2020
DOI: 10.3389/fpls.2020.00437
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Arabidopsis Lectin EULS3 Is Involved in ABA Signaling in Roots

Abstract: The Arabidopsis thaliana lectin ArathEULS3 is upregulated in particular stress conditions and upon abscisic acid (ABA) treatment. ABA is a plant hormone important for plant growth and stress responses. During stress ABA is perceived by PYR/PYL/RCAR receptors, inhibiting protein phosphatases PP2Cs thereby enabling SNRK2s kinases to start downstream phosphorylation cascades and signaling. PYL9, one of the ABA receptors was identified as an interacting partner for ArathEULS3. Promoter::GUS activity studies reveal… Show more

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Cited by 13 publications
(8 citation statements)
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“…In the T3 generation, five homozygous knockout lines were obtained: KO1 (1 bp deletion), KO2 (1 bp insertion), KO3 (1bp deletion), KO4 (1 bp deletion), and KO5 (1 bp insertion) ( Supplementary Figure 2 ). More experimental details have been described by Dubiel et al ( 2020 ).…”
Section: Methodsmentioning
confidence: 99%
“…In the T3 generation, five homozygous knockout lines were obtained: KO1 (1 bp deletion), KO2 (1 bp insertion), KO3 (1bp deletion), KO4 (1 bp deletion), and KO5 (1 bp insertion) ( Supplementary Figure 2 ). More experimental details have been described by Dubiel et al ( 2020 ).…”
Section: Methodsmentioning
confidence: 99%
“…It is possible that the negative effects on plants development observed in AhN4L-1 OE transgenic A. thaliana plants were the result of fitness costs often associated with plants manipulated to have enhanced disease resistance (Bowling et al, 1994;Mauch et al, 2001) and/or due to a yet to be determined toxic effect caused by the undue accumulation of the AhN4L-1 protein. Another possible explanation of the marked root growth inhibition produced by AhN4L-1 overexpression could invoke the effects caused by a knock-out mutation of the ArathEULS3 lectin in Arabidopsis plants, which produced significantly longer primary roots, presumably as a result of reduced ABA sensitivity (Dubiel et al, 2020b). This similarity suggests that the development-related effects produced by the over expression of AhN4L-1 in Arabidopsis could have been partially due to an association with ABA signaling.…”
Section: Discussionmentioning
confidence: 99%
“…Measurement of root growth dynamics and root growth under stress conditions was conducted as described (Dubiel et al, 2020 ). In short, seeds of A. thaliana Col-0 and mutant plants were sterilized, stratified for 3 days, and grown on half-strength MS medium.…”
Section: Methodsmentioning
confidence: 99%