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Characterization of pollen-expressed bZIP protein interactions and the role of ATbZIP18 in the male gametophyte

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11310%2F17%3A10373163" target="_blank" >RIV/00216208:11310/17:10373163 - isvavai.cz</a>

  • Alternative codes found

    RIV/67985823:_____/17:00482646 RIV/61389030:_____/17:00476392 RIV/61388963:_____/17:00482646 RIV/00023752:_____/17:43919307

  • Result on the web

    <a href="https://doi.org/10.1007/s00497-016-0295-5" target="_blank" >https://doi.org/10.1007/s00497-016-0295-5</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1007/s00497-016-0295-5" target="_blank" >10.1007/s00497-016-0295-5</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Characterization of pollen-expressed bZIP protein interactions and the role of ATbZIP18 in the male gametophyte

  • Original language description

    Transcriptional control of gene expression represents an important mechanism guiding organisms through developmental processes and providing plasticity towards environmental stimuli. Because of their sessile nature, plants require effective gene regulation for rapid response to variation in environmental and developmental conditions. Transcription factors (TFs) provide such control ensuring correct gene expression in spatial and temporal manner. Our work reports the interaction network of six bZIP TFs expressed in Arabidopsis thaliana pollen and highlights the potential functional role for AtbZIP18 in pollen. AtbZIP18 was shown to interact with three other pollen-expressed bZIP TFs-AtbZIP34, AtbZIP52, and AtbZIP61 in yeast two-hybrid assays. AtbZIP18 transcripts are highly expressed in pollen, and at the subcellular level, an AtbZIP18-GFP fusion protein was located in the nucleus and cytoplasm/ER. To address the role of AtbZIP18 in the male gametophyte, we performed phenotypic analysis of a T-DNA knockout allele, which showed slightly reduced transmission through the male gametophyte. Some of the phenotype defects in atbzip18 pollen, although observed at low penetrance, were similar to those seen at higher frequency in the T-DNA knockout of the interacting partner, AtbZIP34. To gain deeper insight into the regulatory role of AtbZIP18, we analysed atbzip18/- pollen microarray data. Our results point towards a potential repressive role for AtbZIP18 and its functional redundancy with AtbZIP34 in pollen.

  • 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

    2017

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    Plant Reproduction

  • ISSN

    2194-7953

  • e-ISSN

  • Volume of the periodical

    30

  • Issue of the periodical within the volume

    1

  • Country of publishing house

    DE - GERMANY

  • Number of pages

    17

  • Pages from-to

    1-17

  • UT code for WoS article

    000396118900001

  • EID of the result in the Scopus database

    2-s2.0-84997712923