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. 2012 Jul 15;23(14):2692–2701. doi: 10.1091/mbc.E12-02-0094

FIGURE 7:

FIGURE 7:

Models of CO2 mediated morphogenesis in C. albicans. The unidentified pathway represents the major pathway involved in CO2-induced responses. The cAMP signaling and the unidentified pathway converge on the key regulator Flo8 in the regulation of white-to-opaque switching, whereas the two pathways converge on the Flo8–Efg1 complex in the regulation of filamentous growth. HSG, hyphal-specific genes; OSG, opaque-specific genes. (A) A model of CO2-induced filamentation. (B) A model of CO2-induced white-to-opaque switching. Wor1 contains a conserved potential PKA phosphorylation site and has been proven to function downstream of the cAMP pathway.