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Fluorescent antibody enumeration of Vibrio cholerae in the marine environment. ArchiMer
Brayton, P; Roszak, D; Palmer, L; Huq, S; Gimes, D.
From microcosm studies, V. cholerae and related potential human pathogens enter a viable but nonculturable state. Direct viable counts by epifluorescent microscopy consistently remain higher than corresponding plate counts. Thus, the assumption that pathogens "die-off" or "decay" in the marine environment must be re-evaluated, since stressed or nutrient-starved cells are unable to grow and be enumerated by standard plate count methods. Indirect immunofluorescent microscopy offers a more sensitive detection system for environment sampling for human pathogens. Field indicate that cultures positive for V. cholerae O1 are also positive by fluorescent antibody staining; however, the reverse was not necessarily true. By adapting epifluorescent techniques for...
Tipo: Text Palavras-chave: Vibrio cholerae; Bacteria; Experimental research; Marine environment; Pathogenic bacteria; Microbial contamination; Fluorescence microscopy; Bacterial counters; Pollution detection.
Ano: 1984 URL: http://archimer.ifremer.fr/doc/1984/acte-1000.pdf
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