A multi‐omics analysis reveals candidate genes for Cd tolerance in Paspalum vaginatum
Abstract Cadmium (Cd) pollution in the farmland has become a serious global issue threatening both human health and plant biomass production. Seashore paspalum (Paspalum vaginatum Sw.), a halophytic turfgrass, has been recognized as a Cd-tolerant species. However, the underlying genetic basis of nat...
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| Format: | Article |
| Language: | English |
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BMC
2025-04-01
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| Series: | BMC Plant Biology |
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| Online Access: | https://doi.org/10.1186/s12870-025-06478-x |
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| author | Xu Hu Ling Pan Chunchan Fu Qing Zhu Jiangshan Hao Xiaochun Wang Mohsin Nawaz Jia Qu Jinlin Zhang Yu Chen Junqin Zong Li Liao Minqiang Tang Zhiyong Wang |
| author_facet | Xu Hu Ling Pan Chunchan Fu Qing Zhu Jiangshan Hao Xiaochun Wang Mohsin Nawaz Jia Qu Jinlin Zhang Yu Chen Junqin Zong Li Liao Minqiang Tang Zhiyong Wang |
| author_sort | Xu Hu |
| collection | DOAJ |
| description | Abstract Cadmium (Cd) pollution in the farmland has become a serious global issue threatening both human health and plant biomass production. Seashore paspalum (Paspalum vaginatum Sw.), a halophytic turfgrass, has been recognized as a Cd-tolerant species. However, the underlying genetic basis of natural variations in Cd tolerance still remains unknown. This study is possibly the first to apply genome-wide association studies (GWAS) and selective sweep analysis to identify potential Cd stress-responsive genes in P. vaginatum. We identified a total of 89 candidate genes and 656 putative selective sweeps regions. Based on the correlation analysis of differentially expressed metabolites (DEMs) and differentially expressed genes (DEGs), we identified the 55 key genes associated with metabolic changes induced by Cd treatment as the Cd tolerance-related genes. These genes showed significantly higher expression in Cd-tolerant accessions as compared to Cd-susceptive accessions. Therefore, our multi-omics study revealed the molecular and genetic basis of Cd tolerance, which may help develop Cd tolerant crop varieties. |
| format | Article |
| id | doaj-art-2545e567a2b1445b83b2d49d70c58ea3 |
| institution | OA Journals |
| issn | 1471-2229 |
| language | English |
| publishDate | 2025-04-01 |
| publisher | BMC |
| record_format | Article |
| series | BMC Plant Biology |
| spelling | doaj-art-2545e567a2b1445b83b2d49d70c58ea32025-08-20T02:17:13ZengBMCBMC Plant Biology1471-22292025-04-0125111410.1186/s12870-025-06478-xA multi‐omics analysis reveals candidate genes for Cd tolerance in Paspalum vaginatumXu Hu0Ling Pan1Chunchan Fu2Qing Zhu3Jiangshan Hao4Xiaochun Wang5Mohsin Nawaz6Jia Qu7Jinlin Zhang8Yu Chen9Junqin Zong10Li Liao11Minqiang Tang12Zhiyong Wang13College of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication), Hainan UniversityCollege of Animal Science and Technology, Yangzhou UniversityCollege of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication), Hainan UniversityCollege of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication), Hainan UniversitySchool of Agriculture, Jinhua PolytechnicCollege of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication), Hainan UniversityInstitute of Environment and Ecology, School of the Environment and Safety Engineering, Jiangsu UniversityCollege of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication), Hainan UniversityState Key Laboratory of Herbage Improvement and Grassland Agro-Ecosystem, College of Pastoral Agriculture Science and Technology, Lanzhou UniversityCollege of Agro-Grassland Science, Nanjing Agricultural UniversityInstitute of Botany, Jiangsu Province and Chinese Academy of SciencesCollege of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication), Hainan UniversityCollege of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication), Hainan UniversityCollege of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication), Hainan UniversityAbstract Cadmium (Cd) pollution in the farmland has become a serious global issue threatening both human health and plant biomass production. Seashore paspalum (Paspalum vaginatum Sw.), a halophytic turfgrass, has been recognized as a Cd-tolerant species. However, the underlying genetic basis of natural variations in Cd tolerance still remains unknown. This study is possibly the first to apply genome-wide association studies (GWAS) and selective sweep analysis to identify potential Cd stress-responsive genes in P. vaginatum. We identified a total of 89 candidate genes and 656 putative selective sweeps regions. Based on the correlation analysis of differentially expressed metabolites (DEMs) and differentially expressed genes (DEGs), we identified the 55 key genes associated with metabolic changes induced by Cd treatment as the Cd tolerance-related genes. These genes showed significantly higher expression in Cd-tolerant accessions as compared to Cd-susceptive accessions. Therefore, our multi-omics study revealed the molecular and genetic basis of Cd tolerance, which may help develop Cd tolerant crop varieties.https://doi.org/10.1186/s12870-025-06478-xPaspalum vaginatumGenome-wide association studyTranscriptomeMetabolomeCadmium stress responsive |
| spellingShingle | Xu Hu Ling Pan Chunchan Fu Qing Zhu Jiangshan Hao Xiaochun Wang Mohsin Nawaz Jia Qu Jinlin Zhang Yu Chen Junqin Zong Li Liao Minqiang Tang Zhiyong Wang A multi‐omics analysis reveals candidate genes for Cd tolerance in Paspalum vaginatum BMC Plant Biology Paspalum vaginatum Genome-wide association study Transcriptome Metabolome Cadmium stress responsive |
| title | A multi‐omics analysis reveals candidate genes for Cd tolerance in Paspalum vaginatum |
| title_full | A multi‐omics analysis reveals candidate genes for Cd tolerance in Paspalum vaginatum |
| title_fullStr | A multi‐omics analysis reveals candidate genes for Cd tolerance in Paspalum vaginatum |
| title_full_unstemmed | A multi‐omics analysis reveals candidate genes for Cd tolerance in Paspalum vaginatum |
| title_short | A multi‐omics analysis reveals candidate genes for Cd tolerance in Paspalum vaginatum |
| title_sort | multi omics analysis reveals candidate genes for cd tolerance in paspalum vaginatum |
| topic | Paspalum vaginatum Genome-wide association study Transcriptome Metabolome Cadmium stress responsive |
| url | https://doi.org/10.1186/s12870-025-06478-x |
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