Figure 1
From: Current approaches to gene regulatory network modelling
![Figure 1](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2F1471-2105-8-S6-S9/MediaObjects/12859_2007_Article_1931_Fig1_HTML.jpg)
Representation of a simple, fictional transcription factor network. All genes shown encode transcription factors that control the activity of genes encoding transcription factors.