 GB
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H. sapiens, NCBI v37
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2.7 GB
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H. sapiens, NCBI v36
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2.7 GB
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M. musculus, UCSC mm8
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2.4 GB
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M. musculus, UCSC mm9
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2.4 GB
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M. musculus, NCBI v37
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2.4 GB
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R. norvegicus, UCSC rn4
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2.4 GB
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B. taurus, UMD v3.0
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2.4 GB
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C. familiaris, UCSC canFam2
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2.4 GB
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G. gallus, UCSC, galGal3
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1.1 GB
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D. melanogaster, Flybase, r5.22
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150 MB
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A. thaliana, TAIR, TAIR9
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120 MB
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C. elegans, Wormbase, WS200
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75 MB
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S. cerevisiae, CYGD
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15 MB
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E. coli, NCBI, st. 536
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5 MB
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All indexes are for assemblies, not contigs. Unplaced or unlocalized sequences and alternate haplotype assemblies are excluded.
Some unzip programs cannot handle archives >2 GB. If you have
problems downloading or unzipping a >2 GB index, try downloading
in two parts.
Check .zip file integrity with MD5s.
Publications
- Langmead B, Trapnell C, Pop M, Salzberg SL. Ultrafast and memory-efficient alignment of short DNA sequences to the human genome. Genome Biology 10:R25.
- Langmead B, Schatz M, Lin J, Pop M, Salzberg SL. Searching for SNPs with cloud computing. Genome Biology 10:R134.
- Trapnell C, Pachter L, Salzberg SL, TopHat: discovering splice junctions with RNA-Seq. Bioinformatics 2009 25(9):1105-1111.
Contributors
Related links
Thread-scaling paper appears - July 19, 2018
1.2.2 - 12/11/2017
Update (12/12/2017): We have had to re-release this version of bowtie to address an issue when compiling with pthreads (make NO_TBB=1).
- Fixed major issue causing corrupt SAM output when using many threads (-p/--threads) on certain systems
- Fixed major issue with incorrect alignment offsets being reported in --large-index mode
- Fixed major issue with reads files being skipped when multiple inputs were specified together with -p/--threads
- The official LICENSE of Bowtie was changed to Artistic License 2.0. This fixes an issue with the previous LICENSE, which mistakenly combined elements of different open-source licenses.
- Fixed issue where bowtie would still run for a long time even when -u was set to a small number.
- Fixed spurious "Reads file contained a pattern with more than 1024 quality values" error for some colorspace inputs.
- Fixed issue with --strata sometimes failing to suppress alignments at lower strata.
- Fixed issue with ends of paired-end reads sometimes appearing in non-adjacent lines of the SAM output with -p/--threads >1
- Fixed issue whereby the read name of end #2 was not always truncated at the first whitespace character
- Code simplifications
1.2.1.1 - 06/13/2017
- Fixed an issue causing Bowtie to segfault when processing reads from stdin
1.2.1 - 06/12/2017
Please note that Bowtie will be switching to the Artistic 2.0 license in the next release.
Pre-build binaries now include statically linked TBB and zlib libraries no longer requiring that
these libraries be pre-installed.
- Fixed an issue which caused Bowtie to hang during parallell index building when running an optimized binary
- Deprecated --refout option. It will be fully removed in the next release
- Added parallel index building with the bowtie2-build --threads option (credit to Aidan Reilly)
- Added native support for gzipped read files. The wrapper script is no longer responsible for this, which simplifies the wrapper and improves speed and thread scaling.
- Added support for interleaved paired-end FASTQ inputs (--interleaved)
- Fixed issue where first character of some read names was omitted from SAM output when using tabbed input formats
- Fixed issue that caused Bowtie to hang when aligning FASTA inputs with more than one thread
- Bowtie wrapper now works even when invoked via a symlink in a different directory from the executables
- Fixed issue preventing reading --12 input on stdin
- Added --no-unal option for suppressing unmapped reads in SAM output
1.2.0 - 12/12/2016
This is a major release with some larger and many smaller changes. These notes emphasize the large changes. See commit history for details.
- Code related to read parsing was completely rewritten to improve scalability to many threads. In short, the critical section is simpler and parses input reads in batches rather than one at a time. The improvement applies to all read formats.
- --reads-per-batch command line parameter added to specify the number of reads to read from the input file at once
- TBB is now the default threading library. We consistently found TBB to give superior thread scaling. It is widely available and widely installed. That said, we are also preserving a "legacy" version of Bowtie that, like previous releases, does not use TBB. To compile Bowtie source in legacy mode use NO_TBB=1. To use legacy binaries, download the appropriate binary archive with "legacy" in the name.
- Bowtie now uses a queue-based lock rather than a spin or heavyweight lock. We find this gives superior thread scaling; we saw an order-of-magnitude throughput improvements at 120 threads in one experiment, for example.
- Unnecessary thread synchronization removed
- Fixed colorspace parsing when primer base is present
- Fixed bugs related to --skip command line option
1.1.2 - 6/23/2015
- Fixed the building process for Mac OS X Yosemite.
- Added install target (make install) for Linux to better aid package building process and the overall installation process.
- Added support for Intel TBB threading, providing better thread scaling in most situations. The default build still uses TinyThread but TBB is used with make WITH_TBB=1.
- Fixed minor issue related with managing the number of threads spawned.
- Fixed minor issue which may have caused a memory leak after an exception was thrown.
- Fixed bug that caused bowtie to crash if a read was trimmed more than the read's length on 5' end.
- Added minor corrections/addition to the manual.
- Fixed bug that caused the wrapper to incorrectly identify the bowtie binary.
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