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Assessment of DNA strand breaks induced by bleomycin in barley by the comet assay

✍ Scribed by Mariyana Georgieva; Lubomir Stoilov

Publisher
John Wiley and Sons
Year
2008
Tongue
English
Weight
318 KB
Volume
49
Category
Article
ISSN
0893-6692

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✦ Synopsis

Abstract

Comet assay was applied to study induction and repair of DNA damage produced by bleomycin in barley genome. Experimental conditions were adapted to achieve efficient detection of both DNA single‐ and double‐strand breaks. Substantial increase of the parameter “% of DNA in tail” was observed coupled with almost linear dependence from bleomycin concentration, more pronounced for the induction of DNA double‐strand breaks. Data obtained at different recovery periods displayed rapid restoration of breakage, revealing that efficient mechanisms for repair of strand discontinuities induced by bleomycin are functional in barley DNA loop domains. Environ. Mol. Mutagen., 2008. © 2008 Wiley‐Liss, Inc.

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