Fast satellite DNA evolution in Nothobranchius annual killifishes

0580412 - ÚŽFG 2024 RIV DE eng J - Journal Article
Voleníková, Anna - Lukšíková, Karolína - Mora, P. - Pavlica, Tomáš - Altmanová, Marie - Štundlová, Jana - Pelikánová, Šárka - Simanovsky, S. A. - Jankásek, Marek - Reichard, Martin - Nguyen, Petr - Sember, Alexandr
Fast satellite DNA evolution in Nothobranchius annual killifishes.
Chromosome Research. Roč. 31, č. 4 (2023), č. článku 33. ISSN 0967-3849. E-ISSN 1573-6849
R&D Projects: GA ČR(CZ) GJ19-22346Y; GA MŠMT(CZ) LM2018131
Research Infrastructure: ELIXIR-CZ II - 90131; e-INFRA CZ - 90140
Institutional support: RVO:67985904 ; RVO:68081766
Keywords : centromere drive * constitutive heterochromatin * repeatExplorer * repetitive sequences * satDNA
OECD category: Genetics and heredity (medical genetics to be 3); Zoology (UBO-W)
Impact factor: 2.6, year: 2022
Method of publishing: Open access
https://link.springer.com/article/10.1007/s10577-023-09742-8

Satellite DNA (satDNA) is a rapidly evolving class of tandem repeats, with some monomers being involved in centromere organization and function. To identify repeats associated with (peri)centromeric regions, we investigated satDNA across Southern and Coastal clades of African annual killifishes of the genus Nothobranchius. Molecular cytogenetic and bioinformatic analyses revealed that two previously identified satellites, designated here as NkadSat01-77 and NfurSat01-348, are associated with (peri)centromeres only in one lineage of the Southern clade. NfurSat01-348 was, however, additionally detected outside centromeres in three members of the Coastal clade. We also identified a novel satDNA, NrubSat01-48, associated with (peri)centromeres in N. foerschi, N. guentheri, and N. rubripinnis. Our findings revealed fast turnover of satDNA associated with (peri)centromeres and different trends in their evolution in two clades of the genus Nothobranchius.
Permanent Link: https://hdl.handle.net/11104/0349187