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Fig. 3 | BMC Plant Biology

Fig. 3

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

Fig. 3

Estimated time of appearance of the function of each of the nodes of the network of epidermal morphogenesis A. talyana. The color scheme is given below. Clusters are distinguished according to functional similarity of nodes: 1 - Nodes related to hormonal signal transduction. This cluster contains hormone-responsive regulators and regulators responsible for the perception of the hormonal signal. 2 - A complex of MBW trichome initiation components. This cluster contains transcription factors and factors responsible for initiating cell development along the path of trichomes. 3 - A complex of MBW trichome initiation inhibitors. This cluster contains the R3MYB genes and is responsible for the inhibition of the initiator complex (see the introduction for details). 4 - Nodes related to the cytoskeleton structure and the functioning dynamics. This cluster contains genes involved and the regulating assembly of actin and myosin filaments in the cell. 5 - Nodes related to cell cycle dynamics. This cluster contains genes regulating the cell cycle, in particular G1/S transition of the mitotic cell cycle; the endomitotic cell cycle; and regulation of DNA endoreduplication. 6 - Specific trichome differentiation genes. This cluster contains genes for which participation in the development of trichomes has been shown, but their role is currently not fully understood

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