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Azospirillum argentinense Modifies Arabidopsis Root Architecture Through Auxin-dependent Pathway and Flagellin

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00027006%3A_____%2F23%3A10176355" target="_blank" >RIV/00027006:_____/23:10176355 - isvavai.cz</a>

  • Alternative codes found

    RIV/61989592:15640/23:73620286

  • Result on the web

    <a href="https://link.springer.com/journal/42729/volumes-and-issues/23-3" target="_blank" >https://link.springer.com/journal/42729/volumes-and-issues/23-3</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1007/s42729-023-01371-8" target="_blank" >10.1007/s42729-023-01371-8</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Azospirillum argentinense Modifies Arabidopsis Root Architecture Through Auxin-dependent Pathway and Flagellin

  • Original language description

    To evaluate if root architecture changes observed in Arabidopsis thaliana inoculated with Azospirillum argentinense Az39 depend exclusively on the bacterial capacity to produce indole-3-acetic acid (IAA) and plant ability to sense IAA levels. Azospirillum argentinense Az39, A. argentinense Az39 ipdC-, flagellin from A. argentinense Az39, and pure IAA were applied to A. thaliana Col-0 (wild-type) and tir1.1 (a lateral root deficient mutant) seedlings. Inoculation with heat-inactivated A. argentinense Az39 cells and a non-PGPR bacterium (Escherichia coli DH5 &amp; alpha;) was also tested. The primary root (PR) length, lateral roots (LR) number, and root hair (HR) density were assessed, and the root transcriptome was sequenced (Illumina HiSeq), followed by DEGs and GO term enrichment analyses. Inoculation with both A. argentinense strains resulted in a shorter PR and an increased number of LR and RH. IAA application (0.1 &amp; mu;M) led to a similar root phenotype than inoculation with Az39 (10(8) CFU mL(-1)). The addition of 1 &amp; mu;M flagellin, as well as plant exposure to non-lysed A. argentinense Az39 or E. coli DH5 &amp; alpha; cells, enhanced RH formation. Genes related to auxin signaling were highly expressed in the roots of Az39-inoculated seedlings; genes related to jasmonate and salicylic acid metabolism were highly expressed in the roots of plants inoculated with ipdC - . Root architecture changes in A. thaliana inoculated with A. argentinense Az39 do not depend exclusively on root IAA levels/IAA plant perception. This PGPR induces root morphological changes through both IAA-dependent and IAA-independent mechanisms. Flagellin may be a key molecule involved in IAA-independent mechanisms.

  • 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

    40106 - Agronomy, plant breeding and plant protection; (Agricultural biotechnology to be 4.4)

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

    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 Soil Science and Plant Nutrition

  • ISSN

    0718-9516

  • e-ISSN

  • Volume of the periodical

    23

  • Issue of the periodical within the volume

    3

  • Country of publishing house

    CH - SWITZERLAND

  • Number of pages

    15

  • Pages from-to

    4543-4557

  • UT code for WoS article

    001020270000005

  • EID of the result in the Scopus database

    2-s2.0-85163717089