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Euplotes eurystomus is a hypotrichous ciliate containing a transcriptionally active macronucleus (MAC) and a transcriptionally inactive micronucleus. Soluble MAC chromatin contains a normal complement of inner histones, an H1-like protein which is very sensitive to proteolysis, and a considerable proportion of non-histone proteins. A combination of N-Tosyl(More)
The thymine analog 5-chlorouridine, first reported in the 1950s as anti-tumor agent, is known as an effective mutagen, clastogen and toxicant as well as an effective inducer of sister-chromatid exchange. Recently, the first microorganism with a chemically different genome was reported; the selected Escherichia coli strain relies on the four building blocks(More)
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