Actinomyces suimastitidis sp. nov., isolated from pig mastitis.

Hoyles, Lesley; Falsen, Enevold; Holmström, Gull; Persson, Arne; Sjödén, Berit; Collins, Matthew D.

doi:10.1099/00207713-51-4-1323

Cited by 24 publications

(10 citation statements)

References 9 publications

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“…including two new Actinomyces species, i.e. Actinomyces 101 and Actinomyces suimastitidis, have been isolated from pyogranulomatous udder lesions (Magnusson, 1928;Murakami et al, 1998;Hoyles et al, 2001). Moreover, S. aureus, which we only found in the pyogranulomatous lesions, has also been isolated from non-granulomatous udder abscesses (Delgado and Jones, 1981).…”

Section: Discussionmentioning

confidence: 72%

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Pathology of Udder Lesions in Sows

Christensen¹,

Aalbæk²,

Jensen³

2007

Journal of Veterinary Medicine Series A

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In recent years an increasing frequency of sows with udder lesions has been observed during meat inspection. The frequency and pattern of affected mammary complexes were determined by inspection, palpation, and incision of udders of 640 sows at a local slaughterhouse. From representative lesions, tissue specimens were sampled for histological and bacteriological examination. Moreover, in seven problem cases immunohistochemistry was applied for the identification of Staphylococcus aureus and Arcanobacterium pyogenes. Udder lesions were recorded in 67 sows (10.5%), with mammary complex no. 7 being most frequently affected (39%). In most cases (81%), lesions were restricted to a single mammary complex. Gross lesions were characterized as focal or multiple abscesses, which most often (79%) were accompanied by dermal ulcerations. Based on histological observations and bacterial identification, two groups of lesions were identified: (I) pyogranulomatous lesions of the dermal and subcutaneous tissue caused by S. aureus; and (II) dermal and subcutaneous abscesses dominated by A. pyogenes. In neither group I nor group II lesions, the glandular mammary tissue was involved as demonstrated by immunostaining for cytokeratin, i.e. mastitis was not diagnosed in any of the cases. In conclusion, all udder lesions were caused by skin infections predominantly caused by A. pyogenes and S. aureus resulting in the development of dermal abscesses and pyogranulomatous lesions, respectively.

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Section: Discussionmentioning

confidence: 72%

“…From granulomatous lesions, Staphylococcus spp., Streptococcus spp., and Actinomyces spp., including two new Actinomyces species, i.e. Actinomyces 101 and Actinomyces suimastitidis, have been isolated (Magnusson, 1928;Murakami et al, 1998;Hoyles et al, 2001).…”

Section: Introductionmentioning

confidence: 99%

Pathology of Udder Lesions in Sows

Christensen¹,

Aalbæk²,

Jensen³

2007

Journal of Veterinary Medicine Series A

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“…Additionally, comparisons of the phenotypic characteristics of strains BL-75, BL-79 T , and BL-104 with those reported for the most closely related Actinomyces species reveal a number of discriminatory characteristics (Tables 1 and 2). In addition to characteristics summarized in Tables 1 and 2, strains BL-75, BL-79 T and BL-104 could also be differentiated from A. canis (CCUG 41706 T , data from Hoyles et al 2000) based on fermentation of pullulan and production of afucosidase and catalase; from A. cardiffensis (data from Hall et al 2002) based on fermentation of D-xylose, and production of b-glucosidase; from A. funkei (CCUG 42773 T , data from Lawson et al 2001) based on production of acid and alkaline phosphatases and a-galactosidase; from A. georgiae (VPI D145A-07 T , data from Johnson et al 1990) based on fermentation of mannose; from A. hyovaginalis (NCFB 2983 T , data from Collins et al 1993) based on production of alkaline phosphatase and pyrazinamidase; from A. meyeri (ATCC 35568 T , data from Cato et al 1984;Schaal 1986) based on fermentation of mannose, absence of an absolute requirement for vitamin K1 and production of cystine arylamidase, a-and b-galactosidases; from A. odontolyticus (data from Schaal 1986;Batty 1958) based on fermentation of mannose and absence of spore production; from A. suimastitidis (CCUG 39276 T , data from Hoyles et al 2001a) based on fermentation of pullulan; from A. turicensis (data from Vandamme et al 1998) based on esculin hydrolysis; and from A. vaccimaxillae (data from Hall et al 2003a) based on acid from mannitol (API Coryne), mannose and sucrose (API Coryne), and production of alkaline phosphatase (API Coryne) and a-fucosidase. The mol% G?C content determined here for strain BL-79 T (69.8 mol%) is also appreciably higher than that reported previously for type strains of the species A. hyovaginalis (63 mol%, Collins et al 1993), A. meyeri (63 mol%, Johnson et al 1990),…”

Section: Discussionmentioning

confidence: 99%

“…Previously described Actinomyces species (currently 38) have all been isolated from human and animal sources Batty 1958;Georg et al 1964;Gerencser and Slack 1969;Hall et al 2002Hall et al , 2003aHall et al , b, 2005Hoyles et al 2000Hoyles et al , 2001aJohnson et al 1990;Lawson et al 2001;Nikolaitchouk et al 2000;Pascual et al 1999), and some of them are known to cause disease in humans (Coleman et al 1969;Georg et al 1965;Leers et al 1969;Pine and Hardin 1959;Wool et al 2003).…”

Section: Introductionmentioning

confidence: 96%

Actinomyces naturae sp. nov., the first Actinomyces sp. isolated from a non-human or animal source

Rao

Rash

Nobre

et al. 2011

Antonie van Leeuwenhoek

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Three facultatively anaerobic, Gram-positive staining, rod-shaped, non-spore forming, flagellated bacterial strains, BL-75, BL-79(T) and BL-104, were isolated from chlorinated solvent-contaminated groundwater. Phylogenetic analysis based on 16S rRNA gene sequence comparisons showed them to represent a distinct lineage within the genus Actinomyces with sequence identities in the range of <88-95.4% with previously described Actinomyces species. The strains were oxidase and catalase negative. Nitrate was not reduced. Esculin was hydrolyzed. Growth occurred in the temperature range of 20-43°C (optimum 30-37°C) and pH range 4.5-9.0 (optimum pH 6.5). Substrates supporting growth included various mono-, di-, and tri-saccharides. The end products of glucose fermentation were acetate, lactate, succinate and formate. Fermentative growth was observed in the presence of near saturation concentrations of perchloroethene (PCE) and toluene and in the presence of 1,2-dichloroethane and 1,1,2-trichloroethane at concentrations up to at least 24.4 mM and 11.2 mM, respectively. The dominant cellular fatty acids when grown in peptone/yeast extract/glucose (PYG) medium were C(18:1) ω9c, C(16:0), and C(14:0). The peptidoglycan was found to contain the amino acids alanine, glutamic acid, lysine, and ornithine at approximate molar ratios of 1.7 Ala: 2.3 Glu: 1.3 Lys: 1.0 Orn. The cell wall sugars were found to include rhamnose and mannose. The polar lipids were found to include diphosphatidylglycerol (DPG), phosphatidylglycerol (PG), phospholipid (PL), phosphoglycolipids (PGL), and glycolipids (GL). The main respiratory quinone of strain BL-79(T) was MK-9(H(4)), with minor components MK-10(H(4)) and MK-8(H(4)). The DNA mol% G+C content of the type strain is 69.8%. On the basis of phylogenetic and phenotypic characteristics, these strains could be differentiated from previously described species of the genus Actinomyces. Strains BL-75, BL-79(T) and BL-104 are designated as a novel species, for which the name Actinomyces naturae sp. nov. is proposed. This is the first Actinomyces species isolated from an environmental rather than human or animal sources. The type strain of Actinomyces naturae is BL-79(T) (= CCUG 56698(T) = NRRL B-24670(T)).

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“…To date, Actinomycetaceae isolated from pigs has been known to have three genera and ten species. In the genus Actinomyces, Actinomyces bovis [5], Actinomyces hyovaginalis [3], Actinomyces israelii [18], Actinomyces naeslundii [18], Actinomyces suimastitidis [8], Actinomyces viscosus [4] and unpublished Actinomyces sp. strain Chiba 101 (Actinomyces sp.…”

mentioning

confidence: 99%

Aborted Lesions of a Pig Associated with Arcanobacterium abortisuis and the Immunohistochemical Features

Murakami

Ogawa

Azuma

et al. 2011

The Journal of Veterinary Medical Science

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ABSTRACT. A microorganism isolated from an aborted sow's placenta has been proposed as a novel species, Arcanobacterium abortisuis. The lesions in the placenta were suppurative and necrotic placentitis, whereas lesions of three fetuses were suppurative bronchopneumonia. Gram and Grocott-positive organisms in these lesions were immunolabeled with anti-Arcanobacterium abortisuis antibody. This is the first case report, which showed the association of Arcanobacterium abortisuis with the aborted lesions of a pig.

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Actinomyces suimastitidis sp. nov., isolated from pig mastitis.

Cited by 24 publications

References 9 publications

Pathology of Udder Lesions in Sows

Pathology of Udder Lesions in Sows

Actinomyces naturae sp. nov., the first Actinomyces sp. isolated from a non-human or animal source

Aborted Lesions of a Pig Associated with Arcanobacterium abortisuis and the Immunohistochemical Features

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