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Duplication, balancing selection and trans-species evolution explain the high levels of polymorphism of the DQA MHC class II gene in voles (Arvicolinae)

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68081766%3A_____%2F06%3A00042520" target="_blank" >RIV/68081766:_____/06:00042520 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Duplication, balancing selection and trans-species evolution explain the high levels of polymorphism of the DQA MHC class II gene in voles (Arvicolinae)

  • Original language description

    We described the structure and diversity of exon 2 of the MHC class II DQA gene in three species of voles (Arvicolinae) exhibiting regular multi-annual fluctuations of population density and analysed the processes leading to the observed MHC polymorphism. All exon 2 sequences translate to give unique amino acid sequences and positive selection was found to act very intensively on antigen binding sites. We documented the presence of recombination at vole DQA region but its importance in generating allelic polymorphism seems to be relatively limited. For the first time with rodents, we documented the duplication of the DQA gene in all three species with both copies being transcriptionally active.

  • Czech name

    Duplikace, balancující selekce a trans-species evoluce vysvětlují vysoký stupeň polymorfismu genu DQA (MHC Class II) u hrabošů (Arvicolinae)

  • Czech description

    Použitím klonování, sekvenování a SSCP byl popsán polymorfismus DQA genu (MHC Class II) u tří druhů hrabošovitých hlodavců. Všechny sekvence exonu 2 jsou jedinečně přepisovatelné a vykazují známky balancující selekce (trans-species evoluce, vysoký početmutací v pozicích kódujících ABS). Poprvé u hlodavců je zjištěna duplikace DQA genu u všech tří sledovaných druhů.

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    EB - Genetics and molecular biology

  • OECD FORD branch

Result continuities

  • Project

  • Continuities

    Z - Vyzkumny zamer (s odkazem do CEZ)

Others

  • Publication year

    2006

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Immunogenetics

  • ISSN

    0093-7711

  • e-ISSN

  • Volume of the periodical

    58

  • Issue of the periodical within the volume

    2-3

  • Country of publishing house

    DE - GERMANY

  • Number of pages

    12

  • Pages from-to

    191-202

  • UT code for WoS article

  • EID of the result in the Scopus database