نتایج جستجو برای: anaerobic bacteria
تعداد نتایج: 203682 فیلتر نتایج به سال:
A new medium for the detection of gelatin-hydrolyzing activity of human dental plaque flora by a simplified plate method is described. It is designed to support the growth of obligate anaerobes, facultative anaerobes, and aerobes. This medium can be used for the identification of gelatinase-producing organisms of clinical importance.
Recovery of aerobes and facultative anaerobes from 200 consecutive randomly selected high vaginal swabs was evaluated using three-compartment Petri dishes containing Sabouraud, dextrose agar, GC selective agar, and chocolate agar. The method was compared with the traditional method using individual Petri dishes. The two methods produced comparable results both in terms and quantities of organis...
Ten commercial transport swabs were evaluated for their ability to preserve bacteria for 24 and 48 hours. Microorganisms included ATCC strains of Gram-positive and Gram-negative aerobes and anaerobes. There was a wide variation in performance. Swabs using Amies plus charcoal medium or Stuart's medium had better recovery rates than those using Amies medium alone. The nature of the tips of the sw...
To evaluate the persistence of PCR-detectable Bacteroides distasonis in surface water, whole human feces were dispersed into water from the Ohio River and incubated in flasks in the laboratory or in diffusion chambers in situ. Duplicate samples were taken daily, and material that pelleted at 16,000 x g was assayed by PCR. Persistence of PCR-detectable DNA from this anaerobe depended upon temper...
In two long-term studies, the BACTEC radiometric system for detection of bacteremia was evaluated with three culture media each: (i) BACTEC media 6A (for aerobes) and 7B (for anaerobes) plus a thioglycolate medium and (ii) BACTEC media 6A, 7B, and 8A (hypertonic). In study 1, clinically significant isolates were identified in 1,873 (13.9%) of 13,432 blood cultures with all three media. The thio...
Clostridium phoceensis sp. nov., strain GD3T (= CSUR P1929 = DSM 100334) is the type strain of C. phoceensis sp. nov., a new species within the genus Clostridium. This strain was isolated from the gut microbiota of a 28-year-old healthy French man. C. phoceensis is a Gram-negative, spore-forming, nonmotile, strictly anaerobic bacterium. We describe its complete genome sequence and annotation, t...
The genome sequence of Caloramator mitchellensis strain VF08, a rod-shaped, heterotrophic, strictly anaerobic bacterium isolated from the free-flowing waters of a Great Artesian Basin (GAB) bore well located in Mitchell, an outback Queensland town in Australia, is reported here. The analysis of the 2.42-Mb genome sequence indicates that the attributes of the genome are consistent with its physi...
"Anaerocellum thermophilum" DSM 6725 is a strictly anaerobic bacterium that grows optimally at 75 degrees C. It uses a variety of polysaccharides, including crystalline cellulose and untreated plant biomass, and has potential utility in biomass conversion. Here we report its complete genome sequence of 2.97 Mb, which is contained within one chromosome and two plasmids (of 8.3 and 3.6 kb). The g...
The purification and characterization of a new restriction endonuclease, Dde 1, from a sulfate-reducing, anaerobic bacterium, Desulfovibrio desulfuricans, Norway, is reported. The enzyme recognizes the sequence (see formula index) and cleaves at the position indicated by the arrows. The enzyme preparation obtained is suitable for restriction mapping an ligation.
Victivallis vadensis ATCC BAA-548 represents the first cultured representative from the novel phylum Lentisphaerae, a deep-branching bacterial lineage. Few cultured bacteria from this phylum are known, and V. vadensis therefore represents an important organism for evolutionary studies. V. vadensis is a strictly anaerobic sugar-fermenting isolate from the human gastrointestinal tract.
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