ArticleRice (New York, N.Y.)2019
Mapping of genomic regions associated with arsenic toxicity stress in a backcross breeding populations of rice (Oryza sativa L.).
Article in Rice (New York, N.Y.), 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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Who cites it
18 citing papers in PubMed, 60 citations in OpenAlex.
- Rice Adaptation to Abiotic Stresses Caused by Soil Inorganic Elements.International journal of molecular sciences · 2025Review
- Agronomic solutions to decrease arsenic concentrations in rice.Environmental geochemistry and health · 2025Review
- Multi-Experiment and Multi-Locus Genome-Wide Association Mapping for Grain Arsenic in Rice Population.Plant direct · 2025Article
- Article
- Omics advancements towards exploring arsenic toxicity and tolerance in plants: a review.Planta · 2025Review
- Recent Advances in Transcriptome Analysis Within the Realm of Low Arsenic Rice Breeding.Plants (Basel, Switzerland) · 2025Review
- Control strategies for rice "straighthead" through physicochemical and biological methods on arsenic transformation and transportation.Frontiers in plant science · 2025Review
- Assessment of rice genotypes through the lens of morpho-physiological and biochemical traits in response to arsenic stress.Heliyon · 2024Article
- Review
- Review
- Regulatory Mechanisms Underlying Arsenic Uptake, Transport, and Detoxification in Rice.International journal of molecular sciences · 2023Review
- QTL and Candidate Genes: Techniques and Advancement in Abiotic Stress Resistance Breeding of Major Cereals.International journal of molecular sciences · 2022Review
- Ethylene Suppresses Abscisic Acid, Modulates Antioxidant System to Counteract Arsenic-Inhibited Photosynthetic Performance in the Presence of Selenium in Mustard.Frontiers in plant science · 2022Article
- Relationships Among Arsenic-Related Traits, Including Rice Grain Arsenic Concentration and Straighthead Resistance, as Revealed by Genome-Wide Association.Frontiers in genetics · 2021Article
- Advances in "Omics" Approaches for Improving Toxic Metals/Metalloids Tolerance in Plants.Frontiers in plant science · 2021Review
- Identification of Promising Genotypes Through Systematic Evaluation for Arsenic Tolerance and Exclusion in Rice (Frontiers in plant science · 2021Article
- Grain Inorganic Arsenic Content in Rice Managed Through Targeted Introgressions and Irrigation Management.Frontiers in plant science · 2020Article
- Identification of main-effect quantitative trait loci (QTLs) for low-temperature stress tolerance germination- and early seedling vigor-related traits in rice (Molecular breeding : new strategies in plant improvement · 2020Article
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Authors and funding
10 authors at 3 institutions in 3 countries.
Funding
Abstract
backgroundArsenic (As) is an unwanted toxic mineral that threatens the major rice-growing regions in the world, especially in South Asia. Rice production in Bangladesh and India depends on As-contaminated groundwater sources for irrigating paddy fields, resulting in elevated amounts of As in the topsoil. Arsenic accumulating in rice plants has a significant negative effect on human and animal health. Here, we present a quantitative trait locus (QTL) mapping study to identify candidate genes conferring As toxicity tolerance and accumulation in rice (Oryza sativa L.) seedlings. An early backcross breeding population consisting of 194 lines derived from a cross between WTR1 (indica) and Hao-an-nong (japonica) was grown in hydroponics for 25 days, from the seventh day exposed to an environmentally relevant concentration of 10 ppm As.
resultsArsenic toxicity leads to significantly negative plant responses, including reduced biomass, stunted plant growth, reduced leaf chlorophyll content, and increased shoot As concentration ranging from 9 to 20 mg kg
conclusionsOur study provides insight into the genetic basis of As tolerance and uptake in the early seedling stage of rice. Comparing our findings with the previously reported QTLs for As toxicity stress in rice, we identified some novel and co-localized QTLs associated with As stress. Also, the mapped QTLs harbor gene models of known function associated with stress responses, metal homeostasis, and transporter activity in rice. Overall, our findings will assist breeders with initial marker information to develop suitable varieties for As-contaminated ecosystems.
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