• Since then, studies have identified A. naeslundii, A. viscosus, A. pyogenes, A denticolens, A. howellii, A. hordeovulneris, and A. meyeri in humans as well as in dogs and cats. (cdc.gov)
  • A. viscosus infection symptoms are indistinguishable from Actinomyces israelii infection symptoms or Actinomyces bovis infection symptoms. (wikipedia.org)
  • A. israelii and A. bovis infections usually cause actinomycotic infections, but sometimes and very rarely will the pathogen be A. viscosus. (wikipedia.org)
  • Actinomyces israelii. (medscape.com)
  • Actinomyces israelii species is a gram-positive, cast-forming, non-acid-fast, non-spore-forming anaerobic bacillus that is difficult to isolate and identify. (medscape.com)
  • Actinomyces israelii (non-spore-forming, gram-positive bacilli). (medscape.com)
  • Most reported cases of Actinomyces keratitis (keratoactinomycosis) are caused by A israelii . (medscape.com)
  • Die Gattung Actinomyces umfasst derzeit 49 Arten, von denen 26 Arten bei klinischen Infektionen des Menschen eine Rolle spielen und 4 Arten von besonderer klinischer Bedeutung sind: A. israelii, A. gerencseriae, A. meyeri und A. odontolyticus [1]. (meintrup-dws.de)
  • Wenn Sie mehr über Actinomyces israelii und andere klinisch relevante grampositive Anaerobier erfahren möchten, klicken Sie hier, um unseren Leitfaden "Einführung in die klinische anaerobe Bakteriologie" zu lesen. (meintrup-dws.de)
  • Cone LA, Leung MM, Hirschberg J. Actinomyces odontolyticus bacteremia. (medscape.com)
  • We describe two immunosuppressed female patients with fever and Actinomyces odontolyticus bacteremia, a combination documented once previously in an immunocompetent male patient. (cdc.gov)
  • Our results identified the critical roles of the C. albicans arginine biosynthesis pathway in its cross-kingdom interactions with A. viscosus for the first time and indicated that targeting this pathway was a practical way to treat root caries caused by multiple species. (bvsalud.org)
  • A primary corneal ulcer attributable to Actinomyces species is rare and usually follows corneal trauma. (medscape.com)
  • Inflammation was characterized by anterior segment and vitreous cellular debris in cases of chronic postoperative endophthalmitis associated with Actinomyces species. (medscape.com)
  • Actinomyces species are in general susceptible to penicillin and other beta-lactam antibiotics, as well as to most agents used to treat infections by gram-positive anaerobic rods. (medscape.com)
  • Differences in MICs among Actinomyces species are known, with Actinomyces europaeus and Actinomyces turicensis being the most resistant. (medscape.com)
  • ACTI1 Actinomyces urogenitalis Auro Actinomyces viscosus Avis Actinoplanes auranticolor Aaur2 Actinoplanes brasiliensis Abra Actinoplanes capillaceus Acap2 Actinoplanes cyaneus Acya1 Actinoplanes deccanensis Adec Actinoplanes garbadinensis Agar Actinoplanes humidus Ahum1 Actinoplanes ianthinogenes Aian Actinoplanes kinshanensis Akin Actinoplanes liguriensis Alig1 Actinoplanes missouriensis 431 Amis_0E Actinoplanes missouriensis Amis Actinoplanes pallidoaurantiacus Apal Actinoplanes penicillatus Apen Actinoplanes philippinensis Aphi Actinoplanes purpeobrunneus Apur Actinoplanes pyriformis Apyr Actinoplanes regularis Areg Actinoplanes roseosporangius Aros Actinoplanes sp. (uni-freiburg.de)
  • A. viscosus has also been known to cause lung infections, but only in very few cases. (wikipedia.org)
  • Multiple-week antibiotic therapies have cured actinomycotic infections caused by A. viscosus in every recorded case. (wikipedia.org)
  • Although A. viscosus is difficult to distinguish from other closely related actinomycetes, the general determination of being an actinomycete is sufficient for treatment of infections. (wikipedia.org)
  • Actinomyces and related organisms in human infections. (medscape.com)
  • Microbiological and Clinical Aspects of Cervicofacial Actinomyces Infections: An Overview. (meintrup-dws.de)
  • Actinomyces oris is an early colonizer and has two types of fimbriae on its cell surface, type 1 fimbriae (FimP and FimQ) and type 2 fimbriae (FimA and FimB), which contribute to the attachment and coaggregation with other bacteria and the formation of biofilm on the tooth surface, respectively. (biomedcentral.com)
  • Most people have Actinomyces bacteria in the lining of the mouth, throat, digestive tract, and urinary tract, and it is present in the female genital tract. (symptoma.com)
  • citation needed] A. viscosus causes periodontal disease in animals and has been isolated from human dental calculus and root surface caries, as well as the oral cavity of hamsters and actinomycotic lesions in swine, cats, and dogs. (wikipedia.org)
  • The genus Actinomyces , a member of the family Actinomycetaceae, grows as a fragile branching filament that tends to fragment into bacillary and coccoid forms producing chains of either conidia or arthrospores. (medscape.com)
  • Here we report a case who presented with symptomatic pleural effusion due to opportunistic infection caused by Actinomyces viscosus. (symptoma.com)
  • There may be: a hard, painful swelling in the soft tissue of the mouth, known as a "woody" fibrosis an abscess This is the most common form of infection caused by Actinomyces. (symptoma.com)
  • The Arginine Biosynthesis Pathway of Candida albicans Regulates Its Cross-Kingdom Interaction with Actinomyces viscosus to Promote Root Caries. (bvsalud.org)
  • The cross-kingdom interactions between Candida albicans and Actinomyces viscosus play critical roles in root caries . (bvsalud.org)
  • Here, we first employed 39 volunteers with root caries and 37 caries-free volunteers , and found that the abundances of C. albicans and A. viscosus were significantly increased in the individuals with root caries and showed a strong positive correlation. (bvsalud.org)
  • Identification of Human Strains of Actinomyces viscosus" (PDF). (wikipedia.org)
  • Comparison of phenotypic methods and matrix-assisted laser desorption ionisation time-of-flight mass spectrometry for the identification of aero-tolerant Actinomyces spp. (medscape.com)
  • Published in the Gastroenterology ​ journal, researchers said patients had higher levels of Clostridium hathewayi, Bacteroides nordii, ​ and Actinomyces viscosus ​ compared to the healthy population. (nutraingredients-asia.com)
  • Actinomyces viscosus is a human and animal pathogen/pathobiont which colonises the mouths of 70% of adult humans. (wikipedia.org)
  • We identified 92 clinical strains of Actinomyces, including 13 strains in the related Arcanobacterium-Actinobaculum taxon, by 16S rRNA gene sequence analysis and recorded their biotypes, sources, and disease associations. (nih.gov)
  • Actinomyces lingnae, Actinomyces gravenitzii, Actinomyces odontolyticus, and Actinomyces meyeri were isolated from respiratory specimens, while A. odontolyticus-like strains were isolated from diverse sources. (nih.gov)
  • We describe two immunosuppressed female patients with fever and Actinomyces odontolyticus bacteremia, a combination documented once previously in an immunocompetent male patient. (cdc.gov)
  • Actinomyces viscosus endocarditis requiring aortic valve replacement. (bvsalud.org)
  • Clinical Characteristics of Actinomyces viscosus Bacteremia. (nih.gov)
  • Actinomyces europaeus was associated with skin abscesses of the neck and genital areas. (nih.gov)
  • A. viscosus colonies test positive for catalase and negative for indole. (wikipedia.org)
  • Actinomyces usually produce small, relatively nondescript, clear-to-white colonies. (medscape.com)
  • Under a magnification of 500X, this image depicted the morphologic characteristics displayed by a number of Gram-positive, Actinomyces viscosus bacterial microcolonies, also referred to as spider colonies, which had been cultivated for a time period of 24-hours, on a growth medium of brain heart infusion (BHI) agar, and under anaerobic conditions. (cdc.gov)
  • Under a magnification of 105X, this image revealed the morphologic characteristics displayed by two, Gram-positive, Actinomyces viscosus bacterial colonies, which had been cultivated for a time period of 2-days, on a growth medium of brain heart infusion (BHI) agar, and under anaerobic conditions. (cdc.gov)
  • Most Actinomyces are aerotolerant and catalase and urease negative, and the majority show no pigment production. (medscape.com)
  • Our results suggest that the use of Scatchard and Langmuir plots is inappropriate to describe binding of A. viscosus to SHA. (microbiologyresearch.org)
  • The adhesion of A. viscosus to sHA was found to be fructan-dependent. (huji.ac.il)
  • Although A. viscosus is difficult to distinguish from other closely related actinomycetes, the general determination of being an actinomycete is sufficient for treatment of infections. (wikipedia.org)
  • Treatment with fructanase prior to A. viscosus adhesion resulted in a significant reduction in adhesion to sHA, while adhesion of S. sobrinus, S. mutans and S. gordonii was slightly influenced by fructanase treatment. (huji.ac.il)