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low mapping #87

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paul-bio opened this issue Jan 18, 2025 · 2 comments
Open

low mapping #87

paul-bio opened this issue Jan 18, 2025 · 2 comments
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@paul-bio
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Ask away!

Hi, I just mapped my pore-c data to the reference genome and got a very low mapping rate.

Image

And here is the parameter I used.

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@paul-bio paul-bio added the question Further information is requested label Jan 18, 2025
@sarahjeeeze
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sarahjeeeze commented Jan 21, 2025

Hi, you don't need to use porechopped reads and how are you producing the reference you are using, just thinking if its an assembly and there is lots of contigs in their it might not work well. We usually use the GCA reference. If you could share more details about your input files it may help

@paul-bio
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Hi @sarahjeeeze,

I’ve assembled a draft genome using PacBio Revio, resulting in 40 scaffolds with a BUSCO score of C:98.9% [S:97.8%, D:1.1%], F:0.4%, M:0.7%, n:3640. I believe this indicates a well-assembled draft genome, but I would like to scaffold it to the chromosome level.

Since there is no reference genome available for this species, I was considering using my draft genome as the reference.

Also, does this program require porechopped (trimmed reads) for mapping to the reference genome?

Thank you for your support!

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