breseq  version 0.29.0  revision 8f9c342918e4
mutation predictions | marginal predictions | summary statistics | genome diff | command line log

Read File Information

read filereadsbasespassed filtersaveragelongestmapped
errorsqtrim-BUT1-3_S2_L001_R1_001997,683150,158,456100.0%150.5 bases151 bases99.8%
errorsqtrim-BUT1-3_S2_L001_R2_001997,558150,054,687100.0%150.4 bases151 bases99.0%
total1,995,241300,213,143100.0%150.5 bases151 bases99.4%

Reference Sequence Information

seq idlengthfit meanfit dispersion% mapped readsdescription
coveragedistributionNC_0009134,641,65264.31.298.3%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≤ 1000001082
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 ≤ 500075
Total length of all junction candidates (factor times the reference genome length)≤ 0.10.005

Junction Skew Score Calculation

reference sequencepr(no read start)
NC_0009130.81531

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 input12:52:43 02 Jan 201712:53:31 02 Jan 201748 seconds
Read alignment to reference genome12:53:32 02 Jan 201712:58:55 02 Jan 20175 minutes 23 seconds
Preprocessing alignments for candidate junction identification12:58:55 02 Jan 201712:59:57 02 Jan 20171 minute 2 seconds
Preliminary analysis of coverage distribution12:59:57 02 Jan 201713:01:43 02 Jan 20171 minute 46 seconds
Identifying junction candidates13:01:43 02 Jan 201713:01:45 02 Jan 20172 seconds
Re-alignment to junction candidates13:01:45 02 Jan 201713:03:02 02 Jan 20171 minute 17 seconds
Resolving alignments with junction candidates13:03:02 02 Jan 201713:04:48 02 Jan 20171 minute 46 seconds
Creating BAM files13:04:48 02 Jan 201713:06:02 02 Jan 20171 minute 14 seconds
Tabulating error counts13:06:02 02 Jan 201713:07:39 02 Jan 20171 minute 37 seconds
Re-calibrating base error rates13:07:39 02 Jan 201713:07:39 02 Jan 20170 seconds
Examining read alignment evidence13:07:39 02 Jan 201713:20:02 02 Jan 201712 minutes 23 seconds
Polymorphism statistics13:20:02 02 Jan 201713:20:02 02 Jan 20170 seconds
Output13:20:02 02 Jan 201713:20:19 02 Jan 201717 seconds
Total 27 minutes 35 seconds