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-BUT7-6_S16_L001_R2_001850,683127,896,347100.0%150.3 bases151 bases98.9%
errorsqtrim-BUT7-6_S16_L001_R1_001850,837127,968,582100.0%150.4 bases151 bases99.5%
total1,701,520255,864,929100.0%150.4 bases151 bases99.2%

Reference Sequence Information

seq idlengthfit meanfit dispersion% mapped readsdescription
coveragedistributionNC_0009134,641,65254.71.298.2%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≤ 100000848
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 ≤ 500032
Total length of all junction candidates (factor times the reference genome length)≤ 0.10.002

Junction Skew Score Calculation

reference sequencepr(no read start)
NC_0009130.83961

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 input08:55:39 02 Jan 201708:56:16 02 Jan 201737 seconds
Read alignment to reference genome08:56:17 02 Jan 201709:00:56 02 Jan 20174 minutes 39 seconds
Preprocessing alignments for candidate junction identification09:00:56 02 Jan 201709:01:52 02 Jan 201756 seconds
Preliminary analysis of coverage distribution09:01:52 02 Jan 201709:03:20 02 Jan 20171 minute 28 seconds
Identifying junction candidates09:03:20 02 Jan 201709:03:21 02 Jan 20171 second
Re-alignment to junction candidates09:03:21 02 Jan 201709:04:34 02 Jan 20171 minute 13 seconds
Resolving alignments with junction candidates09:04:34 02 Jan 201709:06:16 02 Jan 20171 minute 42 seconds
Creating BAM files09:06:16 02 Jan 201709:07:27 02 Jan 20171 minute 11 seconds
Tabulating error counts09:07:27 02 Jan 201709:08:56 02 Jan 20171 minute 29 seconds
Re-calibrating base error rates09:08:56 02 Jan 201709:08:57 02 Jan 20171 second
Examining read alignment evidence09:08:57 02 Jan 201709:21:07 02 Jan 201712 minutes 10 seconds
Polymorphism statistics09:21:07 02 Jan 201709:21:08 02 Jan 20171 second
Output09:21:08 02 Jan 201709:21:30 02 Jan 201722 seconds
Total 25 minutes 50 seconds