Fig. 4From: Comparative analysis of the root transcriptomes of cultivated sweetpotato (Ipomoea batatas [L.] Lam) and its wild ancestor (Ipomoea trifida [Kunth] G. Don)Functional classification of transcripts using Gene Ontology. I. batatas (Ib) transcripts are indicated in blue, and I. trifida (It) transcripts are indicated in red. The non-redundant transcripts were subjected to functional classification using GOSlimBack to article page