PMID: 12088718Jun 29, 2002Paper

Lycopersicon assays of chemical/radiation genotoxicity for the study of environmental mutagens

Mutation Research
W F Grant, E T Owens

Abstract

From a literature survey, 21 chemicals are tabulated that have been evaluated in 39 assays for their clastogenic effects in Lycopersicon. Nineteen of the 21 chemicals are reported as giving a positive reaction (i.e. causing chromosome aberrations). Of these, five are reported positive with a dose response. In addition, 23 assays have been recorded for six types of radiation, all of which reacted positively. The results of 102 assays with 32 chemicals and seven types of radiation tested for the induction of gene mutations are tabulated, as well as 20 chemicals and/or radiation in combined treatments. The Lycopersicon esculentum (2n=24) assay is a very good plant bioassay for assessing chromosome damage both in mitosis and meiosis and for somatic mutations induced by chemicals and radiations. The Lycopersicon bioassay has been shown to be as sensitive and as specific an assay as other plant genotoxicity assays, such as Hordeum vulgare, Vicia faba, Crepis capillaris, Pisum sativum and Allium cepa and should be considered in further studies in assessing clastogenicity. Tests using L. esculentum can be made for a spectrum of mutant phenotypes of which many are identifiable in young seedlings.

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Oct 4, 2005·Acta Biologica Hungarica·F Kaymak, F D Gökalp Muranli
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Related Concepts

Autosome Abnormalities
Environmental Pollutants
Karyotype Determination Procedure
Mutagenicity Tests
Clastogens
Polyploid Cell
Tomatoes

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