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Fig. 4 | BMC Plant Biology

Fig. 4

From: The evolution of gene regulatory networks controlling Arabidopsis thaliana L. trichome development

Fig. 4

Principal component analysis of quantitative composition of the gene network corresponds to morphogenesis complexity. Given the percentage of variance corresponding to each component (a) and scatter plots of 1–2 (B) and 3–4 (C) components. Dots represent species, labels according to Additional file 2. Morphogenesis complexity groups (b) as indicated. MC1 - Single cell plants without any tissues, MC2 - multicellular plants with some tissues. Epidermal outgrowths presented as rhizoid and in some cases papillae, MC3 - (Gymnosperms) multicellular plants with distinct tissues types. Epidermal tissues contain several cell types. They have a pattern of root hairs, MC4 - (Flowering plants) multicellular plants with distinct tissue types. Epidermal tissues contain several cell types. They have a pattern of root hairs and a wide range of trichome types

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