Molecular screening of the landraces from Turkey and modern bread wheat (Triticum aestivum L.) cultivars for HMW-GS, wbm, waxy genes and Lr34 gene

Sönmez, Mesut Ersin; Güleç, Tuğba; Demir, Bedrettin; Bayraç, Ceren; Çakmak, Mustafa; Aydın, Nevzat

doi:10.1007/s10722-022-01460-0

Cited by 4 publications

(2 citation statements)

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“…Previous research showed that 2 + 12 subunits of Glu-D1 site associated with gluten titers were the most common subunit in 123 regional varieties and modern bread wheat varieties, accounting for 63.4%, and 5 + 10 subunits associated with strong gluten bread wheat were found in 22 wheat varieties, accounting for 17.8%. Apart from these two subunits, 2.1 + 12, 2 + 12′, and 2 + 12* subunits were also found among the varieties ( Sönmez et al, 2023 ). A previous study found Glu-B1 and Glu-B3 had the highest effect on the variations for gluten, dough and end-use quality traits, whereas Glu-A1 and Glu-D3 had the lowest impact on average.…”

Section: Discussionmentioning

confidence: 94%

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Quality traits analysis of 153 wheat lines derived from CIMMYT and China

et al. 2023

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In order to understand the difference of quality for Chinese and CIMMYT wheat varieties (lines), we selected 153 wheat germplasm from both China and CIMMYT to explore the contribution relationship of different allelic variation combinations to wheat quality through genotyping and phenotyping, including grain hardness, polyphenol oxidase (PPO) activity, lipoxygenase (LOX) activity, yellow pigment (YP) content and protein content. In terms of flour milling quality, Chinese wheat varieties were mainly carrying Pina-D1a/Pinb-D1b, accounting for 32.0% of the total tested varieties, while the CIMMYT wheat lines were mainly carrying Pina-D1b/Pinb-D1a with 45.8% of the total collection. The distribution frequencies of subunit 1/2* and 5 + 10 were 47.0% and 42.5%, respectively, in CIMMYT varieties, however they were only 31.4% and 13.7% respectively of the Chinese wheat tested varieties. In addition, the proportion of phytoene synthase (PSY) allele, PPO allele and LOX active allele were roughly the same between Chinese and CIMMYT varieties. Based on the present study, we found that Pina gene had a greater impact on grain hardness value than Pinb gene; The influence of PPO-A1 gene on polyphenol oxidase activity was more significant than PPO-D1 gene. The high protein content of varieties mostly containing hardness genes and 1/2*/5 + 10 subunit combinations. Based on the present study, we found that the quality gene distribution of Chinese and CIMMYT varieties was quite different, for instance, the high-quality HMW-GS subunits of Chinese varieties were lower than CIMMYT lines. It will be much useful for Chinese wheat breeders to develop good quality wheat variety by crossing with 3 good strong gluten CIMMYT wheat lines by molecular marker-assisted selection.

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Section: Discussionmentioning

confidence: 94%

“…Each site produces two subunits, named as x and y subunits ( Zhang et al, 2016 ). The high-quality subunits, namely, Ax1 or Ax2*(1/2*), Dx5+Dy10 (5 + 10) and their combinations have a positive effect on the strength of gluten ( Payne, 1987 ; Cooper et al, 2015 ; Vancini et al, 2019 ; Guzmán et al, 2022 ; Sönmez et al, 2023 ).…”

Section: Introductionmentioning

confidence: 99%

Quality traits analysis of 153 wheat lines derived from CIMMYT and China

et al. 2023

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Genetic variability for end-use quality proteins in a collection of bread wheat Mediterranean landraces

Yannam,

Soriano,

Chozas

et al. 2024

Journal of Cereal Science

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Evaluation of grain yield, quality characteristics and high molecular weight glutenin subunits of bread wheat cultivars in different agro-ecological regions of Türkiye

Aktaş,

GÖKDERE

2024

Preprint

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The current study aimed to determine and compare the grain yield, some quality characteristics and high-molecular-weight glutenin subunits (HMW-GS) of bread wheat cultivars cultivated in several agro-ecological regions using a total of 46 registered bread wheat cultivars in the 2016–2017 and 2017–2018 growing seasons. The results determined that the environment had the largest share in the total variation (Genotype + Environment + Genotype×Environment Interaction). The Mediterranean region had the highest average grain yield with 8137 kg ha− 1, while the Central Anatolia region (under the rainfed conditions) had the lowest average with 4260 kg ha− 1. The average thousand kernel weight of the cultivars was 35.3–39.9 g, test weight 77.2–79.2 kg hL− 1, protein content 13.4–14.7%, Zeleny sedimentation 39.2–53.3 mL, and alveograph energy value varied between 191.2-276.4 10− 4 J. Regarding the HMW-GS, 18 of the 46 cultivars scored 10, and one scored 5. The highest mean protein content and alveograph energy value was determined in cultivars with 9 Glu-1 score. In Zeleny sedimentation, cultivars with 10 Glu-1 score showed the highest mean value. The most common subunits in loci; it is 2* in Glu-A1, 7 + 8 and 7 + 9 in Glu-B1, and 5 + 10 in Glu-D1. The fact that registered cultivars predominantly carry these subunits at Glu-1 loci, which could be the result of yield and quality-oriented selection in the breeding process. It was concluded that high quality new varieties could be developed by HMW-GS oriented crosses and selections in wheat breeding programs.

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Molecular screening of the landraces from Turkey and modern bread wheat (Triticum aestivum L.) cultivars for HMW-GS, wbm, waxy genes and Lr34 gene

Cited by 4 publications

References 47 publications

Quality traits analysis of 153 wheat lines derived from CIMMYT and China

Quality traits analysis of 153 wheat lines derived from CIMMYT and China

Genetic variability for end-use quality proteins in a collection of bread wheat Mediterranean landraces

Evaluation of grain yield, quality characteristics and high molecular weight glutenin subunits of bread wheat cultivars in different agro-ecological regions of Türkiye

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