MrBayes on CyVerse UK

MrBayes on CyVerse UK

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This is MrBayes version  3.2.6 on the CyVerse UK hardware (12 cpus, 256 GB per job). It is software for Bayesian analysis of molecular sequences using MCMC. See for more info.

Quick Start

  • This is a fairly simple app in terms of inputs and outputs, all it needs is a Nexus file with a sequence alignment and a .bb file with a MrBayes block in it; this contains a sequence alignment and all options necessary for the program. See the example file in the example data. Also see the detailed guide in the manual ( pp 109.

Test Data


Test data for this app appears directly in the Discovery Environment in the Data window under Community Data -> iplantcollaborative -> example_data -> MrBayes_uk

Input File(s)

Only two files are necessary, the Nexus file with the alignment and the .bb file with the MrBayes block.

Output Files

  • mrbayes.err, mrbayes.log, mrbayes.out - standard error, out and log
  • filename.runX.p - files showing the substitution model parameters for each run and chain
  • filename.runX.t - files showing the tree topologies found in those runs
  • filename.ckp - checkpoint files to resume your analysis if stopped

Other files may appear depending on your model, partitions, options etc...

Tool Source for App