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Results for “PEPTONES”

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At least 271 records · Page 15Linked to original sources
PubMed1974

Primary isolation of Mycobacterium chelonei subspecies abscessus from pus inoculated into peptone broth.

We have described the isolation of Mycobacterium chelonei subspecies abscessus which on two occasions grew out within 4 days in routine cultures after inoculation with purulent material from injection abscesses in a patient with diabetes mellitus. Media isolation and culture characteristics of this organism in comparison to others in the Mycobacterium fortuitum complex are described. Mycobacteria in routine laboratory media can be mistaken for diphtheroids or other "contaminants" or can be overlooked entirely. The possibility of clinical infection of mycobacterial species should be kept in mind when confronted with "sterile" abscesses at injection sites.

Abscess↗
PubMed2001

Debaryomyces hansenii growth in nonsterile seawater ClO2-peptone-containing medium.

We found that the marine yeast Debaryomyces hansenii strain C-11 (CIBNOR yeast collection, La Paz, Mexico) is highly tolerant to chlorine dioxide (ClO2), a powerful biocide agent. A direct application of this observation is the fermentation of the yeast in a nonsterile medium with an initial concentration of 0.3 mg/L of ClO2. The disinfectant helps to avoid the growth of unwanted microorganisms while allowing the development of the yeast. Because the concentration of ClO2 decreases during the fermentation, we ascribe to D. hansenii cells a "biocontrol" action that contributes to the collection of a contaminant-free yeast cell biomass.

Bacteria↗
PubMed1985

Effect of pirenzepine and atropine on peptone meal-stimulated gastric secretion and plasma gastrin in healthy volunteers, patients with duodenal ulcer and vagotomized patients.

The aim of this study was to compare the effects of atropine with those of placebo and pirenzepine on food-induced gastrin release, and gastric and acid secretion. Three groups of subjects were studied: 8 healthy volunteers; 8 duodenal ulcer patients, and 6 vagotomized patients. Gastric acid secretion and serum gastrin were studied in each subject on 3 different days, after placebo, atropine or pirenzepine, given in random order. In each group, acid secretion was significantly depressed by atropine and pirenzepine. Unlike pirenzepine, atropine induced a significantly increase in serum gastrin in both healthy volunteers and duodenal ulcer patients. None of the treatments caused differences in gastrin response in vagotomized patients.

Adult↗