Noise decomposition algorithm and propagation mechanism in feed-forward gene transcriptional regulatory loop
Gui Rong1, Li Zhi-Hong1, Hu Li-Jun1, Cheng Guang-Hui2, Liu Quan1, Xiong Juan1, Jia Ya3, Yi Ming1, 4, †
       

(color online) Twelve different types of feed-forward loops, including coherent feed-forward loops with AND-gate logic, coherent feed-forward loops with OR-gate logic, and incoherent feed-forward loops with AND-gate logic.