Erratum

to Karl a.Stetter, Helmut Konig and £rko Stackebrandt"Pyrodictium gen. nov., a New Genus of Submarine Disc-Shaped SulphurReducing Archaebacteria Growing Optimally at 105°C" in System. App!.Microbiol. 4, 535-551 (1983)

Should read: EF 2 of strain PL-19 was a substrate for ADP-ribosylationby diphteria toxin (F. Klink, pers. comm.),

in stead of p. 544, Line 34-35: Ribosomes of strain PL-19 were an ex­cellent substrate for ADP-ribosylation by diphteria toxin(F. Klink, pers. comm.).