Mark Blaxter
A catalogue of chromosome counts for Phylum Nematoda
Blaxter, Mark; Leech, Chloe; Lunt, David H
Abstract
Nematodes are important biological models in genetics and genomics, with research driven by basic biological as well as applied questions. The presence of holocentric chromosomes, clades with frequent polyploidy and the phenomenon of programmed DNA elimination make nematode karyotypic diversity of particular interest. Here we present a catalogue of published karyotypes of nematode species, rationalising and normalising descriptions from the previous 135 years. Karyotypes of 257 species are presented in taxonomic context. Nuclear chromosome counts range from 2 to 60. Tylenchina is identified as particularly diverse in karyotype. We highlight that Rhabditida and especially parasitic Rhabditina are well-represented, but there is a paucity of data from Enoplea, Dorylaimia, and from free-living marine groups in Chromadorea. The data have been uploaded to the Genomes on a Tree (GoaT) datasystem (https://goat.genomehubs.org/) for integration with ongoing, large-scale genome sequencing efforts.
Citation
Blaxter, M., Leech, C., & Lunt, D. H. A catalogue of chromosome counts for Phylum Nematoda
Working Paper Type | Working Paper |
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Deposit Date | May 17, 2024 |
Publicly Available Date | Jun 20, 2024 |
Publisher | F1000Research |
Public URL | https://hull-repository.worktribe.com/output/4668906 |
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Copyright Statement
© 2024 Blaxter ML et al. This is an open access work distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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