how to build bowtie2 index
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5.3 years ago

bowtie2-build command is not clear

i have 1 genome reference starin want to compare with other 5 strain al data are fasta format

please who have time guide me step by step to learn this software

the first step I have the 6 genomes in my computer downloaded from NCBI AS fasta file want to do the genome index

alignment • 1.9k views
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Bowtie is for short read data. If you have 5 very large fastas, you don't want this software.

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this software used to compare whole-genome strain 13 Mb

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Not exactly sure what this comment means but swbarnes2 is totally right. bowtie2 alignes short reads against a reference. Genome comparisons is not a usecase.

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could you please have a look at this article he used bowtie for the same organism but i will do for more strain https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3879973/

if i am in the right way please support me to use this software

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This article uses bowtie to align reads to a reference genome. You downloaded entire genome, that is a hugh difference.

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that means I am in the wrong way, so bowtie for short sequences, the alternative option is to use BWA. is it suitable for whole-genome alignment of 5 strains with the reference genome (CDC317) to call SNPs

please advice me

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No, bwa is also a read aligner, not a genome aligner.

What is the aim of your work? Just identifying SNPs between bacterial assemblies? And then what?

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my ultimate objective is to call SNPs, the organism is yeast what is thought looking or SNPs need whole genome alignment is that right ?

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