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Control of cambium initiation and activity in Arabidopsis by the transcriptional regulator AHL15

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389030%3A_____%2F22%3A00561529" target="_blank" >RIV/61389030:_____/22:00561529 - isvavai.cz</a>

  • Alternative codes found

    RIV/61989592:15310/22:73616734

  • Result on the web

    <a href="https://doi.org/10.1016/j.cub.2022.02.060" target="_blank" >https://doi.org/10.1016/j.cub.2022.02.060</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1016/j.cub.2022.02.060" target="_blank" >10.1016/j.cub.2022.02.060</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Control of cambium initiation and activity in Arabidopsis by the transcriptional regulator AHL15

  • Original language description

    Plant secondary growth, which is the basis of wood formation, includes the production of secondary xylem, which is derived from meristematic cambium cells embedded in vascular tissue. Here, we identified an important role for the Arabidopsis thaliana (Arabidopsis) AT-HOOK MOTIF CONTAINING NUCLEAR LOCALIZED 15 (AHL15) transcriptional regulator in controlling vascular cambium activity. The limited secondary xylem development in inflorescence stems of herbaceous Arabidopsis plants was significantly reduced in ahl15 loss-of-function mutants, whereas constitutive or vascular meristem-specific AHL15 overexpression produced woody inflorescence stems. AHL15 was required for enhanced secondary xylem formation in the woody suppressor of overexpression of constans 1 (soc1) fruitfull (ful) double loss-of-function mutant. Moreover, we found that AHL15 induces vascular cambium activity downstream of the repressing SOC1 and FUL transcription factors, most likely similar to how it enhances lateral branching by promoting biosynthesis of the hormone cytokinin. Our results uncover a novel pathway driving cambium development, in which AHL15 expression levels act in parallel to and are dependent on the well-established TDIF-PXY-WOX pathway to differentiate between herbaceous and woody stem growth.

  • 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

    10608 - Biochemistry and molecular biology

Result continuities

  • Project

    <a href="/en/project/EF16_019%2F0000827" target="_blank" >EF16_019/0000827: Plants as a tool for sustainable global development</a><br>

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2022

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    Current Biology

  • ISSN

    0960-9822

  • e-ISSN

    1879-0445

  • Volume of the periodical

    32

  • Issue of the periodical within the volume

    8

  • Country of publishing house

    GB - UNITED KINGDOM

  • Number of pages

    12

  • Pages from-to

    1764-1775

  • UT code for WoS article

    000800107000008

  • EID of the result in the Scopus database

    2-s2.0-85129779066