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Reciprocal allopolyploid grasses (Festuca x Lolium) display stable patterns of genome dominance

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989592%3A15310%2F21%3A73607594" target="_blank" >RIV/61989592:15310/21:73607594 - isvavai.cz</a>

  • Alternative codes found

    RIV/00216224:14310/21:00124453

  • Result on the web

    <a href="https://onlinelibrary.wiley.com/doi/10.1111/tpj.15375" target="_blank" >https://onlinelibrary.wiley.com/doi/10.1111/tpj.15375</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1111/tpj.15375" target="_blank" >10.1111/tpj.15375</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Reciprocal allopolyploid grasses (Festuca x Lolium) display stable patterns of genome dominance

  • Original language description

    Allopolyploidization entailing the merger of two distinct genomes in a single hybrid organism, is an important process in plant evolution and a valuable tool in breeding programs. Newly established hybrids often experience massive genomic perturbations, including karyotype reshuffling and gene expression modifications. These phenomena may be asymmetric with respect to the two progenitors, with one of the parental genomes being &quot;dominant.&quot; Such &quot;genome dominance&quot; can manifest in several ways, including biased homoeolog gene expression and expression level dominance. Here we employed a k-mer-based approach to study gene expression in reciprocal Festuca pratensis Huds. x Lolium multiflorum Lam. allopolyploid grasses. Our study revealed significantly more genes where expression mimicked that of the Lolium parent compared with the Festuca parent. This genome dominance was heritable to successive generation and its direction was only slightly modified by environmental conditions and plant age. Our results suggest that Lolium genome dominance was at least partially caused by its more efficient trans-acting gene expression regulatory factors. Unraveling the mechanisms responsible for propagation of parent-specific traits in hybrid crops contributes to our understanding of allopolyploid genome evolution and opens a way to targeted breeding strategies.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    10611 - Plant sciences, botany

Result continuities

  • Project

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2021

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    PLANT JOURNAL

  • ISSN

    0960-7412

  • e-ISSN

  • Volume of the periodical

    107

  • Issue of the periodical within the volume

    4

  • Country of publishing house

    GB - UNITED KINGDOM

  • Number of pages

    17

  • Pages from-to

    1166-1182

  • UT code for WoS article

    000681215000001

  • EID of the result in the Scopus database

    2-s2.0-85111738975