The MutationOrder package

[ Tags: bioinformatics, gpl, library, program ] [ Propose Tags ]

Determine the most likely order in which single nucleotide mutations happened between two RNA sequences.

Developed to analyse the HAR 1 region.

As long as the two input RNAs are small enough enough (couple hundred nucleotides) and the number of mutations is small enough (around 20-26, since the algorithm is exponential in this number) the algorithm should work for similar problems without changes.

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Dependencies ADPfusion (==0.5.2.*), ADPfusionSet (==0.0.0.*), aeson (>=1.1), base (>=4.7 && <5.0), bimaps (==0.1.0.*), BiobaseXNA (==0.9.3.*), bytestring, cereal (>=0.5), cereal-vector (>=0.2), cmdargs (>=0.10), containers, deepseq (>=1.4), directory, DPutils (==0.0.1.*), file-embed (>=0.0.8), filepath, FormalGrammars (==0.3.1.*), log-domain (>=0.10), MutationOrder, parallel (>=3.2), PrimitiveArray (==0.8.0.*), PrimitiveArray-Pretty (==0.0.0.*), serialize-instances (>=0.1), ShortestPathProblems (==0.0.0.*), text (>=1.0), unordered-containers (>=0.2.7), vector (>=0.11), vector-strategies (>=0.4), ViennaRNA-bindings (==0.233.1.*), zlib (>=0.6) [details]
License GPL-3
Copyright Christian Hoener zu Siederdissen, 2017
Author Maria Beatriz Walter Costa, Christian Hoener zu Siederdissen, 2017
Category Bioinformatics
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Source repository head: git clone git://
Uploaded Tue Mar 7 18:52:03 UTC 2017 by ChristianHoener
Distributions NixOS:
Executables MutationOrder
Downloads 101 total (6 in the last 30 days)
Rating 0.0 (0 ratings) [clear rating]
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Status Docs available [build log]
Last success reported on 2017-03-07 [all 1 reports]
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Readme for MutationOrder-

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Determine the most likely order of mutations from one RNA sequence to another.

Walter Costa, Maria Beatriz and Hoener zu Siederdissen, Christian and Tulpan, Dan and Stadler, Peter F. and Nowick, Katja  
*Uncovering the Structural Evolution of the Human Accelerated Region 1*  
2017, submitted  

General information

Given two RNA sequences, one ancestral, and one extant, we want to determine the most likely path of evolution under different measures of fitness.

This program produces the (i) maximum-likelihood path, (ii) all end probabilities, (iii) all start-end probabilities, (iv) all edge probabilities, and (v) the maximum expected accuracy path for these two RNA sequences.

In detail:
(i) gives the optimal path(s) for the fitness function
(ii) gives for each nucleotide polymorphism, how likely it is, that this mutation was introduced last
(iii) looks at all pairs of (first mutation, last mutation) and gives the probability that these two mutations are the begin and end of the chain of mutations
(iv) yields for all pairs of nodes (i -> j) the probability that this path occurs, over the whole ensemble of all possible paths
(v) produces the path of maximal weight using the probabilities produced in (iv)

Usage instructions

example usage

We assume that you have two Fasta files, chimp_118.fa and human_118.fa but they can be named however is convenient. Each file has to contain exactly one sequence and both sequences have to be of the same length.

For testing with chimp and human, the provided chimp-human.json.gz database should be used, otherwise the initial foldings will be recalculated. All required files are available under 'Binaries' at the bottom of the page.

In case, you don't want or can't use the provided work database, run ./MutationOrder with --verbose

We then run

./MutationOrder --workdb chimp-human.json.gz --scoretype pairdistcen --onlypositive --outputprefix test chimp_118.fa human_118.fa

This will generate, test-edge.eps, and test-meaorder.eps.

The file provides extensive output of the optimal path, the first-last probabilities, the edge probabilities, and the mea output. This conforms to (i) -- (v) mentioned above.

The two eps files give a graphical representation of the edge probabilities, for the meaorder in order of the path of maximum expected accuracy.

The work database collects intermediate structures and their folding and is only created once. The initial run will, however, take some time. I.e. for 'HAR1' this requires 1-4 hours depending on the machine. Further runs complete much faster. In minutes for HAR1.

Command-line options

--help        provides short help
--verbose     will show folding steps during the initial run

 --workdb=ITEM              the database where to store intermediate foldings
--temperature=NUM           annealing temperature. Values close to 0 favor optimal paths. The default is 1.0
--fillweight=FILLWEIGHT     provides logarithmic and linear fill styles for probability plots. The full style always fills the box
--fillstyle=FILLSTYLE       normally, boxes are sized, but all in the same color. This changes the opacity of the color as well. Does not work well for eps files
--cooptcount=INT            how many co-optimals to count for (the count in the .run file is produced differently)
--cooptprint=INT            how many co-optimals to actually print
--outprefix=ITEM            how to prefix all output files
--scoretype=SCORETYPE       choose 'mfe', 'centroid', 'pairdistmfe', or 'pairdistcen' for the evaluation of each mutational step
--positivesquared           square positive energies to penalize bad moves
--onlypositive              minimize only over penalties, not energy gains
--equalstart                each possible mutation is selected with equal probability as the initial one
--posscaled=NUM,NUM         in =x,y will exponentiate all numbers >=x by the constant y. For value k>=x, we have k^y
--lkupfile=ITEM             developer option to feed the initial work database with known foldings (usable but very raw and undocumented. needs 5-line rnafold output)
--showmanual                will show this manual

The allowed score types are:


which optimizes based on the minimum free energy of each intermediate sequence centroid which instead looks at the energy of the centroid structure pairdistmfe which minimizes the base pair distance between following mutations using mfe structures pairdistcen which minimizes the base pair distance between following mutations using centroid structures


Follow this link to the bottom of the page. Binaries are available for download and installation from sources via Haskell Stack are described.


Christian Hoener zu Siederdissen
Leipzig University, Leipzig, Germany