Abstract
Mature embryos and seedlings from mature embryos of one standard and five reconstructed karyotypes of barley (Hordeum vulgare L.) were cultured in vitro to study the influence of repositioning of particular chromosome segments of barley genome on the regeneration response. A comparative analysis of the regeneration response of a reconstructed karyotype having complete and well characterized rearrangement of the chromosome complement, and its four parental lines were used as experimental material. Depending on the source of explants two systems of in vitro culture were applied. The regeneration ability was found to be significantly influenced by both chromosome reconstruction and protocol applied. Possible reasons underlying the effects of chromosomal reconstruction on the regeneration response of karyotypes are briefly discussed.
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Abbreviations
- 2,4-D:
-
2,4-dichlorophenoxyacetic acid
- IAA:
-
indole-3-acetic acid
- 2ip:
-
6-(γ,γ-dimethylallylamino)purine
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Abumhadi, N., Kamenarova, K., Gecheff, K. et al. Effects of chromosome reconstruction of barley genome on tissue culture response using two different regeneration systems. Plant Cell Tiss Organ Cult 80, 339–342 (2005). https://doi.org/10.1007/s11240-004-0912-0
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DOI: https://doi.org/10.1007/s11240-004-0912-0