ArticlePlant molecular biology2020
OsJAZ9 overexpression modulates jasmonic acid biosynthesis and potassium deficiency responses in rice.
Article in Plant molecular biology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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Who cites it
14 citing papers in PubMed, 50 citations in OpenAlex.
- Potassium Deficiency and Hormone Signalling in Plants.Plant, cell & environment · 2026Review
- The role of jasmonates in plant root growth and development.Frontiers in plant science · 2026Review
- Article
- Genome-Wide Analysis of theInternational journal of molecular sciences · 2025Article
- Divergent MYB paralogs determine spatial distribution of linalool mediated by JA and DNA demethylation participating in aroma formation and cold tolerance of tea plants.Plant biotechnology journal · 2025Article
- Jasmonate ZIM Domain Protein (Plants (Basel, Switzerland) · 2024Article
- Rice breeding for low input agriculture.Frontiers in plant science · 2024Review
- An Investigation of the JAZ Family and the CwMYC2-like Protein to Reveal Their Regulation Roles in the MeJA-Induced Biosynthesis of β-Elemene inInternational journal of molecular sciences · 2023Article
- Transcriptional and Post-Translational Regulation of Plant bHLH Transcription Factors during the Response to Environmental Stresses.Plants (Basel, Switzerland) · 2023Review
- Root system architecture in rice: impacts of genes, phytohormones and root microbiota.3 Biotech · 2022Review
- Article
- Phylogenetic analysis and expression profiles of jasmonate ZIM-domain gene family provide insight into abiotic stress resistance in sunflower.Frontiers in plant science · 2022Article
- Genome-wide identification and expression analysis of the JAZ gene family in turnip.Scientific reports · 2021Article
- Article
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Authors and funding
5 authors at 3 institutions in 3 countries.
Funding
Abstract
key messageEnhanced bioactive JA (JA-Ile) accumulation in OsJAZ9 overexpressing rice helps plants tolerate K deficiency. Potassium (K) represents up to 10% of the plant's total dry biomass, and its deficiency makes plants highly susceptible to both abiotic and biotic stresses. K shortage results in the inhibition of root and shoots growth, but the underlying mechanism of this response is unclear. Our RNA-Seq and qPCR analysis suggested leading roles for JA pathway genes under K deficiency in rice. Notably, K deficiency and JA application produced similar phenotypic and transcriptional responses. Here, we integrated molecular, physiological and morphological studies to analyze the role of OsJAZ9 in JA homeostasis and K deficiency responses. We raised OsJAZ9 over-expression, knockdown, transcriptional reporter, translational reporter and C-terminal deleted translational reporter lines in rice to establish the role of JA signaling in K ion homeostasis. JA profiling revealed significantly increased JA-Ile levels in OsJAZ9 OE lines under K deficiency. Furthermore, we established that OsJAZ9 overexpression and knockdown result in K deficiency tolerance and sensitivity, respectively, by modulating various K transporters and root system architecture. Our data provide evidence on the crucial roles of OsJAZ9 for improving K deficiency tolerance in rice by altering JA levels and JA responses.
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