Request for chain files of different tree shrew genome version

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Lin Ou

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Nov 10, 2025, 11:45:12 AM (4 days ago) Nov 10
to UCSC Genome Browser Public Support

Dear UCSC staff,

I hope this email finds you well.

Earlier I used the most recent genome version of tree shrew (GCA_033439345.1) to analyze my data. But nowadays many available resources are based on the old genome version (tupBel1, TupChi_1.0), like the alignment results. For convenience, we want to utilize some of these ready resources directly. However, the chain files for these two genomes conversion are not available. Would it be possible for your team to provide the chain files(GCA_033439345.1 to tupBel1tupBel1 to GCA_033439345.1, GCA_033439345.1 to TupChi_1.0TupChi_1.0 to GCA_033439345.1)? It will be really helpful for us and other researchers.

Genome assembly KIZ version 2(GCA_033439345.1): https://www.ncbi.nlm.nih.gov/datasets/genome/GCA_033439345.1/

TupChi_1.0: https://www.ncbi.nlm.nih.gov/datasets/genome/GCF_000334495.1/

tupBel1:https://www.ncbi.nlm.nih.gov/datasets/genome/GCA_000181375.1/

Thank you for your help. Looking forward to your reply.

Best regards,

 

Lin Ou

 

Luis Nassar

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Nov 10, 2025, 11:52:08 AM (4 days ago) Nov 10
to Lin Ou, UCSC Genome Browser Public Support
Hello, Lin.

We'll get those started. They should be ready by the end of the week or early next week. We'll follow up with you.



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Lou Nassar
UCSC Genomics Institute
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