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Ethylene regulates root growth through effects on auxin biosynthesis and transport-dependent auxin distribution

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216224%3A14310%2F07%3A00025807" target="_blank" >RIV/00216224:14310/07:00025807 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Ethylene regulates root growth through effects on auxin biosynthesis and transport-dependent auxin distribution

  • Original language description

    In plants, each developmental process integrates a network of signaling events that are regulated by different phytohormones, and interactions among hormonal pathways are essential to modulate their effect. Continuous growth of roots results from the postembryonic activity of cells within the root meristem that is controlled by the coordinated action of several phytohormones, including auxin and ethylene. Although their interaction has been studied intensively, the molecular and cellular mechanisms underlying this interplay are unknown. We show that the effect of ethylene on root growth is largely mediated by the regulation of the auxin biosynthesis and transport-dependent local auxin distribution. Ethylene stimulates auxin biosynthesis and basipetal auxin transport toward the elongation zone, where it activates a local auxin response leading to inhibition of cell elongation. Consistently, in mutants affected in auxin perception or basipetal auxin transport, ethylene cannot activate th

  • Czech name

    Etylen reguluje vyvoj korene ovlivnenim auxinove biosyntezy a auxinove distribuce

  • Czech description

    Každý vývojový proces v rostlinách je výsledkem integrace signálních drah regulovaných různými hormony. Interakce mezi signálními drahami zásadně ovlivňuje jejich účinek. Růst kořene je výsledkem postembryonální aktivity buněk kořenového meristému kteráje kontrolována souhrou několika hormonů včetně auxinu a etylenu. Ačkoliv byla jejich interakce intenzivně studována, molekulární a buňečná podstata jejich interakce nebyla dosud objasněna. Zde ukazujeme, že etylen ovlivňuje auxinovou biosyntézu a auxinovou distribuci. Navíc etylen ovlivňuje přepis genů kódujících komponenty auxinového transportu. Tímto způsobem etylen aktivuje lokálně auxinovou signální dráhu a reguluje růst kořene stimulací auxinové biosyntézy a modulací auxinového transportu.

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

    2007

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    PLANT CELL

  • ISSN

    1040-4651

  • e-ISSN

  • Volume of the periodical

    19

  • Issue of the periodical within the volume

    7

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    16

  • Pages from-to

  • UT code for WoS article

  • EID of the result in the Scopus database