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Kröber TU, Holzer M, Kerpes R, Mittermeier-Kleßinger VK, Dawid C, Becker T. Enrichment and Quantitation of Dipeptidyl Peptidase IV Inhibitory Peptides in Quinoa upon Systematic Malting. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:11480-11492. [PMID: 38733562 PMCID: PMC11117401 DOI: 10.1021/acs.jafc.4c00570] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2024] [Revised: 04/13/2024] [Accepted: 05/05/2024] [Indexed: 05/13/2024]
Abstract
Food-derived peptides with an inhibitory effect on dipeptidyl peptidase IV (DPP-IV) can be used as an additive treatment for type 2 diabetes. The inhibitory potential of food depends on technological protein hydrolysis and gastrointestinal digestion, as the peptides only act after intestinal resorption. The effect of malting as a hydrolytic step on the availability of these peptides in grains has yet to be investigated. In this study, quinoa was malted under systematic temperature, moisture, and time variations. In the resulting malts, the DPP-IV inhibition reached a maximum of 45.02 (±10.28) %, whereas the highest overall concentration of literature-known inhibitory peptides was 4.07 μmol/L, depending on the malting parameters. After in vitro gastrointestinal digest, the inhibition of most malts, as well as the overall concentration of inhibitory peptides, could be increased significantly. Additionally, the digested malts showed higher values in both the inhibition and the peptide concentration than the unmalted quinoa. Concerning the malting parameters, germination time had the highest impact on the inhibition and the peptide concentration after digest. An analysis of the protein sizes before and after malting gave first hints toward the origin of these peptides, or their precursors, in quinoa.
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Affiliation(s)
- Tabea
D. U. Kröber
- Chair
of Brewing and Beverage Technology, School of Life Sciences Weihenstephan, Technical University of Munich, Weihenstephaner Steig 20, 85354 Freising, Germany
| | - Magdalena Holzer
- Chair
of Food Chemistry and Molecular Sensory Science, School of Life Sciences
Weihenstephan, Technical University of Munich, Lise-Meitner-Strasse 34, 85354 Freising, Germany
| | - Roland Kerpes
- Chair
of Brewing and Beverage Technology, School of Life Sciences Weihenstephan, Technical University of Munich, Weihenstephaner Steig 20, 85354 Freising, Germany
| | - Verena K. Mittermeier-Kleßinger
- Chair
of Food Chemistry and Molecular Sensory Science, School of Life Sciences
Weihenstephan, Technical University of Munich, Lise-Meitner-Strasse 34, 85354 Freising, Germany
| | - Corinna Dawid
- Chair
of Food Chemistry and Molecular Sensory Science, School of Life Sciences
Weihenstephan, Technical University of Munich, Lise-Meitner-Strasse 34, 85354 Freising, Germany
- Professorship
for Functional Phytometabolomics, School of Life Sciences Weihenstephan, Technical University of Munich, Lise-Meitner-Strasse 34, 85354 Freising, Germany
| | - Thomas Becker
- Chair
of Brewing and Beverage Technology, School of Life Sciences Weihenstephan, Technical University of Munich, Weihenstephaner Steig 20, 85354 Freising, Germany
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Kartseva T, Aleksandrov V, Alqudah AM, Arif MAR, Kocheva K, Doneva D, Prokopova K, Börner A, Misheva S. GWAS in a Collection of Bulgarian Old and Modern Bread Wheat Accessions Uncovers Novel Genomic Loci for Grain Protein Content and Thousand Kernel Weight. PLANTS (BASEL, SWITZERLAND) 2024; 13:1084. [PMID: 38674493 PMCID: PMC11054703 DOI: 10.3390/plants13081084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/16/2024] [Revised: 04/03/2024] [Accepted: 04/10/2024] [Indexed: 04/28/2024]
Abstract
Genetic enhancement of grain production and quality is a priority in wheat breeding projects. In this study, we assessed two key agronomic traits-grain protein content (GPC) and thousand kernel weight (TKW)-across 179 Bulgarian contemporary and historic varieties and landraces across three growing seasons. Significant phenotypic variation existed for both traits among genotypes and seasons, and no discernible difference was evident between the old and modern accessions. To understand the genetic basis of the traits, we conducted a genome-wide association study with MLM using phenotypic data from the crop seasons, best linear unbiased estimators, and genotypic data from the 25K Infinium iSelect array. As a result, we detected 16 quantitative trait nucleotides (QTNs) associated with GPC and 15 associated with TKW, all of which passed the false discovery rate threshold. Seven loci favorably influenced GPC, resulting in an increase of 1.4% to 8.1%, while four loci had a positive impact on TKW with increases ranging from 1.9% to 8.4%. While some loci confirmed previously published associations, four QTNs linked to GPC on chromosomes 2A, 7A, and 7B, as well as two QTNs related to TKW on chromosomes 1B and 6A, may represent novel associations. Annotations for proteins involved in the senescence-associated nutrient remobilization and in the following buildup of resources required for seed germination have been found for selected putative candidate genes. These include genes coding for storage proteins, cysteine proteases, cellulose-synthase, alpha-amylase, transcriptional regulators, and F-box and RWP-RK family proteins. Our findings highlight promising genomic regions for targeted breeding programs aimed at improving grain yield and protein content.
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Affiliation(s)
- Tania Kartseva
- Institute of Plant Physiology and Genetics, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Block 21, 1113 Sofia, Bulgaria; (T.K.); (V.A.)
| | - Vladimir Aleksandrov
- Institute of Plant Physiology and Genetics, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Block 21, 1113 Sofia, Bulgaria; (T.K.); (V.A.)
| | - Ahmad M. Alqudah
- Biological Science Program, Department of Biological and Environmental Sciences, College of Art and Science, Qatar University, Doha P.O. Box 2713, Qatar;
| | - Mian Abdur Rehman Arif
- Nuclear Institute for Agriculture and Biology College, Pakistan Institute of Engineering and Applied Sciences (NIAB-C, PIEAS), Jhang Road, Faisalabad 38000, Pakistan;
| | - Konstantina Kocheva
- Institute of Plant Physiology and Genetics, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Block 21, 1113 Sofia, Bulgaria; (T.K.); (V.A.)
| | - Dilyana Doneva
- Institute of Plant Physiology and Genetics, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Block 21, 1113 Sofia, Bulgaria; (T.K.); (V.A.)
| | - Katelina Prokopova
- Institute of Plant Physiology and Genetics, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Block 21, 1113 Sofia, Bulgaria; (T.K.); (V.A.)
| | - Andreas Börner
- Leibniz Institute of Plant Genetics and Crop Plant Research (IPK Gatersleben), OT Gatersleben, Corrensstraße 3, 06466 Seeland, Germany;
| | - Svetlana Misheva
- Institute of Plant Physiology and Genetics, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Block 21, 1113 Sofia, Bulgaria; (T.K.); (V.A.)
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3
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Gao Y, Qiao L, Mei C, Nong L, Li Q, Zhang X, Li R, Gao W, Chen F, Chang L, Zhang S, Guo H, Cheng T, Wen H, Chang Z, Li X. Mapping of a Major-Effect Quantitative Trait Locus for Seed Dormancy in Wheat. Int J Mol Sci 2024; 25:3681. [PMID: 38612492 PMCID: PMC11011268 DOI: 10.3390/ijms25073681] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2024] [Revised: 03/21/2024] [Accepted: 03/23/2024] [Indexed: 04/14/2024] Open
Abstract
The excavation and utilization of dormancy loci in breeding are effective endeavors for enhancing the resistance to pre-harvest sprouting (PHS) of wheat varieties. CH1539 is a wheat breeding line with high-level seed dormancy. To clarify the dormant loci carried by CH1539 and obtain linked molecular markers, in this study, a recombinant inbred line (RIL) population derived from the cross of weak dormant SY95-71 and strong dormant CH1539 was genotyped using the Wheat17K single-nucleotide polymorphism (SNP) array, and a high-density genetic map covering 21 chromosomes and consisting of 2437 SNP markers was constructed. Then, the germination percentage (GP) and germination index (GI) of the seeds from each RIL were estimated. Two QTLs for GP on chromosomes 5A and 6B, and four QTLs for GI on chromosomes 5A, 6B, 6D and 7A were identified. Among them, the QTL on chromosomes 6B controlling both GP and GI, temporarily named QGp/Gi.sxau-6B, is a major QTL for seed dormancy with the maximum phenotypic variance explained of 17.66~34.11%. One PCR-based diagnostic marker Ger6B-3 for QGp/Gi.sxau-6B was developed, and the genetic effect of QGp/Gi.sxau-6B on the RIL population and a set of wheat germplasm comprising 97 accessions was successfully confirmed. QGp/Gi.sxau-6B located in the 28.7~30.9 Mbp physical position is different from all the known dormancy loci on chromosomes 6B, and within the interval, there are 30 high-confidence annotated genes. Our results revealed a novel QTL QGp/Gi.sxau-6B whose CH1539 allele had a strong and broad effect on seed dormancy, which will be useful in further PHS-resistant wheat breeding.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Xin Li
- College of Agronomy, Shanxi Key Laboratory of Crop Genetics and Molecular Improvement, Shanxi Agricultural University, Taiyuan 030031, China; (Y.G.)
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4
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Xiong M, Xu J, Zhou Z, Peng B, Shen Y, Shen H, Xu X, Li C, Deng L, Feng G. Salinity inhibits seed germination and embryo growth by reducing starch mobilization efficiency in barley. PLANT DIRECT 2024; 8:e564. [PMID: 38312996 PMCID: PMC10835642 DOI: 10.1002/pld3.564] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Revised: 10/21/2023] [Accepted: 12/12/2023] [Indexed: 02/06/2024]
Abstract
Barley is one of the world's earliest domesticated crops, which is widely used for beer production, animal feeding, and health care. Barley seed germination, particularly in increasingly saline soils, is key to ensure the safety of crop production. However, the mechanism of salt-affected seed germination in barley remains elusive. Here, two different colored barley varieties were used to independently study the regulation mechanism of salt tolerance during barley seed germination. High salinity delays barley seed germination by slowing down starch mobilization efficiency in seeds. The starch plate test revealed that salinity had a significant inhibitory effect on α-amylase activity in barley seeds. Further, NaCl treatment down-regulated the expression of Amy1, Amy2 and Amy3 genes in germinated seeds, thereby inhibiting α-amylase activity. In addition, the result of embryogenic culture system in vitro showed that the shoot elongation of barley was significantly inhibited by salt stress. These findings indicate that it is a feasible idea to study the regulation mechanism of salinity on barley seed germination and embryo growth from the aspect of starch-related source-sink communication.
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Affiliation(s)
- Min Xiong
- College of Marine and Biology EngineeringYancheng Institute of TechnologyYanchengJiangsuChina
| | - Jian Xu
- College of Marine and Biology EngineeringYancheng Institute of TechnologyYanchengJiangsuChina
| | - Zhou Zhou
- College of Marine and Biology EngineeringYancheng Institute of TechnologyYanchengJiangsuChina
| | - Bin Peng
- College of Marine and Biology EngineeringYancheng Institute of TechnologyYanchengJiangsuChina
| | - Yuxiang Shen
- College of Marine and Biology EngineeringYancheng Institute of TechnologyYanchengJiangsuChina
| | - Huiquan Shen
- Jiangsu Coastal Area Institute of Agricultural SciencesYanchengJiangsuChina
| | - Xiao Xu
- Jiangsu Coastal Area Institute of Agricultural SciencesYanchengJiangsuChina
| | - Changya Li
- Yancheng Grain and Oil Crop Technical Guidance StationYanchengJiangsuChina
| | - Lina Deng
- College of Marine and Biology EngineeringYancheng Institute of TechnologyYanchengJiangsuChina
| | - Gongneng Feng
- College of Marine and Biology EngineeringYancheng Institute of TechnologyYanchengJiangsuChina
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5
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Vorster J, van der Westhuizen W, du Plessis G, Marais D, Sparvoli F, Cominelli E, Camilli E, Ferrari M, Le Donne C, Marconi S, Lisciani S, Losa A, Sala T, Kunert K. In order to lower the antinutritional activity of serine protease inhibitors, we need to understand their role in seed development. FRONTIERS IN PLANT SCIENCE 2023; 14:1252223. [PMID: 37860251 PMCID: PMC10582697 DOI: 10.3389/fpls.2023.1252223] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Accepted: 08/29/2023] [Indexed: 10/21/2023]
Abstract
Proteases, including serine proteases, are involved in the entire life cycle of plants. Proteases are controlled by protease inhibitors (PI) to limit any uncontrolled or harmful protease activity. The role of PIs in biotic and abiotic stress tolerance is well documented, however their role in various other plant processes has not been fully elucidated. Seed development is one such area that lack detailed work on the function of PIs despite the fact that this is a key process in the life cycle of the plant. Serine protease inhibitors (SPI) such as the Bowman-Birk inhibitors and Kunitz-type inhibitors, are abundant in legume seeds and act as antinutrients in humans and animals. Their role in seed development is not fully understood and present an interesting research target. Whether lowering the levels and activity of PIs, in order to lower the anti-nutrient levels in seed will affect the development of viable seed, remains an important question. Studies on the function of SPI in seed development are therefore required. In this Perspective paper, we provide an overview on the current knowledge of seed storage proteins, their degradation as well as on the serine protease-SPI system in seeds and what is known about the consequences when this system is modified. We discuss areas that require investigation. This includes the identification of seed specific SPIs; screening of germplasms, to identify plants with low seed inhibitor content, establishing serine protease-SPI ratios and lastly a focus on molecular techniques that can be used to modify seed SPI activity.
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Affiliation(s)
- Juan Vorster
- Department Plant and Soil Sciences, Forestry and Agricultural Biotechnology Institute, University of Pretoria, Pretoria, South Africa
| | - Willem van der Westhuizen
- Department Plant and Soil Sciences, Forestry and Agricultural Biotechnology Institute, University of Pretoria, Pretoria, South Africa
| | - Gedion du Plessis
- Department Plant and Soil Sciences, Forestry and Agricultural Biotechnology Institute, University of Pretoria, Pretoria, South Africa
| | - Diana Marais
- Department Plant and Soil Sciences, Forestry and Agricultural Biotechnology Institute, University of Pretoria, Pretoria, South Africa
| | - Francesca Sparvoli
- National Research Council, Institute of Agricultural Biology and Biotechnology (CNR-IBBA), Milan, Italy
| | - Eleonora Cominelli
- National Research Council, Institute of Agricultural Biology and Biotechnology (CNR-IBBA), Milan, Italy
| | - Emanuela Camilli
- Council for Agricultural Research and Economics, Research Centre for Food and Nutrition, Rome, Italy
| | - Marika Ferrari
- Council for Agricultural Research and Economics, Research Centre for Food and Nutrition, Rome, Italy
| | - Cinzia Le Donne
- Council for Agricultural Research and Economics, Research Centre for Food and Nutrition, Rome, Italy
| | - Stefania Marconi
- Council for Agricultural Research and Economics, Research Centre for Food and Nutrition, Rome, Italy
| | - Silvia Lisciani
- Council for Agricultural Research and Economics, Research Centre for Food and Nutrition, Rome, Italy
| | - Alessia Losa
- Council for Research in Agriculture and Economics, Research Centre for Genomics and Bioinformatics, Montanaso Lombardo, Italy
| | - Tea Sala
- Council for Research in Agriculture and Economics, Research Centre for Genomics and Bioinformatics, Montanaso Lombardo, Italy
| | - Karl Kunert
- Department Plant and Soil Sciences, Forestry and Agricultural Biotechnology Institute, University of Pretoria, Pretoria, South Africa
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6
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Fox GP, Bettenhausen HM. Variation in quality of grains used in malting and brewing. FRONTIERS IN PLANT SCIENCE 2023; 14:1172028. [PMID: 37377804 PMCID: PMC10291334 DOI: 10.3389/fpls.2023.1172028] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Accepted: 05/15/2023] [Indexed: 06/29/2023]
Abstract
Cereal grains have been domesticated largely from food grains to feed and malting grains. Barley (Hordeum vulgare L.) remains unparalleled in its success as a primary brewing grain. However, there is renewed interest in "alternative" grains for brewing (and distilling) due to attention being placed on flavor, quality, and health (i.e., gluten issues) aspects that they may offer. This review covers basic and general information on "alternative grains" for malting and brewing, as well as an in-depth look at several major biochemical aspects of these grains including starch, protein, polyphenols, and lipids. These traits are described in terms of their effects on processing and flavor, as well as the prospects for improvement through breeding. These aspects have been studied extensively in barley, but little is known about the functional properties in other crops for malting and brewing. In addition, the complex nature of malting and brewing produces a large number of brewing targets but requires extensive processing, laboratory analysis, and accompanying sensory analysis. However, if a better understanding of the potential of alternative crops that can be used in malting and brewing is needed, then significantly more research is required.
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Affiliation(s)
- Glen P. Fox
- Department of Food Science and Technology, University of California, Davis, Davis, CA, United States
| | - Harmonie M. Bettenhausen
- Center for Craft Food and Beverage, Hartwick College Center for Craft Food and Beverage, Oneonta, NY, United States
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Lee JS, Ko CS, Seo YW. Oat AsDA1-2D enhances heat stress tolerance and negatively regulates seed-storage globulin. JOURNAL OF PLANT PHYSIOLOGY 2023; 284:153981. [PMID: 37054580 DOI: 10.1016/j.jplph.2023.153981] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Revised: 03/28/2023] [Accepted: 04/04/2023] [Indexed: 06/19/2023]
Abstract
The importance of oats has increased because of their high nutritional value and health benefits in the human diet. High-temperature stress during the reproductive growth period has a detrimental effect on grain morphology by changing the structure and concentration of several seed-storage proteins. DA1, a conserved ubiquitin-proteasome pathway component, plays an important role in regulating grain size by controlling cell proliferation in maternal integuments during the grain-filling stage. However, there have been no reports or studies on oat DA1 genes. In this study, we identified three DA1-like genes (AsDA1-2D, AsDA1-5A, and AsDA1-1D) using genome-wide analysis. Among these, AsDA1-2D was found to be responsible for high-temperature stress tolerance via a yeast thermotolerance assay. The physical interaction of AsDA1-2D with oat-storage-globulin (AsGL-4D) and a protease inhibitor (AsPI-4D) was observed using yeast two-hybrid screening. A subcellular localization assay revealed that AsDA1-2D and its interacting proteins are localized in the cytosol and plasma membrane. An in vitro pull-down assay showed that AsDA1-2D forms a complex with both AsPI-4D and AsGL-4D. An in vitro cell-free degradation assay showed that AsGL-4D was degraded by AsDA1-2D under high-temperature conditions and that AsPI-4D inhibited the function of AsDA1-2D. These results suggest that AsDA1-2D acts as a cysteine protease and negatively regulates oat-grain-storage-globulin under heat stress.
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Affiliation(s)
- Joo Sun Lee
- Department of Plant Biotechnology, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul, 02841, Republic of Korea
| | - Chan Seop Ko
- Department of Plant Biotechnology, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul, 02841, Republic of Korea; Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, 29 Geumgu, Jeongeup, 56212, Republic of Korea
| | - Yong Weon Seo
- Department of Plant Biotechnology, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul, 02841, Republic of Korea; Ojeong Plant Breeding Research Center, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul, 02841, Republic of Korea.
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8
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Kartseva T, Alqudah AM, Aleksandrov V, Alomari DZ, Doneva D, Arif MAR, Börner A, Misheva S. Nutritional Genomic Approach for Improving Grain Protein Content in Wheat. Foods 2023; 12:1399. [PMID: 37048220 PMCID: PMC10093644 DOI: 10.3390/foods12071399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 03/21/2023] [Accepted: 03/23/2023] [Indexed: 03/29/2023] Open
Abstract
Grain protein content (GPC) is a key aspect of grain quality, a major determinant of the flour functional properties and grain nutritional value of bread wheat. Exploiting diverse germplasms to identify genes for improving crop performance and grain nutritional quality is needed to enhance food security. Here, we evaluated GPC in a panel of 255 Triticum aestivum L. accessions from 27 countries. GPC determined in seeds from three consecutive crop seasons varied from 8.6 to 16.4% (11.3% on average). Significant natural phenotypic variation in GPC among genotypes and seasons was detected. The population was evaluated for the presence of the trait-linked single nucleotide polymorphism (SNP) markers via a genome-wide association study (GWAS). GWAS analysis conducted with calculated best linear unbiased estimates (BLUEs) of phenotypic data and 90 K SNP array using the fixed and random model circulating probability unification (FarmCPU) model identified seven significant genomic regions harboring GPC-associated markers on chromosomes 1D, 3A, 3B, 3D, 4B and 5A, of which those on 3A and 3B shared associated SNPs with at least one crop season. The verified SNP-GPC associations provide new promising genomic signals on 3A (SNPs: Excalibur_c13709_2568 and wsnp_Ku_c7811_13387117) and 3B (SNP: BS00062734_51) underlying protein improvement in wheat. Based on the linkage disequilibrium for significant SNPs, the most relevant candidate genes within a 4 Mbp-window included genes encoding a subtilisin-like serine protease; amino acid transporters; transcription factors; proteins with post-translational regulatory functions; metabolic proteins involved in the starch, cellulose and fatty acid biosynthesis; protective and structural proteins, and proteins associated with metal ions transport or homeostasis. The availability of molecular markers within or adjacent to the sequences of the detected candidate genes might assist a breeding strategy based on functional markers to improve genetic gains for GPC and nutritional quality in wheat.
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Affiliation(s)
- Tania Kartseva
- Institute of Plant Physiology and Genetics, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Block 21, 1113 Sofia, Bulgaria; (T.K.); (V.A.); (D.D.)
| | - Ahmad M. Alqudah
- Biological Science Program, Department of Biological and Environmental Sciences, College of Art and Science, Qatar University, Doha P.O. Box 2713, Qatar;
| | - Vladimir Aleksandrov
- Institute of Plant Physiology and Genetics, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Block 21, 1113 Sofia, Bulgaria; (T.K.); (V.A.); (D.D.)
| | - Dalia Z. Alomari
- Department of Clinical Nutrition and Dietetics, Faculty of Applied Medical Sciences, The Hashemite University, P.O. Box 330127, Zarqa 13133, Jordan;
| | - Dilyana Doneva
- Institute of Plant Physiology and Genetics, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Block 21, 1113 Sofia, Bulgaria; (T.K.); (V.A.); (D.D.)
| | - Mian Abdur Rehman Arif
- Wheat Breeding Group, Plant Breeding and Genetics Division, Nuclear Institute for Agriculture and Biology (NIAB), Faisalabad 38000, Pakistan;
| | - Andreas Börner
- Leibniz Institute of Plant Genetics and Crop Plants Research (IPK Gatersleben), Corrensstraße 3, OT Gatersleben, 06466 Seeland, Germany;
| | - Svetlana Misheva
- Institute of Plant Physiology and Genetics, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Block 21, 1113 Sofia, Bulgaria; (T.K.); (V.A.); (D.D.)
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9
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Rani H, Bhardwaj RD, Kaur S. Understanding the influence of genotype and temperature on proteolytic activity in distinct barley genotypes. J Food Sci 2023; 88:1718-1730. [PMID: 36855307 DOI: 10.1111/1750-3841.16509] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Revised: 01/16/2023] [Accepted: 02/02/2023] [Indexed: 03/02/2023]
Abstract
This study aimed at investigating the effects of genotype and temperatures on the proteolytic activity in green malt of 48 barley genotypes, including 19 mutants, 15 hulled, 4 hulless, and 10 wild using enzyme assays based on casein, as substrate. During malting, insoluble barley protein must be hydrolyzed into soluble peptides and free amino acids to supply the brewing yeast with sufficient nutrients to grow rapidly and metabolize glucose and other sugars into alcohol through fermentation. However, the relatively hot temperatures employed during kilning usually denature the proteolytic enzymes due to their thermolabile nature. Even though the hydrolytic activity of most of the proteases is destroyed during the kilning process, the malt includes a small fraction of thermostable proteases that can further degrade protein in the subsequent mashing process. Considering the higher temperature range employed in industrial kilning and mashing, three temperatures (37, 50, and 70°C) were selected to identify the genotypes possessing high activity at the higher range of temperatures as well as thermostable variant of the enzyme. The proteolytic activity in all the genotypes declined after 50°C depicting its optimum temperature. Overall proteolytic activity was observed to be positively correlated with the amino acids and negatively correlated with protein content. Three mutant (BL2086, BL2091, and BL2079) and one wild (WS 237) genotypes possessing proteolytic activity in a higher range at all the studied temperatures have the potential to be exploited in the breeding programs for incorporating trait of thermostable proteolytic activity into low malting efficiency cultivars. PRACTICAL APPLICATION: The optimal hydrolytic activities of carbohydrases and proteases during mashing are essential for producing high-quality wort from malted barley to ensure that hydrolyzed molecules are available to brewers' yeast to support fermentative metabolism. In this study, several barley cultivars were grown under identical environmental conditions but assayed at different temperatures. As result, four genotypes had been obtained that possessed optimal proteolytic activities at a higher temperature range and can be of great interest to breeders and maltsters for altering wort amino acid profiles and better exposure of starch to mashing enzymes, thereby increasing the fermentable sugar yield from the malt.
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Affiliation(s)
- Heena Rani
- Department of Biochemistry, Punjab Agricultural University, Ludhiana, Punjab, India
| | - Rachana D Bhardwaj
- Department of Biochemistry, Punjab Agricultural University, Ludhiana, Punjab, India
| | - Simarjit Kaur
- Department of Plant Breeding and Genetics, Punjab Agricultural University, Ludhiana, Punjab, India
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10
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Aung T, Kim BR, Kim S, Shin EC, Kim MJ. Comparative volatiles, amino acids, and phenolic compounds and characteristics of roasted germinated wheat (Triticum aestivum L.) during beverage preparation. Lebensm Wiss Technol 2023. [DOI: 10.1016/j.lwt.2022.114412] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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11
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Liang L, Xie A, Yang H, Li N, Ma P, Wei S, Zhang S, Lv Y, Hu Y. Quantitative Acetylome Analysis of Soft Wheat Seeds during Artificial Ageing. Foods 2022; 11:foods11223611. [PMID: 36429203 PMCID: PMC9689531 DOI: 10.3390/foods11223611] [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: 10/21/2022] [Accepted: 11/11/2022] [Indexed: 11/16/2022] Open
Abstract
Lysine acetylation (Kac) is a protein post-translational modification (PTM) widely found in plants that plays vital roles in metabolic pathways. Although seed germination and development are regulated by Kac, its potential function in seed ageing remains to be investigated. Our preliminary study demonstrated that Kac levels were altered during wheat seed artificial ageing. However, its specific role in this process still needs to be elucidated. Here, we performed quantitative acetylation proteomics analysis of soft wheat seeds with different germination rates during artificial ageing. A total of 175 acetylation proteins and 255 acetylation modification sites were remarkably changed. The differentially acetylated proteins were enriched in metabolism; response to harsh intracellular environment, such as ROS; protein storage and processing. Notably, expression, point mutation to mimic Kac by K to Q mutation at K80 and K138, protein purification and enzyme activity detection revealed that the Kac of ROS-scavenging glutathione transferase attenuated its activity, indicating that the defense ability of wheat seeds to stress gradually diminished, and the ageing process was inevitable. Collectively, our data provide a basis for further understanding the roles of Kac in seed ageing and might aid in the development of new techniques to prolong seed viability and food quality.
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Affiliation(s)
- Liuke Liang
- College of Biological Engineering, Henan University of Technology, Zhengzhou 450001, China
| | - Aowen Xie
- College of Biological Engineering, Henan University of Technology, Zhengzhou 450001, China
- College of Life Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Haojie Yang
- College of Biological Engineering, Henan University of Technology, Zhengzhou 450001, China
| | - Na Li
- College of Biological Engineering, Henan University of Technology, Zhengzhou 450001, China
| | - Ping’an Ma
- College of Biological Engineering, Henan University of Technology, Zhengzhou 450001, China
| | - Shan Wei
- College of Biological Engineering, Henan University of Technology, Zhengzhou 450001, China
| | - Shuaibing Zhang
- College of Biological Engineering, Henan University of Technology, Zhengzhou 450001, China
| | - Yangyong Lv
- College of Biological Engineering, Henan University of Technology, Zhengzhou 450001, China
- Correspondence:
| | - Yuansen Hu
- College of Biological Engineering, Henan University of Technology, Zhengzhou 450001, China
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12
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The molecular basis of cereal grain proteostasis. Essays Biochem 2022; 66:243-253. [PMID: 35818971 PMCID: PMC9400069 DOI: 10.1042/ebc20210041] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Revised: 06/07/2022] [Accepted: 06/27/2022] [Indexed: 11/17/2022]
Abstract
Storage proteins deposited in the endosperm of cereal grains are both a nitrogen reserve for seed germination and seedling growth and a primary protein source for human nutrition. Detailed surveys of the patterns of storage protein accumulation in cereal grains during grain development have been undertaken, but an in-depth understanding of the molecular mechanisms that regulate these patterns is still lacking. Accumulation of storage proteins in cereal grains involves a series of subcellular compartments, a set of energy-dependent events that compete with other cellular processes, and a balance of protein synthesis and protein degradation rates at different times during the developmental process. In this review, we focus on the importance of rates in cereal grain storage protein accumulation during grain development and outline the potential implications and applications of this information to accelerate modern agriculture breeding programmes and optimize energy use efficiency in proteostasis.
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13
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Cueff G, Rajjou L, Hoang HH, Bailly C, Corbineau F, Leymarie J. In-Depth Proteomic Analysis of the Secondary Dormancy Induction by Hypoxia or High Temperature in Barley Grains. PLANT & CELL PHYSIOLOGY 2022; 63:550-564. [PMID: 35139224 DOI: 10.1093/pcp/pcac021] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/02/2021] [Revised: 02/03/2022] [Accepted: 02/08/2022] [Indexed: 06/14/2023]
Abstract
In barley, incubation of primary dormant (D1) grains on water under conditions that do not allow germination, i.e. 30°C in air and 15°C or 30°C in 5% O2, induces a secondary dormancy (D2) expressed as a loss of the ability to germinate at 15°C in air. The aim of this study was to compare the proteome of barley embryos isolated from D1 grains and D2 ones after induction of D2 at 30°C or in hypoxia at 15°C or 30°C. Total soluble proteins were analyzed by 2DE gel-based proteomics, allowing the selection of 130 differentially accumulated proteins (DAPs) among 1,575 detected spots. According to the protein abundance profiles, the DAPs were grouped into six abundance-based similarity clusters. Induction of D2 is mainly characterized by a down-accumulation of proteins belonging to cluster 3 (storage proteins, proteases, alpha-amylase inhibitors and histone deacetylase HD2) and an up-accumulation of proteins belonging to cluster 4 (1-Cys peroxiredoxin, lipoxygenase2 and caleosin). The correlation-based network analysis for each cluster highlighted central protein hub. In addition, most of genes encoding DAPs display high co-expression degree with 19 transcription factors. Finally, this work points out that similar molecular events accompany the modulation of dormancy cycling by both temperature and oxygen, including post-translational, transcriptional and epigenetic regulation.
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Affiliation(s)
- Gwendal Cueff
- Université Paris-Saclay, INRAE, AgroParisTech, Institut Jean-Pierre Bourgin (IJPB), Route de Saint-Cyr, Versailles 78000, France
| | - Loïc Rajjou
- Université Paris-Saclay, INRAE, AgroParisTech, Institut Jean-Pierre Bourgin (IJPB), Route de Saint-Cyr, Versailles 78000, France
| | - Hai Ha Hoang
- UMR7622 CNRS-UPMC Biologie du Développement, Biologie des semences, Sorbonne Université, boîte 24, 4 place Jussieu, Paris 75005, France
| | - Christophe Bailly
- UMR7622 CNRS-UPMC Biologie du Développement, Biologie des semences, Sorbonne Université, boîte 24, 4 place Jussieu, Paris 75005, France
| | - Françoise Corbineau
- UMR7622 CNRS-UPMC Biologie du Développement, Biologie des semences, Sorbonne Université, boîte 24, 4 place Jussieu, Paris 75005, France
| | - Juliette Leymarie
- UMR7622 CNRS-UPMC Biologie du Développement, Biologie des semences, Sorbonne Université, boîte 24, 4 place Jussieu, Paris 75005, France
- Univ Paris Est Creteil, CNRS, INRAE, IRD, IEES Paris-Institut d'Ecologie et des Sciences de l'Environnement de Paris, 61 avenue du Général de Gaulle, Créteil 94010, France
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14
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Nájera-Torres E, Bernal-Gracida LA, González-Solís A, Schulte-Sasse M, Castañón-Suárez C, Juárez-Díaz JA, Cruz-Zamora Y, Vázquez-Santana S, Figueroa M, Cruz-García F. Proteolytic activities and profiles as useful traits to select barley cultivars for beer production. J Food Biochem 2022; 46:e14094. [PMID: 35322442 DOI: 10.1111/jfbc.14094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2021] [Revised: 01/05/2022] [Accepted: 01/11/2022] [Indexed: 11/28/2022]
Abstract
Barley malting depends on hydrolytic enzymes that degrade storage macromolecules. Identifying barley cultivars with proteolytic activity that guarantees appropriate foaming, flavor, and aroma in the beer is of great importance. In this work, the proteolytic activity and profiles of brewing malt from Mexican barley cultivars were analyzed. Data showed that Cys- (at 50°C) and Ser-proteases (at 70°C) are the major contributors to proteolytic activity during mashing. Essential amino acids, necessary for fermentation and production of good flavor and aroma in beer, were detected at the end of mashing. According to our results, Mexican cultivar HV2005-19 exhibits similar proteolytic activities as those from cultivar Metcalfe, which is one of the most utilized for the brewing industry. Moreover, we propose Cys- and Ser-proteases as biochemical markers during mashing at 50 and 70°C, respectively, to select barley cultivars for beer production. PRACTICAL APPLICATIONS: Proteolytic activity, which depends on activation and de novo synthesis of proteases in the aleurone layer of barley seeds, is crucial in beer production. Identifying new barley varieties that have optimal proteolytic activities is of great interest for genetic improvement programs. In this study, we propose the variety HV2005-19 as a genotype with Cys- and Ser-proteases activity similar to that from Metcalfe, which is a top variety in the brewing industry.
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Affiliation(s)
- Edgar Nájera-Torres
- Departamento de Bioquímica, Facultad de Química, Universidad Nacional Autónoma de México, Ciudad de Mexico, Mexico
| | | | - Ariadna González-Solís
- Departamento de Bioquímica, Facultad de Química, Universidad Nacional Autónoma de México, Ciudad de Mexico, Mexico
| | - Mariana Schulte-Sasse
- Departamento de Bioquímica, Facultad de Química, Universidad Nacional Autónoma de México, Ciudad de Mexico, Mexico
| | - Claudio Castañón-Suárez
- Departamento de Bioquímica, Facultad de Química, Universidad Nacional Autónoma de México, Ciudad de Mexico, Mexico
| | - Javier Andrés Juárez-Díaz
- Departamento de Biología Comparada, Facultad de Ciencias, Universidad Nacional Autónoma de México, Ciudad de Mexico, Mexico
| | - Yuridia Cruz-Zamora
- Departamento de Bioquímica, Facultad de Química, Universidad Nacional Autónoma de México, Ciudad de Mexico, Mexico
| | - Sonia Vázquez-Santana
- Departamento de Biología Comparada, Facultad de Ciencias, Universidad Nacional Autónoma de México, Ciudad de Mexico, Mexico
| | - Mario Figueroa
- Departamento Farmacia, Facultad de Química, Universidad Nacional Autónoma de México, Ciudad de Mexico, Mexico
| | - Felipe Cruz-García
- Departamento de Bioquímica, Facultad de Química, Universidad Nacional Autónoma de México, Ciudad de Mexico, Mexico
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15
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Biosynthesis of Nano-Selenium and Its Impact on Germination of Wheat under Salt Stress for Sustainable Production. SUSTAINABILITY 2022. [DOI: 10.3390/su14031784] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Selenium and its derivatives have been found capable of excellent biological responses. However, the element in its bulk form has low bioavailability and increased toxicity, meaning the production of effective forms with sustainable methods has become urgent. Several microorganisms, including fungi, bacteria and yeast, as well as higher plants, are capable of biosynthesizing nanoparticles such as nano-selenium (nano-Se), which has wide applications in medicine, agriculture and industry. Thus, the biosynthesis of nano-Se using some bacterial species was the main target of this study. The production of nano-Se and the monitoring of its impact on the wheat germination of seeds under salt stress (i.e., 50, 100, and 150 mM NaCl) was also evaluated in the current study. The ameliorative role of nano-Se doses (i.e., 50, 75, and 100 mg L−1) in the germination of wheat seeds under salt stress was also investigated. Based on sodium selenite tolerance and reducing selenite to elemental Se-NPs, the most effective isolate (TAH) was selected for identification using the 16S rRNA gene sequence, which belonged to Bacillus cereus TAH. The final germination percent, mean germination time, vigor index and germination rate index were improved by 25, 25, 39.4 and 11%, respectively, under 15 mM sodium chloride concentration when 100 mg L−1 nano-selenium was used. On the other hand, the results obtained from a gnotobiotic sand system reveal that with treatment with 100 mg L−1 nano-selenium under high Ec values of 14 ds m−1, the vegetative growth parameters of shoot length, root length, fresh weight and dry weight were improved by 22.8, 24.9, 19.2 and 20%, respectively, over untreated controls. The data obtained from this study reveal that the use of nano-selenium produced by Bacillus cereus offers improved wheat seed germination under a salt-affected environment.
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16
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iTRAQ based protein profile analysis revealed key proteins involved in regulation of drought-tolerance during seed germination in Adzuki bean. Sci Rep 2021; 11:23725. [PMID: 34887505 PMCID: PMC8660776 DOI: 10.1038/s41598-021-03178-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Accepted: 11/29/2021] [Indexed: 01/21/2023] Open
Abstract
Adzuki bean is an important legume crop due to its high-quality protein, fiber, vitamins, minerals as well as rich bioactive substances. However, it is vulnerable to drought at the germination stage. However, little information is available about the genetic control of drought tolerance during seed germination in adzuki bean. In this study, some differential expression proteins (DEPs) were identified during seed germination between the drought-tolerant variety 17235 and drought-sensitive variety 17033 in adzuki bean using iTRAQ method. A total of 2834 proteins were identified in the germinating seeds of these two adzuki beans. Compared with the variety 17033, 87 and 80 DEPs were increased and decreased accumulation in variety 17235 under drought, respectively. Meanwhile, in the control group, a few DEPs, including 9 up-regulated and 21 down-regulated proteins, were detected in variety 17235, respectively. GO, KEGG, and PPI analysis revealed that the DEPs related to carbohydrate metabolism and energy production were significantly increased in response to drought stresses. To validate the proteomic function, the ectopic overexpression of V-ATPase in tobacco was performed and the result showed that V-ATPase upregulation could enhance the drought tolerance of tobacco. The results provide valuable insights into genetic response to drought stress in adzuki bean, and the DEPs could be applied to develop biomarkers related to drought tolerant in adzuki bean breeding projects.
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17
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Smolikova G, Strygina K, Krylova E, Leonova T, Frolov A, Khlestkina E, Medvedev S. Transition from Seeds to Seedlings: Hormonal and Epigenetic Aspects. PLANTS (BASEL, SWITZERLAND) 2021; 10:1884. [PMID: 34579418 PMCID: PMC8467299 DOI: 10.3390/plants10091884] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Revised: 09/02/2021] [Accepted: 09/08/2021] [Indexed: 01/21/2023]
Abstract
Transition from seed to seedling is one of the critical developmental steps, dramatically affecting plant growth and viability. Before plants enter the vegetative phase of their ontogenesis, massive rearrangements of signaling pathways and switching of gene expression programs are required. This results in suppression of the genes controlling seed maturation and activation of those involved in regulation of vegetative growth. At the level of hormonal regulation, these events are controlled by the balance of abscisic acid and gibberellins, although ethylene, auxins, brassinosteroids, cytokinins, and jasmonates are also involved. The key players include the members of the LAFL network-the transcription factors LEAFY COTYLEDON1 and 2 (LEC 1 and 2), ABSCISIC ACID INSENSITIVE3 (ABI3), and FUSCA3 (FUS3), as well as DELAY OF GERMINATION1 (DOG1). They are the negative regulators of seed germination and need to be suppressed before seedling development can be initiated. This repressive signal is mediated by chromatin remodeling complexes-POLYCOMB REPRESSIVE COMPLEX 1 and 2 (PRC1 and PRC2), as well as PICKLE (PKL) and PICKLE-RELATED2 (PKR2) proteins. Finally, epigenetic methylation of cytosine residues in DNA, histone post-translational modifications, and post-transcriptional downregulation of seed maturation genes with miRNA are discussed. Here, we summarize recent updates in the study of hormonal and epigenetic switches involved in regulation of the transition from seed germination to the post-germination stage.
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Affiliation(s)
- Galina Smolikova
- Department of Plant Physiology and Biochemistry, St. Petersburg State University, 199034 St. Petersburg, Russia;
| | - Ksenia Strygina
- Postgenomic Studies Laboratory, Federal Research Center N.I. Vavilov All-Russian Institute of Plant Genetic Resources, 190121 St. Petersburg, Russia; (K.S.); (E.K.); (E.K.)
| | - Ekaterina Krylova
- Postgenomic Studies Laboratory, Federal Research Center N.I. Vavilov All-Russian Institute of Plant Genetic Resources, 190121 St. Petersburg, Russia; (K.S.); (E.K.); (E.K.)
| | - Tatiana Leonova
- Department of Bioorganic Chemistry, Leibniz Institute of Plant Biochemistry, 06120 Halle (Saale), Germany; (T.L.); (A.F.)
- Department of Biochemistry, St. Petersburg State University, 199034 St. Petersburg, Russia
| | - Andrej Frolov
- Department of Bioorganic Chemistry, Leibniz Institute of Plant Biochemistry, 06120 Halle (Saale), Germany; (T.L.); (A.F.)
- Department of Biochemistry, St. Petersburg State University, 199034 St. Petersburg, Russia
| | - Elena Khlestkina
- Postgenomic Studies Laboratory, Federal Research Center N.I. Vavilov All-Russian Institute of Plant Genetic Resources, 190121 St. Petersburg, Russia; (K.S.); (E.K.); (E.K.)
| | - Sergei Medvedev
- Department of Plant Physiology and Biochemistry, St. Petersburg State University, 199034 St. Petersburg, Russia;
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18
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Dermendjiev G, Schnurer M, Weiszmann J, Wilfinger S, Ott E, Gebert C, Weckwerth W, Ibl V. Tissue-Specific Proteome and Subcellular Microscopic Analyses Reveal the Effect of High Salt Concentration on Actin Cytoskeleton and Vacuolization in Aleurone Cells during Early Germination of Barley. Int J Mol Sci 2021; 22:ijms22179642. [PMID: 34502558 PMCID: PMC8431815 DOI: 10.3390/ijms22179642] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Revised: 09/01/2021] [Accepted: 09/03/2021] [Indexed: 01/03/2023] Open
Abstract
Cereal grain germination provides the basis for crop production and requires a tissue-specific interplay between the embryo and endosperm during heterotrophic germination involving signalling, protein secretion, and nutrient uptake until autotrophic growth is possible. High salt concentrations in soil are one of the most severe constraints limiting the germination of crop plants, affecting the metabolism and redox status within the tissues of germinating seed. However, little is known about the effect of salt on seed storage protein mobilization, the endomembrane system, and protein trafficking within and between these tissues. Here, we used mass spectrometry analyses to investigate the protein dynamics of the embryo and endosperm of barley (Hordeum vulgare, L.) at five different early points during germination (0, 12, 24, 48, and 72 h after imbibition) in germinated grains subjected to salt stress. The expression of proteins in the embryo as well as in the endosperm was temporally regulated. Seed storage proteins (SSPs), peptidases, and starch-digesting enzymes were affected by salt. Additionally, microscopic analyses revealed an altered assembly of actin bundles and morphology of protein storage vacuoles (PSVs) in the aleurone layer. Our results suggest that besides the salt-induced protein expression, intracellular trafficking and actin cytoskeleton assembly are responsible for germination delay under salt stress conditions.
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Affiliation(s)
- Georgi Dermendjiev
- Department of Functional and Evolutionary Ecology, Molecular Systems Biology (MoSys), Faculty of Life Sciences, University of Vienna, Djerassiplatz 1, 1030 Wien, Austria; (G.D.); (M.S.); (J.W.); (S.W.); (E.O.); (C.G.); (W.W.)
| | - Madeleine Schnurer
- Department of Functional and Evolutionary Ecology, Molecular Systems Biology (MoSys), Faculty of Life Sciences, University of Vienna, Djerassiplatz 1, 1030 Wien, Austria; (G.D.); (M.S.); (J.W.); (S.W.); (E.O.); (C.G.); (W.W.)
| | - Jakob Weiszmann
- Department of Functional and Evolutionary Ecology, Molecular Systems Biology (MoSys), Faculty of Life Sciences, University of Vienna, Djerassiplatz 1, 1030 Wien, Austria; (G.D.); (M.S.); (J.W.); (S.W.); (E.O.); (C.G.); (W.W.)
| | - Sarah Wilfinger
- Department of Functional and Evolutionary Ecology, Molecular Systems Biology (MoSys), Faculty of Life Sciences, University of Vienna, Djerassiplatz 1, 1030 Wien, Austria; (G.D.); (M.S.); (J.W.); (S.W.); (E.O.); (C.G.); (W.W.)
| | - Emanuel Ott
- Department of Functional and Evolutionary Ecology, Molecular Systems Biology (MoSys), Faculty of Life Sciences, University of Vienna, Djerassiplatz 1, 1030 Wien, Austria; (G.D.); (M.S.); (J.W.); (S.W.); (E.O.); (C.G.); (W.W.)
| | - Claudia Gebert
- Department of Functional and Evolutionary Ecology, Molecular Systems Biology (MoSys), Faculty of Life Sciences, University of Vienna, Djerassiplatz 1, 1030 Wien, Austria; (G.D.); (M.S.); (J.W.); (S.W.); (E.O.); (C.G.); (W.W.)
| | - Wolfram Weckwerth
- Department of Functional and Evolutionary Ecology, Molecular Systems Biology (MoSys), Faculty of Life Sciences, University of Vienna, Djerassiplatz 1, 1030 Wien, Austria; (G.D.); (M.S.); (J.W.); (S.W.); (E.O.); (C.G.); (W.W.)
- Vienna Metabolomics Center (VIME), University of Vienna, Djerassiplatz 1, 1030 Wien, Austria
| | - Verena Ibl
- Department of Functional and Evolutionary Ecology, Molecular Systems Biology (MoSys), Faculty of Life Sciences, University of Vienna, Djerassiplatz 1, 1030 Wien, Austria; (G.D.); (M.S.); (J.W.); (S.W.); (E.O.); (C.G.); (W.W.)
- Correspondence:
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19
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Bahmani M, O’Lone CE, Juhász A, Nye-Wood M, Dunn H, Edwards IB, Colgrave ML. Application of Mass Spectrometry-Based Proteomics to Barley Research. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:8591-8609. [PMID: 34319719 PMCID: PMC8389776 DOI: 10.1021/acs.jafc.1c01871] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/09/2023]
Abstract
Barley (Hordeum vulgare) is the fourth most cultivated crop in the world in terms of production volume, and it is also the most important raw material of the malting and brewing industries. Barley belongs to the grass (Poaceae) family and plays an important role in food security and food safety for both humans and livestock. With the global population set to reach 9.7 billion by 2050, but with less available and/or suitable land for agriculture, the use of biotechnology tools in breeding programs are of considerable importance in the quest to meet the growing food gap. Proteomics as a member of the "omics" technologies has become popular for the investigation of proteins in cereal crops and particularly barley and its related products such as malt and beer. This technology has been applied to study how proteins in barley respond to adverse environmental conditions including abiotic and/or biotic stresses, how they are impacted during food processing including malting and brewing, and the presence of proteins implicated in celiac disease. Moreover, proteomics can be used in the future to inform breeding programs that aim to enhance the nutritional value and broaden the application of this crop in new food and beverage products. Mass spectrometry analysis is a valuable tool that, along with genomics and transcriptomics, can inform plant breeding strategies that aim to produce superior barley varieties. In this review, recent studies employing both qualitative and quantitative mass spectrometry approaches are explored with a focus on their application in cultivation, manufacturing, processing, quality, and the safety of barley and its related products.
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Affiliation(s)
- Mahya Bahmani
- Australian
Research Council Centre of Excellence for Innovations in Peptide and
Protein Science, Edith Cowan University, School of Science, 270 Joondalup
Drive, Joondalup, Western
Australia 6027, Australia
| | - Clare E. O’Lone
- Australian
Research Council Centre of Excellence for Innovations in Peptide and
Protein Science, Edith Cowan University, School of Science, 270 Joondalup
Drive, Joondalup, Western
Australia 6027, Australia
| | - Angéla Juhász
- Australian
Research Council Centre of Excellence for Innovations in Peptide and
Protein Science, Edith Cowan University, School of Science, 270 Joondalup
Drive, Joondalup, Western
Australia 6027, Australia
| | - Mitchell Nye-Wood
- Australian
Research Council Centre of Excellence for Innovations in Peptide and
Protein Science, Edith Cowan University, School of Science, 270 Joondalup
Drive, Joondalup, Western
Australia 6027, Australia
| | - Hugh Dunn
- Australian
Research Council Centre of Excellence for Innovations in Peptide and
Protein Science, Edith Cowan University, School of Science, 270 Joondalup
Drive, Joondalup, Western
Australia 6027, Australia
| | - Ian B. Edwards
- Edstar
Genetics Pty Ltd, SABC - Loneragan Building, Murdoch University, 90 South Street, Murdoch, Western Australia 6150, Australia
| | - Michelle L. Colgrave
- Australian
Research Council Centre of Excellence for Innovations in Peptide and
Protein Science, Edith Cowan University, School of Science, 270 Joondalup
Drive, Joondalup, Western
Australia 6027, Australia
- CSIRO
Agriculture and Food, 306 Carmody Road, St. Lucia, Queensland 4067, Australia
- Phone: +61-7-3214-2697. . Fax: +61-7-3214-2900
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20
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Meziani S, Nadaud I, Tasleem-Tahir A, Nurit E, Benguella R, Branlard G. Wheat aleurone layer: A site enriched with nutrients and bioactive molecules with potential nutritional opportunities for breeding. J Cereal Sci 2021. [DOI: 10.1016/j.jcs.2021.103225] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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21
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Gomez-Sanchez A, Santamaria ME, Gonzalez-Melendi P, Muszynska A, Matthess C, Martinez M, Diaz I. Repression of barley cathepsins, HvPap-19 and HvPap-1, differentially alters grain composition and delays germination. JOURNAL OF EXPERIMENTAL BOTANY 2021; 72:3474-3485. [PMID: 33454762 DOI: 10.1093/jxb/erab007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Accepted: 01/13/2021] [Indexed: 06/12/2023]
Abstract
During barley germination, cysteine proteases are essential in the mobilization of storage compounds providing peptides and amino acids to sustain embryo growth until photosynthesis is completely established. Knockdown barley plants, generated by artificial miRNA, for the cathepsins B- and F-like HvPap-19 and HvPap-1 genes, respectively, showed less cysteine protease activities and consequently lower protein degradation. The functional redundancy between proteases triggered an enzymatic compensation associated with an increase in serine protease activities in both knockdown lines, which was not sufficient to maintain germination rates and behaviour. Concomitantly, these transgenic lines showed alterations in the accumulation of protein and carbohydrates in the grain. While the total amount of protein increased in both transgenic lines, the starch content decreased in HvPap-1 knockdown lines and the sucrose concentration was reduced in silenced HvPap-19 grains. Consequently, phenotypes of HvPap-1 and HvPap-19 artificial miRNA lines showed a delay in the grain germination process. These data demonstrate the potential of exploring the properties of barley proteases for selective modification and use in brewing or in the livestock feeding industry.
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Affiliation(s)
- Andrea Gomez-Sanchez
- Centro de Biotecnología y Genómica de Plantas, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria, Universidad Politécnica de Madrid, Madrid (UPM), Spain
| | - M Estrella Santamaria
- Centro de Biotecnología y Genómica de Plantas, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria, Universidad Politécnica de Madrid, Madrid (UPM), Spain
| | - Pablo Gonzalez-Melendi
- Centro de Biotecnología y Genómica de Plantas, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria, Universidad Politécnica de Madrid, Madrid (UPM), Spain
- Departamento de Biotecnología-Biología Vegetal, Escuela Técnica Superior de Ingeniería Agronómica, Alimentaria y de Biosistemas, UPM, Madrid, Spain
| | - Aleksandra Muszynska
- Institute of Plant Genetics and Crop Plant Research (IPK), Corrensstrasse, Gatersleben, Germany
| | - Christiane Matthess
- Institute of Plant Genetics and Crop Plant Research (IPK), Corrensstrasse, Gatersleben, Germany
| | - Manuel Martinez
- Centro de Biotecnología y Genómica de Plantas, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria, Universidad Politécnica de Madrid, Madrid (UPM), Spain
- Departamento de Biotecnología-Biología Vegetal, Escuela Técnica Superior de Ingeniería Agronómica, Alimentaria y de Biosistemas, UPM, Madrid, Spain
| | - Isabel Diaz
- Centro de Biotecnología y Genómica de Plantas, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria, Universidad Politécnica de Madrid, Madrid (UPM), Spain
- Departamento de Biotecnología-Biología Vegetal, Escuela Técnica Superior de Ingeniería Agronómica, Alimentaria y de Biosistemas, UPM, Madrid, Spain
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22
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Bradauskiene V, Vaiciulyte-Funk L, Shah B, Cernauskas D, Tita M. Recent Advances in Biotechnological Methods for Wheat Gluten Immunotoxicity Abolishment – a Review. POL J FOOD NUTR SCI 2021. [DOI: 10.31883/pjfns/132853] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
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23
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Yan M, Zheng L, Li B, Shen R, Lan P. Comparative proteomics reveals new insights into the endosperm responses to drought, salinity and submergence in germinating wheat seeds. PLANT MOLECULAR BIOLOGY 2021; 105:287-302. [PMID: 33104943 DOI: 10.1007/s11103-020-01087-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Accepted: 10/15/2020] [Indexed: 05/20/2023]
Abstract
Beyond the role of a nutrient reservoir during germination, the endosperm of wheat seeds also responds to different abiotic stresses via modification of the protein profiles. The endosperm is the main component of wheat seeds. During seed germination, it provides nutrients to support the embryo development, and its constituents vary under environmental stresses such as drought, salinity and submergence that are associated with disordered water supply. However, the molecular mechanism of these stress responses remains unclear. In this study, a comparative label-free proteomic analysis was performed on endosperm from the germinating wheat seeds subjected to PEG, NaCl and submergence treatments. In total, 2273 high confidence proteins were detected, and 234, 207 and 209 of them were identified as differentially expressed proteins (DEPs) under the three stresses, respectively. Functional classification revealed that the DEPs were mainly involved in protein, amino acid and organic acid metabolic process in all stress treatments. While some other metabolic processes were highlighted in one or two of the stresses specifically, such as oxidative phosphorylation in PEG and submergence, and β-alanine metabolism in PEG and NaCl treatments. The identification of a series of stress-related proteins and their biased expression in different stresses indicates the active stress-responding role of endosperm beyond a simple nutrient reservoir during germination, while the overall stress responses of the endosperm were found to be moderate and lag behind the embryo. Besides, some fundamental processes and DEPs shared by the three stresses could be selected priorly for future molecular breeding researches. Our results provide new insights into the mechanism of endosperm responses to abiotic stresses during seed germination.
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Affiliation(s)
- Mingke Yan
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing, 210008, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Lu Zheng
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing, 210008, China
| | - Bingjuan Li
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing, 210008, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Renfang Shen
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing, 210008, China
| | - Ping Lan
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing, 210008, China.
- University of Chinese Academy of Sciences, Beijing, 100049, China.
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24
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Comparative proteome analysis of matured dry and germinating Moringa oleifera seeds provides insights into protease activity during germination. Food Res Int 2020; 136:109332. [DOI: 10.1016/j.foodres.2020.109332] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2020] [Revised: 05/09/2020] [Accepted: 05/16/2020] [Indexed: 12/16/2022]
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25
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Aparicio-García N, Martínez-Villaluenga C, Frias J, Peñas E. Sprouted oat as a potential gluten-free ingredient with enhanced nutritional and bioactive properties. Food Chem 2020; 338:127972. [PMID: 32932082 DOI: 10.1016/j.foodchem.2020.127972] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 08/17/2020] [Accepted: 08/29/2020] [Indexed: 12/24/2022]
Abstract
This study is aimed to produce and characterize a novel gluten-free ingredient from oat through sprouting at 18 °C for 96 h. The nutritional and bioactive properties as well as key enzymatic activities were studied in sprouted oat powder and compared with those of oat grain powder (control). Sprouted oat powder was an excellent source of protein (10.7%), β-glucan (2.1%), thiamine (687.1 μg/100 g), riboflavin (218.4 μg/100 g), and minerals (P, K, Mg and Ca), and presented better amino acid and fatty acid compositions and levels of γ-aminobutyric acid (54.9 mg/100 g), free phenolics (507.4 mg GA/100 g) and antioxidant capacity (1744.3 mg TE/100 g) than control. Enhanced protease and α-amylase and reduced lipase activities were observed in sprouted oat powder, which are promising features to improve its nutritional, sensorial and health-promoting properties. These results support the use of sprouted oat powder as a promising gluten-free functional ingredient.
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Affiliation(s)
- Natalia Aparicio-García
- Institute of Food Science, Technology and Nutrition (ICTAN-CSIC), Juan de la Cierva 3, 28006 Madrid, Spain
| | | | - Juana Frias
- Institute of Food Science, Technology and Nutrition (ICTAN-CSIC), Juan de la Cierva 3, 28006 Madrid, Spain
| | - Elena Peñas
- Institute of Food Science, Technology and Nutrition (ICTAN-CSIC), Juan de la Cierva 3, 28006 Madrid, Spain.
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26
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Mwando E, Angessa TT, Han Y, Li C. Salinity tolerance in barley during germination- homologs and potential genes. J Zhejiang Univ Sci B 2020; 21:93-121. [PMID: 32115909 PMCID: PMC7076347 DOI: 10.1631/jzus.b1900400] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2019] [Accepted: 09/25/2019] [Indexed: 12/13/2022]
Abstract
Salinity affects more than 6% of the world's total land area, causing massive losses in crop yield. Salinity inhibits plant growth and development through osmotic and ionic stresses; however, some plants exhibit adaptations through osmotic regulation, exclusion, and translocation of accumulated Na+ or Cl-. Currently, there are no practical, economically viable methods for managing salinity, so the best practice is to grow crops with improved tolerance. Germination is the stage in a plant's life cycle most adversely affected by salinity. Barley, the fourth most important cereal crop in the world, has outstanding salinity tolerance, relative to other cereal crops. Here, we review the genetics of salinity tolerance in barley during germination by summarizing reported quantitative trait loci (QTLs) and functional genes. The homologs of candidate genes for salinity tolerance in Arabidopsis, soybean, maize, wheat, and rice have been blasted and mapped on the barley reference genome. The genetic diversity of three reported functional gene families for salt tolerance during barley germination, namely dehydration-responsive element-binding (DREB) protein, somatic embryogenesis receptor-like kinase and aquaporin genes, is discussed. While all three gene families show great diversity in most plant species, the DREB gene family is more diverse in barley than in wheat and rice. Further to this review, a convenient method for screening for salinity tolerance at germination is needed, and the mechanisms of action of the genes involved in salt tolerance need to be identified, validated, and transferred to commercial cultivars for field production in saline soil.
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Affiliation(s)
- Edward Mwando
- Western Barley Genetics Alliance, College of Science, Health, Engineering and Education, Murdoch University, Murdoch, WA 6150, Australia
- Western Australian State Agricultural Biotechnology Centre, Murdoch University, Murdoch, WA 6150, Australia
| | - Tefera Tolera Angessa
- Western Barley Genetics Alliance, College of Science, Health, Engineering and Education, Murdoch University, Murdoch, WA 6150, Australia
- Western Australian State Agricultural Biotechnology Centre, Murdoch University, Murdoch, WA 6150, Australia
- Department of Primary Industries and Regional Development, 3 Baron-Hay Court, South Perth, WA 6151, Australia
| | - Yong Han
- Western Barley Genetics Alliance, College of Science, Health, Engineering and Education, Murdoch University, Murdoch, WA 6150, Australia
- Western Australian State Agricultural Biotechnology Centre, Murdoch University, Murdoch, WA 6150, Australia
| | - Chengdao Li
- Western Barley Genetics Alliance, College of Science, Health, Engineering and Education, Murdoch University, Murdoch, WA 6150, Australia
- Western Australian State Agricultural Biotechnology Centre, Murdoch University, Murdoch, WA 6150, Australia
- Department of Primary Industries and Regional Development, 3 Baron-Hay Court, South Perth, WA 6151, Australia
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27
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Editorial for Special Issue "Molecular Advances in Wheat and Barley". Int J Mol Sci 2019; 20:ijms20143501. [PMID: 31315309 PMCID: PMC6678518 DOI: 10.3390/ijms20143501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Revised: 07/15/2019] [Accepted: 07/15/2019] [Indexed: 12/02/2022] Open
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28
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Iglesias-Fernández R, Pastor-Mora E, Vicente-Carbajosa J, Carbonero P. A Possible Role of the Aleurone Expressed Gene HvMAN1 in the Hydrolysis of the Cell Wall Mannans of the Starchy Endosperm in Germinating Hordeum vulgare L. Seeds. FRONTIERS IN PLANT SCIENCE 2019; 10:1706. [PMID: 32038680 PMCID: PMC6983769 DOI: 10.3389/fpls.2019.01706] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Accepted: 12/04/2019] [Indexed: 05/17/2023]
Abstract
The barley endo-β-mannanase (MAN) gene family (HvMAN1-6) has been identified and the expression of its members analyzed throughout different plant organs, and upon grain development and germination. The HvMAN1 gene has been found to be highly expressed in developing and germinating grains. The MAN (EC 3.2.1.78) enzymatic activity gets a maximum in grains at 48 h of germination (post-germination event). Immunolocalization of mannan polymers in grains has revealed the presence of these polysaccharides in the endosperm cell walls (CWs). By mRNA in situ hybridization assays, the HvMAN1 transcripts have been localized to the aleurone layer, but not to the dead starchy endosperm cells. These data suggest that MAN1 is synthesized in the aleurone layer during early grain imbibition and moves potentially through the apoplast to the endosperm where the hydrolysis of the mannan polymers takes place after germination sensu stricto. Hence, mannans in the starchy endosperm CWs, besides their structural function, could be used as reserve compounds upon barley post-germination.
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Affiliation(s)
- Raquel Iglesias-Fernández
- Centro de Biotecnología y Genómica de Plantas-Severo Ochoa (CBGP, UPM-INIA), Universidad Politécnica de Madrid (UPM) - Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Pozuelo de Alarcón, Spain
- Departamento de Biotecnología-Biología Vegetal, Escuela Técnica Superior de Ingeniería Agronómica, Alimentaria y de Biosistemas, Madrid, Spain
- *Correspondence: Raquel Iglesias-Fernández,
| | - Elena Pastor-Mora
- Centro de Biotecnología y Genómica de Plantas-Severo Ochoa (CBGP, UPM-INIA), Universidad Politécnica de Madrid (UPM) - Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Pozuelo de Alarcón, Spain
| | - Jesús Vicente-Carbajosa
- Centro de Biotecnología y Genómica de Plantas-Severo Ochoa (CBGP, UPM-INIA), Universidad Politécnica de Madrid (UPM) - Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Pozuelo de Alarcón, Spain
- Departamento de Biotecnología-Biología Vegetal, Escuela Técnica Superior de Ingeniería Agronómica, Alimentaria y de Biosistemas, Madrid, Spain
| | - Pilar Carbonero
- Centro de Biotecnología y Genómica de Plantas-Severo Ochoa (CBGP, UPM-INIA), Universidad Politécnica de Madrid (UPM) - Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Pozuelo de Alarcón, Spain
- Departamento de Biotecnología-Biología Vegetal, Escuela Técnica Superior de Ingeniería Agronómica, Alimentaria y de Biosistemas, Madrid, Spain
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