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Fig. 10 | Genome Biology

Fig. 10

From: Molecular evolutionary trends and feeding ecology diversification in the Hemiptera, anchored by the milkweed bug genome

Fig. 10

Comparison of the urea cycle of Oncopeltus with 26 other insect species. a Detailed diagram of the urea cycle (adapted from KEGG). b Group of 7 species, including Oncopeltus, for which Arg degradation via arginase (3.5.3.1), but not synthesis, is possible. c Group of 3 species for which neither the degradation nor synthesis of arginine via the urea cycle is possible (the 3 other hemipterans in this analysis). d Group of 17 species sharing a complete (or almost complete) urea cycle. Hemiptera are identified in red text, and the milkweed-feeding monarch butterfly is in blue text. Enzyme names corresponding to EC numbers: 1.5.1.2 = pyrroline-5-carboxylate reductase, 1.14.13.39 = nitric-oxide synthase, 2.1.3.3 = ornithine carbamoyltransferase, 2.6.1.13 = ornithine aminotransferase, 3.5.3.1 = arginase, 4.3.2.1 = argininosuccinate lyase, 6.3.4.5 = argininosuccinate synthase. Analyses are based on OGS v1.1

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