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Results for “Erysipelothrix Infections”

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PubMed1992

Detection of cytokine activated chondrocytes in arthritic joints from pigs infected with Erysipelothrix rhusiopathiae.

Chronic polyarthritis was induced in pigs by injection of Erysipelothrix rhusiopathiae and the in vivo activation of chondrocytes by cytokines was then investigated in the affected joints by immunocytochemistry. A polyclonal antiserum which recognises surface markers on in vitro interleukin 1 activated porcine chondrocytes was used to detect activated chondrocytes in all zones of the cartilage from diseased joints. In contrast, cartilage removed from an unaffected joint in the same animal showed no chondrocyte activation. Inflammatory synovial tissue removed from diseased joints and cocultured with cartilage from the unaffected joint induced activation of adjacent chondrocytes. The presence of interleukin 1 in the inflammatory cells of the synovium was confirmed and major histocompatibility complex (MHC) class II antigens were detected as a marker of synovial activation. Chondrocytes were found not to express class II antigens in cartilage from either the diseased or the unaffected joint. These observations show that the porcine erysipelas model of arthritis will be useful in facilitating a novel approach to monitoring the behaviour of individual chondrocytes under pathophysiological conditions.

Animals↗
PubMed1998

Occurrence of Erysipelothrix spp. in chicken meat parts from a processing plant.

From March 1996 to March 1997, 153 domestic raw chicken meat samples, including 71 thigh, 50 outer breast muscle, and 32 white meat samples, from a processing plant located in a chicken abattoir in Nagano Prefecture, Japan, were examined for the presence of Erysipelothrix spp. Erysipelothrix spp. were isolated from 49 (30.0%) of the 153 chicken meat samples. Of 67 Erysipelothrix isolates, 65 and 2 isolates were identified as E rhusiopathiae and E. tonsillarum. E. rhusiopathiae and E. tonsillarum isolates were serotyped into 11 and 2 different serovars, respectively. These findings might indicate that domestic chicken meat is frequently contaminated with E. rhusiopathiae and seems to be a potential source of human Erysipelothrix infection.

Abattoirs↗
PubMedDate not supplied

An outbreak of erysipelas in Coturnix quails.

A severe outbreak of erysipelas causing high mortality was observed in Coturnix breeder quails. Possible source(s) of erysipelothrix infection in the flock and subsequent infections due to Pasteurella multocida, Salmonella typhimurium, and Staphylococcus aureus are discussed.

Animals↗
PubMed2002

The detection and recovery of Erysipelothrix spp. in meat and abattoir samples in Western Australia.

AIMS: To investigate the occurrence of Erysipelothrix rhusiopathiae and other Erysipelothrix spp. in abattoir and meat samples in Western Australia. METHODS AND RESULTS: Samples were collected from various parts of pig and sheep carcasses, as well as different sections of slaughtering line, pen soil and effluent. Previously evaluated culture methods were applied for the isolation of Erysipelothrix spp., in conjunction with phenotypic and genotypic detection and identification procedures. Of 109 samples from the two abattoirs, 35 (32.1%) were Erysipelothrix genus-specific PCR-positive. These came from swabs of animal exterior surfaces and joints, slaughtering areas, pig pen soil and abattoir effluent. Four samples (3.7%) from sheep arthritic joints and pig abattoir effluent were also E. rhusiopathiae species-specific PCR-positive. Of 123 carcass washing samples, 12 (9.8%) were genus-specific PCR-positive, and these came from all five kinds of meat samples tested, including beef, lamb, mutton, pork and chicken. Four of them (3.3%) were also species-specific PCR-positive. A total of 25 isolates was recovered from the samples, of which seven were identified as E. rhusiopathiae, seven were consistent with E. tonsillarum, and the remaining 11 were other species of Erysipelothrix. CONCLUSIONS: Erysipelothrix spp. can still be isolated and identified from specimens of animal origin with relative ease, provided that appropriate cultural and molecular procedures are used. Clinical microbiology laboratories may need to improve their diagnostic protocols. SIGNIFICANCE AND IMPACT OF THE STUDY: This study confirms that E. rhusiopathiae and other species of Erysipelothrix continue to colonize and contaminate farmed animals and animal products. Erysipelothrix infection still poses a potential threat to the economy of the farmed animal industry, as well as being a potential human public health hazard.

Abattoirs↗
PubMed2004

[Infective endocarditis caused by Erysipelothrix rhusiopathiae--case report].

Infective endocarditis (IE) is an infectious disease, which leads to death when is untreated. In most cases IE is caused by typical bacteria. IE caused by atypical bacteria is rare. In this paper, we describe a female patient with IE caused by Erysipelothrix rhusiopathiae (ER). Due to inflammation and leaflets' damage she underwent double-valve implantation (aortic and mitral ones). A long-term antibiotic therapy was given with good outcome. We also describe the organism, types of human diseases caused by ER and treatment options.

Anti-Bacterial Agents↗