Evidence map›Paper›PMID 24894996›Full record

ArticleScience signaling2014

The ABA receptor PYL8 promotes lateral root growth by enhancing MYB77-dependent transcription of auxin-responsive genes.

Yang Zhao, Lu Xing, Xingang Wang, Yueh-Ju Hou, Jinghui Gao, Pengcheng Wang, Cheng-Guo Duan, Xiaohong Zhu, Jian-Kang Zhu

Abstract read
In one paragraph

Article in Science signaling, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 166 papers.

0numbers the graph read from it
0cells of the map it votes in
166citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

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Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

166 citing papers in PubMed.

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  20. Fine mapping ofMolecular breeding : new strategies in plant improvement · 2025
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106 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

9 authors.

Yang Zhao *Shanghai Center for Plant Stress Biology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai 200032, China.
Lu Xing *Department of Horticulture and Landscape Architecture, Purdue University, West Lafayette, IN 47907, USA.
Xingang WangDepartment of Horticulture and Landscape Architecture, Purdue University, West Lafayette, IN 47907, USA.
Yueh-Ju HouDepartment of Horticulture and Landscape Architecture, Purdue University, West Lafayette, IN 47907, USA.
Jinghui GaoDepartment of Horticulture and Landscape Architecture, Purdue University, West Lafayette, IN 47907, USA.
Pengcheng WangDepartment of Horticulture and Landscape Architecture, Purdue University, West Lafayette, IN 47907, USA.
Cheng-Guo DuanDepartment of Horticulture and Landscape Architecture, Purdue University, West Lafayette, IN 47907, USA.
Xiaohong ZhuDepartment of Horticulture and Landscape Architecture, Purdue University, West Lafayette, IN 47907, USA.
Jian-Kang ZhuShanghai Center for Plant Stress Biology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai 200032, China.

Funding

CALCIUM SIGNALING--INTRACELL ION HOMEOSTASIS REGULATIONR01GM059138 · NIGMS · UNIVERSITY OF CALIFORNIA RIVERSIDE · PI ZHU, JIAN-KANG · 1999 to 2015
$4.4M
NIGMS NIH HHS R01 GM059138NIGMS NIH HHS R01GM059138
6 · The paper itself

Abstract

The phytohormone abscisic acid (ABA) regulates plant growth, development, and abiotic stress responses. ABA signaling is mediated by a group of receptors known as the PYR1/PYL/RCAR family, which includes the pyrabactin resistance 1-like protein PYL8. Under stress conditions, ABA signaling activates SnRK2 protein kinases to inhibit lateral root growth after emergence from the primary root. However, even in the case of persistent stress, lateral root growth eventually recovers from inhibition. We showed that PYL8 is required for the recovery of lateral root growth, following inhibition by ABA. PYL8 directly interacted with the transcription factors MYB77, MYB44, and MYB73. The interaction of PYL8 and MYB77 increased the binding of MYB77 to its target MBSI motif in the promoters of multiple auxin-responsive genes. Compared to wild-type seedlings, the lateral root growth of pyl8 mutant seedlings and myb77 mutant seedlings was more sensitive to inhibition by ABA. The recovery of lateral root growth was delayed in pyl8 mutant seedlings in the presence of ABA, and the defect was rescued by exposing pyl8 mutant seedlings to the auxin IAA (3-indoleacetic acid). Thus, PYL8 promotes lateral root growth independently of the core ABA-SnRK2 signaling pathway by enhancing the activities of MYB77 and its paralogs, MYB44 and MYB73, to augment auxin signaling.

Indexed as

Abscisic AcidArabidopsisArabidopsis ProteinsElectrophoretic Mobility Shift AssayGene Expression Regulation, PlantIndoleacetic AcidsPlant RootsPlasmidsSignal TransductionStress, PhysiologicalTranscription FactorsTwo-Hybrid System TechniquesAbscisic AcidArabidopsis ProteinsAt5g67300 protein, Arabidopsisindoleacetic acidIndoleacetic AcidsMyb73 protein, ArabidopsisMyb77 protein, ArabidopsisPYL8 protein, ArabidopsisTranscription Factors

Identifiers

PMID24894996
PMCPMC4298826

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.