- Volume 14, Issue 1, 1964
Volume 14, Issue 1, 1964
- Articles
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A taxonomic study of Erwinia amylovora (Burrill 1882) Winslow et al. 1920
T. MARTINEC and M. KOCURSUMMARYIn the present report we give the results of our studies of the morphological, cultural, and biochemical properties of 49 strains of Erwinia amylovora. On the basis of our results, we propose a new description of this species. The following tests are most suitable for the differentiation of E. amylo-vora from other species of the genus Erwinia: pectinase, lactose, and the reduction of nitrates. We recommend that the strain BS 1114 (NCPPB 683) be considered a neotype.
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Classification of the “Coliform” serotypes 792 AND 147
More LessSUMMARYSerotypes 792 and 147 should be classified within Shigella subgroup D. Provirional denomination S. scholtensii is proposed for serotype 792 and S. manolovii for serotype 147.
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Comments on the first results of the international cooperative work on criteria used in characterization of Streptomycetes
More LessSUMMARYIn the characterization of the taxonomic criteria of Streptomyces species, or so-called “species groups,” the property in question is to be defined considering the extreme polymorphism of these organisms, and taking into account all sources of error, and problems which may arise in the course of identification. Based upon their own investigations and analysing the summarised data of the cooperative work, the authors came to the conclusion that the properties assigned by the Subcommittee to be studied can be separated with certainty only according to the following scheme:
Morphology of sporophores: 1. Rectus flexibilis. 2. Spira. 3, Verticiilatus rectus flexibilis. 4, Verticillatus spira.
Colour of substratum mycelia: 1, Yellowbrown. 2, Yellow-brown + red. 3, Yellow-brown + blue (blue or violet or red-blue with indicator-character). 4, Yellow-brown + green.
Colour of aerial mycelium (more precisely that of spores): 1, Niveus (snow-white). 2, Griseus (yellowish to greenish - grey). 3, Venetus (blue-grey to blue-green to green-grey). 4, Cinereus (ash-grey). 5, Cinnamoneus (light carmine to brownish). The possible confusion of the spore-colours “griseus” and “venetus” may be eliminated by the simultaneous study of four other properties (i. e. structure of sporophores, melanin - reaction, habits of the aerial mycelium, spore surface), as the latter occur in characteristic combinations with these spore colour-groups.
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Micrococcus eucinetus n. sp
More LessABSTRACTA flagellated coccus is described which has the morphologic and physiologic characteristics of the genus Micrococcus. The organism was isolated from a marine clam but is not strictly halophilic. The characteristics are sufficiently different from those of previously described micrococci to justify a new species.
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Comments on the species Staphylococcus epidermidis (Winslow and Winslow) Evans and Staphylococcus saprophyticus Fairbrother 1
More LessABSTRACTThe nomenclature and characterization of Staphylococcus epidermidis (Winslow and Winslow 1908) Evans, 1916 and Staphylococcus saprophyticus Fairbrother, 1940 are reviewed. It is apparent that these names have been applied to one and the same species and are therefore subjective synonyms. On the basis of priority, Staphylococcus epidermidis is the correct name of this species.
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- Editorial Board
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Volumes and issues
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Volume 74 (2024)
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Volume 28 (1978)
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Volume 14 (1964)
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Volume 1 (1951)