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

Read File Information

read filereadsbasespassed filtersaveragelongestmapped
errors6_S6_L001_R2_001871,240129,725,390100.0%148.9 bases151 bases98.1%
errors6_S6_L001_R1_001871,251129,721,850100.0%148.9 bases151 bases99.6%
total1,742,491259,447,240100.0%148.9 bases151 bases98.8%

Reference Sequence Information

seq idlengthfit meanfit dispersion% mapped readsdescription
coveragedistributionNC_0009134,641,65244.33.2100.0%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≤ 10000017467
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 ≤ 5000391
Total length of all junction candidates (factor times the reference genome length)≤ 0.10.026

Junction Skew Score Calculation

reference sequencepr(no read start)
NC_0009130.88908

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 input01:53:04 21 Feb 201601:53:29 21 Feb 201625 seconds
Read alignment to reference genome01:53:29 21 Feb 201601:54:31 21 Feb 20161 minute 2 seconds
Preprocessing alignments for candidate junction identification01:54:31 21 Feb 201601:55:09 21 Feb 201638 seconds
Preliminary analysis of coverage distribution01:55:09 21 Feb 201601:56:41 21 Feb 20161 minute 32 seconds
Identifying junction candidates01:56:41 21 Feb 201601:56:42 21 Feb 20161 second
Re-alignment to junction candidates01:56:42 21 Feb 201601:57:00 21 Feb 201618 seconds
Resolving alignments with junction candidates01:57:00 21 Feb 201601:58:21 21 Feb 20161 minute 21 seconds
Creating BAM files01:58:21 21 Feb 201601:59:21 21 Feb 20161 minute 0 seconds
Tabulating error counts01:59:21 21 Feb 201602:00:44 21 Feb 20161 minute 23 seconds
Re-calibrating base error rates02:00:44 21 Feb 201602:00:45 21 Feb 20161 second
Examining read alignment evidence02:00:45 21 Feb 201602:10:40 21 Feb 20169 minutes 55 seconds
Polymorphism statistics02:10:40 21 Feb 201602:10:40 21 Feb 20160 seconds
Output02:10:40 21 Feb 201602:11:27 21 Feb 201647 seconds
Total 18 minutes 23 seconds