Corynebacterium spp characteristics

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August undefined, 2024

WebDiphtheria is an acute pharyngeal or cutaneous infection caused mainly by toxigenic strains of the gram-positive bacillus Corynebacterium diphtheriae and rarely by other, less common Corynebacterium species. … WebFeb 18, 2024 · Antibiotics are the treatment of choice for nondiphtherial corynebacteria infections. Many species and groups are sensitive to various antibiotics, including penicillins, macrolide antibiotics,...

Corynebacterium - an overview ScienceDirect Topics

WebObjectives: Corynebacterium spp. are becoming recognized as pathogens that potentially cause various infections. We aimed to evaluate the clinical characteristics associated with Corynebacterium spp. bacteremia. WebDiscuss the history and general characteristics of Corynebacterium species. Discuss species shown to cause infections. List primary sources and modes of infections. Explain traditional biochemical testing, current testing using mass spectrometry (Maldi-TOF), and other methods. Discuss susceptibility testing options and treatment recommendations. condos for sale in seven hills oh

Corynebacterium species Johns Hopkins ABX Guide

WebMar 5, 2024 · The vast majority of Corynebacterium spp. are nonpathogenic; however, C. diphtheria is the causative agent of diphtheria, a disease that can be ... (Figure \(\PageIndex{6}\)). The colonies contained AFB showing the same microscopic characteristics as those revealed during the direct microscopic examination of Marsha’s … WebFeb 4, 2024 · Corynebacterium species are facultative anaerobic nonsporulating Gram-positive bacilli. In recent years, nondiphterial Corynebacterium (diphtheroids) have been increasingly acknowledged for causing both localized and systemic infections. [ 1, 2 ]. The principal features of the genus Corynebacterium were described by Collins and Cummins, for Coryn Taylor in 1986. They are gram-positive, catalase-positive, non-spore-forming, non-motile, rod-shaped bacteria that are straight or slightly curved. Metachromatic granules are usually present representing stored phosphate regions. Their size falls between 2 and 6 μm in length and 0.5 μm in diameter. The bacteria group together in a characteristic way, which has been described as the … eddington nc

Corynebacterium spp. - problematic pathogens of the human …

4.4 Gram-Positive Bacteria - Microbiology OpenStax

WebTo determine differences in clinical characteristics of patients with bacteremia caused by Corynebacterium striatum, C. jeikeium, and other species of Corynebacterium, we retrospectively reviewed medical records of patients in Japan who had Corynebacterium bacteremia during January 2014–May 2024. Of the 115 records evaluated, 60 (52%) … WebApr 8, 2024 · Other body sites with these characteristics include the lower respiratory tract or the female upper genital tract [11,107]. Clinical samples with a low biomass microbiota are, therefore, ... The most common genera were Corynebacterium spp., Staphylococcus spp., Streptococcus spp., Acinetobacter spp., and Pseudomonas spp. condos for sale in seven fields paWebOct 7, 2024 · But some species, such as Bacillus subtilis, form chains (streptobacilli); others, such as Beggiatoa and Saprospira species, form trichomes (which are similar to chains but have a much larger area of … condos for sale in sea monarch

"WebFeb 18, 2024 · Corynebacteria (from the Greek words koryne, meaning club, and bacterion, meaning little rod) are gram-positive, catalase-positive, aerobic or facultatively anaerobic, generally nonmotile rods. The genus contains the species Corynebacterium diphtheriae and the nondiphtherial corynebacteria, collectively referred to as diphtheroids. " - Corynebacterium spp characteristics

Corynebacterium spp characteristics

Isolation and characterization of Corynebacterium …

WebMay 8, 2024 · Corynebacterium diphtheriae (see separate module) Non-diphtherial species also referred to as "diphtheroids." Classification of this group now based on RNA homology rather than within the previous ... Many are part of normal human skin flora. WebDec 13, 2024 · Clinical characteristics and Corynebacterium spp. in the blood-culture positive cases Of the 165 cases evaluated, 77 (46.7%) belong to the true-bacteremia …

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WebAug 25, 2016 · 1. Describe the general characteristics of the Corynebacterium spp., including Gram stain morphology, culture media, and... 2. List two selective and differential media used for identification … WebBrevibacterium is of interest industrially because it produces various products such as AA (especially glutamic acid and lysine) and enzymes important to cheese ripening. Hence, pure culture characteristics are described in terms of their use in cheese. B. linens is a non-motile, non-spore-forming, non-acid-fast, Gram-positive obligate aerobe with a …

WebMay 21, 2015 · Other urease positive Corynebacterium species can be differentiated from C. urealyticum because they produce acid from glucose, except C. pseudodiphtheriticum which is weakly urease positive and asaccharolytic, yet unlike C. urealyticum it is nonlipophilic and nitrate positive, 17 Table 3 shows the biochemical characteristics of … WebIt has recently been recognised as an emerging pathogen although the genus of Corynebacterium is not usually considered to be pathogenic. Particularly in the context …

WebClinical Characteristics of Corynebacterium Bacteremia Caused by Different Species, Japan, 2014–2024. citations. EID Journal Metrics on Scopus. Introduction. Abstract. … WebMar 24, 2024 · The Corynebacterium is a genus of bacteria of growing clinical importance. Progress in medicine results in growing population of immunocompromised patients and …

WebApr 24, 2024 · The aim of this study was to clarify the clinical and microbiological characteristics of Corynebacterium bacteremia in hematological patients. We retrospectively reviewed the medical records of patients with Corynebacterium bacteremia from April 2013 to June 2024. The causative Corynebacterium species were identified …

WebNov 25, 2024 · Corynebacterium diphtheriae: chromosome 2,488,635 bp; 2320 predicted ORFs (Cerdeno-Tarraga et al. 2003) Cell morphology: Rod-shaped cells; irregular, club … condos for sale in sea woods nsbWebAug 13, 2024 · Corynebacterium spp. - representatives of the normal microflora of the human body, but their role in the development of diseases in both immunocompromised and immunocompetent patients is known. Corynebacterim spp. (C. pseudodiphtheriticum, C. striatum, C. amycolatum, C. accolens, C. argentoratense, etc.) is associated with … eddington postcodeWebOct 12, 2024 · This is a toxin-mediated disease which affects the region of the respiratory tract, generally characterized by the presence of an inflammatory pseudomembrane on the tonsils, oropharynx, and pharynx manifesting sore throat, fever, and some cases able to achieve death ( Hadfield et al., 2000 ). condos for sale in seaglass bonita bay condos for sale in shadybrookWebApr 24, 2024 · Collectively, these reports suggest that Corynebacterium species could cause bloodstream infections in immunocompromised patients not only via catheter … eddington post office hoursWebGENERAL CHARACTERISTICS - Gram-positive, pleomorphic, straight or slightly curved, thin rods that are tapered or sometimes have club-shaped ends - cells are arranged … condos for sale in shelbyWebJul 18, 2016 · The Corynebacterium species belong to the Corynebacteriaceae family of the Actinomycetales order. They are small, short, pleomorphic Gram-positive rods (about 0.5 µm in width) that occur … condos for sale in shelby ohio