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Utebayev MU, Dashkevich SM, Kradetskaya OO, Chilimova IV, Bome NA. Assessment of the genetic diversity of the alleles of gliadin-coding loci in common wheat (Triticum aestivum L.) collections in Kazakhstan and Russia. Vavilovskii Zhurnal Genet Selektsii 2024; 28:263-275. [PMID: 38952702 PMCID: PMC11214902 DOI: 10.18699/vjgb-24-31] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Revised: 01/22/2024] [Accepted: 01/29/2024] [Indexed: 07/03/2024] Open
Abstract
The study of genetic resources using prolamin polymorphism in wheat cultivars from countries with different climatic conditions makes it possible to identify and trace the preference for the selection of the alleles of gliadine-coding loci characteristic of specific conditions. The aim of the study was to determine the "gliadin profile" of the collection of common wheat (Triticum aestivum L.) from breeding centers in Russia and Kazakhstan by studying the genetic diversity of allelic variants of gliadin-coding loci. Intrapopulation (μ ± Sμ) and genetic (H) diversity, the proportion of rare alleles (h ± Sh), identity criterion (I) and genetic similarity (r) of common wheat from eight breeding centers in Russia and Kazakhstan have been calculated. It has been ascertained that the samples of common wheat bred in Kostanay region (Karabalyk Agricultural Experimental Station, Kazakhstan) and Chelyabinsk region (Chelyabinsk Research Institute of Agriculture, Russia) had the highest intrapopulation diversity of gliadin alleles. The proportion of rare alleles (h) at Gli-B1 and Gli-D1 loci was the highest in the wheat cultivars bred by the Federal Center of Agriculture Research of the South-East Region (Saratov region, Russia), which is explained by a high frequency of occurrence of Gli-B1e (86 %) and Gli-D1a (89.9 %) alleles. Based on identity criterion (I), the studied samples of common wheat from different regions of Kazakhstan and Russia have differences in gliadin-coding loci. The highest value of I = 619.0 was found when comparing wheat samples originated from Kostanay and Saratov regions, and the lowest I = 114.4, for wheat cultivars from Tyumen and Chelyabinsk regions. Some region-specific gliadin alleles in wheat samples have been identified. A combination of Gli-A1f, Gli-B1e and Gli-Da alleles has been identified in the majority of wheat samples from Kazakhstan and Russia. Alleles (Gli-A1f, Gli-A1i, Gli-A1m, Gli-A1o, Gli-B1e, Gli-D1a, Gli-D1f, Gli-A2q, Gli-B2o, and Gli-D2a) turned out to be characteristic and were found with varying frequency in wheat cultivars in eight regions of Russia and Kazakhstan. The highest intravarietal polymorphism (51.1 %) was observed in wheat cultivars bred in Omsk region (Russia) and the lowest (16.6 %), in Pavlodar region (Kazakhstan). On the basis of the allele frequencies, a "gliadin profile" of wheat from various regions and breeding institutions of Russia and Kazakhstan was compiled, which can be used for the selection of parent pairs in the breeding process, the control of cultivars during reproduction, as well as for assessing varietal purity.
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Affiliation(s)
- M U Utebayev
- A.I. Barayev Research and Production Centre of Grain Farming, Shortandy-1, Akmola Region, Kazakhstan
| | - S M Dashkevich
- A.I. Barayev Research and Production Centre of Grain Farming, Shortandy-1, Akmola Region, Kazakhstan
| | - O O Kradetskaya
- A.I. Barayev Research and Production Centre of Grain Farming, Shortandy-1, Akmola Region, Kazakhstan
| | - I V Chilimova
- A.I. Barayev Research and Production Centre of Grain Farming, Shortandy-1, Akmola Region, Kazakhstan
| | - N A Bome
- University of Tyumen, Tyumen, Russia
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Li J, Li J, Li L, Xiang L, Zhao L, Liu J, Liu S, Yang Q, Wu J, Chen X. Effect of gliadin from Psathrostachys huashanica on dough rheological properties and biscuit quality. Food Chem 2023; 425:136537. [PMID: 37290239 DOI: 10.1016/j.foodchem.2023.136537] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2023] [Revised: 05/31/2023] [Accepted: 06/01/2023] [Indexed: 06/10/2023]
Abstract
Psathrostachys huashanica (P. huashanica), a wild relative of common wheat, is widely used in wheat variety improvement because of its many beneficial properties. In this study, we carried out preliminary analysis on the grain and flour quality of wheat-P. huashanica addition line 7182-6Ns and its wheat parents 7182, and found that 7182-6Ns had a higher protein content and great dough rheological characteristics and investigated the reasons for the changes. The results indicated that 7182-6Ns contained exogenous gliadin, which changed the gliadin composition and increased the ratio of gliadin in total gluten proteins, rebuilt gluten microstructure and thus optimized dough extensibility. As the addition of 7182-6Ns gliadin gradually increased to wheat flour, the diameter, crispness and spread rate of biscuit increased, the thickness and hardness decreased, and the colour improved. The current research provides a basis for understanding the introduction of exogenic gliadin to improve biscuit wheat varieties.
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Affiliation(s)
- Jiaojiao Li
- Shaanxi Key Laboratory of Plant Genetic Engineering Breeding, College of Agronomy, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Jiachuang Li
- College of Agriculture/Tree Peony, Henan University of Science and Technology, Luoyang 471023, Henan, China
| | - Lei Li
- Shaanxi Key Laboratory of Plant Genetic Engineering Breeding, College of Agronomy, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Linrun Xiang
- Shaanxi Key Laboratory of Plant Genetic Engineering Breeding, College of Agronomy, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Li Zhao
- Shaanxi Key Laboratory of Plant Genetic Engineering Breeding, College of Agronomy, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Jinke Liu
- Shaanxi Key Laboratory of Plant Genetic Engineering Breeding, College of Agronomy, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Shuhui Liu
- Shaanxi Key Laboratory of Plant Genetic Engineering Breeding, College of Agronomy, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Qunhui Yang
- Shaanxi Key Laboratory of Plant Genetic Engineering Breeding, College of Agronomy, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Jun Wu
- Shaanxi Key Laboratory of Plant Genetic Engineering Breeding, College of Agronomy, Northwest A&F University, Yangling 712100, Shaanxi, China.
| | - Xinhong Chen
- Shaanxi Key Laboratory of Plant Genetic Engineering Breeding, College of Agronomy, Northwest A&F University, Yangling 712100, Shaanxi, China.
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Marcotuli I, Soriano JM, Gadaleta A. A consensus map for quality traits in durum wheat based on genome-wide association studies and detection of ortho-meta QTL across cereal species. Front Genet 2022; 13:982418. [PMID: 36110219 PMCID: PMC9468538 DOI: 10.3389/fgene.2022.982418] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Accepted: 07/21/2022] [Indexed: 11/13/2022] Open
Abstract
The present work focused on the identification of durum wheat QTL hotspots from a collection of genome-wide association studies, for quality traits, such as grain protein content and composition, yellow color, fiber, grain microelement content (iron, magnesium, potassium, selenium, sulfur, calcium, cadmium), kernel vitreousness, semolina, and dough quality test. For the first time a total of 10 GWAS studies, comprising 395 marker-trait associations (MTA) on 57 quality traits, with more than 1,500 genotypes from 9 association panels, were used to investigate consensus QTL hotspots representative of a wide durum wheat genetic variation. MTA were found distributed on all the A and B genomes chromosomes with minimum number of MTA observed on chromosome 5B (15) and a maximum of 45 on chromosome 7A, with an average of 28 MTA per chromosome. The MTA were equally distributed on A (48%) and B (52%) genomes and allowed the identification of 94 QTL hotspots. Synteny maps for QTL were also performed in Zea mays, Brachypodium, and Oryza sativa, and candidate gene identification allowed the association of genes involved in biological processes playing a major role in the control of quality traits.
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Affiliation(s)
- Ilaria Marcotuli
- Department of Agricultural and Environmental Science, University of Bari Aldo Moro, Bari, Italy
- *Correspondence: Ilaria Marcotuli, ; Jose Miguel Soriano,
| | - Jose Miguel Soriano
- Sustainable Field Crops Programme, IRTA (Institute for Food and Agricultural Research and Technology), Lleida, Spain
- *Correspondence: Ilaria Marcotuli, ; Jose Miguel Soriano,
| | - Agata Gadaleta
- Department of Agricultural and Environmental Science, University of Bari Aldo Moro, Bari, Italy
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Asri N, Rostami-Nejad M, Anderson RP, Rostami K. The Gluten Gene: Unlocking the Understanding of Gluten Sensitivity and Intolerance. APPLICATION OF CLINICAL GENETICS 2021; 14:37-50. [PMID: 33603437 PMCID: PMC7886246 DOI: 10.2147/tacg.s276596] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/14/2020] [Accepted: 01/18/2021] [Indexed: 12/14/2022]
Abstract
Wheat flour is one of the most important food ingredients containing several essential nutrients including proteins. Gluten is one of the major protein components of wheat consisted of glutenin (encoded on chromosome 1) and gliadin (encoded on chromosome 1 and 6) and there are around hundred genes encoding it in wheat. Gluten proteins have the ability of eliciting the pathogenic immune responses and hypersensitivity reactions in susceptible individuals called “gluten-related disorders (GRDs)”, which include celiac disease (CD), wheat allergy (WA), and non-celiac gluten sensitivity (NCGS). Currently removing gluten from the diet is the only effective treatment for mentioned GRDs and studies for the appropriate and alternative therapeutic approaches are ongoing. Accordingly, several genetic studies have focused on breeding wheat with low immunological properties through gene editing methods. The present review considers genetic characteristics of gluten protein components, focusing on their role in the incidence of gluten-related diseases, and genetic modifications conducted to produce wheat with less immunological properties.
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Affiliation(s)
- Nastaran Asri
- Basic and Molecular Epidemiology of Gastrointestinal Disorders Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohammad Rostami-Nejad
- Gastroenterology and Liver Diseases Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Robert P Anderson
- Wesley Medical Research - The Wesley Hospital, Brisbane, Queensland, Australia
| | - Kamran Rostami
- Department of Gastroenterology, MidCentral DHB, Palmerston North, New Zealand
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Lyubimova A, Eremin D, Loskutov I, Levshtanov S, Trifuntova I. Analysis of the genetic diversity of Russian common oat varieties using alleles of avenin-coding loci. BIO WEB OF CONFERENCES 2021. [DOI: 10.1051/bioconf/20213601015] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Alleles of avenin-coding loci were identified in 24 varieties of common oat origin from 6 different breeding centers of the Russian Federation. It was found that 33% of the studied varieties are homogeneous. Heterogeneous varieties contain from 2 to 10 biotypes. The analysis revealed 67 different genotypes, ten of which are found in the spectra of several varieties at once. Despite the presence of matching genotypes, all the studied varieties differ in the genetic formulas of avenin, the number and frequency of occurrence of biotypes. This makes it possible to effectively identify and distinguish oat varieties sown by Russian breeding using the method of prolamin electrophoresis. The analyzed groups of varieties are characterized by high values of genetic (0.54-0.79) and intra-population diversity, which indicates the stability of populations. The exception is varieties originating from the Irkutsk region, low values of genetic and intra-population diversity in the population of which may indicate the process of genetic erosion. Analysis of the frequency distribution of alleles of avenin-coding loci does not allow to determine whether oat varieties belong to certain breeding centers, which is associated with the introduction of the same genotypes into the breeding programs of different regions.
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Lyubimova AV, Tobolova GV, Eremin DI, Loskutov IG. Dynamics of the genetic diversity of oat varieties in the Tyumen region at avenin-coding loci. Vavilovskii Zhurnal Genet Selektsii 2020; 24:123-130. [PMID: 33659791 PMCID: PMC7716543 DOI: 10.18699/vj20.607] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
Molecular and biochemical markers are used to analyze the intraspecific genetic diversity of crops.
Prolamin-coding
loci are highly effective for assessing this indicator. On the basis of the Laboratory of Varietal
Seed Identification of the State Agrarian University of the Northern Trans-Urals, 18 varieties of common oat
included in the State Register of Selection Achievements in the Tyumen Region from the 1930s to 2019 were
studied
by electrophoresis in 2018–2019. The aim of the work was to study the dynamics of the genetic diversity
of oat varieties
at avenin-coding loci. For the analysis, 100 grains of each variety were used. Electrophoresis was
carried out in vertical plates of 13.2 % polyacrylamide gel at a constant voltage
of 500 V for 4.0–4.5 h. It was found
that 44.4 % of the varieties are heterogeneous, each consisting of two biotypes. For three loci, 20 alleles were
identified, 10 of which were detected for the first time. The allele frequency of avenin-coding loci varied with
time. In the process of variety exchange, alleles that are characteristic of varieties of non-Russian origin were replaced
by alleles present in domestic varieties and then in the varieties developed by local breeding institutions.
The following alleles had the highest frequency in Tyumen varieties: Avn A4 (50.0 %), A2 (25.0 %), Avn B4 (50.0 %),
Bnew6 (37.5 %), Avn C1 (37.5 %), C2 and C5 (25.0 %). These alleles are of great value as markers of agronomically
and adaptively important characters for the region in question. The amount of genetic diversity of oats varied
with time from 0.33 in 1929–1950 to up to 0.75 in 2019. The high value of genetic diversity in modern breeding
varieties of the Scientific Research Institute of Agriculture of the Northern Trans-Urals and an increase in this
indicator over the past 20 years are associated with the use of genetically heterogeneous source material in the
breeding process. This allowed obtaining varieties with high adaptive potentials in the natural climatic conditions
of the region.
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Affiliation(s)
- A V Lyubimova
- Scientific Research Institute of Agriculture of the Northern Trans-Ural Region - Branch of the Tyumen Scientific Center of Siberian Branch of the Russian Academy of Sciences, Moskowsky village, Tyumen district, Tyumen region, Russia Northern Trans-Ural State Agricultural University, Tyumen, Russia
| | - G V Tobolova
- Northern Trans-Ural State Agricultural University, Tyumen, Russia
| | - D I Eremin
- Northern Trans-Ural State Agricultural University, Tyumen, Russia
| | - I G Loskutov
- Federal Research Center the N.I. Vavilov All-Russian Institute of Plant Genetic Resources (VIR), St. Petersburg, Russia
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