Abstract
Publisher Summary This chapter highlights tobacco BY-2 (TBY-2) cell line. TBY-2 derived from the seedlings of N. tabacum L. cv. Bright Yellow 2 grows fast and multiplies 80- to 100-fold in 1 week. After the stationary phase, cells of TBY-2 are transferred to a medium containing aphidicolin for 24 hr and then released from treatment; high synchrony is obtained starting from the S phase. TBY-2 cells are propagated in the modified medium of Linsmaier and Skoog, in which KH2PO4 and thiamine HCl are increased to 370 and 1 mg/liter, respectively, and sucrose and 2,4-D are supplemented to 3% and 0.2 mg/liter, respectively. The preparation of protoplasts from TBY-2 cells, from which the isolation of organelles is easy, has been established. Using the synchrony system, the change in the cell cycle progression of TBY-2 cells successfully followed the change in cytoskeletons. Biochemical and molecular biological studies can also be done on TBY-2 cells, as mass culture of this material is readily feasible.
Published Version
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