Wiley
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Bacterial sources of putrescine and cadaverine in chill stored vacuum‐packaged beefOf the meat strains of streptobacteria, leuconostocs, Enterobacteriaceae and Brochothrix thermosphacta tested, only Hafnia alvei and Serratia liquefaciens showed diamine‐producing potential during growth in pure culture on beef stored in vacuum packs at 1°C. Both organisms produced cadaverine at concentrations... ...
Wiley - Tập 61 Số 2 - Trang 117-123 - 1986
Induced release of Bacillus spores from sporangia by sodium sulphateIncubation of sporulating cultures of Bacillus anthracis, B. cereus, B. subtilis and B. thuringiensis in 1°0 mol/l sodium sulphate markedly increased the release of free spores from sporangia. It is postulated that the release of spores is due to activation of latent autolysins which hydrolyse sporangial cell walls. Sodium sulphate‐indu... ...
Wiley - Tập 60 Số 4 - Trang 337-339 - 1986
Adenosinetriphosphate (ATP) Levels in Foods Contaminated by BacteriaSummary. ATP levels were determined in micro‐organisms and in foods, either as purchased or after incubation or addition of living bacteria. ATP levels in foods were divided into intrinsic ATP (derived from the original tissue) and microbial ATP. Intrinsic ATP decreased during incubation while bacterial ATP increased. At sufficiently high levels of contamination ATP... ...
Wiley - Tập 33 Số 4 - Trang 758-767 - 1970
Dynamics of orange peel fermentation during ensilageThe dynamics of fermentation during ensilage were studied on orange peel (variety Shamouti) ensiled in 50 plastic containers, 10 kg in each, with an outlet for seepage. At predetermined intervals the containers were weighed and samples were taken from three of them for chemical and microbial analysis. Fermentation losses amounted to up to ca one‐third of the fres... ...
Wiley - Tập 63 Số 4 - Trang 275-279 - 1987
Relationships Amongst the Fast‐growing Rhizobia of Lablab purpureus, Leucaena leucocephala, Mimosa spp., Acacia farnesiana and Sesbania grandiflora and their Affinities with Other Rhizobial GroupsColony characteristics, growth in litmus milk, precipitation in calcium glycerophosphate medium and utilization of carbon sources of the root‐nodule bacteria isolated from the tropical legumes Leucaena, Mimosa, Acacia, Sesbania and Lablab were similar to fast‐growing rhizobia of temperate legumes, particularly Rhizobium mel... ...
Wiley - Tập 49 Số 1 - Trang 39-53 - 1980
Rapid detection of salmonellas in raw meats using a fluorescent antibody‐microcolony techniqueA fluorescent antibody‐microcolony technique was developed for the rapid detection of salmonellas in pure cultures. Examination of microcolonies made the detection of salmonellas by epifluorescence microscopy easier and more reliable than using fluorescent antibody and single cells. After a study of the most effective selective enrichment media for increasing the number of salmonellas, the... ...
Wiley - Tập 68 Số 3 - Trang 213-223 - 1990
An Attempt at Phage Typing in the Genus SerratiaSummary : The present report gives the results of the effect of 10 bacteriophages of Serratia marcescens on 107 strains of the genus Serratia . The phage S103 was the most effective (80% strains lyzed), and the phage PK the least (12% strains lyzed). Only 13 strains were resistant to all the phag...
Wiley - Tập 27 Số 1 - Trang 65-68 - 1964
Heat shock protein synthesis and thermotolerance in Salmonella typhimuriumThe resistance of stationary phase Salmonella typhimurium to heating at 55°C was greater in cells grown in nutritionally rich than in minimal media, but in all media tested resistance was enhanced by exposing cells to a primary heat shock at 48°C. Chloramphenicol reduced the acquisition of thermotolerance in all media but did not completely prevent it in any....
Wiley - Tập 69 Số 3 - Trang 373-383 - 1990
Tổng số: 47
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