Utility of specific locus systems in higher plants to monitor for mutagens.
نویسندگان
چکیده
منابع مشابه
Utility of specific locus systems in higher plants to monitor for mutagens.
Plants possess biological and operational attributes that have encouraged geneticists to use them extensively in the development of fundamental genetic concepts. Attributes such as regenerative plasticity, high fecundity, cultural adaptability, range of ploidy, economics of culture and maintenance of specific populations, and versatility make plant genetic systems prime candidates with which to...
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Plant assays play a great role in the biomonitoring of ecogenotoxicity and environmental pollution. Amongst them, specific locus systems provide a simple, relatively easily scored system for the detection of mutations in testing of chemicals and in situ. The screening is based on a phenotypic change caused by a mutation in a single locus. Numerous test systems have been developed, although some...
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Results of a pilot program show that suspension cultured polyhaploid Nicotiana tabacum cells can be used to bioassay the effects of mutagens. Reproducible survival curves with significant regression coefficients are obtained. Putative mutation conferring resistance to amino acid analogs is significantly more frequent after exposure to mutagens; in contrast, habituants, cytokinin-independent clo...
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ژورنال
عنوان ژورنال: Environmental Health Perspectives
سال: 1978
ISSN: 0091-6765,1552-9924
DOI: 10.1289/ehp.782769