A novel Synthetic phenotype association study approach reveals the landscape of association for genomic variants and phenotypes.
A novel Synthetic phenotype association study approach reveals the landscape of association for genomic variants and phenotypes.
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DOI:
10.1016/j.jare.2022.04.004
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发表时间:
2022-12
影响因子:
10.7
通讯作者:
Bilyeu, Kristin D.
中科院分区:
文献类型:
--
作者:
Skrabisova, Maria;Dietz, Nicholas;Zeng, Shuai;Chan, Yen On;Wang, Juexin;Liu, Yang;Biova, Jana;Joshi, Trupti;Bilyeu, Kristin D.
This study proposes additional post-GWAS evaluation criteria. Accuracy serves as a measure of direct correspondence between variant positions and phenotypes. Every genomic variant position can be used as a Synthetic phenotype in GWAS. SPAS reveals the landscape of association for genomic variants. Synthetic phenotype leverages resequenced data set information. Genome-Wide Association Studies (GWAS) identify tagging variants in the genome that are statistically associated with the phenotype because of their linkage disequilibrium (LD) relationship with the causative mutation (CM). When both low-density genotyped accession panels with phenotypes and resequenced data accession panels are available, tagging variants can assist with post-GWAS challenges in CM discovery. Our objective was to identify additional GWAS evaluation criteria to assess correspondence between genomic variants and phenotypes, as well as enable deeper analysis of the localized landscape of association. We used genomic variant positions as Synthetic phenotypes in GWAS that we named “Synthetic phenotype association study” (SPAS). The extreme case of SPAS is what we call an “Inverse GWAS” where we used CM positions of cloned soybean genes. We developed and validated the Accuracy concept as a measure of the correspondence between variant positions and phenotypes. The SPAS approach demonstrated that the genotype status of an associated variant used as a Synthetic phenotype enabled us to explore the relationships between tagging variants and CMs, and further, that utilizing CMs as Synthetic phenotypes in Inverse GWAS illuminated the landscape of association. We implemented the Accuracy calculation for a curated accession panel to an online Accuracy calculation tool (AccuTool) as a resource for gene identification in soybean. We demonstrated our concepts on three examples of soybean cloned genes. As a result of our findings, we devised an enhanced “GWAS to Genes” analysis (Synthetic phenotype to CM strategy, SP2CM). Using SP2CM, we identified a CM for a novel gene. The SP2CM strategy utilizing Synthetic phenotypes and the Accuracy calculation of correspondence provides crucial information to assist researchers in CM discovery. The impact of this work is a more effective evaluation of landscapes of GWAS associations.
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影响因子:
5.3
作者:
Gillman JD;Tetlow A;Lee JD;Shannon JG;Bilyeu K
通讯作者:
Bilyeu K
影响因子:
3.7
作者:
Ferreira Filho, Diogenes;de Sousa Bueno Filho, Julio Silvio;Conceicao Meirelles, Sarah Laguna
通讯作者:
Conceicao Meirelles, Sarah Laguna
影响因子:
30.8
作者:
Lu, Sijia;Dong, Lidong;Kong, Fanjiang
通讯作者:
Kong, Fanjiang
影响因子:
16.6
作者:
Dong, Yang;Yang, Xia;Wang, Yin-Zheng
通讯作者:
Wang, Yin-Zheng
影响因子:
5.8
作者:
Bradbury, Peter J.;Zhang, Zhiwu;Buckler, Edward S.
通讯作者:
Buckler, Edward S.