Abstract
This study was conducted to compare characteristics of a wheat (Triticum aestivum L.) cell line to those of the maize (Zea mays L.) black Mexican sweet (BMS) cell line and to compare protoplasts isolated from suspension cells of these cell lines. The wheat cell line was established from immature-embryo derived callus of the experimental line ‘ND7532’ and was conditioned for growth in suspension culture. For both cell lines, measurements of packed cell volume (PCV), fresh weight (FW), and dry weight (DW) were taken at 3 day intervals from suspension cultures. Measurements of FW of calluses cultured from suspension cells of both cell lines were taken at 6 day intervals. The morphogenetic potential of the wheat ND7532 cell line was tested in both callus and suspension cultures using media promoting regeneration and/or organogenesis. Growth rates of ND7532 cells in suspension culture were comparable to those of BMS cells. However, relative growth rates of calluses recovered from ND7532 suspension cells were slower than those of calluses recovered from BMS suspension cells. The ND7532 cell line has very limited morphogenetic potential and has been maintained as rapidly growing callus tissue for 11 years. Yields of protoplasts from suspension cells of the two cell lines were comparable, though ND7532 protoplasts were typically smaller. The wheat cell line has is now designated ND7532-NM (nonmorphogenetic) and is available for cellular and molecular biology research.
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Guenzi, A.C., Scheets, K., Green, J.L. et al. Development and Characterization of a Nonmorphogenetic Cell Line of Wheat (Triticum aestivum). Plant Cell, Tissue and Organ Culture 78, 23–28 (2004). https://doi.org/10.1023/B:TICU.0000020391.67996.44
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DOI: https://doi.org/10.1023/B:TICU.0000020391.67996.44