Correction: Discovering Functional Modules across Diverse Maize Transcriptomes Using COB, the Co-Expression Browser

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Fig 4. GO enrichment analysis of co-expression clusters.

Gene clusters identified in Figure 2 were examined for enrichment of Gene Ontology terms. (A) Developmental cluster A, which exhibited a strong signal for expression in the anthers (see Figure 3), is enriched for GO terms related to sexual reproduction, response to desiccation, and cell wall biogenesis/modification. (B) Developmental cluster F, highlighted by patterns of expression in the leaves, is notably enriched for terms annotated for photosynthesis, response to temperature stimulus, and chlorophyll metabolism. (C) Genotype cluster M exhibits drastic under-expression in the P39 genotype, a sweet corn line, and shows significant GO enrichment in terms related to UDP-glucose as well as nucleotide-sugar metabolism and lipid transport