منابع مشابه
Direct Utilization of Maltose by Escherichia Colt*
In the course of genetic studies, a mutant. strain of Escherichia coli was developed which is characterized by rapid fermentation and oxidat.ion of maltose but not of glucose. Since this mutant offered an excellent opportunity to invest,igat,e the so called direct utilization of disaccharides (l), a study of the enzyme systems involved in maltose decomposition was undertaken. Experiments with d...
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Strains of the Lactobacillus casei group have been extensively studied because some are used as probiotics in foods. Conversely, their phages have received much less attention. We analyzed the complete genome sequences of five L. paracasei temperate phages: CL1, CL2, iLp84, iLp1308, and iA2. Only phage iA2 could not replicate in an indicator strain. The genome lengths ranged from 34,155 bp (iA2...
متن کاملMorphological and genetic diversity of temperate phages in Clostridium difficile.
Eight temperate phages were characterized after mitomycin C induction of six Clostridium difficile isolates corresponding to six distinct PCR ribotypes. The hypervirulent C. difficile strain responsible for a multi-institutional outbreak (NAP1/027 or QCD-32g58) was among these prophage-containing strains. Observation of the crude lysates by transmission electron microscopy (TEM) revealed the pr...
متن کاملGrouping of RNA phages based on the template specificity of their RNA replicases.
We attempted to apply a new criterion, the template specificity of RNA replicases of Escherichia coli RNA phages, for the grouping of these phages. Based on the template specificity, it was shown that (a) Qbeta, VK, and ST belonged to one group (group III), and SP and FI to another group (group IV), and (b) some similarity existed between groups III and IV. Considering such template specificity...
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ژورنال
عنوان ژورنال: The Journal of General and Applied Microbiology
سال: 1971
ISSN: 1349-8037,0022-1260
DOI: 10.2323/jgam.17.63