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short reads Assembly in contigs

Hello,

I made assembling illumina short reads of size 2 * 300bp and I used Velvet. After the assembly, I got contigs with size less than the initial reads. Is it normal?

Thanks for your help

assembly
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updated by Ram Ram • written by midox midox

How did you know that you have contigs with size less than 300 bp?

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written by sentausa sentausa 
I opened the file contigs and I went through the different sequences.
do you have a solution ?
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written by midox midox

1 answer

Yes, it is normal. What you do with short contigs depends on your project; sometimes people throw them away, and sometimes they are useful.

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updated by Ram Ram • written by Brian Bushnell Brian Bushnell

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