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{{Short description|Free software package for phylogenetic analysis of rRNA}} The '''ARB Project''' is a free [[Software|software]] package for the phylogenetic analysis of rRNA and other biological sequences including DNA and protein sequence. It simplifies the import and assembly of genetic sequences from any organisms with the use of an automated aligner. This editing process can be depicted into two subcategories: "Primary Structure Editor" and "Secondary Structure Editor". Comprehensively, this allows the necessary make up for developing a phylogenetic tree. The software provides the visualization of the biological sequences which gives the user a more in depth experience and interaction. This is particularly necessary when comparing phylogeny data from various organisms.<ref>{{Cite web|url=http://download.arb-home.de/documentation/The_ARB-Project.pdf|title=The ARB Project|last=Kumar|first=Yadhu}}</ref>
== Introduction ==
From the authors' description,<ref>{{cite journal |last1=Ludwig |first1=W. |title=ARB: a software environment for sequence data |journal=Nucleic Acids Research |date=23 February 2004 |volume=32 |issue=4 |pages=1363–1371 |doi=10.1093/nar/gkh293|pmid=14985472 |pmc=390282 }}</ref>
<blockquote>The ARB (ARB short for the Latin ''arbor'') program package comprises a variety of directly interacting software tools for sequence database maintenance and analysis controlled by a common [[Graphical user interface|graphical user interface]]. Although it was initially designed for [[Biology:Ribosomal RNA|ribosomal RNA]] data, it can be used for [[Biology:Nucleic acid|nucleic acid]] and [[Chemistry:Amino acid|amino acid]] sequence data. A central database contains processed (aligned) primary structure data. Additional descriptive data can be stored in database fields assigned to the individual sequences or linked via local or worldwide networks. A phylogenetic tree visualized in the main window can be used for data access and visualization. The package contains additional tools for data import and export, sequence alignment, primary and [[Biology:Secondary structure|secondary structure]] editing, profile and filter calculation, phylogenetic analyses, specific hybridization probe design and evaluation, and other components for data analysis. </blockquote>The software was last updated in 2021.<ref>{{Cite web |title=ARB 7.0: Advancing the handling of large rRNA databases and phylogenetic trees |url=https://www.mpi-bremen.de/en/ARB-7.html |access-date=2023-06-26 |website=www.mpi-bremen.de}}</ref> The newer version may run on OSX system.

==References==
{{Reflist}}

== External links ==
* [http://www.arb-home.de/ Project homepage]

[[Category:Computational phylogenetics]]


{{Sourceattribution|ARB Project}}