Comparative Effects of Rye Chromosomes 1R and 5R on Androgenesis in Cultured Anthers of Wheat–Rye Substitution Lines as Dependent on the Line Origin

Comparative Effects of Rye Chromosomes 1R and 5R on Androgenesis in Cultured Anthers of... The effects of rye chromosomes 1R and 5R on androgenesis in cultured anthers of wheat–rye substitution lines was studied as dependent on the cultivar origin of the rye chromosomes and on the wheat genome (A or D) subjected to substitution. Chromosome 1R stimulated embryogenesis in anther cultures, while chromosome 5R suppressed it regardless of whether the corresponding wheat chromosomes were substituted in the A or D genome. The effect of chromosome 1R on embryogenesis proved to depend on its cultivar origin. Along with rye chromosome 1R, wheat chromosome 1A was shown to substantially affect total seedling regeneration. Regeneration of green seedlings was dramatically affected both by rye chromosome 1R and by wheat chromosome 1D. The results supported the published data that individual androgenesis parameters (embryogenesis, total plant regeneration, green plant regeneration) are controlled by different genetic mechanisms. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Genetics Springer Journals

Comparative Effects of Rye Chromosomes 1R and 5R on Androgenesis in Cultured Anthers of Wheat–Rye Substitution Lines as Dependent on the Line Origin

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Publisher
Kluwer Academic Publishers-Plenum Publishers
Copyright
Copyright © 2003 by MAIK “Nauka/Interperiodica”
Subject
Biomedicine; Human Genetics
ISSN
1022-7954
eISSN
1608-3369
D.O.I.
10.1023/A:1023378219158
Publisher site
See Article on Publisher Site

Abstract

The effects of rye chromosomes 1R and 5R on androgenesis in cultured anthers of wheat–rye substitution lines was studied as dependent on the cultivar origin of the rye chromosomes and on the wheat genome (A or D) subjected to substitution. Chromosome 1R stimulated embryogenesis in anther cultures, while chromosome 5R suppressed it regardless of whether the corresponding wheat chromosomes were substituted in the A or D genome. The effect of chromosome 1R on embryogenesis proved to depend on its cultivar origin. Along with rye chromosome 1R, wheat chromosome 1A was shown to substantially affect total seedling regeneration. Regeneration of green seedlings was dramatically affected both by rye chromosome 1R and by wheat chromosome 1D. The results supported the published data that individual androgenesis parameters (embryogenesis, total plant regeneration, green plant regeneration) are controlled by different genetic mechanisms.

Journal

Russian Journal of GeneticsSpringer Journals

Published: Oct 7, 2004

References

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