4-nitroquinoline-1-oxide-induced resistance to ultraviolet irradiation and nalidixic acid in Enterococcus faecalisстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Местоположение издательства:Road Town, United Kingdom
Первая страница:429
Последняя страница:432
Аннотация:The resistance of Enterococcus faecalis to exposure to 4-nitroquinorine-1-oxide (4-NQO), UV irradiation, and nalidixic acid was shown to increase as a result of reinoculations in medium containing 4-NQO. Irradiation of cells with UV254 (20, 60, or 100 J/m(2)) did not increase their resistance to 4-NQO. The desmutagenic activity of 4-NQO-adapted cells in the case of mutagenesis induced by 4-NQO was higher than in control cells. The mechanism of induced resistance is discussed.