Error: Could not find Bowtie 2 index files (genome_index_base.*.bt2l)
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5 months ago
rishav513 • 0

## [2022-04-14 12:41:18] Beginning TopHat run (v2.1.1)

[2022-04-14 12:41:18] Checking for Bowtie

Bowtie version: 2.3.5.1

[2022-04-14 12:41:18] Checking for Bowtie index files (genome)..

Error: Could not find Bowtie 2 index files (genome_index_base.*.bt2l)

tophat2 bowtie2 • 332 views
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Did you generate the index for bowtie?

and if so, where are those files located? if they are not in the directory where you are running that cmdline, you will need to add the path to the location where you've placed the index files.

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Sorry for the late reply, actually i understood the error , actually the output generated by me through bowtie2 was index not genome_index_base, so that was the error. Command that i wrote for building index was

bowtie2-build genome. fa index

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5 months ago

The word genome_index_base means the name of the index file that you or someone else built with `bowtie2-index.

Don't type that in literally.

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Sorry for the late reply, actually i understood the error , actually the output generated by me through bowtie2 was index not genome_index_base, so that was the error. Command that i wrote for building index was

bowtie2-build genome.fa index