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Non-Rabl chromosome organization in endoreduplicated nuclei of barley embryo and endosperm tissues

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389030%3A_____%2F23%3A00575646" target="_blank" >RIV/61389030:_____/23:00575646 - isvavai.cz</a>

  • Result on the web

    <a href="https://doi.org/10.1093/jxb/erad036" target="_blank" >https://doi.org/10.1093/jxb/erad036</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1093/jxb/erad036" target="_blank" >10.1093/jxb/erad036</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Non-Rabl chromosome organization in endoreduplicated nuclei of barley embryo and endosperm tissues

  • Original language description

    Rabl organization is a type of interphase chromosome arrangement with centromeres and telomeres clustering at opposite nuclear poles. Here, we analyzed nuclear morphology and chromosome organization in cycling and endoreduplicated nuclei isolated from embryo and endosperm tissues of developing barley seeds. We show that endoreduplicated nuclei have an irregular shape, less sister chromatid cohesion at 5S rDNA loci, and a reduced amount of centromeric histone CENH3. While the chromosomes of the embryo and endosperm nuclei are initially organized in Rabl configuration, the centromeres and telomeres are intermingled within the nuclear space in the endoreduplicated nuclei with an increasing endoreduplication level. Such a loss of chromosome organization suggests that Rabl configuration is introduced and further reinforced by mitotic divisions in barley cell nuclei in a tissue- and seed age-dependent manner.

  • 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

    Result was created during the realization of more than one project. More information in the Projects tab.

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2023

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    Journal of Experimental Botany

  • ISSN

    0022-0957

  • e-ISSN

    1460-2431

  • Volume of the periodical

    74

  • Issue of the periodical within the volume

    8

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    15

  • Pages from-to

    2527-2541

  • UT code for WoS article

    000937763500001

  • EID of the result in the Scopus database

    2-s2.0-85159953310