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Literature DB >> 13705

Beta-Lactamase activity in strains of Bacteroides melaninogenicus and Bacteroides oralis.

Abstract

beta-Lactamase from strains of Bacteroides melaninogenicus and Bacteroides oralis hydrolyzed penicillin more rapidly than ampicillin or carbenicillin. Cephalothin and a chromogenic cephalosporin (87/312) were also hydrolyzed by the enzyme. Activity was found only in beta-lactam-resistant strains, but there was considerable variation in activity among strains having the same minimal inhibitory concentrations of antibiotic. beta-Lactamase activity was cell bound and appeared to be tightly associated with the cell envelope since detergents were required to elute this activity.

Entities: Chemical Species

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Year: 1977 PMID： 13705 PMCID： PMC351933 DOI： 10.1128/AAC.11.1.142

Source DB: PubMed Journal: Antimicrob Agents Chemother ISSN： 0066-4804 Impact factor: 5.191

8 in total

1. Influence of pencillinase production by strains of Bacteroides melaninogenicus and Bacteriodes oralis on pencillin therapy of an experimental mixed anaerobic infection in mice.

Authors: A S Hackman; T D Wilkins
Journal: Arch Oral Biol Date: 1976 Impact factor: 2.633

2. Microiodometric determination of beta-lactamase activity.

Authors: R B Sykes; K Nordström
Journal: Antimicrob Agents Chemother Date: 1972-02 Impact factor: 5.191

3. Modified broth-disk method for testing the antibiotic susceptibility of anaerobic bacteria.

Authors: T D Wilkins; T Thiel
Journal: Antimicrob Agents Chemother Date: 1973-03 Impact factor: 5.191

4. Bacteroides penicillinase.

Authors: G Pinkus; G Veo; A I Braude
Journal: J Bacteriol Date: 1968-10 Impact factor: 3.490

5. In vitro antimicrobial susceptibility of anaerobic bacteria isolated from clinical specimens.

Authors: W J Martin; M Gardner; J A Washington
Journal: Antimicrob Agents Chemother Date: 1972-02 Impact factor: 5.191

6. Beta-lactamase activity in anaerobic bacteria.

Authors: A E Weinrich; V E Del bene
Journal: Antimicrob Agents Chemother Date: 1976-07 Impact factor: 5.191

7. Novel method for detection of beta-lactamases by using a chromogenic cephalosporin substrate.

Authors: C H O'Callaghan; A Morris; S M Kirby; A H Shingler
Journal: Antimicrob Agents Chemother Date: 1972-04 Impact factor: 5.191

8. Cephalosporinase activity in Bacteroides fragilis.

Authors: V E Del Bene; W E Farrar
Journal: Antimicrob Agents Chemother Date: 1973-03 Impact factor: 5.191

8 in total

13 in total

1. Characterization of beta-lactamases from non-Bacteroides fragilis group Bacteroides spp. belonging to seven species and their role in beta-lactam resistance.

Authors: P C Appelbaum; A Philippon; M R Jacobs; S K Spangler; L Gutmann
Journal: Antimicrob Agents Chemother Date: 1990-11 Impact factor: 5.191

Beta-Lactamase activity in strains of Bacteroides melaninogenicus and Bacteroides oralis.

1. Influence of pencillinase production by strains of Bacteroides melaninogenicus and Bacteriodes oralis on pencillin therapy of an experimental mixed anaerobic infection in mice.

2. Microiodometric determination of beta-lactamase activity.

3. Modified broth-disk method for testing the antibiotic susceptibility of anaerobic bacteria.

4. Bacteroides penicillinase.

5. In vitro antimicrobial susceptibility of anaerobic bacteria isolated from clinical specimens.

6. Beta-lactamase activity in anaerobic bacteria.

7. Novel method for detection of beta-lactamases by using a chromogenic cephalosporin substrate.

8. Cephalosporinase activity in Bacteroides fragilis.

1. Characterization of beta-lactamases from non-Bacteroides fragilis group Bacteroides spp. belonging to seven species and their role in beta-lactam resistance.

2. Purification and properties of beta-lactamase from Bacteroides fragilis.

3. Antibiotic susceptibility of black-pigmented Bacteroides isolates from the human oral cavity.

Review 4. Mechanisms of resistance to cephalosporin antibiotics.

5. Isoelectric focusing of Bacteroides melaninogenicus group beta-lactamases.

6. New medium for selection and presumptive identification of the Bacteroides fragilis group.

7. [Antibiotic resistance of anaerobic bacteria (author's transl)].

8. Characterization of a beta-lactamase found in Eikenella corrodens.

9. Purification and properties of a novel beta-lactamase from Fusobacterium nucleatum.

10. Comparative in vitro activity of new beta-lactam antibiotics against anaerobic bacteria.