Abscisic acid biosynthesis is necessary for full auxin effects on hypocotyl elongation

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216224%3A14740%2F23%3A00131904" target="_blank" >RIV/00216224:14740/23:00131904 - isvavai.cz</a>

Výsledek na webu

<a href="https://journals.biologists.com/dev/article-abstract/doi/10.1242/dev.202106/333522/Abscisic-acid-biosynthesis-is-necessary-for-full" target="_blank" >https://journals.biologists.com/dev/article-abstract/doi/10.1242/dev.202106/333522/Abscisic-acid-biosynthesis-is-necessary-for-full</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1242/dev.202106" target="_blank" >10.1242/dev.202106</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Abscisic acid biosynthesis is necessary for full auxin effects on hypocotyl elongation

Popis výsledku v původním jazyce

In concert with other phytohormones, auxin regulates plant growth and development. However, how auxin and other phytohormones coordinately regulate distinct processes is not fully understood. In this work, we uncover an auxin - abscisic acid (ABA) interaction module that is specific to coordinating activities of these hormones in the hypocotyl. From our forward genetics screen, we determine that ABA biosynthesis is required for the full effects of auxin on hypocotyl elongation. Our data also suggest that ABA biosynthesis is not required for the inhibitory effects of auxin treatment on root elongation. Our transcriptome analysis identified distinct auxin-responsive genes in root and shoot tissues, consistent with differential regulation of the growth in these tissues. Further, our data suggests that many gene targets repressed upon auxin treatment require an intact ABA pathway for full repression. Our results support a model in which auxin stimulates ABA biosynthesis to fully regulate hypocotyl elongation.

Název v anglickém jazyce

Abscisic acid biosynthesis is necessary for full auxin effects on hypocotyl elongation

Popis výsledku anglicky

In concert with other phytohormones, auxin regulates plant growth and development. However, how auxin and other phytohormones coordinately regulate distinct processes is not fully understood. In this work, we uncover an auxin - abscisic acid (ABA) interaction module that is specific to coordinating activities of these hormones in the hypocotyl. From our forward genetics screen, we determine that ABA biosynthesis is required for the full effects of auxin on hypocotyl elongation. Our data also suggest that ABA biosynthesis is not required for the inhibitory effects of auxin treatment on root elongation. Our transcriptome analysis identified distinct auxin-responsive genes in root and shoot tissues, consistent with differential regulation of the growth in these tissues. Further, our data suggests that many gene targets repressed upon auxin treatment require an intact ABA pathway for full repression. Our results support a model in which auxin stimulates ABA biosynthesis to fully regulate hypocotyl elongation.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10611 - Plant sciences, botany

Projekt

<a href="/cs/project/EF16_026%2F0008446" target="_blank" >EF16_026/0008446: Integrace signálu a epigenetické reprogramování pro produktivitu rostlin</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2023

Kód důvěrnosti údajů

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

Název periodika

Development

ISSN

0950-1991

e-ISSN

1477-9129

Svazek periodika

150

Číslo periodika v rámci svazku

23

Stát vydavatele periodika

GB - Spojené království Velké Británie a Severního Irska

Počet stran výsledku

11

Strana od-do

1-11

Kód UT WoS článku

001149725900005

EID výsledku v databázi Scopus

2-s2.0-85178495606