Zobrazeno 1 - 10 of 14 pro vyhledávání: '"J. H. B. Christian"'
1
ICMSF methods study. XVII. An international comparative study of the direct plate and hydrophobic grid-membrane filter methods for enumeration of Escherichia coli in foods
Autor: M. Eyles, E. Delfgou, S. Malcolm, P. A. Gibbs, M. Nafziger, P. Dodsworth, F. O'connor, H. J. Beckers, A. N. Sharpe, N. Malik, D. McLeish, E. Whitehead, L. R. Smith, J. M. Lanier, J. H. B. Christian, M. K. Rayman, S. McLaughlin
Publikováno v: Canadian Journal of Microbiology. 33:85-92
Eight laboratories compared counts of Escherichia coli from naturally or artificially contaminated ground beef, other meats and poultry, vegetables, fish and shellfish, cheese, and diverse sources such as swabs, by the Anderson–Baird-Parker direct
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5dd94fcc5492d179adcebedd681926b3
https://doi.org/10.1139/m87-015
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2
Water Relations of Xerophilic Fungi Isolated from Prunes
Autor: John I. Pitt, J. H. B. Christian
Publikováno v: Applied Microbiology. 16:1853-1858
The predominant spoilage fungi of dried and high-moisture prunes were members of the Aspergillus glaucus group and Xeromyces bisporus. Chrysosporium spp. were also important. At the mean p H of prune flesh (3.8) and at 25 C, X. bisporus grew at water
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::464df37d0768b53f9d0827a2c4586f4d
https://doi.org/10.1128/am.16.12.1853-1858.1968
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3
The Sodium and Potassium Content of Non-Halophilic Bacteria in Relation to Salt Tolerance
Autor: J. H. B. Christian, Judith A. Waltho
Publikováno v: Journal of General Microbiology. 25:97-102
SUMMARY: The sodium and potassium contents of cells of 32 strains of non-halophilic bacteria were determined after growth in a standard medium of low salt content. The salt tolerance of each strain was assessed by determining the lowest water activit
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::62dcf7fe507455cae031bf4556b262d9
https://doi.org/10.1099/00221287-25-1-97
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4
Lysis of Vibrio costicolus by Osmotic Shock
Autor: M. Ingram, J. H. B. Christian
Publikováno v: Journal of General Microbiology. 20:32-42
SUMMARY: Suspensions of the halophilic organism Vibrio costicolus lysed when subjected to sufficient osmotic shock; this was revealed as a marked fall in optical density. Organisms in the logarithmic phase of growth, grown in media containing m-NaCl,
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::beb437a0d625ecdbb93bbf8dbda305e2
https://doi.org/10.1099/00221287-20-1-32
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7
The freezing points of bacterial cells in relation to halophilism
Autor: M. Ingram, J. H. B. Christian
Publikováno v: Journal of general microbiology. 20(1)
SUMMARY: The hypothesis that halophilic bacteria achieve a high degree of salt tolerance by exclusion of much of the external solutes of the growth medium has been tested. Organisms were grown in media containing from 1 to 4 m salts. For both halophi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5a24fad0fb034150f237ef251407728b
https://pubmed.ncbi.nlm.nih.gov/13631179
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8
THE COMPOSITION OF STAPHYLOCOCCUS AUREUS IN RELATION TO THE WATER ACTIVITY OF THE GROWTH MEDIUM
Autor: Judith A. Waltho, J. H. B. Christian
Publikováno v: Journal of general microbiology. 35
Summary: Staphylococcus aureus organisms, grown in basal medium of water activity (aw) 0·993 and in basal medium adjusted to several different aw values by addition of NaCl, were analysed for the following components: sodium, potassium, calcium, mag
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d81e368835d24a778818328634fc39f7
https://pubmed.ncbi.nlm.nih.gov/14179669
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9
Heat resistance of xerophilic fungi based on microscopical assessment of spore survival
Autor: J. I. Pitt, J. H. B. Christian
Publikováno v: Applied microbiology. 20(5)
An improved viable counting technique was developed to facilitate study of the heat resistance of fungal spores. Spores were heated and subsequently incubated in the same medium. After germination, hyphae and germ tubes were stained with lactofuchsin
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::417216f5125709083ea31a39feedffd2
https://pubmed.ncbi.nlm.nih.gov/5485080
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