The genetic diversity of group-1 homoeologs and characterization of novel LMW-GS genes from Chinese Xinjiang winter wheat landraces (Triticum aestivum L.)

2020 ◽  
Vol 61 (3) ◽  
pp. 379-389
Author(s):  
Xinkun Hu ◽  
Shoufen Dai ◽  
Yongliang Yan ◽  
Yaxi Liu ◽  
Jinbo Zhang ◽  
...  
Keyword(s):  
Genetic Diversity ◽  
Triticum Aestivum ◽  
Winter Wheat ◽  
Triticum Aestivum L ◽  
Wheat Landraces ◽  
Group 1

Characterization of Plasma membrane of winter wheat (TritiCum aestivum L.) Seedlings and Changes in ATP hydrolysing activity under low temparature stress

1990 ◽  
Vol 32 (3) ◽  
pp. 211-217 ◽  
Author(s):  
K. K. Baruah ◽  
N. V. Alyoshina ◽  
N. B. Astakhova ◽  
T. I. Trunova
Keyword(s):  
Triticum Aestivum ◽  
Plasma Membrane ◽  
Winter Wheat ◽  
Triticum Aestivum L

scholarly journals Molecular Assessment of Genetic Diversity among Egyptian Landraces of Wheat (Triticum aestivum L.) Using Microsatellite Markers

2020 ◽  
pp. 46-58 ◽  
Author(s):  
Ahmed Medhat Mohamed Al-Naggar ◽  
Mohamed Abd El-Maboud Abd El-Shafi ◽  
Mohamed Helmy El-Shal ◽  
Ali Hassan Anany
Keyword(s):  
Genetic Diversity ◽  
Triticum Aestivum ◽  
Microsatellite Markers ◽  
Ssr Markers ◽  
Triticum Aestivum L ◽  
Genetic Progress ◽  
High Genetic Diversity ◽  
Breeding Programs ◽  
High Polymorphism Information Content ◽  
Wheat Landraces

To increase the genetic progress in wheat (Triticum aestivum L.) yield, breeders search for germplasm of high genetic diversity, one of them is the landraces. The present study aimed at evaluating genetic diversity of 20 Egyptian wheat landraces and two cultivars using microsatellite markers (SSRs). Ten SSR markers amplified a total of 27 alleles in the set of 22 wheat accessions, of which 23 alleles (85.2%) were polymorphic. The majority of the markers showed high polymorphism information content (PIC) values (0.67-0.94), indicating the diverse nature of the wheat accessions and/or highly informative SSR markers used in this study. The genotyping data of the SSR markers were used to assess genetic variation in the wheat accessions by dendrogram. The highest genetic distance was found between G21 (Sakha 64; an Egyptian cultivar) and the landrace accession No. 9120 (G11). These two genotypes could be used as parents in a hybridization program followed by selection in the segregating generations, to identify some transgressive segregates of higher grain yield than both parents. The clustering assigned the wheat genotypes into four groups based on SSR markers. The results showed that the studied SSR markers, provided sufficient polymorphism and reproducible fingerprinting profiles for evaluating genetic diversity of wheat landraces. The analyzed wheat landraces showed a good level of genetic diversity at the molecular level. Molecular variation evaluated in this study of wheat landraces can be useful in traditional and molecular breeding programs.

scholarly journals GENETIC DIVERSITY OF WINTER WHEAT (Triticum aestivum L.)

2017 ◽  
Vol 6 (6) ◽  
pp. 1233-1236
Author(s):  
Andrea Pešková ◽  
Zdenka Gálová ◽  
Tímea Kuťka Hlozáková
Keyword(s):  
Genetic Diversity ◽  
Triticum Aestivum ◽  
Winter Wheat ◽  
Triticum Aestivum L

scholarly journals Polymorphism of high-molecular-weight glutenin loci in Ukrainian wheat landraces Triticum aestivum L.

2021 ◽  
Vol 29 ◽  
pp. 111-116
Author(s):  
T. O. Sobko ◽  
G.M. Lisova ◽  
O.M. Blagodarova
Keyword(s):  
Molecular Weight ◽  
Triticum Aestivum ◽  
Winter Wheat ◽  
High Molecular Weight ◽  
Gene Pool ◽  
Allelic Diversity ◽  
Triticum Aestivum L ◽  
Hmw Glutenin ◽  
Wheat Landraces ◽  
In The Beginning

Aim. The aim of the study was to investigate allelic variability of high-molecular-weight glutenin loci Glu-A1, Glu-B1, Glu-D1 in Ukrainian winter wheat landraces and obsolete cultivars Triticum aestivum L. Methods. Allelic diversity at the Glu-1 loci were analyzed in 54 collection accessions, including 41 landraces (Krymka, Banatka, Girka, Theyka and others), and 13 first breeding cultivars that were developed in the beginning of the last century by selection from local wheat. Method of SDS-PAG electrophoresis according to Laemmli was used for fractionation of HMW glutenin subunits. Results. A total 11 alleles at the Glu-1 loci were identified, including 3 alleles at the Glu-A1 (a, b, c) and Glu-D1 (a, b, d) loci, and 5 – at the Glu- B1 (c, u, an, aj and subunit 9). Differences in frequencies of glutenin alleles were revealed. Conclusions. In the gene pool of Ukrainian winter bread wheat landraces the most widespread alleles were Glu-A1a (43.3 %), Glu-A1b (40.5 %), Glu-B1c (58 %), Glu-B1u (23 %), Glu-D1d (48.6 %), Glu-D1a (47.2 %). All these alleles (except of the Glu-D1a) are also predominant in the gene pool of modern commercial Ukrainian cultivars. A distinctive feature of Ukrainian landraces are the rare allelic variants of the Glu-B1 locus, which encode the subunits 1By9 and 1By8 (allele Glu-B1aj). Keywords: Triticum aestivum L., winter wheat, landraces, high-molecular-weight glutenin, alleles.

Development and characterization of mutant winter wheat (Triticum aestivum L.) accessions resistant to the herbicide quizalofop

2014 ◽  
Vol 128 (2) ◽  
pp. 343-351 ◽  
Author(s):  
Michael Ostlie ◽  
Scott D. Haley ◽  
Victoria Anderson ◽  
Dale Shaner ◽  
Harish Manmathan ◽  
...  
Keyword(s):  
Triticum Aestivum ◽  
Winter Wheat ◽  
Triticum Aestivum L
Sign in / Sign up

Export Citation Format

Share Document