ArticleAdvanced science (Weinheim, Baden-Wurttemberg, Germany)2025
TaPPR13, a Pentatricopeptide Repeat Protein Gene Activated by TaBZR2, Confers Drought Stress Tolerance by Enhancing the Antioxidant Defense System and Promoting Retrograde Signaling in Wheat (Triticum aestivum).
Article in Advanced science (Weinheim, Baden-Wurttemberg, Germany), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Targeting the Light-Harvesting Complex I Gene Lhca4 Confers Saline-Alkali Tolerance in Rice Without Yield Penalty.Plant, cell & environment · 2026Article
- A TaMYB2-TaMAP3K17 module enhances drought tolerance by promoting reactive oxygen species scavenging in wheat.aBIOTECH · 2026Article
- Genetic dissection of cold stress tolerance and yield potential under cold stress in nested synthetic wheat (Triticum aestivum L.) introgression libraries using multi-locus genome-wide association and haplotype analysis.Functional & integrative genomics · 2026Article
- TaPPR13, a Pentatricopeptide Repeat Protein Gene Activated by TaBZR2, Confers Drought Stress Tolerance by Enhancing the Antioxidant Defense System and Promoting Retrograde Signaling in Wheat (Triticum aestivum).Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
- Genome-wide identification and characterization of the Brassinazole-resistant gene family and associated responses to osmotic stress inFrontiers in plant science · 2025Article
Corrections and comments
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Authors and funding
21 authors.
Funding
Abstract
The wheat (Triticum aestivum) brassinazole-resistant 2 (TaBZR2) gene is identified as significantly associated with drought tolerance by genome-wide association study (GWAS), and a chloroplast pentatricopeptide repeat (PPR) protein gene TaPPR13 functioned as a positive drought stress regulator downstream of TaBZR2. Overexpression of TaPPR13 enhanced the antioxidative defense system, whereas knockdown of TaPPR13 led to the accumulation of reactive oxygen species (ROS) and caused abnormalities in chloroplast thylakoids under drought stress conditions. RNA-seq analysis showed that overexpression of TaPPR13 significantly upregulated the expression of nuclear-encoded genes involved in ROS scavenging and the abscisic acid (ABA) signaling pathway. Furthermore, TaPPR13 interacted with TaAOR1 and TaSIG5 to facilitate detoxification and regulate chloroplast gene expression, thereby enhancing drought tolerance. Overexpression of TaPPR13 and TaAOR1 mediated stomatal closure to reduce water loss, improving photosynthetic capacity and conferring a yield advantage under drought stress. These findings show that TaPPR13 promotes retrograde signaling to alter nuclear gene expression, with the TaBZR2-TaPPR13-TaAOR1/TaSIG5 module representing a novel signaling pathway that likely plays a pivotal role in drought stress response.
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Registered trials
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 Socratic graph.