Analysis of Linkage Between Biochemical and Morphological Markers of Rye Chromosomes 1R, 2R, and 5R and Mutations of Self-Fertility at the Main Incompatibility Loci

Analysis of Linkage Between Biochemical and Morphological Markers of Rye Chromosomes 1R, 2R, and... In F2 hybrids between self-sterile plants of the Volkhova cultivar and self-fertile lines with established self-fertility mutations (sf mutations) at the major incompatibility loci S (1R), Z (2R), and T (5R), the effect of sf mutations on the inheritance of secalin-encoding, isozyme, and morphological markers located on the same chromosomes was investigated. Linkage between loci Prx7 and Sand locus Sec3 coding for high-molecular-weight secalins on chromosome 1R was shown for the first time. The frequency of recombination between Prx7andSec3and between S and Sec3was 29.1 ± 4.8% and 30.9 ± 7.0%, respectively. Independent inheritance of locus Z and isozyme markers of chromosome 2R, Est3/5 and β-Glu, from locus Sec2 encoding 75-kDa γ-secalins was shown; in hybrids, the recombination frequency between Est3/5 and locus Z varied from 19.2 ± 8.1 to 50%. Independent inheritance of morphological (Ddw and Hs) and isozyme markers (Est4, Est6/9,and Aco2) of chromosome 5R from locus Tlocated on the same chromosome was demonstrated. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Genetics Springer Journals

Analysis of Linkage Between Biochemical and Morphological Markers of Rye Chromosomes 1R, 2R, and 5R and Mutations of Self-Fertility at the Main Incompatibility Loci

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Publisher
Springer Journals
Copyright
Copyright © 2000 by MAIK “Nauka/Interperiodica”
Subject
Biomedicine; Human Genetics
ISSN
1022-7954
eISSN
1608-3369
D.O.I.
10.1023/A:1009075408921
Publisher site
See Article on Publisher Site

Abstract

In F2 hybrids between self-sterile plants of the Volkhova cultivar and self-fertile lines with established self-fertility mutations (sf mutations) at the major incompatibility loci S (1R), Z (2R), and T (5R), the effect of sf mutations on the inheritance of secalin-encoding, isozyme, and morphological markers located on the same chromosomes was investigated. Linkage between loci Prx7 and Sand locus Sec3 coding for high-molecular-weight secalins on chromosome 1R was shown for the first time. The frequency of recombination between Prx7andSec3and between S and Sec3was 29.1 ± 4.8% and 30.9 ± 7.0%, respectively. Independent inheritance of locus Z and isozyme markers of chromosome 2R, Est3/5 and β-Glu, from locus Sec2 encoding 75-kDa γ-secalins was shown; in hybrids, the recombination frequency between Est3/5 and locus Z varied from 19.2 ± 8.1 to 50%. Independent inheritance of morphological (Ddw and Hs) and isozyme markers (Est4, Est6/9,and Aco2) of chromosome 5R from locus Tlocated on the same chromosome was demonstrated.

Journal

Russian Journal of GeneticsSpringer Journals

Published: Oct 8, 2004

References

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