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

Read File Information

read filereadsbasespassed filtersaveragelongestmapped
errorsSample8_S8_L001_R2_0011,776,076265,582,36099.9%149.5 bases151 bases98.4%
errorsSample8_S8_L001_R1_0011,776,951265,718,315100.0%149.5 bases151 bases99.3%
total3,553,027531,300,675100.0%149.5 bases151 bases98.8%

Reference Sequence Information

seq idlengthfit meanfit dispersion% mapped readsdescription
coveragedistributionNC_0009134,641,652113.24.0100.0%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≤ 10000021296
Coverage evenness (position-hash) score of junction candidates≥ 2≥ 2
Test this many junction candidates (n). May be smaller if not enough passed the coverage evenness threshold100 ≤ n ≤ 5000746
Total length of all junction candidates (factor times the reference genome length)≤ 0.10.050

Junction Skew Score Calculation

reference sequencepr(no read start)
NC_0009130.80018

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 input14:35:15 20 Apr 201614:36:41 20 Apr 20161 minute 26 seconds
Read alignment to reference genome14:36:41 20 Apr 201614:40:06 20 Apr 20163 minutes 25 seconds
Preprocessing alignments for candidate junction identification14:40:06 20 Apr 201614:41:46 20 Apr 20161 minute 40 seconds
Preliminary analysis of coverage distribution14:41:46 20 Apr 201614:45:40 20 Apr 20163 minutes 54 seconds
Identifying junction candidates14:45:40 20 Apr 201614:45:43 20 Apr 20163 seconds
Re-alignment to junction candidates14:45:43 20 Apr 201614:46:31 20 Apr 201648 seconds
Resolving alignments with junction candidates14:46:31 20 Apr 201614:49:30 20 Apr 20162 minutes 59 seconds
Creating BAM files14:49:30 20 Apr 201614:52:22 20 Apr 20162 minutes 52 seconds
Tabulating error counts14:52:22 20 Apr 201614:55:33 20 Apr 20163 minutes 11 seconds
Re-calibrating base error rates14:55:33 20 Apr 201614:55:34 20 Apr 20161 second
Examining read alignment evidence14:55:34 20 Apr 201615:20:42 20 Apr 201625 minutes 8 seconds
Polymorphism statistics15:20:42 20 Apr 201615:20:45 20 Apr 20163 seconds
Output15:20:45 20 Apr 201615:21:54 20 Apr 20161 minute 9 seconds
Total 46 minutes 39 seconds