Literature DB >> 6654767

Sorbitol-fermenting bifidobacteria as specific indicators of human faecal pollution.

D D Mara, J I Oragui.   

Abstract

Bifidobacteria were consistently present in the faeces of both man and pigs but only occasionally in the faeces of cattle and sheep, and they were not isolated from faecal samples from other animals; total counts of bifidobacteria were obtained by membrane filtration with YN-17 medium, a modification of Resnick and Levin's YN-6 medium. Mannitol-fermenting strains of bifidobacteria were isolated from both human and animal faeces, but sorbitol-fermenting strains were obtained only from human samples. These sorbitol-fermenting strains were identified as either Bifidobacterium adolescentis or B. breve and their numbers were obtained by membrane filtration of Human Bifid Sorbitol agar (HBSA). Sorbitol-fermenting bifidobacteria are specific indicators of human faecal pollution of waters and wastewaters.

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Year:  1983        PMID： 6654767     DOI： 10.1111/j.1365-2672.1983.tb01331.x

Source DB:  PubMed          Journal:  J Appl Bacteriol        ISSN： 0021-8847


  18 in total

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