Mutation Research, 252 (1991) 313-314 313 © 1991 Elsevier Science Publishers B.V. 0165-1161/91/$03.50

Contents

Volume 252 (1991)

Research Papers Non-random cell killing in cryopreservation: Implications for performance of the battery of leukocyte tests (BLT), I.

Toxic and immunotoxic effects G.H.S. Strauss (U.S.A.)

Inhalation exposure in Drosophila mutagenesis assays: experiments with aliphatic halogenated hydrocarbons, with emphasis on the genetic activity profile of 1,2-dichloroethane P.G.N. Kramers, H.C.A. Mout, B. Bissumbhar and C.R. Mulder (The Netherlands)

DNA sequence analysis of revertants of the hisD3052 allele of Salmonella typhimurium TA98 using the polymerase chain reaction and direct sequencing: Application to 1-nitropyrene-induced revertants D.A. Bell, J.G. Levine and D.M. DeMarini

Micronucleus formation in cultured human keratinocytes following exposure to mitomycin C and cyclophosphamide F.N.A.M. Van Pelt, R.M. Hating, M.J.I. Overkamp and P.J.J.M. Weterings (The Netherlands)

Sources of variability of the Escherichia coli PQ37 genotoxicity assay (SOS chromotest) V. Mersch-Sundermann, S. Kevekordes and S. Mochayedi (F.R.G.)

Test of a semiselective screen for induced aneuploidy in germ cells of Drosophila melanogaster females with structurally normal chromosomes R.C. Woodruff and M.A. Seeger (U.S.A.)

Environmental Mutagen Society of Japan Selected Abstracts of the 18th Annual Meeting, 21-23 November 1989, Tokyo (Japan)

Mutation Research Travel Fellowship 1989

Research Papers The genotoxicities of N-nitrosamines in Drosophila melanogaster in vivo: the correlation of mutagenicity in the wing

spot test with the DNA damages detected by the DNA-repair test T. Negishi, T. Shiotani, K. Fujikawa and H. Hayatsu (Japan)

The application of a wedge perfusion technique to the in vivo-in vitro rat hepatocyte DNA-repair assay J.N. Lawrence, B. Foster and D.J. Benford (Great Britain)

Evaluation of four methods for scoring cytoplasmic grains in the in vitro unscheduled DNA synthesis (UDS) assay P.R. Harbach, H.J. Rostami, C.S. Aaron, S.K. Wiser and C.R. Grzegorczyk (U.S.A.)

Strain differences in in vitro rat hepatocyte unscheduled DNA synthesis (UDS): Effect of UV is independent of strain while increased sensitivity is apparent using Fischer-344 instead of Sprague-Dawley rats P.R. Harbach, S.K. Wiser, A.L. Smith, C.R. Grzegorczyk and C.S. Aaron (U.S.A.)

Frequency of chromosomal aberrations in a subject accidentally exposed to 137Cs in the Goiania (Brazil) radiation accident: intercomparison among four laboratories A.T. Ramalho, A.C.H. Nascimento, L.G. Littlefield, A.T. Natarajan and M.S. Sasaki (Brazil, U.S.A., The Netherlands, Japan)

General strategy for the assessment of genotoxicity R. Fahrig, R. Lang and S. Madle (F.R.G.)

European Environmental Mutagen Society Selected abstracts from the 20th EEMS Annual Meeting 22-27 July 1990, York (U.K.)

Research Papers Comparative mutagenicity testing of bropirimine, 1. Induction of chromosome aberrations in CHO cells is not reflected

in induction of mutation at the TK locus of L5178Y cells C.S. Aaron, T.W. Petty, A. Thilagar, P.V. Kumaroo and P. Kirby (U.S.A.)

Comparative mutagenicity testing of bropirimine, 2. Further characterization and mechanistic investigation of clasto- genesis T.W. Petry, C.S. Aaron, R.G. Ulrich, W.J. Donarski, A. Thilagar and P.V. Kumaroo (U.S.A.)

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Comparative mutagenicity testing of bropirimine, 3. Bropirimine does not induce cytogenetic damage in vivo in the rat but does produce micronuclei in the mouse C.S. Aaron, T.W. Petry, D.G. Branstetter, A.J. Wickrema-Sinha, R. Yu, R. Sorg, A. Thilagar, P.V. Kumaroo, J.P. Sams, B.A. Thornburg, P.K. Brown and R.J. Trzos (U.S.A.)

Relative sensitivity of 32p-postlabelling of DNA and the autoradiographic UDS assay in the liver of rats exposed to 2-acetylaminofluorene (2AAF) J.E. Gallagher, T. Shank, J. Lewtas, P.A. Lefevre and J. Ashby (U.S.A., Great Britain)

Relative sensitivity of 32p-postlabelling of DNA and the autoradiographic UDS assay in the liver of mice exposed to 2-acetylaminofluorene (2AAF) J. Ashby, P.A. Lefevre, T. Shank, ,i. Lewtas and .I.E. Gallagher (Great Britain, U.S.A.)

Optimum associations of tester strains for maximum detection of mutagenic compounds in the Ames test D. Bonneau, V. Thybaud, C. Melcion, F. Bouhet and A. Cordier (France)

Simulation study of the effects of multiple treatments in the mouse bone marrow micronucleus test M. Hayashi, T. Sofuni and T. Morita (Japan)

A rnicrogel electrophoresis technique for the direct quantitation of DNA damage and repair in individual fibroblasts cultured on microscope slides N.P. Sing, h, R.R. Tice, R.E. Stephens and E.L. Schneider (U.S.A.)

Micronucleus test in 2-cell embryos as a simple assay system for human sperm chromosome aberrations Y. Kamiguchi, H. Tateno and K. Mikamo (Japan)

Additional data in support of the quadruplicated white-ioory reversion system to test for somatic genotoxicity in Drosophila rnelanogaster N. Xamena, A. Egido, A. Velgzquez, A. Creus and R. Marcos (Spain)

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