Affiliation:
1. Department of Clinical Microbiology, The Hebrew University-Hadassah Medical School, Jerusalem, Israel
Abstract
A survey of 10 mycoplasma strains has shown that their capacity to accumulate radioactivity from α-methyl-
d
-glucopyranoside depends on the activity of a phosphoenolpyruvate-dependent phosphotransferase system (PTS), and that this system endows the organisms with a high affinity for glucose as a fermentation substrate. PTS activity was found in
Mycoplasma gallisepticum, M. mycoides
var.
mycoides
, and
M. mycoides
var.
capri
, but in none of the fermentative
Acholeplasma
strains nor in some of the nonfermentative
Mycoplasma
species. Partial characterization of the PTS of
M. mycoides
var.
capri
has shown that, like the PTS of
Escherichia coli
and
Staphylococcus aureus
, it is strictly dependent on phosphoenolpyruvate as a phosphoryl donor and on componenets of both the cytoplasm and the membrane.
Publisher
American Society for Microbiology
Subject
Molecular Biology,Microbiology
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