MUTATIONAL EVENTS AFTER RECURRENT OR CHRONIC EXPOSURES OF MUTAGENIC AND PROMUTAGENIC N-NITROSO COMPOUNDS TO A HETEROZYGOUS TOBACCO TESTER STRAIN

被引：9

作者：

BRIZA, J

GICHNER, T

VELEMINSKY, J

OPATRNY, Z

机构：

来源：

BIOLOGIA PLANTARUM | 1985年 / 27卷 / 01期

关键词：

D O I：

10.1007/BF02894628

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Recurrent exposures (17 administrations in 37 days) to the direct-acting mutagens N-methyl-N-nitrosourea and N-ethyl-N-nitrosourea and a chronic exposure (38 days) to the metabolism-requiring mutagen dimethylnitrosamine markedly increased the frequency of somatic mutations in a double heterozygous chlorophyll mutant of N. tabacum, whereas exposure to N-methyl-N''-nitro-N-nitrosoguanidine was ineffective.

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页码：22 / 27

页数：6

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