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Variation in heat s...
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Kiemel, K.University of Potsdam
(författare)
Variation in heat shock protein 40 kDa relates to divergence in thermotolerance among cryptic rotifer species
- Artikel/kapitelEngelska2022
Förlag, utgivningsår, omfång ...
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2022-12-31
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Springer Science and Business Media LLC,2022
Nummerbeteckningar
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LIBRIS-ID:oai:lup.lub.lu.se:9e2430ac-d8b5-4c50-b4cb-a75d5975d9c1
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https://lup.lub.lu.se/record/9e2430ac-d8b5-4c50-b4cb-a75d5975d9c1URI
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https://doi.org/10.1038/s41598-022-27137-3DOI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:art swepub-publicationtype
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Ämneskategori:ref swepub-contenttype
Anmärkningar
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Genetic divergence and the frequency of hybridization are central for defining species delimitations, especially among cryptic species where morphological differences are merely absent. Rotifers are known for their high cryptic diversity and therefore are ideal model organisms to investigate such patterns. Here, we used the recently resolved Brachionus calyciflorus species complex to investigate whether previously observed between species differences in thermotolerance and gene expression are also reflected in their genomic footprint. We identified a Heat Shock Protein gene (HSP 40 kDa) which exhibits cross species pronounced sequence variation. This gene exhibits species-specific fixed sites, alleles, and sites putatively under positive selection. These sites are located in protein binding regions involved in chaperoning and may therefore reflect adaptive diversification. By comparing three genetic markers (ITS, COI, HSP 40 kDa), we revealed hybridization events between the cryptic species. The low frequency of introgressive haplotypes/alleles suggest a tight, but not fully impermeable boundary between the cryptic species.
Ämnesord och genrebeteckningar
Biuppslag (personer, institutioner, konferenser, titlar ...)
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Gurke, M.Museum für Naturkunde,Humboldt University of Berlin
(författare)
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Paraskevopoulou, S.Lund University,Lunds universitet,Molekylär cellbiologi,Biologiska institutionen,Naturvetenskapliga fakulteten,Mikrobiologigruppen,Forskargrupper vid Lunds universitet,Molecular Cell Biology,Department of Biology,Faculty of Science,Microbiology Group,Lund University Research Groups(Swepub:lu)so8520pa
(författare)
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Havenstein, K.University of Potsdam
(författare)
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Weithoff, G.University of Potsdam
(författare)
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Tiedemann, R.University of Potsdam
(författare)
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University of PotsdamMuseum für Naturkunde
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Scientific Reports: Springer Science and Business Media LLC12:12045-2322
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