Releases

Existing and upcoming releases for this project.

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Experimental Releases

Stable Releases

ABySS 1.3.5 (Mar 05, 2013)
This release introduces new tools to merge overlapping read pairs, layout and merge contigs with perfect sequence overlap, and calculate contig contiguity and correctness metrics. Also, it includes updates to the existing documentation, bug fixes, and attempts to fill scaffold gaps with a consensus of all paths between contigs.
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ABySS 1.3.4 (May 30, 2012)
This release eliminates two sources of misassemblies, one in the path extension logic of SimpleGraph. Two, the default value of m, which is the minimum overlap required between two contigs to merge them, is increased from 30 to 50. This release also fixes various portability issues. A new script, abyss-fatoagp, is included to create an AGP file for GenBank submission.
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ABySS 1.3.3 (Mar 13, 2012)
Specify the minimum alignment length when aligning the reads to the contigs with the parameter l. Improve the scaffolding algorithm that identifies repeats. Improve the documentation.
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ABySS 1.3.2 (Dec 13, 2011)
Improve distance estimates between contigs, enable scaffolding by default, and remove small shim contigs that don't add useful sequence to the assembly. The default aligner is abyss-map. MergePaths uses a non-greedy algorithm that reduces sequence duplication but may reduce contiguity.
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ABySS 1.3.1 (Oct 24, 2011)
Fix a bug in KAligner and fix a compiler error for Mac OS X.
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ABySS 1.3.0 (Sep 09, 2011)
Mate-pair data can be used to scaffold contigs. Specify your mate-pair libraries using the `mp' parameter of abyss-pe.
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ABySS 1.2.7 (Apr 15, 2011)
Support using bwa or bowtie to align reads to contigs. New parameter, d, to specify the acceptable error of a distance estimate.
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ABySS 1.2.6 (Feb 07, 2011)
Sequence variants are popped if the two variants are at least 90% similar. Contigs that overlap by fewer than k-1 bp are found and may be merged.
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ABySS 1.2.5 (Nov 15, 2010)
Fix a colour-space-specific bug and a bug causing the error Assertion `fstSol.size() == 1' failed.
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ABySS 1.2.4 (Oct 14, 2010)
Replace gaps of Ns that span a region of ambiguous sequence with a consensus sequence of the possible sequences that fill the gap. The consensus sequence uses IUPAC-IUB ambiguity codes.
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ABySS 1.2.3 (Sep 08, 2010)
Fix two bugs that caused the error messages: Assertion `m_comm.receiveEmpty()' failed. and error: unexpected ID
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ABySS 1.2.2 (Aug 25, 2010)
Merge contigs after popping bubbles. Handle multi-line FASTA sequences. Report the amount of memory used.
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ABySS 1.2.1 (Jul 12, 2010)
Handle mate pair libraries with reverse-forward orientation as produced by circular, large-fragment libraries. Distance estimates are improved.
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ABySS 1.2.0 (May 26, 2010)
Scaffold over gaps in coverage and unresolved repeats. Read sequence from SAM and BAM files. Set q=3 by default. Set E=0 when coverage is low (<2). Generate a Graphviz dot file of the paired-end assembly.
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ABySS 1.1.2 (Feb 15, 2010)
Pop bubbles resulting from indels. Read tar files. Fix performance issues in ParseAligns by syncing KAligner threads periodically.
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ABySS 1.1.1 (Jan 19, 2010)
Pop complex bubbles either completely or not at all. Choose better (typically lower) default values for the parameters e and c.
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ABySS 1.1.0 (Dec 21, 2009)
ABySS will expand tandem repeats when it is possible to determine the exact number of the repeat. The paired-end path-finding algorithm, SimpleGraph, is multithreaded. Fixed a bug in MergePaths that could misassemble repeats larger than the paired-end fragment size. The output format of AdjList, DistanceEst and SimpleGraph has changed.
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ABySS 1.0.16 (Nov 13, 2009)
Improve the performance and memory usage of KAligner and AdjList, particularly for very large data sets.
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ABySS 1.0.15 (Oct 19, 2009)
New parameters, e and E, to set the coverage threshold of the erosion algorithm. Values for the parameters e and the coverage threshold, c, will be chosen automatically if they're not specified. The read length is now an optional parameter. Two important bug fixes, see below.
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ABySS 1.0.14 (Sep 08, 2009)
Assemble multiple libraries of different fragment sizes.
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ABySS 1.0.13 (Aug 26, 2009)
Read files compressed with gzip (.gz) or bzip2 (.bz2).
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ABySS 1.0.12 (Aug 19, 2009)
Both ABYSS and KAligner are run only once per assembly, which speeds up the paired-end assembly stage by nearly a factor of two. The k-mer coverage information is correct in every contig file. A tool is included to convert colour-space contigs to nucleotide contigs. Discard reads that fail the chastity filter.
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ABySS 1.0.11 (Jul 21, 2009)
Assemble colour-space reads. Read files in qseq format. KAligner is multithreaded. Integrate with Sun Grid Engine (SGE). Prevent misassemblies mediated by tandem segmental duplications.
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ABySS 1.0.10 (Jun 18, 2009)
ParseAligns is improved to handle any number of reads as long as mate pairs are found interleaved in the same file. Merge overlapping paired-end contigs that were previously being missed in some situations. Number paired-end contigs so that their IDs do not overlap with the single-end contigs.
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ABySS 1.0.9 (May 15, 2009)
Significantly reduce the memory usage of KAligner and ParseAligns. abyss-pe can read multiple input files and read FASTA or FASTQ files.
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ABySS 1.0.8 (Apr 02, 2009)
Fix the bug causing the error Assertion `marked == split' failed.
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ABySS 1.0.7 (Mar 31, 2009)
The parallel MPI assembler is now deterministic; it will produce the same result every time.
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ABySS 1.0.6 (Mar 25, 2009)
Fix a race condition in the erosion algorithm.
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ABySS 1.0.5 (Mar 11, 2009)
Portability fixes.
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ABySS 1.0.4 (Mar 09, 2009)
Remove the need to specify the parameters -e,--erode and -b,--bubbles. Use less disk space by using pipes to avoid intermediate files. Many improvements to the paired-end algorithm.
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ABySS 1.0.3 (Feb 05, 2009)
Tidy up the ends of blunt contigs. Merge blunt contigs that are connected by pairs and overlap.
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ABySS 1.0.2 (Nov 21, 2008)
Include a parallel binary compiled for OpenMPI.
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ABySS 1.0 (Aug 07, 2008)
Initial version of abyss.
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