1992
DOI: 10.1128/jcm.30.9.2330-2334.1992
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Enzymatically active Peptostreptococcus magnus: association with site of infection

Abstract: Fifty-four strains of Peptostreptococcus magnus (11 were recovered from abdominal infections, 18 were from nonpuerperal breast abscesses, and 21 were from diabetic foot infections; the type strain and three other strains were from the American Type Culture Collection, Rockville, Md.) and the type strain of Peptostreptococcus micros were tested for their ability to produce various enzymes, including catalase, hippurate hydrolase, serine dehydratase, threonine dehydratase, collagenase, gelatinase, alkaline phosp… Show more

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Cited by 33 publications
(26 citation statements)
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“…All strains produce ammonia from glycine and most strains produce ammonia from threonine and serine . Aminopeptidase activities have been reported (Ng et al, 1998) and also catalase activity (Murdoch & Mitchelmore, 1991;Krepel et al, 1992). Coagulase, indole and urease are not formed, and no strain reduces nitrate Murdoch, 1998).…”
Section: Description and Overviewmentioning
confidence: 99%
See 2 more Smart Citations
“…All strains produce ammonia from glycine and most strains produce ammonia from threonine and serine . Aminopeptidase activities have been reported (Ng et al, 1998) and also catalase activity (Murdoch & Mitchelmore, 1991;Krepel et al, 1992). Coagulase, indole and urease are not formed, and no strain reduces nitrate Murdoch, 1998).…”
Section: Description and Overviewmentioning
confidence: 99%
“…Typical infections connected with F. magna are soft-tissue abscesses, wound infections, bone and prosthetic joint infections (Fitzgerald et al, 1982;Davies et al, 1988;Murdoch, 1998;Brook & Frazier, 2000;Brazier et al, 2008;Brook, 2008;Holst et al, 2008;Levy et al, 2009;Martin et al, 2009). The bacterium has also been described in septic arthritis (Fitzgerald et al, 1982;Hunter & Chow, 1988), nonpuerperal breast abscesses (Edmiston et al, 1990;Krepel et al, 1992;Castello et al, 2007) and in vaginoses (Kastern et al, 1990;Ricci et al, 2001;Aggarwal et al, 2003). In addition, rare cases of infectious endocarditis on prosthetic valves (Cofsky & Seligman, 1985;Pouëdras et al, 1992;van der Vorm et al, 2000;Bassetti et al, 2003;Fournier et al, 2008) and postoperative mediastinitis (Kernéis et al, 2009) caused by F. magna have been described.…”
Section: Clinical Importancementioning
confidence: 99%
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“…Interestingly, GPAC produce a range of hydrolytic enzymes including hyaluronidase, gelatinase, and collagenase 27 . 51, 52 This finding may suggest not only direct enhancement of extracellular matrix (ECM) turnover, but also indirect potentiation of a chronic inflammatory response (Figure 1). The production of hydrolytic enzymes by the GPAC is not a universal phenotype and varies between strains and between disease sites 53 .…”
Section: Effects Of Extracellular Products Of Gpac On Extracellular Mmentioning
confidence: 99%
“…Another important virulence factor of F. magna is the subtilase-like enzyme SufA, which protects the bacterium from antibacterial activities of LL-37, histones and MIG/ CXCL9 by proteolytic degradation (Karlsson et al, 2007;Murphy and Frick, 2013). F. magna also has the capability to produce a capsule and the enzymes collagenase and gelatinase, which could be other important pathogenicity factors (Brook, 1986;Krepel et al, 1992).…”
Section: Introductionmentioning
confidence: 99%