Fine mapping of a major QTL on chromosome A05 conferring pod size in peanut
Pod size is a key agronomic trait that influences peanut yield greatly. However, our understanding of the mechanisms underlying pod size is limited. In this study, we employed a segregating population derived from a cross between the small-pod line ND_S and the large-pod line ND_L to map quantitativ...
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| Format: | Article |
| Language: | English |
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KeAi Communications Co., Ltd.
2024-12-01
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| Series: | Crop Journal |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S221451412400223X |
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| author | Kunkun Zhao Xufa Du Jingjing Zhang Yi Fan Qian Ma Yaoyao Li Zenghui Cao Di Cao Sasa Hu Ding Qiu Kai Zhao Fangping Gong Zhongfeng Li Rui Ren Lin Zhang Xingli Ma Xingguo Zhang Dongmei Yin |
| author_facet | Kunkun Zhao Xufa Du Jingjing Zhang Yi Fan Qian Ma Yaoyao Li Zenghui Cao Di Cao Sasa Hu Ding Qiu Kai Zhao Fangping Gong Zhongfeng Li Rui Ren Lin Zhang Xingli Ma Xingguo Zhang Dongmei Yin |
| author_sort | Kunkun Zhao |
| collection | DOAJ |
| description | Pod size is a key agronomic trait that influences peanut yield greatly. However, our understanding of the mechanisms underlying pod size is limited. In this study, we employed a segregating population derived from a cross between the small-pod line ND_S and the large-pod line ND_L to map quantitative trait loci (QTL) associated with pod size. Initial mapping performed using bulk segregant analysis revealed a candidate interval on chromosome A05 referred to as qPSW05. We refined this interval to a 256.9 kb genomic region using newly developed molecular markers. Through sequence and expression analyses, we identified the candidate gene AhXE45GC, which encodes an AN1 zinc finger protein. We discovered a 33-bp insertion in the intron of AhXE45GC in ND_S. Accessions that lack this insertion, such as ND_L, had significantly larger pods than those with the insertion, including ND_S. To facilitate marker-assisted selection for peanut pod size, we developed a molecular marker associated with this polymorphism. This marker could provide a valuable genetic resource for breeding high-yielding peanut varieties. |
| format | Article |
| id | doaj-art-ed6afa55c95b49c38535123e062aa131 |
| institution | OA Journals |
| issn | 2214-5141 |
| language | English |
| publishDate | 2024-12-01 |
| publisher | KeAi Communications Co., Ltd. |
| record_format | Article |
| series | Crop Journal |
| spelling | doaj-art-ed6afa55c95b49c38535123e062aa1312025-08-20T02:39:04ZengKeAi Communications Co., Ltd.Crop Journal2214-51412024-12-011261745175310.1016/j.cj.2024.10.009Fine mapping of a major QTL on chromosome A05 conferring pod size in peanutKunkun Zhao0Xufa Du1Jingjing Zhang2Yi Fan3Qian Ma4Yaoyao Li5Zenghui Cao6Di Cao7Sasa Hu8Ding Qiu9Kai Zhao10Fangping Gong11Zhongfeng Li12Rui Ren13Lin Zhang14Xingli Ma15Xingguo Zhang16Dongmei Yin17College of Agronomy & Peanut Functional Genome and Molecular Breeding Engineering, Henan Agricultural University, Zhengzhou 450000, Henan, ChinaCollege of Agronomy & Peanut Functional Genome and Molecular Breeding Engineering, Henan Agricultural University, Zhengzhou 450000, Henan, ChinaCollege of Agronomy & Peanut Functional Genome and Molecular Breeding Engineering, Henan Agricultural University, Zhengzhou 450000, Henan, ChinaCollege of Agronomy & Peanut Functional Genome and Molecular Breeding Engineering, Henan Agricultural University, Zhengzhou 450000, Henan, ChinaCollege of Agronomy & Peanut Functional Genome and Molecular Breeding Engineering, Henan Agricultural University, Zhengzhou 450000, Henan, ChinaCollege of Agronomy & Peanut Functional Genome and Molecular Breeding Engineering, Henan Agricultural University, Zhengzhou 450000, Henan, ChinaCollege of Agronomy & Peanut Functional Genome and Molecular Breeding Engineering, Henan Agricultural University, Zhengzhou 450000, Henan, ChinaCollege of Agronomy & Peanut Functional Genome and Molecular Breeding Engineering, Henan Agricultural University, Zhengzhou 450000, Henan, ChinaCollege of Agronomy & Peanut Functional Genome and Molecular Breeding Engineering, Henan Agricultural University, Zhengzhou 450000, Henan, ChinaCollege of Agronomy & Peanut Functional Genome and Molecular Breeding Engineering, Henan Agricultural University, Zhengzhou 450000, Henan, ChinaCollege of Agronomy & Peanut Functional Genome and Molecular Breeding Engineering, Henan Agricultural University, Zhengzhou 450000, Henan, ChinaCollege of Agronomy & Peanut Functional Genome and Molecular Breeding Engineering, Henan Agricultural University, Zhengzhou 450000, Henan, ChinaCollege of Agronomy & Peanut Functional Genome and Molecular Breeding Engineering, Henan Agricultural University, Zhengzhou 450000, Henan, ChinaCollege of Agronomy & Peanut Functional Genome and Molecular Breeding Engineering, Henan Agricultural University, Zhengzhou 450000, Henan, ChinaCollege of Agronomy & Peanut Functional Genome and Molecular Breeding Engineering, Henan Agricultural University, Zhengzhou 450000, Henan, ChinaCollege of Agronomy & Peanut Functional Genome and Molecular Breeding Engineering, Henan Agricultural University, Zhengzhou 450000, Henan, ChinaCollege of Agronomy & Peanut Functional Genome and Molecular Breeding Engineering, Henan Agricultural University, Zhengzhou 450000, Henan, ChinaCorresponding author.; College of Agronomy & Peanut Functional Genome and Molecular Breeding Engineering, Henan Agricultural University, Zhengzhou 450000, Henan, ChinaPod size is a key agronomic trait that influences peanut yield greatly. However, our understanding of the mechanisms underlying pod size is limited. In this study, we employed a segregating population derived from a cross between the small-pod line ND_S and the large-pod line ND_L to map quantitative trait loci (QTL) associated with pod size. Initial mapping performed using bulk segregant analysis revealed a candidate interval on chromosome A05 referred to as qPSW05. We refined this interval to a 256.9 kb genomic region using newly developed molecular markers. Through sequence and expression analyses, we identified the candidate gene AhXE45GC, which encodes an AN1 zinc finger protein. We discovered a 33-bp insertion in the intron of AhXE45GC in ND_S. Accessions that lack this insertion, such as ND_L, had significantly larger pods than those with the insertion, including ND_S. To facilitate marker-assisted selection for peanut pod size, we developed a molecular marker associated with this polymorphism. This marker could provide a valuable genetic resource for breeding high-yielding peanut varieties.http://www.sciencedirect.com/science/article/pii/S221451412400223XPeanutPod sizeBSA-seqZinc finger protein |
| spellingShingle | Kunkun Zhao Xufa Du Jingjing Zhang Yi Fan Qian Ma Yaoyao Li Zenghui Cao Di Cao Sasa Hu Ding Qiu Kai Zhao Fangping Gong Zhongfeng Li Rui Ren Lin Zhang Xingli Ma Xingguo Zhang Dongmei Yin Fine mapping of a major QTL on chromosome A05 conferring pod size in peanut Crop Journal Peanut Pod size BSA-seq Zinc finger protein |
| title | Fine mapping of a major QTL on chromosome A05 conferring pod size in peanut |
| title_full | Fine mapping of a major QTL on chromosome A05 conferring pod size in peanut |
| title_fullStr | Fine mapping of a major QTL on chromosome A05 conferring pod size in peanut |
| title_full_unstemmed | Fine mapping of a major QTL on chromosome A05 conferring pod size in peanut |
| title_short | Fine mapping of a major QTL on chromosome A05 conferring pod size in peanut |
| title_sort | fine mapping of a major qtl on chromosome a05 conferring pod size in peanut |
| topic | Peanut Pod size BSA-seq Zinc finger protein |
| url | http://www.sciencedirect.com/science/article/pii/S221451412400223X |
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