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Genetic effects and genotype × environment interactions govern seed oil content in Brassica napus L.

Overview of attention for article published in BMC Genomic Data, January 2017
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Title
Genetic effects and genotype × environment interactions govern seed oil content in Brassica napus L.
Published in
BMC Genomic Data, January 2017
DOI 10.1186/s12863-016-0468-0
Pubmed ID
Authors

Yanli Guo, Ping Si, Nan Wang, Jing Wen, Bin Yi, Chaozhi Ma, Jinxing Tu, Jitao Zou, Tingdong Fu, Jinxiong Shen

Abstract

As seed oil content (OC) is a key measure of rapeseed quality, better understanding the genetic basis of OC would greatly facilitate the breeding of high-oil cultivars. Here, we investigated the components of genetic effects and genotype × environment interactions (GE) that govern OC using a full diallel set of nine parents, which represented a wide range of the Chinese rapeseed cultivars and pure lines with various OCs. Our results from an embryo-cytoplasm-maternal (GoCGm) model for diploid seeds showed that OC was primarily determined by genetic effects (VG) and GE (VGE), which together accounted for 86.19% of the phenotypic variance (VP). GE (VGE) alone accounted for 51.68% of the total genetic variance, indicating the importance of GE interaction for OC. Furthermore, maternal variance explained 75.03% of the total genetic variance, embryo and cytoplasmic effects accounted for 21.02% and 3.95%, respectively. We also found that the OC of F1 seeds was mainly determined by maternal effect and slightly affected by xenia. Thus, the OC of rapeseed was simultaneously affected by various genetic components, including maternal, embryo, cytoplasm, xenia and GE effects. In addition, general combining ability (GCA), specific combining ability (SCA), and maternal variance had significant influence on OC. The lines H2 and H1 were good general combiners, suggesting that they would be the best parental candidates for OC improvement. Crosses H3 × M2 and H1 × M3 exhibited significant SCA, suggesting their potentials in hybrid development. Our study thoroughly investigated and reliably quantified various genetic factors associated with OC of rapeseed by using a full diallel and backcross and reciprocal backcross. This findings lay a foundation for future genetic studies of OC and provide guidance for breeding of high-oil rapeseed cultivars.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 33 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
United Kingdom 1 3%
Unknown 32 97%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 7 21%
Student > Master 5 15%
Student > Bachelor 3 9%
Researcher 3 9%
Student > Doctoral Student 1 3%
Other 4 12%
Unknown 10 30%
Readers by discipline Count As %
Agricultural and Biological Sciences 16 48%
Biochemistry, Genetics and Molecular Biology 2 6%
Nursing and Health Professions 2 6%
Psychology 1 3%
Unknown 12 36%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 19 September 2017.
All research outputs
#22,759,802
of 25,374,917 outputs
Outputs from BMC Genomic Data
#1,008
of 1,204 outputs
Outputs of similar age
#362,594
of 421,667 outputs
Outputs of similar age from BMC Genomic Data
#11
of 15 outputs
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