Abstract
Amiprophos-methyl (APM) is a potential herbicide which acts at the level of microtubules. By exposure of suspension cells of Nicotiana plumbaginifolia to this agent, a high degree of metaphase arrest was observed and single as well as groups of chromosomes were scattered throughout the cell, offering good prospects for application in cytology and chromosome isolation. After prolonged exposure to the drug, the chromosomes decondensed and micronuclei were formed. Based on their DNA content, the micronuclei were sorted by flow cytometry. Prospects for application of isolated micronuclei for partial genome transfer and gene mapping are discussed.
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Abbreviations
- APM:
-
amiprophos-methyl
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de Laat, A.M.M., Verhoeven, H.A., Sree Ramulu, K. et al. Efficient induction by amiprophos-methyl and flow-cytometric sorting of micronuclei in Nicotiana plumbaginifolia . Planta 172, 473–478 (1987). https://doi.org/10.1007/BF00393862
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DOI: https://doi.org/10.1007/BF00393862