Molecular study and C-banding of chromosomes in common wheat alloplasmic lines obtained from the backcross progeny of barley—wheat hybrids Hordeum vulgare L. (2n = 14) × Triticum aestivum L. (2n = 42) and differing in fertility

Molecular study and C-banding of chromosomes in common wheat alloplasmic lines obtained from the... We studied common wheat alloplasmic lines differing in fertility traits, which had been obtained from the backcross progeny of barley—wheat hybrids Hordeum vulgare L. (2n = 14) × Triticum aestivum L. (2n = 42), using molecular analysis and chromosome C-banding. It was found that the nuclei of all alloplasmic lines studied, regardless of their fertility traits, contained only the common wheat chromosomes (2n = 42). The formation of line L-79(10)(3)F6, stable for self-fertility, from line L-79(10)F3 was accompanied by changes of the proportions of simple sequence repeats of the parental common wheat varieties in the nuclear genome. The presence of barley genome fragments in line accessions with incomplete self-fertility was shown by RAPD. Heteroplasmy for mitochondrial genome loci was detected in these lines with the use of primers specific to the tMet-18S-5S repeat of mitochondrial ribosomal genes. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Genetics Springer Journals

Molecular study and C-banding of chromosomes in common wheat alloplasmic lines obtained from the backcross progeny of barley—wheat hybrids Hordeum vulgare L. (2n = 14) × Triticum aestivum L. (2n = 42) and differing in fertility

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Publisher
Springer Journals
Copyright
Copyright © 2004 by MAIK “Nauka/Interperiodica”
Subject
Biomedicine; Human Genetics; Microbial Genetics and Genomics; Animal Genetics and Genomics
ISSN
1022-7954
eISSN
1608-3369
D.O.I.
10.1007/s11177-005-0066-0
Publisher site
See Article on Publisher Site

Abstract

We studied common wheat alloplasmic lines differing in fertility traits, which had been obtained from the backcross progeny of barley—wheat hybrids Hordeum vulgare L. (2n = 14) × Triticum aestivum L. (2n = 42), using molecular analysis and chromosome C-banding. It was found that the nuclei of all alloplasmic lines studied, regardless of their fertility traits, contained only the common wheat chromosomes (2n = 42). The formation of line L-79(10)(3)F6, stable for self-fertility, from line L-79(10)F3 was accompanied by changes of the proportions of simple sequence repeats of the parental common wheat varieties in the nuclear genome. The presence of barley genome fragments in line accessions with incomplete self-fertility was shown by RAPD. Heteroplasmy for mitochondrial genome loci was detected in these lines with the use of primers specific to the tMet-18S-5S repeat of mitochondrial ribosomal genes.

Journal

Russian Journal of GeneticsSpringer Journals

Published: Feb 16, 2005

References

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