Stabilization of Glucose-starved Escherichia coli K12 and Salmonella typhimurium LT2 by Peptidase-deficient Mutants
Bockman, Alice T. and Reeve, Carole A. and Matin, Abdul,, 132, 231-235 (1986),
doi = https://doi.org/10.1099/00221287-132-2-231,
publicationName = Microbiology Society,
issn = 1350-0872,
abstract= Summary: Escherichia coli K12 and Salmonella typhimurium LT2 cells were stabilized during carbon starvation in the presence of peptidase-deficient mutant strains. The rate of loss of viability of the wild-type S. typhimurium strain was decreased an average of 2-fold, and the rate for the wild-type E. coli strain was decreased about 2.3-fold, when either was starved in the presence of the multiply peptidase-deficient S. typhimurium strain TN852; other peptidase-deficient strains exhibited similar stabilizing effects. Starving wild-type S. typhimurium LT2 cells utilized peptides excreted by the starving peptidase-deficient cells for protein synthesis, and, to a lesser extent, as respiratory substrates. Provision of free amino acids in steady-state levels to starving E. coli K12 cells in a cell recycle apparatus had a stabilizing effect similar to that of mixing with peptidase-deficient cells.,
language=,
type=