Isolation of Capnocytophaga species with a new selective medium. 1985

J L Rummens, and J M Fossepre, and M De Gruyter, and H Van de Vyver, and L Neyt, and H W Van Landuyt

A selective medium (CAP) composed of a GC agar base supplemented with 1% hemoglobin, 1% Polyvitex, and an antibiotic mixture of polymyxin B (15 U/ml), vancomycin (5 micrograms/ml), trimethoprim (2.5 micrograms/ml), and amphotericin B (2.5 micrograms/ml) was compared with another selective medium (TBBP) and two nonselective media--a blood agar and a chocolate agar--to isolate Capnocytophaga species from 725 clinical specimens. These included sputa (467 specimens), throat swabs (116 specimens), oral ulcerations (35 specimens), and periodontal pockets (107 specimens). The recovery rate of Capnocytophaga species was significantly higher with the CAP medium (96%) than with the selective TBBP medium (52.2%), the nonselective blood agar (6.2%), and the chocolate agar (4.6%). Growth of the normal flora was best inhibited on CAP medium. Colony size and yellow-brown pigment formation were maximally expressed on chocolate agar and CAP medium, but gliding motility was mostly absent. We conclude that the CAP medium is an excellent medium for the recovery of Capnocytophaga species from contaminated clinical specimens.

UI MeSH Term Description Entries
D009055 Mouth The oval-shaped oral cavity located at the apex of the digestive tract and consisting of two parts: the vestibule and the oral cavity proper. Oral Cavity,Cavitas Oris,Cavitas oris propria,Mouth Cavity Proper,Oral Cavity Proper,Vestibule Oris,Vestibule of the Mouth,Cavity, Oral
D010514 Periodontal Pocket An abnormal extension of a gingival sulcus accompanied by the apical migration of the epithelial attachment and bone resorption. Pocket, Periodontal,Periodontal Pockets,Pockets, Periodontal
D010614 Pharynx A funnel-shaped fibromuscular tube that conducts food to the ESOPHAGUS, and air to the LARYNX and LUNGS. It is located posterior to the NASAL CAVITY; ORAL CAVITY; and LARYNX, and extends from the SKULL BASE to the inferior border of the CRICOID CARTILAGE anteriorly and to the inferior border of the C6 vertebra posteriorly. It is divided into the NASOPHARYNX; OROPHARYNX; and HYPOPHARYNX (laryngopharynx). Throat,Pharynxs,Throats
D002206 Capnocytophaga A gram-negative gliding bacterium isolated from the oral cavity. It is a pathogen often causing PERIODONTITIS.
D003470 Culture Media Any liquid or solid preparation made specifically for the growth, storage, or transport of microorganisms or other types of cells. The variety of media that exist allow for the culturing of specific microorganisms and cell types, such as differential media, selective media, test media, and defined media. Solid media consist of liquid media that have been solidified with an agent such as AGAR or GELATIN. Media, Culture
D006454 Hemoglobins The oxygen-carrying proteins of ERYTHROCYTES. They are found in all vertebrates and some invertebrates. The number of globin subunits in the hemoglobin quaternary structure differs between species. Structures range from monomeric to a variety of multimeric arrangements. Eryhem,Ferrous Hemoglobin,Hemoglobin,Hemoglobin, Ferrous
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000900 Anti-Bacterial Agents Substances that inhibit the growth or reproduction of BACTERIA. Anti-Bacterial Agent,Anti-Bacterial Compound,Anti-Mycobacterial Agent,Antibacterial Agent,Antibiotics,Antimycobacterial Agent,Bacteriocidal Agent,Bacteriocide,Anti-Bacterial Compounds,Anti-Mycobacterial Agents,Antibacterial Agents,Antibiotic,Antimycobacterial Agents,Bacteriocidal Agents,Bacteriocides,Agent, Anti-Bacterial,Agent, Anti-Mycobacterial,Agent, Antibacterial,Agent, Antimycobacterial,Agent, Bacteriocidal,Agents, Anti-Bacterial,Agents, Anti-Mycobacterial,Agents, Antibacterial,Agents, Antimycobacterial,Agents, Bacteriocidal,Anti Bacterial Agent,Anti Bacterial Agents,Anti Bacterial Compound,Anti Bacterial Compounds,Anti Mycobacterial Agent,Anti Mycobacterial Agents,Compound, Anti-Bacterial,Compounds, Anti-Bacterial
D013183 Sputum Material coughed up from the lungs and expectorated via the mouth. It contains MUCUS, cellular debris, and microorganisms. It may also contain blood or pus. Sputum, Induced,Induced Sputum,Induced Sputums,Sputums,Sputums, Induced
D041964 Cytophagaceae A family of gram-negative, gliding bacteria in the order Cytophagales, class Cytophagia. They are found in SOIL and SEA WATER. Flexibacteraceae

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