Abstract
Two finely-dispersed, homogeneous and regenerable cell suspension cultures were established from embryogenic callus derived from immature and mature embryos in barley. The quality and viability of suspension cells obtained were determined using differential-interference-contrast microscope and fluorescence microscope. Cell suspension cultures, maintained in modified liquid CC medium, showed a 10-fold increase in dry weight after two weeks with a doubling time of about 3 days. Addition of l-proline and casein hydrolysate in the medium had positive effect on the growth of cell cultures. Subculture interval significantly affected mitotic index. Both cell lines established were able to regenerate plants by somatic embryogenesis, but cell line Z-IM showed much higher regeneration capacity than cell line Z-M. Comparatively high frequencies of variations in chromosome number and structure were found in both lines, and a correlation between karyotype and morphogenic capacity was noticed.
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Abbreviations
- KT:
-
kinetin
- BAP:
-
benzylaminopurine
- FDA-PI:
-
fluorescein diacetate and propidium iodide
- 2,4-d :
-
2,4-dichlorophenoxyacetic acid
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Huang, C., Yan, H., Yan, Q. et al. Establishment and characterization of embryogenic cell suspension cultures from immature and mature embryos of barley (Hordeum vulgare L.). Plant Cell Tiss Organ Cult 32, 19–25 (1993). https://doi.org/10.1007/BF00040111
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DOI: https://doi.org/10.1007/BF00040111