We have studied the global changes which are induced in exponentially growing cultures of Escherichia coli during treatment with 7-methoxy-2-nitronaphtho[2,1-b]furan (R7000), a very potent mutagen and inducer of the SOS response. A two-dimensional analysis of the proteins synthesized in the
2-Nitro-oxaphenalenes are synthetic chemicals which were synthesized in the authors' laboratory. They are the most efficient mutagenic compounds on mammalian cells in culture. They are chemically related to the nitro-naphthofuran family by the displacement of the heterocycle on the naphthalene
Comptes rendus des seances de l'Academie des sciences. Serie III, Sciences de la vie, 296(6), 283-286 (1983-01-01)
We have studied the in vitro malignant progression of human lymphoid cells by the combined effect of genetic, viral and mutagenic factors. A lymphoblastoid cell line immortalized by Epstein-Barr virus was used; it was derived from a patient suffering from
Xenobiotica; the fate of foreign compounds in biological systems, 15(2), 141-148 (1985-02-01)
The disposition of 7-methoxy-2-nitronaphtho[2,1-b]furan (MNNF), labelled with 14C in the furan ring (label 1) and in the methoxy group (label 2) has been studied in rats and mice. After i.p. administration to rat (5 mg/kg), both labelled species were absorbed
DNA adducts that block replication, induced in vivo by the 5-nitrofuran derivative R7000 (7-methoxy-2-nitronaphtho[2, 1-b]-furan) were mapped, at nucleotide resolution, in a region of the lacI gene of Escherichia coli, using a reiterative primer extension assay [D. Chandrasekhar, B. Van
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