Compensation Ability between the Chromosomes of Homoeologous Group 7 of Triticum aestivum L. and Hordeum marinum ssp. gussoneanum Hudson (2n = 28) and Analysis of the Transmission Frequency of Alien 7H1Lmar Chromosome through Gametes in the Progeny of Wheat–Barley Substitution Lines

Ефремова, Т. Т.; Chumanova, E. V.; Трубачеева, Н. В.; Першина, Л. А.

doi:10.1134/s1022795418090065

Cited by 2 publications

(4 citation statements)

References 44 publications

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“…For the first time we obtained wheat-barley substitution lines (T. aestivum-H. marinum ssp. gussoneanum Hudson 4х) for the chromosomes of homeologous group 7, in which common wheat chromosomes 7A, 7B and 7D are substituted by barley H. marinum telocentric chromosome 7HL mar (Efremova et al, 2013(Efremova et al, , 2018. The analysis of the meiosis Metaphase I (MI) has shown that the ditelosomic (DT) lines obtained are characterized by cytologically stable meiosis, and most plants in each line have the following chromosome configuration: 20"+t".…”

Section: Alien Substitution Linesmentioning

confidence: 99%

“…The ditelosomic analysis allowed us to define the lines as DT7HL mar (7A) and DT7H mar (7B). On the basis of the compensation test and studying of the substitution lines' meiotic stability, we determined that H. marinum chromosome 7HL mar is homeologous to the common wheat chromosomes of the seventh group (Efremova et al, 2018).…”

Section: Alien Substitution Linesmentioning

confidence: 99%

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Intergenomic substitutions and translocations in wheat-alien lines and their use in studying the characteristics that determine adaptation and stress resistance

2019

Plant Genetic Resources for Breeding and Producing Functional Nutraceutical Food

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The authors have created new genetic models of common wheat with different types of intergenomic chromosome substitution or translocation that include genetic materials of taxonomically unrelated species (S. сereale, Ag. elongatum, Ag. intermedium, H. marinum) for the introgression of genes that control adaptation and resistance to biotic and abiotic stress factors, along with the studying of homology between chromosomes. For the identification of rye, barley and wheatgrass chromosomes in the genome of common wheat, the authors used the molecular-cytological analysis of lines based on the genomic in situ hybridization and PCR analysis with the use of specific primers. The genetic relations have been studied in terms of the degree of substitution and compensation ability of particular chromosomes. To study the homology and homeology of chromosomes and control the peculiar features of alien chromosome transmission and elimination via gametes, the authors performed an analysis on chromosomes' synapsis and assortment in the offspring of wheat-alien substitution lines. Newly created models were examined to identify and localize the genes or gene alleles in chromosomes of different genomes and homeologous groups, which control such traits as the type of development and heading stage, and resistance to the impact of unfavorable weather conditions (winter-cold tolerance, stem and leaf rust and powdery mildew tolerance).

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Section: Alien Substitution Linesmentioning

confidence: 99%

Section: Alien Substitution Linesmentioning

confidence: 99%

Intergenomic substitutions and translocations in wheat-alien lines and their use in studying the characteristics that determine adaptation and stress resistance

2019

Plant Genetic Resources for Breeding and Producing Functional Nutraceutical Food

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“…We obtained ditelosomic wheat-barley (T. aestivum-H. marinum ssp. gussoneanum 4x) substitution lines of the homoeologous group 7 chromosomes (Efremova et al 2018). The study showed that the lines differ in the heading time during growth in the greenhouse and in the field.…”

Section: Cereal Research Communications 47 2019mentioning

confidence: 99%

“…The material for the study was wheat-barley (T. aestivum-H. marinum ssp. gussoneanum Hudson 4x) ditelosomic (DT) substitution lines of the homoeologous group 7 chromosomes (Efremova et al 2013;Efremova et al 2018). To obtain substitution lines, the 44-chromosomal ditelosomic addition line (2n = 44 = 42 + 2 t) with the telocentric chromosome 7HL mar of the wild barley H. marinum, derived from common wheat cv.…”

Section: Plant Materialsmentioning

confidence: 99%

Effects of alien substitutions of chromosomes of homoeologous group 7 on the heading time of wheat–barley substitution lines (Triticum aestivum L. – Hordeum marinum ssp. gussoneanum 4x Hudson)

Chumanova

Ефремова

Трубачеева

et al. 2019

Cereal Research Communications

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The effects of alien substitutions of chromosomes on the heading time of ditelosomic (DT) wheat-barley substitution lines in which the chromosome 7HL mar from Hordeum marinum ssp. gussoneanum 4x replaced the chromosomes 7A, 7B and 7D of common wheat were studied. The plants were grown under short and long day illumination in greenhouse and in the field. The lines studied were found to differ in response to the length of the day. Under short day conditions, DT7HL mar (7B) and DT7HL mar (7A) showed an increase in the period before heading. In this case, the substitution effect of chromosome 7B was more significant than the effect of chromosome 7A. Under these conditions, the substitution of chromosome 7D did not have a significant effect on the heading time. Under long day conditions in the greenhouse and under natural conditions of a long day in the Novosibirsk region, substitution lines came into ear earlier than under a short day conditions and did not differ in the heading time. Allele-specific primers established the allelic composition of the genes Vrn-A1, Vrn-B1, Vrn-D1 and Vrn-B3 in ditelosomic lines. It was shown that the two DT7HL mar (7A) and DT7HL mar (7D) lines have the same genotype -VRN-A1b/VRN-B1c/vrn-D1/ vrn-B3 and that the DT7HL mar (7B) line has the genotype -VRN-A1a/VRN-B1c/vrn-D1. The results show that regardless of the genotype for the Vrn genes, the wheat-barley substitution lines react to the change in the photoperiod, especially in the absence of chromosomes 7B and 7A.

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Compensation Ability between the Chromosomes of Homoeologous Group 7 of Triticum aestivum L. and Hordeum marinum ssp. gussoneanum Hudson (2n = 28) and Analysis of the Transmission Frequency of Alien 7H1Lmar Chromosome through Gametes in the Progeny of Wheat–Barley Substitution Lines

Cited by 2 publications

References 44 publications

Intergenomic substitutions and translocations in wheat-alien lines and their use in studying the characteristics that determine adaptation and stress resistance

Intergenomic substitutions and translocations in wheat-alien lines and their use in studying the characteristics that determine adaptation and stress resistance

Effects of alien substitutions of chromosomes of homoeologous group 7 on the heading time of wheat–barley substitution lines (Triticum aestivum L. – Hordeum marinum ssp. gussoneanum 4x Hudson)

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