ArticleRice (New York, N.Y.)2022
Mapping of Candidate Genes in Response to Low Nitrogen in Rice Seedlings.
Article in Rice (New York, N.Y.), 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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Who cites it
9 citing papers in PubMed.
- Mapping of low-nitrogen tolerance genes in Japonica rice at seedling stage by genome-wide association study.Scientific reports · 2025Article
- Joint multi-omics analysis reveals the response mechanism in rapeseed (Brassica Rapa L.) under low nitrogen stress.Functional & integrative genomics · 2025Article
- Identification of Advantaged Genes for Low-Nitrogen-Tolerance-Related Traits in Rice Using a Genome-Wide Association Study.International journal of molecular sciences · 2025Article
- OsLB2.2 negatively regulates rice disease resistance at seedling stage in rice.Frontiers in plant science · 2025Article
- Article
- GWAS combined with linkage analysis reveals major QTLs and candidate genes of salt tolerance inFrontiers in plant science · 2024Article
- Genome-Wide Association Study on Seedling Phenotypic Traits of Wheat under Different Nitrogen Conditions.Plants (Basel, Switzerland) · 2023Article
- Mechanisms governing the impact of nitrogen stress on the formation of secondary metabolites in Artemisia argyi leaves.Scientific reports · 2023Article
- Advances in the Research on Plant WRKY Transcription Factors Responsive to External Stresses.Current issues in molecular biology · 2023Review
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Authors and funding
13 authors.
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Abstract
Nitrogen is not only a macronutrient essential for crop growth and development, but also one of the most critical nutrients in farmland ecosystem. Insufficient nitrogen supply will lead to crop yield reduction, while excessive application of nitrogen fertilizer will cause agricultural and eco-environment damage. Therefore, mining low-nitrogen tolerant rice genes and improving nitrogen use efficiency are of great significance to the sustainable development of agriculture. This study was conducted by Genome-wide association study on a basis of two root morphological traits (root length and root diameter) and 788,396 SNPs of a natural population of 295 rice varieties. The transcriptome of low-nitrogen tolerant variety (Longjing 31) and low-nitrogen sensitive variety (Songjing 10) were sequenced between low and high nitrogen treatments. A total of 35 QTLs containing 493 genes were mapped. 3085 differential expressed genes were identified. Among these 493 genes, 174 genes showed different haplotype patterns. There were significant phenotype differences among different haplotypes of 58 genes with haplotype differences. These 58 genes were hypothesized as candidate genes for low nitrogen tolerance related to root morphology. Finally, six genes (Os07g0471300, Os11g0230400, Os11g0229300, Os11g0229400, Os11g0618300 and Os11g0229333) which expressed differentially in Longjing 31 were defined as more valuable candidate genes for low-nitrogen tolerance. The results revealed the response characteristics of rice to low-nitrogen, and provided insights into regulatory mechanisms of rice to nitrogen deficiency.
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