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. 2005 Apr 5;102(16):5744–5748. doi: 10.1073/pnas.0501782102

Fig. 3.

Fig. 3.

The effect of expression of ccbP in patS– and the wild-type strain carrying pRL25C-hetR. (A) patS– formed MCH in the absence of combined nitrogen. (B) patS– with pPpetE-ccbP did not form heterocysts in the absence of combined nitrogen when induced with copper. (C) The wild type with pRL25C-hetR has MCH in the absence of combined nitrogen. (D) The MCH phenotype shown in C was suppressed when the strain also carried pPpetE-ccbP and induced with copper. Arrows indicate the positions of heterocysts. (Bar, 10 μm.)