Back to article: Specific mutations in the permease domain of septal protein SepJ differentially affect functions related to multicellularity in the filamentous cyanobacterium Anabaena

TABLE 2. Summary of phenotypic characteristics of the engineered sepJ mu-tants.

a Data from Fig. 3: +, normal filament length; [+], intermediate filament length; -, extensive filament fragmentation.

b Diazotrophic performance summarizes diazotrophic growth (Fox phenotype, from Fig. 5), nitro-genase activity, and production of heterocysts (from Table 1). +, positive; [+], weak positive; -, negative.

c Calcein transfer is summarized as: +++, normal (not significantly different from the CSFR11 control); (++), defective (61 to 69 % of the CSFR11 control; note that the difference between strains CSFR21 and CSFR11 could not be defined as statistically significant); (+), defective (37 to 47 % of the CSFR11 control; 32 % in the case of CSVM90) (see text and Table 1 for details).

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