The complete sequence of a human Y chromosome.

The human Y chromosome has been notoriously difficult to sequence and assemble because of its complex repeat structure that includes long palindromes, tandem repeats and segmental duplications1-3. As a result, more than half of the Y chromosome is missing from the GRCh38 reference sequence and it remains the last human chromosome to be finished4,5. Here, the Telomere-to-Telomere (T2T) consortium presents the complete 62,460,029-base-pair sequence of a human Y chromosome from the HG002 genome (T2T-Y) that corrects multiple errors in GRCh38-Y and adds over 30 million base pairs of sequence to the reference, showing the complete ampliconic structures of gene families TSPY, DAZ and RBMY; 41 additional protein-coding genes, mostly from the TSPY family; and an alternating pattern of human satellite 1 and 3 blocks in the heterochromatic Yq12 region. We have combined T2T-Y with a previous assembly of the CHM13 genome4 and mapped available population variation, clinical variants and functional genomics data to produce a complete and comprehensive reference sequence for all 24 human chromosomes. © 2023. This is a U.S. Government work and not under copyright protection in the US; foreign copyright protection may apply.

Citation

Arang Rhie, Sergey Nurk, Monika Cechova, Savannah J Hoyt, Dylan J Taylor, Nicolas Altemose, Paul W Hook, Sergey Koren, Mikko Rautiainen, Ivan A Alexandrov, Jamie Allen, Mobin Asri, Andrey V Bzikadze, Nae-Chyun Chen, Chen-Shan Chin, Mark Diekhans, Paul Flicek, Giulio Formenti, Arkarachai Fungtammasan, Carlos Garcia Giron, Erik Garrison, Ariel Gershman, Jennifer L Gerton, Patrick G S Grady, Andrea Guarracino, Leanne Haggerty, Reza Halabian, Nancy F Hansen, Robert Harris, Gabrielle A Hartley, William T Harvey, Marina Haukness, Jakob Heinz, Thibaut Hourlier, Robert M Hubley, Sarah E Hunt, Stephen Hwang, Miten Jain, Rupesh K Kesharwani, Alexandra P Lewis, Heng Li, Glennis A Logsdon, Julian K Lucas, Wojciech Makalowski, Christopher Markovic, Fergal J Martin, Ann M Mc Cartney, Rajiv C McCoy, Jennifer McDaniel, Brandy M McNulty, Paul Medvedev, Alla Mikheenko, Katherine M Munson, Terence D Murphy, Hugh E Olsen, Nathan D Olson, Luis F Paulin, David Porubsky, Tamara Potapova, Fedor Ryabov, Steven L Salzberg, Michael E G Sauria, Fritz J Sedlazeck, Kishwar Shafin, Valery A Shepelev, Alaina Shumate, Jessica M Storer, Likhitha Surapaneni, Angela M Taravella Oill, Françoise Thibaud-Nissen, Winston Timp, Marta Tomaszkiewicz, Mitchell R Vollger, Brian P Walenz, Allison C Watwood, Matthias H Weissensteiner, Aaron M Wenger, Melissa A Wilson, Samantha Zarate, Yiming Zhu, Justin M Zook, Evan E Eichler, Rachel J O'Neill, Michael C Schatz, Karen H Miga, Kateryna D Makova, Adam M Phillippy. The complete sequence of a human Y chromosome. Nature. 2023 Sep;621(7978):344-354

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PMID: 37612512

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