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High-density genetic map and genome-wide associaation studies of floral color traits in Phalaenopsis orchids

ABSTRACT: The F1 population of Phalaenopsis Intermedia, which established from the cross between P. equestris and P. aphrodite was applied to build a high-density genetic map based on SSRs and SNPs from GBS methodology, with the digestion of by Hinp1 I and Hae III. In addition, another GBS was performed with enzymes ApeK I and Hae II to increase the SNP number for the GWAS analysis. We identified 10 SNPs highly associated with floral aesthetic trait, and among them, 4 were associated with flower color related. Genes with function related to anthocyanin biosynthesis were identified as the candidate genes. In addition, the flowering time-related gene SOC1 may contribute to flower color regulation in our discovery.

ORGANISM(S): Phalaenopsis x intermedia

PROVIDER: GSE176215 | GEO | 2022/03/09

REPOSITORIES: GEO

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