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Rapid detection of mutagens accumulated in plant tissues using a novel Vibrio harveyi mutagenicity assay.

Abstract：

:Detection of mutagenic pollution in natural environment is difficult as there are thousands of known chemical mutagens, and they have mutagenic effects usually at very low concentrations. Plants are able to accumulate various substances, including mutagens, in their tissues. Here, we demonstrate that rapid detection of mutagenic activities of compounds accumulated in plant tissues is possible using a recently developed microbiological mutagenicity assay, based on induction of bioluminescence of a dim mutant of a marine bacterium Vibrio harveyi. Using this assay, it was possible to detect mutagenic activity in extracts from relatively small amounts of tissues (1.5 g) collected from plants, which were cultured in vitro for 30 days in the presence of nano-molar concentrations of various chemical mutagens. Moreover, contrary to control samples, cultured in vitro without any mutagens, significant mutagenicity was detected in several extracts of plant tissues collected from natural environment. The whole procedure was as short as 4 h or less.

journal_name

Ecotoxicol Environ Saf

journal_title

Ecotoxicology and environmental safety

authors

Podgórska B,Królicka A,Lojkowska E,Wegrzyn G

doi

10.1016/j.ecoenv.2007.04.004

subject

Has Abstract

pub_date

2008-06-01 00:00:00

pages

231-5

issue

2

eissn

0147-6513

issn

1090-2414

pii

S0147-6513(07)00076-0

journal_volume

70

pub_type

杂志文章

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