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How to handle plasmid sequences for bacterial assemblies #406

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UpalabdhaD opened this issue Aug 30, 2024 · 0 comments
Open

How to handle plasmid sequences for bacterial assemblies #406

UpalabdhaD opened this issue Aug 30, 2024 · 0 comments

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@UpalabdhaD
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Dear pggb team,
Thanks for the awesome tool.
Currently, I am interested in using pggb in bacterial species, that conatins megaplasmids. I am to certain extent confused if I want to remove the plasmids and start the pggb with only the chromosomes, or plasmids can be included for the same. I came across this page https://pggb.readthedocs.io/en/latest/rst/tutorials/escherichia_coli.html, however it doesnot have much clues for the same.
I want to hear from the team any strategies to determine whether to include the plasmids or not.

My idea is if i include the plasmid sequences it will inflate the number of paths in the pangenome. So to say, if i start with 100 assemblies the number of paths in pggb output would be 100+some_additional_number depending on the distance of due to plasmid sequences! Am i correct in that sense? If my intention is identify and visualize the SV, insertions, inversions should i include the plasmid sequences, which could be around 20% of the genome size?

Thanks in advance!

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