{"@attributes":{"version":"2.0"},"channel":{"title":"kallisto","description":"kallisto - Pachter Lab","link":["https:\/\/pachterlab.github.io\/kallisto","https:\/\/pachterlab.github.io\/kallisto"],"lastBuildDate":"2026-03-10T22:46:25+00:00","pubDate":"2026-03-10T22:46:25+00:00","ttl":"1800","item":[{"title":"V0.46.1","description":"<p>Changes from v0.46.0<\/p>\n\n<h1 id=\"bus\">BUS<\/h1>\n<p>Adds the inDrops technologies (versions 2 and 3)<\/p>\n\n<p>This version adds the option running the <code class=\"language-plaintext highlighter-rouge\">bus<\/code> command on processed BAM files.<\/p>\n","link":"https:\/\/pachterlab.github.io\/kallisto\/releases\/2019\/10\/04\/v0.46.1","guid":"https:\/\/pachterlab.github.io\/kallisto\/releases\/2019\/10\/04\/v0.46.1","pubDate":"2019-10-04T00:00:00+00:00"},{"title":"V0.46.0","description":"<p>Changes from v0.45.0<\/p>\n\n<h1 id=\"bus\">BUS<\/h1>\n<p>This version adds the option of specifying an arbitrary single cell technology for the <code class=\"language-plaintext highlighter-rouge\">bus<\/code> command in kallisto.\nAlso 10xv3 as a technology option for the bus command.<\/p>\n\n<p>Bug fixes<\/p>\n\n<p>Issue 201: Pseudobam was not being run unless bootstrap was also performed\nIssue 199: Error when reading UMI files for the pseudo mode.<\/p>\n\n<p><code class=\"language-plaintext highlighter-rouge\">-l<\/code> flag for bus was inactive.<\/p>\n","link":"https:\/\/pachterlab.github.io\/kallisto\/releases\/2019\/06\/12\/v0.46.0","guid":"https:\/\/pachterlab.github.io\/kallisto\/releases\/2019\/06\/12\/v0.46.0","pubDate":"2019-06-12T00:00:00+00:00"},{"title":"V0.45.0","description":"<p>Changes from v0.44.0<\/p>\n\n<h1 id=\"bus\">BUS<\/h1>\n\n<p><code class=\"language-plaintext highlighter-rouge\">kallisto<\/code> can now process raw FASTQ files for single cell RNA-Seq and create an output in  <a href=\"https:\/\/github.com\/BUStools\/BUS\">BUS format<\/a> which can be further processed using <a href=\"https:\/\/github.com\/BUStools\/bustools\">bustools<\/a><\/p>\n\n<p>To process single cell data run <code class=\"language-plaintext highlighter-rouge\">kallisto<\/code> with the <code class=\"language-plaintext highlighter-rouge\">bus<\/code> command. To see a list of supported technologies, run with the <code class=\"language-plaintext highlighter-rouge\">--list<\/code> option<\/p>\n\n<div class=\"language-plaintext highlighter-rouge\"><div class=\"highlight\"><pre class=\"highlight\"><code>&gt; kallisto bus --list \nList of supported single cell technologies\n\nshort name       description\n----------       -----------\n10Xv1            10X chemistry version 1\n10Xv2            10X chemistry verison 2\nDropSeq          DropSeq\ninDrop           inDrop\nCELSeq           CEL-Seq\nCELSeq2          CEL-Seq version 2\nSCRBSeq          SCRB-Seq\n<\/code><\/pre><\/div><\/div>\n\n","link":"https:\/\/pachterlab.github.io\/kallisto\/releases\/2018\/11\/17\/v0.45.0","guid":"https:\/\/pachterlab.github.io\/kallisto\/releases\/2018\/11\/17\/v0.45.0","pubDate":"2018-11-17T00:00:00+00:00"},{"title":"V0.44.0","description":"<p>Changes from v0.43.1<\/p>\n\n<h1 id=\"bam\">BAM!<\/h1>\n\n<p><code class=\"language-plaintext highlighter-rouge\">kallisto<\/code> can now project pseudoalignments from transcripts down to genomic coordinates. This requires a GTF file corresponding to the transcriptome used to construct the index. The resulting BAM file is sorted by genomic coordinates and indexed.<\/p>\n\n<ul>\n  <li><code class=\"language-plaintext highlighter-rouge\">--pseudobam<\/code> option works as before in transcript coordinates, but creates a single output <code class=\"language-plaintext highlighter-rouge\">pseudoalignments.bam<\/code> in the output folder. This mode no longer writes SAM format to standard output, but writes the binary BAM file directly. Multithreaded <code class=\"language-plaintext highlighter-rouge\">--pseudobam<\/code> works now<\/li>\n  <li><code class=\"language-plaintext highlighter-rouge\">--genomebam<\/code> option writes pseudoalignments to the file <code class=\"language-plaintext highlighter-rouge\">pseudoalignments.bam<\/code> in sorted genomic coordinates, requires a <code class=\"language-plaintext highlighter-rouge\">--gtf<\/code> option and optionally a <code class=\"language-plaintext highlighter-rouge\">--chromosomes<\/code> options set.<\/li>\n<\/ul>\n\n<h3 id=\"quant-mode\">quant mode<\/h3>\n\n<p>Adds a <code class=\"language-plaintext highlighter-rouge\">--single-overhang<\/code> option that does not discard reads where unobserved rest of fragment is predicted to lie outside a transcript. This is mainly useful for mapping 3\u2019 biased reads from single cell experiments.<\/p>\n\n<h3 id=\"json-output\">JSON output<\/h3>\n\n<p>Adds QC information to <code class=\"language-plaintext highlighter-rouge\">run_info.json<\/code> in the output folder<\/p>\n\n<p>The added fields are<\/p>\n<ul>\n  <li><code class=\"language-plaintext highlighter-rouge\">n_pseudoaligned<\/code> : number of fragments that could be pseudoaligned<\/li>\n  <li><code class=\"language-plaintext highlighter-rouge\">p_pseudoaligned<\/code> : percentage of fragments that could be pseudoaligned<\/li>\n  <li><code class=\"language-plaintext highlighter-rouge\">n_unique<\/code> : number of fragments that could be pseudoaligned to a unique target sequence<\/li>\n  <li><code class=\"language-plaintext highlighter-rouge\">p_unique<\/code> : percentage of fragments that could be pseudoaligned to a unique target sequence<\/li>\n<\/ul>\n","link":"https:\/\/pachterlab.github.io\/kallisto\/releases\/2018\/01\/29\/v0.44.0","guid":"https:\/\/pachterlab.github.io\/kallisto\/releases\/2018\/01\/29\/v0.44.0","pubDate":"2018-01-29T00:00:00+00:00"},{"title":"V0.43.1","description":"<p>Changes from v0.43.0<\/p>\n\n<h3 id=\"fusions\">fusions<\/h3>\n\n<p>kallisto can now find reads which span potential fusion breakpoints. The <code class=\"language-plaintext highlighter-rouge\">quant<\/code> mode adds a <code class=\"language-plaintext highlighter-rouge\">--fusion<\/code> flag which identifies read pairs involved in fusions and writes output to <code class=\"language-plaintext highlighter-rouge\">fusion.txt<\/code>, this file is then processed by <code class=\"language-plaintext highlighter-rouge\">pizzly<\/code> for downstream analysis.<\/p>\n\n<h3 id=\"quant-mode\">quant mode:<\/h3>\n\n<p>Switched to a uniform point for the EM algorithm that works better in highly ambiguous cases.<\/p>\n\n<h3 id=\"pseudobam-fixes\">pseudobam fixes<\/h3>\n\n<p>Several fixes to the pseudobam output so that the resulting SAM\/BAM file can be validated with picard.<\/p>\n\n<h3 id=\"bug-fixes\">Bug fixes<\/h3>\n\n<ul>\n  <li>updates kseq library, which would loop indefinitely on CRC corrupt gzipped files.<\/li>\n  <li>warning when no reads pseudoalign and fixes crash (resulting output file will contain <code class=\"language-plaintext highlighter-rouge\">nan<\/code> for tpm values)<\/li>\n<\/ul>\n","link":"https:\/\/pachterlab.github.io\/kallisto\/releases\/2017\/03\/20\/v0.43.1","guid":"https:\/\/pachterlab.github.io\/kallisto\/releases\/2017\/03\/20\/v0.43.1","pubDate":"2017-03-20T00:00:00+00:00"},{"title":"V0.43.0","description":"<p>Changes from v0.42.5<\/p>\n\n<h3 id=\"quant-mode\">quant mode:<\/h3>\n\n<p>Quantification can now be run in strand specific mode. The experiment can either be <code class=\"language-plaintext highlighter-rouge\">--fr-stranded<\/code>, when the first read is on the forward strand or <code class=\"language-plaintext highlighter-rouge\">--rf-stranded<\/code> when the first read is on the second strand.<\/p>\n\n<h3 id=\"pseudo-mode\">pseudo mode:<\/h3>\n\n<ul>\n  <li>Improved multithreading when working with single cell data.<\/li>\n  <li>A new UMI mode has been added which allows for efficient processing of UMI labelled single cell data.<\/li>\n<\/ul>\n","link":"https:\/\/pachterlab.github.io\/kallisto\/releases\/2016\/06\/02\/v0.43.0","guid":"https:\/\/pachterlab.github.io\/kallisto\/releases\/2016\/06\/02\/v0.43.0","pubDate":"2016-06-02T00:00:00+00:00"},{"title":"V0.42.5","description":"<p>Changes from v0.42.4<\/p>\n\n<h3 id=\"pseudo-mode\">pseudo mode:<\/h3>\n\n<p>A new mode kallisto pseudo has been implemented which allows reads to only be pseudoaligned.\nThis mode is useful during single cell analysis as many different experiments (single cells)\ncan be analyzed at the same time and their equivalence classes will be consistent.\nIt will also output a matrix of equivalence class counts (as used in\n<a href=\"http:\/\/biorxiv.org\/content\/early\/2016\/03\/04\/036863\">Fast and accurate single-cell RNA-Seq analysis by clustering of transcript-compatibility counts<\/a>).<\/p>\n\n<h3 id=\"bug-fixes\">Bug fixes:<\/h3>\n\n<ul>\n  <li>Fixes a segfault that could occur when running quant in \u2013bias mode<\/li>\n  <li>Fixes a small error in allocation of memory<\/li>\n  <li>Ensures that single-end reads have reasonable length mappings when mapping to short transcripts<\/li>\n<\/ul>\n\n<h3 id=\"citation\">Citation<\/h3>\n\n<p>Kallisto has been published in Nature Biotechnology (2016)<\/p>\n\n<blockquote>\n  <p>Bray, N. L., Pimentel, H., Melsted, P. &amp; Pachter, L. Near-optimal probabilistic RNA-seq quantification. <em>Nat Biotech<\/em> 34, 525\u2013527 (2016).\n<a href=\"http:\/\/dx.doi.org\/10.1038\/nbt.3519\">doi:10.1038\/nbt.3519<\/a><\/p>\n<\/blockquote>\n\n","link":"https:\/\/pachterlab.github.io\/kallisto\/releases\/2016\/04\/04\/v0.42.5","guid":"https:\/\/pachterlab.github.io\/kallisto\/releases\/2016\/04\/04\/v0.42.5","pubDate":"2016-04-04T00:00:00+00:00"},{"title":"V0.42.4","description":"<p>Changes from v0.42.3<\/p>\n\n<ul>\n  <li>multithreaded pseudoalignment<\/li>\n  <li>bias parameters and fragment length distribution integrated into HDF5 (integration now exists in sleuth)<\/li>\n  <li>bug fix when read maps to the end of a transcript<\/li>\n<\/ul>\n\n<p>It is recommended that users upgrade to this release for maximum performance.<\/p>\n","link":"https:\/\/pachterlab.github.io\/kallisto\/releases\/2015\/10\/29\/v0.42.4","guid":"https:\/\/pachterlab.github.io\/kallisto\/releases\/2015\/10\/29\/v0.42.4","pubDate":"2015-10-29T00:00:00+00:00"},{"title":"V0.42.3","description":"<p>Changes from v0.42.2.1<\/p>\n\n<ul>\n  <li>We now use a conditional mean for effective length estimation (rather than the overall mean) based on the frag length distribution<\/li>\n  <li>Add <code class=\"language-plaintext highlighter-rouge\">'aux\/num_processed'<\/code> to H5<\/li>\n  <li>Add <a href=\"https:\/\/github.com\/pmelsted\/GFA-spec\">GFA<\/a> file option to <code class=\"language-plaintext highlighter-rouge\">'inspect'<\/code><\/li>\n  <li>Incorporate truncated gaussian in single-end datasets instead of only mean<\/li>\n<\/ul>\n\n<p>It is recommended that users upgrade to this release for compatibility with <a href=\"http:\/\/pachterlab.github.io\/sleuth\">sleuth<\/a><\/p>\n\n","link":"https:\/\/pachterlab.github.io\/kallisto\/releases\/2015\/08\/25\/v0.42.3","guid":"https:\/\/pachterlab.github.io\/kallisto\/releases\/2015\/08\/25\/v0.42.3","pubDate":"2015-08-25T00:00:00+00:00"},{"title":"V0.42.2.1","description":"<p>A few bugfixes to v0.42.2 are included here:<\/p>\n\n<ul>\n  <li>Off-by-one error fix in pseudobam output for reads mapping to reverse strand<\/li>\n  <li>Rare segfault fix happening on Ubuntu 12.02<\/li>\n  <li><code class=\"language-plaintext highlighter-rouge\">-nan<\/code> values would sometimes show up in abundances in edge case<\/li>\n<\/ul>\n\n<p>It is recommended that users upgrade to this release.<\/p>\n\n","link":"https:\/\/pachterlab.github.io\/kallisto\/releases\/2015\/07\/06\/v0.42.2.1","guid":"https:\/\/pachterlab.github.io\/kallisto\/releases\/2015\/07\/06\/v0.42.2.1","pubDate":"2015-07-06T00:00:00+00:00"},{"title":"V0.42.2","description":"<p>This is version 0.42.2 of Kallisto.<\/p>\n\n<p>Updates include<\/p>\n\n<ul>\n  <li><code class=\"language-plaintext highlighter-rouge\">index<\/code>\n    <ul>\n      <li>the index has been updated to include more of the transcript information<\/li>\n      <li>indices should be slightly smaller than before<\/li>\n      <li>indices constructed with previous versions will not work with this version, rerun your index command<\/li>\n    <\/ul>\n  <\/li>\n  <li><code class=\"language-plaintext highlighter-rouge\">quant<\/code>\n    <ul>\n      <li>Bootstraps can be run in multithreaded mode, use option <code class=\"language-plaintext highlighter-rouge\">-t<\/code> to specify number of threads<\/li>\n      <li>If only one read of a paired end maps, <code class=\"language-plaintext highlighter-rouge\">kallisto<\/code> will check the transcript positions to discard reads that would go outside of transcript given the mean fragment length.<\/li>\n      <li>Pseudobam. Pseudoalignments can now be output in SAM format to standard output. For more details on the output see <a href=\"http:\/\/pachterlab.github.io\/kallisto\/pseudobam.html\">pseudobam<\/a><\/li>\n      <li>Sequence specific bias. <code class=\"language-plaintext highlighter-rouge\">kallisto<\/code> can learn a model for sequence specific bias and correct the abundances accordingly.<\/li>\n      <li>TSV. All output text files have been changed to <code class=\"language-plaintext highlighter-rouge\">.tsv<\/code> ending.<\/li>\n    <\/ul>\n  <\/li>\n<\/ul>\n\n","link":"https:\/\/pachterlab.github.io\/kallisto\/releases\/2015\/06\/09\/v0.42.2","guid":"https:\/\/pachterlab.github.io\/kallisto\/releases\/2015\/06\/09\/v0.42.2","pubDate":"2015-06-09T00:00:00+00:00"},{"title":"V0.42.1","description":"<p>This is version 0.42.1 of Kallisto. We recommend that users upgrade to this version.<\/p>\n\n<p>Updates include<\/p>\n\n<ul>\n  <li><code class=\"language-plaintext highlighter-rouge\">index<\/code>\n    <ul>\n      <li>now accepts multiple FASTA files and creates an index of all the targets<\/li>\n      <li>clips the polyA tail of transcripts that end with runs of A of length 10 or greater<\/li>\n    <\/ul>\n  <\/li>\n  <li><code class=\"language-plaintext highlighter-rouge\">quant<\/code>\n    <ul>\n      <li>now accepts multiple FASTQ paired-end files, or single-end files<\/li>\n      <li><code class=\"language-plaintext highlighter-rouge\">--single<\/code> flag to specify single-end reads<\/li>\n      <li>simplifies jumping rules<\/li>\n      <li>uses soft-intersect, if one read has no mapping k-mers the other end is used for pseudoalignment<\/li>\n      <li>outputs number of reads processed and number of reads pseudoaligned<\/li>\n    <\/ul>\n  <\/li>\n<\/ul>\n\n","link":"https:\/\/pachterlab.github.io\/kallisto\/releases\/2015\/05\/12\/v0.42.1","guid":"https:\/\/pachterlab.github.io\/kallisto\/releases\/2015\/05\/12\/v0.42.1","pubDate":"2015-05-12T00:00:00+00:00"},{"title":"V0.42","description":"<p>This is the initial public release of Kallisto.<\/p>\n\n","link":"https:\/\/pachterlab.github.io\/kallisto\/releases\/2015\/05\/06\/v0.42","guid":"https:\/\/pachterlab.github.io\/kallisto\/releases\/2015\/05\/06\/v0.42","pubDate":"2015-05-06T00:00:00+00:00"}]}}