ArticleRice (New York, N.Y.)2017
Mapping QTLs using a novel source of salinity tolerance from Hasawi and their interaction with environments in rice.
Article in Rice (New York, N.Y.), 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers, 2 of them syntheses that pooled it.
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27 citing papers in PubMed, 2 syntheses or guidelines pooled it.
- Meta-analysis of identified genomic regions and candidate genes underlying salinity tolerance in rice (Oryza sativa L.).Scientific reports · 2024Pooled it
- Multi-omics revolution to promote plant breeding efficiency.Frontiers in plant science · 2022Pooled it
- Multi-omics insights into salinity tolerance in African bermudagrass.The plant genome · 2026Article
- QTLs and Genes for Salt Stress Tolerance: A Journey from Seed to Seed Continued.Plants (Basel, Switzerland) · 2024Review
- QTL-Seq identified a genomic region on chromosome 1 for soil-salinity tolerance in FFrontiers in plant science · 2024Article
- Genomic prediction and QTL analysis for grain Zn content and yield inJournal of plant biochemistry and biotechnology · 2024Article
- Molecular Mapping to Discover Reliable Salinity-Resilient QTLs from the Novel Landrace Akundi in Two Bi-Parental Populations Using SNP-Based Genome-Wide Analysis in Rice.International journal of molecular sciences · 2023Article
- Genome-Wide Association Study Identified Candidate Genes for Alkalinity Tolerance in Rice.Plants (Basel, Switzerland) · 2023Article
- Mapping of QTLs for morphophysiological and yield traits under water-deficit stress and well-watered conditions in maize.Frontiers in plant science · 2023Article
- Identification of a Saltol-Independent Salinity Tolerance Polymorphism in Rice Mekong Delta Landraces and Characterization of a Promising Line, Doc Phung.Rice (New York, N.Y.) · 2022Article
- Mapping QTLs for Reproductive Stage Salinity Tolerance in Rice Using a Cross between Hasawi and BRRI dhan28.International journal of molecular sciences · 2022Article
- A Review of Integrative Omic Approaches for Understanding Rice Salt Response Mechanisms.Plants (Basel, Switzerland) · 2022Review
- Genetic Mapping to Detect Stringent QTLs Using 1k-RiCA SNP Genotyping Platform from the New Landrace Associated with Salt Tolerance at the Seedling Stage in Rice.Plants (Basel, Switzerland) · 2022Article
- Physiological and molecular implications of multiple abiotic stresses on yield and quality of rice.Frontiers in plant science · 2022Review
- High-resolution quantitative trait locus mapping for rice grain quality traits using genotyping by sequencing.Frontiers in plant science · 2022Article
- Molecular tools, potential frontiers for enhancing salinity tolerance in rice: A critical review and future prospective.Frontiers in plant science · 2022Review
- QTL mapping under salt stress in rice using a Kalarata-Azucena population.Euphytica: Netherlands journal of plant breeding · 2022Article
- Genetic, Epigenetic, Genomic and Microbial Approaches to Enhance Salt Tolerance of Plants: A Comprehensive Review.Biology · 2021Review
- Salt tolerance in rice: seedling and reproductive stage QTL mapping come of age.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2021Review
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Abstract
backgroundSalinity is one of the most severe and widespread abiotic stresses that affect rice production. The identification of major-effect quantitative trait loci (QTLs) for traits related to salinity tolerance and understanding of QTL × environment interactions (QEIs) can help in more precise and faster development of salinity-tolerant rice varieties through marker-assisted breeding. Recombinant inbred lines (RILs) derived from IR29/Hasawi (a novel source of salinity) were screened for salinity tolerance in the IRRI phytotron in the Philippines (E1) and in two other diverse environments in Senegal (E2) and Tanzania (E3). QTLs were mapped for traits related to salinity tolerance at the seedling stage.
resultsThe RILs were genotyped using 194 polymorphic SNPs (single nucleotide polymorphisms). After removing segregation distortion markers (SDM), a total of 145 and 135 SNPs were used to construct a genetic linkage map with a length of 1655 and 1662 cM, with an average marker density of 11.4 cM in E1 and 12.3 cM in E2 and E3, respectively. A total of 34 QTLs were identified on 10 chromosomes for five traits using ICIM-ADD and segregation distortion locus (SDL) mapping (IM-ADD) under salinity stress across environments. Eight major genomic regions on chromosome 1 between 170 and 175 cM (qSES1.3, qSES1.4, qSL1.2, qSL1.3, qRL1.1, qRL1.2, qFWsht1.2, qDWsht1.2), chromosome 4 at 32 cM (qSES4.1, qFWsht4.2, qDWsht4.2), chromosome 6 at 115 cM (qFWsht6.1, qDWsht6.1), chromosome 8 at 105 cM (qFWsht8.1, qDWsht8.1), and chromosome 12 at 78 cM (qFWsht12.1, qDWsht12.1) have co-localized QTLs for the multiple traits that might be governing seedling stage salinity tolerance through multiple traits in different phenotyping environments, thus suggesting these as hot spots for tolerance of salinity. Forty-nine and 30 significant pair-wise epistatic interactions were detected between QTL-linked and QTL-unlinked regions using single-environment and multi-environment analyses.
conclusionsThe identification of genomic regions for salinity tolerance in the RILs showed that Hasawi possesses alleles that are novel for salinity tolerance. The common regions for the multiple QTLs across environments as co-localized regions on chromosomes 1, 4, 6, 8, and 12 could be due to linkage or pleiotropic effect, which might be helpful for multiple QTL introgression for marker-assisted breeding programs to improve the salinity tolerance of adaptive and popular but otherwise salinity-sensitive rice varieties.
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