ArticleFrontiers in plant science2022
Determination of traits responding to iron toxicity stress at different stages and genome-wide association analysis for iron toxicity tolerance in rice (
Article in Frontiers in plant science, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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9 citing papers in PubMed, 14 citations in OpenAlex.
- Root iron sequestration and antioxidant regulation govern iron-toxicity tolerance in indigenous rice genotypes from Northeast India.Plant cell reports · 2026Article
- Unveiling genetic loci and natural alleles for seed iron accumulation in adzuki bean via genome-wide association study.BMC plant biology · 2026Article
- Genomic dissection of iron toxicity tolerance in rice identifies key loci, candidate genes, and associated haplotypes.Scientific reports · 2026Article
- Genome-wide association analysis of grain iron and zinc in rice grown under agroclimatic sites with contrasting soil iron status.Frontiers in plant science · 2025Article
- Transcriptomic analysis of rice cultivars with distinct resistance mechanisms toFrontiers in plant science · 2025Article
- Impact of iron sulfate (FeSOScientific reports · 2024Article
- Candidate Genes and Favorable Haplotypes Associated with Iron Toxicity Tolerance in Rice.International journal of molecular sciences · 2024Article
- Field Evaluation of Rice Lines Derived from Suakoko 8 X Bao Thai for Iron Tolerance in the South Saharan African Farming System.Plants (Basel, Switzerland) · 2024Article
- Genome-wide association study identifies key F-box genes linked to ethylene responsiveness and root growth in rice (Frontiers in plant science · 2024Article
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Authors and funding
8 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Rice is the staple food for more than half of the world's population. Iron toxicity limits rice production in several regions of the world. Breeding Fe-tolerant rice varieties is an excellent approach to address the problem of Fe toxicity. Rice responds differently to Fe toxicity at different stages. Most QTLs associated with Fe toxicity have been identified at the seedling stage, and there are very few studies on Fe toxicity across different stages. In this study, we investigated agro-morphological and physiological traits in response to Fe toxicity in a rice diversity panel at seedling, vegetative, and reproductive stages and applied GWAS to identify QTLs/genes associated with these traits. Among agro-morphological and physiological parameters, leaf bronzing score (LBS) is a key parameter for determining Fe toxicity response at all stages, and SDW could be a promising parameter at the seedling stage. A total of 29 QTLs were identified on ten chromosomes. Among them, three colocalized QTLs were identified on chromosome 5, 6, and 11. Several QTLs identified in this study overlapped with previously identified QTLs from bi-parental QTL mapping and association mapping. Two genes previously reported to be associated with iron homeostasis were identified, i.e., LOC_Os01g72370 (
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