Production of hydrolytic enzymes by oral isolates ofEikenella corrodens
نویسندگان
چکیده
منابع مشابه
Hydrolytic enzymes of Moraxella bovis.
Certain strains of Moraxella bovis produce tissue-damaging enzymes which may initiate or potentiate infectious bovine keratoconjunctivitis. Thirteen reference strains of this species were characterized physiologically and screened for production of various enzymes by some conventional biochemical tests and the API ZYM system (Analytab Products, Plainview, N.Y.). All 13 strains were hemolytic. A...
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The capability of the plant pathogenic fungus Myrothecium verrucaria to produce extracellular hydrolytic enzymes in submerged cultures was studied using several substrates. The fungus was able to produce different depolymerases and glycosidases, being xylanase, pectinase and protease the most important. Lipase was found in cultures developed in the presence of olive oil, while protease activity...
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Understanding the function of Trichoderma species in the control of Phytophthora drechsleri in pistachio orchards is very important. In this study, the effects of liquid extra-cellular secretions and volatile compounds secreted by 27 isolates of Trichoderma harzianum, T. crassum, T. koningii, T.aureoviride, T. asperellum, T. brevicompactum, T.longibrachiatum and T. virens were investigated on ...
متن کاملIsolation and purification of endotoxin by hydrolytic enzymes.
Various commercial hydrolases were used in an attempt to degrade the endotoxic lipopolysaccharide macromolecule. Some inert components, such as peptides and nucleic acids, could be removed from endotoxin preparations. As a result, endotoxic activity, measured by pyrogenicity, Shwartzman reaction, and mouse lethality, was increased. The remarkable resistance of endotoxin to hydrolases led to the...
متن کاملThe inhibition of hydrolytic enzymes by organophosphorus compounds.
It has been shown that several hydrolytic enzymes with different specificities undergo similar reactions with diisopropyl phosphorofluoridate (1) and other related toxic organophosphorus compounds (2). These conclusions were based on kinetic studies, particularly the influence of pH on the rates of reaction, and on inhibition characteristics. Reactions of this type have provided a unique method...
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ژورنال
عنوان ژورنال: FEMS Microbiology Letters
سال: 1994
ISSN: 0378-1097,1574-6968
DOI: 10.1111/j.1574-6968.1994.tb07203.x