Table 1.

Summary of Characteristics of Corynebacteria




C. efficiens

C. glutamicum

C. diphtheriae
Upper temperature limit for growth (°C) 45 40
Glutamate production at 32°C (%)a 80 100
Glutamate production at 37°C (%) 78 40
Genome size (bp) 3,147,090 3,309,401 2,488,635
GC content (%) 63.4 53.8 53.5
Number of predicted genes
2950
3099

a Glutamate production in typical experiments using the biotin limitation method as a percent of the production by C. glutamicum at 32°C