macOS
brew install lastzlocal Homebrew formula metadata
brew
Pairwise aligner for DNA sequences. Version 1.04.52 via Homebrew; verified from local package data.
install
brew install lastzlocal Homebrew formula metadata
sudo apt install lastzDebian stable package indexes · lastz · source: deb.debian.org
overview
Pairwise aligner for DNA sequences
history
LASTZ is a pairwise DNA sequence aligner and the successor-style, command-line-compatible replacement for BLASTZ. It is used for comparing genomic sequences and can emit formats used by genome-alignment pipelines, including LAV, AXT, MAF, SAM, CIGAR, PAF, and human-readable output.
The official documentation presents LASTZ as a drop-in replacement for BLASTZ that preserves BLASTZ command-line syntax while adding options and correcting behavioral problems. Its documentation includes an explicit section on differences from BLASTZ, such as fixes to alignment-boundary behavior, premature termination, chaining overflow, ambiguity handling, and additional output formats.
The GitHub repository was created on 2016-08-11 and is described by the project as the official working branch, with users encouraged to use tagged releases. Tagged 1.04.x releases continued the project's bioinformatics-maintenance role after the BLASTZ era.
LASTZ is packaged in Homebrew, Debian, and Ubuntu and appears in high-performance-computing genomics documentation because pairwise whole-genome and read-to-reference alignment remain recurring batch-computing tasks. Its BLASTZ compatibility helped existing workflows migrate without rewriting every command line.
The adoption pattern is typical of scientific command-line tools: a stable executable, long HTML manual, tagged source releases, and distribution packages matter more than a polished end-user application interface.
Users run `lastz` with target and query sequences plus scoring, seeding, masking, chaining, and output-format options. The manual's examples cover comparing chromosomes, aligning shotgun reads to a chromosome, self-alignment, and working with seed, HSP, gapped-alignment, and chaining stages.
LASTZ is package-nerd significant because it is a specialized scientific CLI whose real value is reproducibility: exact versions, tagged releases, and package-manager availability let genomics pipelines rerun large alignments with known behavior.
It also illustrates a common packaging problem in bioinformatics: preserving old command-line compatibility while fixing algorithmic bugs and adding formats needed by newer workflows.
security posture
narrow executable package without higher-risk signals.
green risk · low confidence · appliance
Before unattended agent use, check whether the tool reads plaintext credentials, writes remote state, publishes artifacts, or shells out to plugins.
executables
| Command | Kind | Exposure | Note |
|---|---|---|---|
lastz | cli | global executable | |
lastz_D | cli | global executable |
freshness
These signals separate page generation age, package-manager activity, and upstream release comparison. Version lag is warned only when an evidence URL and comparable versions are present.
https://github.com/lastz/lastz
install metadata
| Package key | brew:lastz |
|---|---|
| Version | 1.04.52 |
| Package manager | Homebrew |
| Package manager page | https://formulae.brew.sh/formula/lastz |
| Homepage | https://lastz.github.io/lastz/ |
| Repository | https://github.com/lastz/lastz |
| Upstream docs | https://lastz.github.io/lastz |
| License | MIT |
| Source archive | https://github.com/lastz/lastz/archive/refs/tags/1.04.52.tar.gz |
| Bottle | available (on arm64_linux, arm64_sequoia, arm64_sonoma, arm64_tahoe, arm64_ventura, sonoma, ventura, x86_64_linux) |
| Homebrew post-install | not defined |
| Service | none declared |
registry facts
| Source Database | Homebrew formula API |
|---|---|
| Tap | homebrew/core |
| Full Name | lastz |
| Version Scheme | 0 |
| Revision | 0 |
| Head Version | HEAD |
| Bottle Stable Root URL | https://ghcr.io/v2/homebrew/core |
| Deprecated | no |
| Disabled | no |
| Keg Only | no |
| URL Keys |
|
source database matches
Matches are pulled from external package-manager indexes and kept separate from local Automic Vault package links.
lastz 1.04.22-2
pairwise aligning DNA sequences
https://github.com/lastz/lastz
sudo apt install lastzlastz-examples 1.04.22-2
pairwise aligning DNA sequences (examples and test scripts)
https://github.com/lastz/lastz
sudo apt install lastz-exampleslastz 1.04.22-2
pairwise aligning DNA sequences
https://github.com/lastz/lastz
sudo apt install lastzlastz-examples 1.04.22-2
pairwise aligning DNA sequences (examples and test scripts)
https://github.com/lastz/lastz
sudo apt install lastz-examplessource trail
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View the package source record on GitHub.