Your browser doesn't support javascript.
loading
The genetic basis of grain protein content in rice by genome-wide association analysis.
Chen, Pingli; Lou, Guangming; Wang, Yufu; Chen, Junxiao; Chen, Wengfeng; Fan, Zhilan; Liu, Qing; Sun, Bingrui; Mao, Xingxue; Yu, Hang; Jiang, Liqun; Zhang, Jing; Lv, Shuwei; Xing, Junlian; Pan, Dajian; Li, Chen; He, Yuqing.
Afiliación
  • Chen P; National Key Laboratory of Crop Genetic Improvement and National Center of Plant Gene Research, Huazhong Agricultural University, Wuhan, 430070 China.
  • Lou G; Rice Research Institute, Guangdong Academy of Agricultural Sciences, Guangzhou, 510640 China.
  • Wang Y; Guangdong Key Laboratory of New Technology in Rice Breeding, Guangzhou, 510640 China.
  • Chen J; Guangdong Rice Engineering Laboratory, Guangzhou, 510640 China.
  • Chen W; Key Laboratory of Genetics and Breeding of High Quality Rice in Southern China (Co-Construction By Ministry and Province), Ministry of Agriculture and Rural Affairs, Guangzhou, 510640 China.
  • Fan Z; National Key Laboratory of Crop Genetic Improvement and National Center of Plant Gene Research, Huazhong Agricultural University, Wuhan, 430070 China.
  • Liu Q; National Key Laboratory of Crop Genetic Improvement and National Center of Plant Gene Research, Huazhong Agricultural University, Wuhan, 430070 China.
  • Sun B; Hubei Key Laboratory of Food Crop Germplasm and Genetic Improvement, Food Crops Institute, Hubei Academy of Agricultural Sciences, Wuhan, 430070 China.
  • Mao X; Rice Research Institute, Guangdong Academy of Agricultural Sciences, Guangzhou, 510640 China.
  • Yu H; Guangdong Key Laboratory of New Technology in Rice Breeding, Guangzhou, 510640 China.
  • Jiang L; Guangdong Rice Engineering Laboratory, Guangzhou, 510640 China.
  • Zhang J; Key Laboratory of Genetics and Breeding of High Quality Rice in Southern China (Co-Construction By Ministry and Province), Ministry of Agriculture and Rural Affairs, Guangzhou, 510640 China.
  • Lv S; Rice Research Institute, Guangdong Academy of Agricultural Sciences, Guangzhou, 510640 China.
  • Xing J; Guangdong Key Laboratory of New Technology in Rice Breeding, Guangzhou, 510640 China.
  • Pan D; Guangdong Rice Engineering Laboratory, Guangzhou, 510640 China.
  • Li C; Key Laboratory of Genetics and Breeding of High Quality Rice in Southern China (Co-Construction By Ministry and Province), Ministry of Agriculture and Rural Affairs, Guangzhou, 510640 China.
  • He Y; Rice Research Institute, Guangdong Academy of Agricultural Sciences, Guangzhou, 510640 China.
Mol Breed ; 43(1): 1, 2023 Jan.
Article en En | MEDLINE | ID: mdl-37312871
The grain protein content (GPC) of rice is an important factor that determines its nutritional, cooking, and eating qualities. To date, although a number of genes affecting GPC have been identified in rice, most of them have been cloned using mutants, and only a few genes have been cloned in the natural population. In this study, 135 significant loci were detected in a genome-wide association study (GWAS), many of which could be repeatedly detected across different years and populations. Four minor quantitative trait loci affecting rice GPC at four significant association loci, qPC2.1, qPC7.1, qPC7.2, and qPC1.1, were further identified and validated in near-isogenic line F2 populations (NIL-F2), explaining 9.82, 43.4, 29.2, and 13.6% of the phenotypic variation, respectively. The role of the associated flo5 was evaluated with knockdown mutants, which exhibited both increased grain chalkiness rate and GPC. Three candidate genes in a significant association locus region were analyzed using haplotype and expression profiles. The findings of this study will help elucidate the genetic regulatory network of protein synthesis and accumulation in rice through cloning of GPC genes and provide new insights on dominant alleles for marker-assisted selection in the genetic improvement of rice grain quality. Supplementary Information: The online version contains supplementary material available at 10.1007/s11032-022-01347-z.
Palabras clave
Texto completo
Añadir a Mi BVS
Imprimir
XML
PubMed Links
Buscar en Google

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Tipo de estudio: Prognostic_studies / Risk_factors_studies Idioma: En Revista: Mol Breed Año: 2023 Tipo del documento: Article Pais de publicación: Países Bajos
Texto completo
Añadir a Mi BVS
Imprimir
XML
PubMed Links
Buscar en Google

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Tipo de estudio: Prognostic_studies / Risk_factors_studies Idioma: En Revista: Mol Breed Año: 2023 Tipo del documento: Article Pais de publicación: Países Bajos