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Fig. 5 | BMC Genetics

Fig. 5

From: Exploring the genetic basis of gene transcript abundance and metabolite levels in loblolly pine (Pinus taeda L.) using association mapping and network construction

Fig. 5

Gene networks comprised of SNPs and their associated drought-related gene expression and metabolite level phenotypes. Blue dot nodes represent SNPs. Details of the SNPs and the genes containing them are presented in Table 3. The blue dot nodes 13, 20, 57, 70, and 78 with a larger size represent the SNPs that reside in transcription factor (TF) genes. The yellow dot nodes represent genes, for which expression level was used as a phenotype trait in the SNP association analysis. The pink dot nodes represent metabolites, for which concentration level was used as a phenotype trait in the SNP association analysis. The grey and red edges represent SNP-gene-expression and SNP-metabolite-level associations, respectively. The purple edges represent SNP-SNP interactions that significantly impact the phenotypes. Expressed genes in the network include drought signaling genes (ABI1, NCED, and RPK1), drought-responsive TF genes (NAC1, RAP2.1, RAP2.4, and ATAF-1), late embryogenesis abundant protein genes (PtEMB3–4), phenylpropanoid pathway gene (ANR)

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