Phosphorylating enzymes involved in glucose fermentation of Actinomyces naeslundii
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Phosphorylating enzymes involved in glucose fermentation of Actinomyces naeslundii.
Enzymatic activities involved in glucose fermentation of Actinomyces naeslundii were studied with glucose-grown cells from batch cultures. Glucose could be phosphorylated to glucose 6-phosphate by a glucokinase that utilized polyphosphate and GTP instead of ATP as a phosphoryl donor. Glucose 6-phosphate was further metabolized to the end products lactate, formate, acetate, and succinate through...
متن کاملComparative pathogenicity of Actinomyces naeslundii and Actinomyces israelii.
Typical actinomycosis has been produced in mice following single intraperitoneal injections of saline suspensions of Actinomyces israelii and A. naeslundii. A. israelii produced infections in 95.8% of the animals inoculated. A. naeslundii, generally considered to be a saprophytic organism, produced lesions in 89.7% of the inoculated animals. The finding that A. naeslundii produced lesions in mi...
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Rapid agglutination of Actinomyces viscosus and Actinomyces naeslundii cells by D-mannose solutions was observed during studies of their attachment to mammalian cells in vitro. The specificity of the agglutination reaction was studied by slide agglutination tests and by measuring the rate of decrease in optical density of bacterial phosphate buffer suspensions caused by the setting of bacterial...
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A significant decrease of hepatic high-Km glucose- phosphorylating enzyme glucokinase (ATP- D- glucose 6- phosphotransferase, EC 2.7. 1.2, GK) and low-Km hexokinases (EC 2.7. 1.1. HK) activities were noticed in liver treated with 2, 2'- dichlorodiethyl sulfide (sulfur mustard, HD) when injectedinteraperitoneally to male rats in 114 LD50. This decrease occurred 1.5 to 5.5 hours after the in...
متن کاملActinomyces naeslundii: An Uncommon Cause of Endocarditis
Actinomyces rarely causes endocarditis with 25 well-described cases reported in the literature in the past 75 years. We present a case of prosthetic valve endocarditis (PVE) caused by Actinomyces naeslundii. To our knowledge, this is the first report in the literature of endocarditis due to this organism and the second report of PVE caused by Actinomyces.
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ژورنال
عنوان ژورنال: Journal of Bacteriology
سال: 1995
ISSN: 0021-9193,1098-5530
DOI: 10.1128/jb.177.20.5806-5811.1995