Abstract
Cell suspension cultures of Nicotiana were initiated using conditions designed to selectively favor stable chromosome number. These conditions included use of leaf explants to initiate cultures, growth of cells in culture medium containing 2,4-D, and transfer of cells with short subculture intervals. Four cell lines derived from Nicotiana tissue with 2n=24, 48, or 72 were established and retain stable chromosome number. Each line could be regenerated to recover plants that retained the somatic chromosome number during culture. Establishment of haploid and diploid cell lines with stable chromosome number is important for mutant isolation and protoplast fusion.
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Evans, D.A., Gamborg, O.L. Chromosome stability of cell suspension cultures of Nicotiana spp.. Plant Cell Reports 1, 104–107 (1982). https://doi.org/10.1007/BF00272364
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DOI: https://doi.org/10.1007/BF00272364