Sequence variation among Group III F-specific RNA coliphages from water samples and swine lagoons
Article Abstract:
The genetic diversity among group III F-specific RNA (FRNA) phage strains were isolated from swine lagoons, municipal wastewater and surface waters and studied. A demonstration that nucleotide sequencing of closely related FRNA strains could be used to help trace sources of contamination in surface waters and typing of F-specific RNA (FRNA) coliphages is a useful method for distinguishing human from animal fecal contamination in environmental samples is presented.
Publication Name: Applied and Environmental Microbiology
Subject: Biological sciences
ISSN: 0099-2240
Year: 2006
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Genotypic diversity of Haemophilus parasuis field strains
Article Abstract:
Partial sequences of hsp60 and 16S rRNA genes from 103 strains of Haemophilus parasuis and other related species to obtain a better classification of the strains and the correlation with virulence were analyzed. The analysis of the hsp60 and 16SrRNA gene sequences disclosed the presence of a separate lineage of virulent strains and indicated the occurrence of lateral gene transfer among Haemophilus parasuis and dActinobacillus strains.
Publication Name: Applied and Environmental Microbiology
Subject: Biological sciences
ISSN: 0099-2240
Year: 2006
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Male-specific coliphages as indicators of thermal inactivation of pathogens in biosolids
Article Abstract:
Male-specific ([F.sup.+]) coliphages were proposed as a candidate indicator of fecal contamination and of virus reduction in waste treatment. It is found that the ([F.sup.+]) DNA coliphage reductions during thermophilic anaerobic digestion were probably related to mechanisms other than thermal inactivation.
Publication Name: Applied and Environmental Microbiology
Subject: Biological sciences
ISSN: 0099-2240
Year: 2006
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