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Corynebacteriophages

Webthat some of these corynebacteriophages lost their activity relatively rapidly when held at 4° C. as liquid bacteria-free filtrates of lysed bacterial cultures. Considerable loss of titre also occurred when such filtrates were distributed in 0-25 ml. amounts in sealed glass ampoules an —d store 25° C. Howeverd at , no loss of activity WebWe found that infection by any of the three closely related corynebacteriophages may give rise to single, double, and triple lysogens. In the case of toxigenic C. diphtheriae strains C7s(beta tox+) and C7s(omega tox+), the final yields of diphtheria toxin produced under optimal conditions were equivalent and varied by one-, two-, or threefold ...

Restriction map of corynebacteriophages beta c and beta vir and ...

WebJun 21, 1998 · STRUCTURE OF APO-AND HOLO-DIPHTHERIA TOXIN REPRESSOR. The diphtheria toxin repressor (DtxR) from Corynebacterium diphtheriae is a divalent metal-activated repressor of chromosomal genes that encode proteins responsible for siderophore-mediated iron uptake and also of the gene of certain corynebacteriophages that … WebMay 15, 2009 · A method of freeze-drying is described by which the activity of a series of corynebacteriophages was maintained over a test period of 30 months, whereas some … cin stand for medical https://womanandwolfpre-loved.com

Pathogens Free Full-Text New Corynebacterium Species with the ...

WebJul 22, 2015 · Corynebacterium diphtheriae is the etiological agent of diphtheria, an upper respiratory disease mainly affecting children. The virulence factors (most specifically diphtheria toxin) have been studied … WebOct 1, 1978 · Corynebacteriophages beta and gamma are closely related but heteroimmune; hence, gamma reproduces in C7(beta). A series of gamma mutants, designated gamma-bin (beta-inhibited), has been isolated. They reproduce in only 2 to 14% of infected C7(beta) cells, and, as a result, plaque with an efficiency of 10(-4) to 10(-5) on … WebFeb 18, 2024 · The goal is both to kill the organism and to terminate toxin production. Many antibiotics are effective, including penicillin, erythromycin, clindamycin, rifampin, and tetracycline; erythromycin or penicillin is the … dialight sustainability report

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Category:Corynebacteriophage Article about corynebacteriophage by The …

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Corynebacteriophages

What is the optimum pH for Corynebacterium diphtheriae in a …

WebA series of mutants derived from the temperate corynebacteriophages beta (tox+), gamma (tox-), and L (tox+) was isolated and characterized. In three-factor crosses … WebNational Center for Biotechnology Information

Corynebacteriophages

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WebDeoxyribonucleic acids (DNAs) from wild-type and mutant strains of beta-converting and gamma-nonconverting corynebacteriophages were isolated and physically characterized. The data obtained from DNA heteroduplexes, restriction enzyme banding profiles, and restriction maps reinforce the conclusion th … Webcorynebacteriophage [ ¦kȯr·ə‚nē·bak′tir·ē·ə‚fāzh] (virology) Any bacteriophage able to infect Corynebacterium species. McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, …

WebOct 30, 2024 · Corynebacterium pseudotuberculosis is the etiological agent of ulcerative lymphangitis in equines, mastitis in dairy cattle, oedematous skin disease in buffalos, or abscesses and caseous lymphadenitis (CLA) in small ruminants, such as … WebDec 6, 2016 · The Actinobacteriophage Database (PhagesDB) is a comprehensive, interactive, database-backed website that collects and shares information related …

WebJan 5, 2015 · Two toxigenic Corynebacterium ulcerans isolates recovered from pharyngeal swabs of two patients from the same hospital in Japan during 2001-2002 were characterized by PFGE and ribotyping. Toxin... WebJul 11, 2024 · Corynebacterium ulcerans, one of three species of Corynebacterium (in addition to C. diphtheriae and C. psuedotuberculosis) that can harbor the diphtheria toxin–producing gene was initially …

WebJun 21, 1998 · The diphtheria toxin repressor (DtxR) from Corynebacterium diphtheriae is a divalent metal-activated repressor of chromosomal genes that encode proteins responsible for siderophore-mediated iron uptake …

WebNumber of results to display per page. 10 per page . 10 per page; 20 per page; 50 per page; 100 per page; View results as: dialight tech supportWebA corynebacteriophage (or just corynephage) is a DNA -containing bacteriophage specific for bacteria of genus Corynebacterium as its host. [1] dialight traffic ledWebBoth corynebacterial strains contained two distinct bacterial attachment sites (attB1 and attB2). We found that infection by any of the three closely related … c# instantiate abstract classWebcorynebacteriophages was maintained over a test period of 30 months, whereas some of these strains became inactive if stored as liquid filtered lysates at 4° C., or frozen and … dialight traffic signalsWebG. Betts, in Food Spoilage Microorganisms, 2006 23.3.3 Corynebacterium General characteristics and taxonomy Natural habitat. Corynebacterium are widely spread in the … dialight tower lightsWebThe presence of the tox+ marker in genetically unrelated corynebacteriophages poses many questions concerning the origin (s) of tox+ and the evolution of the phage-host interactions which determine the ability of corynebacteria to synthesize diphtherial toxin. Free full text J Virol. 1970 Jun; 5 (6): 783–794. doi: 10.1128/jvi.5.6.783-794.1970 dialight toggle switchWebOct 7, 2016 · Both corynebacterial strains contained two distinct bacterial attachment sites (attB1 and attB2). We found that infection by any of the three closely related … dialight us