Molecular analysis of tet(W) gene-mediated tetracycline resistance in dominant intestinal Bifidobacterium species from healthy humans

Article Abstract:

A study found tet(W) responsible for tetracycline resistance {MICs 4 to (greater than or equal to) 32 [mu]g [ml.sup.-1]} in dominant bifidobacterial species from the gastrointestinal tracts of healthy humans. The gene from Bifidobacterium longum H66 proved to be identical over 2.6-kbp region on the described tet(W) determinant of Butyrivibrio fibrisolvens.

Pharmaceutical Preparation Manufacturing, Pharmaceutical preparations, Tetracycline Preparations, Physiological aspects, Molecular microbiology, Tetracycline, Tetracyclines

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Bifidobacteria in feces and environmental water

Article Abstract:

The occurrence and molecular diversity of bifidobacteria, which are potential indicators of human fecal pollution in surface waters, are studied in different animals and environmental waters. The results have shown that the use of bifidobacterial species as potential markers to monitor human fecal pollution in natural waters might be questionable.

Usage, Environmental aspects, Polymerase chain reaction, Organic water pollutants, Organic water pollution

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