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THE MAJOR SATELLITE DNA FAMILIES OF THE DIPLOID CHENOPODIUM ALBUM AGGREGATE SPECIES: ARGUMENTS FOR AND AGAINST THE “LIBRARY HYPOTHESIS”

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dc.contributor.author Belyayev, Alexander
dc.contributor.author Jandova, Michaela
dc.contributor.author Josefiova, Jiřina
dc.contributor.author Kalendar, Ruslan
dc.contributor.author Mahelka, Va´clav
dc.contributor.author Manda´k, Bohumil
dc.contributor.author Krak, Karol
dc.date.accessioned 2021-02-17T11:13:53Z
dc.date.available 2021-02-17T11:13:53Z
dc.date.issued 2020-10-27
dc.identifier.citation Belyayev, A., Jandová, M., Josefiová, J., Kalendar, R., Mahelka, V., Mandák, B., & Krak, K. (2020). The major satellite DNA families of the diploid Chenopodium album aggregate species: Arguments for and against the “library hypothesis.” PLOS ONE, 15(10), e0241206. https://doi.org/10.1371/journal.pone.0241206 en_US
dc.identifier.issn 1932-6203
dc.identifier.uri https://doi.org/10.1371/journal.pone.0241206
dc.identifier.uri https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0241206
dc.identifier.uri http://nur.nu.edu.kz/handle/123456789/5317
dc.description.abstract Satellite DNA (satDNA) is one of the major fractions of the eukaryotic nuclear genome. Highly variable satDNA is involved in various genome functions, and a clear link between satellites and phenotypes exists in a wide range of organisms. However, little is known about the origin and temporal dynamics of satDNA. The “library hypothesis” indicates that the rapid evolutionary changes experienced by satDNAs are mostly quantitative. Although this hypothesis has received some confirmation, a number of its aspects are still controversial. A recently developed next-generation sequencing (NGS) method allows the determination of the satDNA landscape and could shed light on unresolved issues. Here, we explore low-coverage NGS data to infer satDNA evolution in the phylogenetic context of the diploid species of the Chenopodium album aggregate. The application of the Illumina read assembly algorithm in combination with Oxford Nanopore sequencing and fluorescent in situ hybridization allowed the estimation of eight satDNA families within the studied group, six of which were newly described. The obtained set of satDNA families of different origins can be divided into several categories, namely group-specific, lineage-specific and species-specific. In the process of evolution, satDNA families can be transmitted vertically and can be eliminated over time. Moreover, transposable element-derived satDNA families may appear repeatedly in the satellitome, creating an illusion of family conservation. Thus, the obtained data refute the “library hypothesis”, rather than confirming it, and in our opinion, it is more appropriate to speak about “the library of the mechanisms of origin”. en_US
dc.language.iso en en_US
dc.publisher Public Library of Science en_US
dc.relation.ispartofseries PLOS ONE;15(10), e0241206
dc.rights Attribution-NonCommercial-ShareAlike 3.0 United States *
dc.rights.uri http://creativecommons.org/licenses/by-nc-sa/3.0/us/ *
dc.subject Genomics en_US
dc.subject Monomers en_US
dc.subject Fish genomics en_US
dc.subject DNA cloning en_US
dc.subject Chromosome pairs en_US
dc.subject DNA libraries en_US
dc.subject Genome sequencing en_US
dc.subject Tandem repeats en_US
dc.subject Research Subject Categories::NATURAL SCIENCES en_US
dc.title THE MAJOR SATELLITE DNA FAMILIES OF THE DIPLOID CHENOPODIUM ALBUM AGGREGATE SPECIES: ARGUMENTS FOR AND AGAINST THE “LIBRARY HYPOTHESIS” en_US
dc.type Article en_US
workflow.import.source science


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