DNA breakage caused by dimethyl mercury and its repair in a slime mould, Physarum polycephalum

Details DNA breakage caused by dimethyl mercury and its repair in a slime mould, Physarum polycephalum DNA breakage caused by dimethyl mercury and its repair in a slime mould, Physarum polycephalum

Oct 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975natur.257..422y&link_type=abstract

Nature, Volume 257, Issue 5525, pp. 422-423 (1975).

Physics

Scientific paper

A PRELIMINARY report from our laboratory showed that dimethyl mercury produced a radiomimetic breakage of slime mould DNA and suggested that the damage was repaired enzymatically1. This communication further characterises the DNA damage and establishes that breakage is independent of DNA replication. It provides conclusive evidence for the existence of a dimethyl mercury repair system and shows that strains of Physarum differing in geographical origin have widely different sensitivity to dimethyl mercury damage.

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