Improved Listeria monocytogenes selective agar
نویسندگان
چکیده
منابع مشابه
Replica plating of colonies from Listeria-selective agars to blood agar to improve the isolation of Listeria monocytogenes from foods.
Bacterial colonies from Listeria-selective agars were replica plated to sheep blood agar to screen for beta-hemolysis. By using the replica plating method to test for the beta-hemolytic characteristic of all the colonies growing on Listeria-selective agars instead of picking 3 to 10 suspected colonies for further testing, we recovered Listeria monocytogenes from 59 of 142 Listeria-selective aga...
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Membrane filtration is widely used for sterile filtration, flowthrough immuno-filtration, virus removal, and microbiological analysis.1,2,3,4,5,6 Prior work has described membranes that retain one protein over others.7,8 The purpose of this work is to capture a target species of living cells from a mixed population of microorganisms being concentrated in the retentate of solution being pushed t...
متن کاملDETERMINATION OF DOMINANT SEROVARS OF LISTERIA MONOCYTOGENES
Serovars of Lisreria l1Iollocyrogelles were determined. Sera of aborted samples (200) were collected from different hospitals in Tehran and were tested serologically by immunofluorescent antibody methods (IF tests). 137 positive sera were identified. Positive sera were tested against 12 serovars of Listeria l1Iollocytogelles separately. Titers of antibody in patients' sera for all serovars ...
متن کاملThe Efficiency of UVC Radiation in the Inactivation of Listeria monocytogenes on Beef-Agar Food Models.
The aim of this study is to evaluate the effect of meat content and surface smoothness on the deactivation of Listeria monocytogenes in beef-agar food models achieved by shortwave ultraviolet (UVC) light. Food models with various meat contents were made using chopped beef slices and agar solution. Prepared models together with a Listeria selective agar (LSA) plate and a slice of cooked beef wer...
متن کاملInactivation of Listeria monocytogenes on agar and processed meat surfaces by atmospheric pressure plasma jets.
An apparatus for generating atmospheric pressure plasma (APP) jet was used to investigate the inactivation of Listeria monocytogenes on the surface of agar plates and slices of cooked chicken breast and ham. He, N₂ (both 7 L/min), and mixtures of each with O₂ (0.07 L/min) were used to produce the plasma jets. After treatment for 2 min with APP jets of He, He + O₂, N₂, or N₂ + O₂, the numbers of...
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ژورنال
عنوان ژورنال: Applied and Environmental Microbiology
سال: 1986
ISSN: 0099-2240,1098-5336
DOI: 10.1128/aem.52.5.1215-1217.1986