a guide to microbioma analisis

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!"#$%&%'()* ,*-"#(./ 01'"&(%2 $3 !"#$%&'"( *+,-"&"$'.% /%0+,'#1 23$+&'"( Accompanying the paper: Beginner’s guide to comparative bacterial genome analysis using next- generation sequence data David J. Edwards, Kathryn E. Holt  BMC Microbial Informatics, 2013  Last updated March 2013 "# $%&'(% )**%(+,- )&. )&&'/)/0'& ####################################################### ################### 1 1.1 Downloading E. coli  sequenc es for as sembly .................................................... 2  1.2 Examining quality of reads (FastQC) ................................................................. 2  1.3 Velvet – ass embling reads into contigs .............................................................. 4  1.3.1 Using VelvetOptimiser to optimise de novo assembly with Velvet .............. 6 1.4 Ordering contigs against a reference using Ma uve ........................................... 7  1.4.1 Viewing the ordered c ontigs (Mauve) ........................................................ 10  1.4.2 Viewin g the ordered contigs (A CT) ........................................................... 13  1.5 Mauve As sembly Metr ics – Statistical V iew of the Contigs .............................. 15 1.6 Annotation with RAST ...................................................................................... 15  1.6.1 Alternatives to RAST ................................................................................. 19  1# 2'(3)4)/05% 6%&'(% )&),-*0* ############################################################################### 17 2.1 Downloading E. coli  genome sequenc es for comparative anal ysis ................. 20  2.2 Mauve – for multiple genome alignmen t .......................................................... 21  2.3 ACT – for det ailed pairwis e genome comparisons .......................................... 24  2.3.1 Generating comparison files for ACT ........................................................ 24  2.3.2 Viewing genome comparisons in ACT ...................................................... 27  2.4 BRIG – Visualizing reference-bas ed comparis ons of multi ple sequences ....... 29  8# 9-30&6 )&. *3%:0),0*/ /'',* ##################################################################################### 8; 3.1 PHAST – for identification of phage sequences ............................................... 34  3.2 ResFinder – for identification of resistance gene sequences ........................... 34  3.3 Multilocus sequence typi ng .............................................................................. 34  3.4 PATRIC – online gen ome comparis on tool ...................................................... 34  

Transcript of a guide to microbioma analisis

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!"#$%&%'()* ,*-"#(./ 01'"&(%2 $3

!"#$%&'"( *+,-"&"$'.% /%0+,'#1 23$+&'"(

Accompanying the paper:

Beginner’s guide to comparative bacterial genome analysis using next-

generation sequence data 

David J. Edwards, Kathryn E. Holt 

BMC Microbial Informatics, 2013  

Last updated March 2013

"# $%&'(% )**%(+,- )&. )&&'/)/0'& ########################################################################## 1

1.1 Downloading E. coli  sequences for assembly .................................................... 2 

1.2 Examining quality of reads (FastQC) ................................................................. 2 

1.3 Velvet – assembling reads into contigs .............................................................. 4 

1.3.1 Using VelvetOptimiser to optimise de novo assembly with Velvet .............. 6 

1.4 Ordering contigs against a reference using Mauve ........................................... 7 

1.4.1 Viewing the ordered contigs (Mauve) ........................................................ 10 

1.4.2 Viewing the ordered contigs (ACT) ........................................................... 13 1.5 Mauve Assembly Metrics – Statistical View of the Contigs .............................. 15

1.6 Annotation with RAST ...................................................................................... 15 

1.6.1 Alternatives to RAST ................................................................................. 19 

1# 2'(3)4)/05% 6%&'(% )&),-*0* ############################################################################### 17

2.1 Downloading E. coli  genome sequences for comparative analysis ................. 20 

2.2 Mauve – for multiple genome alignment .......................................................... 21 

2.3 ACT – for detailed pairwise genome comparisons .......................................... 24 

2.3.1 Generating comparison files for ACT ........................................................ 24 

2.3.2 Viewing genome comparisons in ACT ...................................................... 27 

2.4 BRIG – Visualizing reference-based comparisons of multiple sequences ....... 29 

8# 9-30&6 )&. *3%:0),0*/ /'',* ##################################################################################### 8;

3.1 PHAST – for identification of phage sequences ............................................... 34 

3.2 ResFinder – for identification of resistance gene sequences........................... 34 

3.3 Multilocus sequence typing .............................................................................. 34 

3.4 PATRIC – online genome comparison tool ...................................................... 34 

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