breseq  version 0.27.1  revision 87c22d663cc3
mutation predictions | marginal predictions | summary statistics | genome diff | command line log

Read File Information

read filereadsbasespassed filtersaveragelongestmapped
errorsSSW-KHP-SSW-9-92-4-1_S14_L001_R2_0012,063,662602,367,618100.0%291.9 bases301 bases84.1%
errorsSSW-KHP-SSW-9-92-4-1_S14_L001_R1_0012,064,250597,159,908100.0%289.3 bases301 bases95.8%
total4,127,9121,199,527,526100.0%290.6 bases301 bases90.0%

Reference Sequence Information

seq idlengthfit meanfit dispersion% mapped readsdescription
coveragedistributionNC_0009134,641,652228.52.8100.0%Escherichia coli str. K-12 substr. MG1655, complete genome.
total4,641,652100.0%

fit dispersion is the ratio of the variance to the mean for the negative binomial fit. It is =1 for Poisson and >1 for over-dispersed data.

New Junction Evidence

Junction Candidates Tested

optionlimitactual
Number of alignment pairs examined for constructing junction candidates≤ 10000027176
Coverage evenness (position-hash) score of junction candidates≥ 2≥ 3
Test this many junction candidates (n). May be smaller if not enough passed the coverage evenness threshold100 ≤ n ≤ 5000144
Total length of all junction candidates (factor times the reference genome length)≤ 0.10.019

Junction Skew Score Calculation

reference sequencepr(no read start)
NC_0009130.75242

pr(no read start) is the probability that there will not be an aligned read whose first base matches a given position on a given strand.

Final Junction Predictions

optionvalue
Coverage evenness (position-hash) score of predicted junctions must be≥ 3
Skew score of predicted junction (−log10 probability of unusual coverage evenness) must be≤ 3
Number of bases that at least one read must overlap each uniquely aligned side of a predicted junction≥ 1

Read Alignment Evidence

optionvalue
ModeConsensus/Mixed Base
Ploidy1 (haploid)
Consensus mutation E-value cutoff10
Consensus frequency cutoff0.8
Consensus minimum coverage each strandOFF
Polymorphism E-value cutoff10
Polymorphism frequency cutoff0.2
Polymorphism minimum coverage each strandOFF
Polymorphism bias cutoffOFF
Predict indel polymorphismsYES
Skip indel polymorphisms in homopolymers runs ofOFF
Skip base substitutions when they create a homopolymer flanked on each side byOFF

Execution Times

stepstartendelapsed
Read and reference sequence file input23:15:24 16 Mar 201623:17:55 16 Mar 20162 minutes 31 seconds
Read alignment to reference genome23:17:56 16 Mar 201623:29:56 16 Mar 201612 minutes 0 seconds
Preprocessing alignments for candidate junction identification23:29:56 16 Mar 201623:32:25 16 Mar 20162 minutes 29 seconds
Preliminary analysis of coverage distribution23:32:25 16 Mar 201623:38:27 16 Mar 20166 minutes 2 seconds
Identifying junction candidates23:38:27 16 Mar 201623:38:32 16 Mar 20165 seconds
Re-alignment to junction candidates23:38:32 16 Mar 201623:39:36 16 Mar 20161 minute 4 seconds
Resolving alignments with junction candidates23:39:36 16 Mar 201623:45:58 16 Mar 20166 minutes 22 seconds
Creating BAM files23:45:58 16 Mar 201623:49:36 16 Mar 20163 minutes 38 seconds
Tabulating error counts23:49:36 16 Mar 201623:55:34 16 Mar 20165 minutes 58 seconds
Re-calibrating base error rates23:55:34 16 Mar 201623:55:35 16 Mar 20161 second
Examining read alignment evidence23:55:35 16 Mar 201600:39:34 17 Mar 201643 minutes 59 seconds
Polymorphism statistics00:39:34 17 Mar 201600:39:35 17 Mar 20161 second
Output00:39:35 17 Mar 201600:40:35 17 Mar 20161 minute 0 seconds
Total 1 hour 25 minutes 10 seconds