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Multiple strategies of plant colonization by beneficial endophytic Enterobacter sp. SA187

Identifikátory výsledku

  • Kód výsledku v IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389030%3A_____%2F21%3A00552930" target="_blank" >RIV/61389030:_____/21:00552930 - isvavai.cz</a>

  • Výsledek na webu

    <a href="http://doi.org/10.1111/1462-2920.15747" target="_blank" >http://doi.org/10.1111/1462-2920.15747</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1111/1462-2920.15747" target="_blank" >10.1111/1462-2920.15747</a>

Alternativní jazyky

  • Jazyk výsledku

    angličtina

  • Název v původním jazyce

    Multiple strategies of plant colonization by beneficial endophytic Enterobacter sp. SA187

  • Popis výsledku v původním jazyce

    Although many endophytic plant growth-promoting rhizobacteria have been identified, relatively little is still known about the mechanisms by which they enter plants and promote plant growth. The beneficial endophyte Enterobacter sp. SA187 was shown to maintain the productivity of crops in extreme agricultural conditions. Here we present that roots of its natural host (Indigofera argentea), alfalfa, tomato, wheat, barley and Arabidopsis are all efficiently colonized by SA187. Detailed analysis of the colonization process in Arabidopsis showed that colonization already starts during seed germination, where seed-coat mucilage supports SA187 proliferation. The meristematic zone of growing roots attracts SA187, allowing epiphytic colonization in the elongation zone. Unlike primary roots, lateral roots are significantly less epiphytically colonized by SA187. Root endophytic colonization was found to occur by passive entry of SA187 at lateral-root bases. However, SA187 also actively penetrates the root epidermis by enzymatic disruption of plant cell wall material. In contrast to roots, endophytic colonization of shoots occurs via stomata, whereby SA187 can actively re-open stomata similarly to pathogenic bacteria. In summary, several entry strategies were identified that allow SA187 to establish itself as a beneficial endophyte in several plant species, supporting its use as a plant growth-promoting bacterium in agriculture systems.

  • Název v anglickém jazyce

    Multiple strategies of plant colonization by beneficial endophytic Enterobacter sp. SA187

  • Popis výsledku anglicky

    Although many endophytic plant growth-promoting rhizobacteria have been identified, relatively little is still known about the mechanisms by which they enter plants and promote plant growth. The beneficial endophyte Enterobacter sp. SA187 was shown to maintain the productivity of crops in extreme agricultural conditions. Here we present that roots of its natural host (Indigofera argentea), alfalfa, tomato, wheat, barley and Arabidopsis are all efficiently colonized by SA187. Detailed analysis of the colonization process in Arabidopsis showed that colonization already starts during seed germination, where seed-coat mucilage supports SA187 proliferation. The meristematic zone of growing roots attracts SA187, allowing epiphytic colonization in the elongation zone. Unlike primary roots, lateral roots are significantly less epiphytically colonized by SA187. Root endophytic colonization was found to occur by passive entry of SA187 at lateral-root bases. However, SA187 also actively penetrates the root epidermis by enzymatic disruption of plant cell wall material. In contrast to roots, endophytic colonization of shoots occurs via stomata, whereby SA187 can actively re-open stomata similarly to pathogenic bacteria. In summary, several entry strategies were identified that allow SA187 to establish itself as a beneficial endophyte in several plant species, supporting its use as a plant growth-promoting bacterium in agriculture systems.

Klasifikace

  • Druh

    J<sub>imp</sub> - Článek v periodiku v databázi Web of Science

  • CEP obor

  • OECD FORD obor

    10606 - Microbiology

Návaznosti výsledku

  • Projekt

  • Návaznosti

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Ostatní

  • Rok uplatnění

    2021

  • Kód důvěrnosti údajů

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

Údaje specifické pro druh výsledku

  • Název periodika

    Environmental Microbiology

  • ISSN

    1462-2912

  • e-ISSN

    1462-2920

  • Svazek periodika

    23

  • Číslo periodika v rámci svazku

    10

  • Stát vydavatele periodika

    GB - Spojené království Velké Británie a Severního Irska

  • Počet stran výsledku

    18

  • Strana od-do

    6223-6240

  • Kód UT WoS článku

    000696110300001

  • EID výsledku v databázi Scopus

    2-s2.0-85115274851