Characterization of a Galactose-Specific Lectin from Actinomyces viscosus by a Model Aggregation System
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چکیده
منابع مشابه
A New Galactose-Specific Lectin from Clerodendrum infortunatum
Background: The ethno-medical significance of Clerodendrum genus raises the interest towards the characterization of its seed lectin by inexpensive and most effective technique.Objective: The focus of this study is the purification, characterization, and evaluation of the antioxidant and antiproliferative potential of a galactose-specific lectin from Cler...
متن کاملIdentification of Actinomyces viscosus from canine infections.
Actinomyces viscosus is a gram-positive, non-acid-fact, facultative, catalase-positive, filamentous, or diphtheroidal microorganism. It was isolated from six canine infections during a period of 1.5 years. The organism was cultured from exudate and flaky granules aspirated from infectious granulomas and empyemas. All cultures grew well aerobically and anaerobically with the addition of 10% carb...
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A genomic library of Actinomyces viscosus T14V DNA in lambda gt11 was screened for expression of neuraminidase activities. Four recombinant clones were detected that gave blue fluorescence upon incubation with a fluorogenic substrate, 2'-(4-methylumbelliferyl)-alpha-D-N-acetylneuraminic acid. Of these, two were identical, and all of the neuraminidase-positive clones shared a common 3.4-kbp DNA ...
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Stimulation of superoxide and lactoferrin release from polymorphonuclear leukocytes by the type 2 fimbrial lectin of Actinomyces viscosus T14V.
Polymorphonuclear leukocyte (PMN)-dependent destruction of Actinomyces viscosus T14V is initiated by the recognition of galactose-containing receptors on sialidase-treated PMNs by the lectin associated with the type 2 fimbriae of these bacteria. A. viscosus T14V also stimulates the respiratory burst in PMNs as well as the release of contents of the secondary granules, as determined by the prese...
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ژورنال
عنوان ژورنال: Infection and Immunity
سال: 1982
ISSN: 0019-9567,1098-5522
DOI: 10.1128/iai.38.3.993-1002.1982