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Rohman MM, Begum S, Mohi-Ud-Din M. A 7×7 diallel cross for developing high-yielding and saline-tolerant barley ( Hordeum vulgare L.). Heliyon 2024; 10:e34278. [PMID: 39082039 PMCID: PMC11284426 DOI: 10.1016/j.heliyon.2024.e34278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2024] [Revised: 06/25/2024] [Accepted: 07/07/2024] [Indexed: 08/02/2024] Open
Abstract
In this experiment, F1s produced from a 7 × 7 half-diallel cross along with their parents were evaluated to develop high yielding and saline-tolerant barley lines. The investigation focused on the general combining ability (GCA) of parents, specific combining ability (SCA) of offspring, genetic action, and heterosis of eight quantitative variables. Genetic analysis and potence ratio suggested that different degrees of dominance controlling the inheritance of the studied traits. Significant GCA and SCA variances suggested the presence of both additive and non-additive gene actions controlling the traits. However, a GCA:SCA ratio lower than 1 indicated the preponderance of the non-additive gene action involved in the expression of the traits. The parents P5 and P6 possess the genetic potential favorable for early and short stature in their F1s. Conversely, P2 and P4 were more likely to produce short F1s with high yield potential. Based on the mean performance, SCA, and heterobeltiosis, crosses P2 × P3, P2 × P7, P3 × P4, P4 × P5, P5 × P6, and P6 × P7 were selected as promising F1s for earliness, short stature, and high yield potential. These crosses are recommended for further breeding to obtain early-maturing and high-yielding segregants. To identify saline-tolerant F1s, screening was conducted in saline media prepared in half-strength Hoagland solution. The salinity stress involved exposing F1s to 100 mM NaCl for first 10 days, and followed by an increase to 150 mM until maturity. Among the F1s, five crosses (P1 × P2, P2 × P3, P3 × P5, P4 × P6, and P4 × P7) exhibited promising signs of saline tolerance based on a comprehensive evaluation of healthy seed set, K+/Na+ ratio, root volume, generation of reactive oxygen species (O2 •- and H2O2), and activities of key antioxidant enzymes like superoxide dismutase (SOD), catalase (CAT), peroxidase (POD), ascorbate peroxidase (APX), and glutathione reductase (GR). These crosses will undergo further evaluation in the next filial generation to confirm heritable saline tolerance.
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Affiliation(s)
- Md. Motiar Rohman
- Plant Breeding Division, Bangladesh Agricultural Research Institute, Gazipur, Bangladesh
| | - Shahnewaz Begum
- Plant Breeding Division, Bangladesh Agricultural Research Institute, Gazipur, Bangladesh
| | - Mohammed Mohi-Ud-Din
- Department of Crop Botany, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur, Bangladesh
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2
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Amouzoune M, Rehman S, Benkirane R, Udupa S, Mamidi S, Kehel Z, Al-Jaboobi M, Amri A. Genome wide association study of seedling and adult plant leaf rust resistance in two subsets of barley genetic resources. Sci Rep 2024; 14:15428. [PMID: 38965257 PMCID: PMC11224298 DOI: 10.1038/s41598-024-53149-2] [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: 05/31/2023] [Accepted: 01/29/2024] [Indexed: 07/06/2024] Open
Abstract
Leaf rust (LR) caused by Puccinia hordei is a serious disease of barley worldwide, causing significant yield losses and reduced grain quality. Discovery and incorporation of new sources of resistance from gene bank accessions into barley breeding programs is essential for the development of leaf rust resistant varieties. To identify Quantitative Trait Loci (QTL) conferring LR resistance in the two barley subsets, the Generation Challenge Program (GCP) reference set of 142 accessions and the leaf rust subset constructed using the Focused Identification of Germplasm Strategy (FIGS) of 76 barley accessions, were genotyped to conduct a genome-wide association study (GWAS). The results revealed a total of 59 QTL in the 218 accessions phenotyped against barley leaf rust at the seedling stage using two P. hordei isolates (ISO-SAT and ISO-MRC), and at the adult plant stage in four environments in Morocco. Out of these 59 QTL, 10 QTL were associated with the seedling resistance (SR) and 49 QTL were associated with the adult plant resistance (APR). Four QTL showed stable effects in at least two environments for APR, whereas two common QTL associated with SR and APR were detected on chromosomes 2H and 7H. Furthermore, 39 QTL identified in this study were potentially novel. Interestingly, the sequences of 27 SNP markers encoded the candidate genes (CGs) with predicted protein functions in plant disease resistance. These results will provide new perspectives on the diversity of leaf rust resistance loci for fine mapping, isolation of resistance genes, and for marker-assisted selection for the LR resistance in barley breeding programs worldwide.
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Affiliation(s)
- Mariam Amouzoune
- Faculty of Sciences, University Ibn Tofail, 14000, Kenitra, Morocco.
- Biodiversity and Crop Improvement Program, International Center for Agricultural Research in the Dry Areas (ICARDA), 10100, Rabat, Morocco.
| | - Sajid Rehman
- Biodiversity and Crop Improvement Program, International Center for Agricultural Research in the Dry Areas (ICARDA), 10100, Rabat, Morocco
- Field Crop Development Center, The Olds College, Lacombe, AB, T4L 1W8, Canada
| | - Rachid Benkirane
- Faculty of Sciences, University Ibn Tofail, 14000, Kenitra, Morocco
| | - Sripada Udupa
- Biodiversity and Crop Improvement Program, International Center for Agricultural Research in the Dry Areas (ICARDA), 10100, Rabat, Morocco
| | - Sujan Mamidi
- Hudson Alpha Institute for Biotechnology, 601 Genome Way Northwest, Huntsville, AL, 35806, USA
| | - Zakaria Kehel
- Biodiversity and Crop Improvement Program, International Center for Agricultural Research in the Dry Areas (ICARDA), 10100, Rabat, Morocco
| | - Muamer Al-Jaboobi
- Biodiversity and Crop Improvement Program, International Center for Agricultural Research in the Dry Areas (ICARDA), 10100, Rabat, Morocco
| | - Ahmed Amri
- Biodiversity and Crop Improvement Program, International Center for Agricultural Research in the Dry Areas (ICARDA), 10100, Rabat, Morocco
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3
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Wan K, Buitrago S, Cheng B, Zhang W, Pan R. Analysis of chitinase gene family in barley and function study of HvChi22 involved in drought tolerance. Mol Biol Rep 2024; 51:731. [PMID: 38869677 DOI: 10.1007/s11033-024-09651-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2024] [Accepted: 05/17/2024] [Indexed: 06/14/2024]
Abstract
BACKGROUND Chitinase (Chi) is a pathogenesis-related protein, also reported to play an important role in plant responses to abiotic stress. However, its role in response to abiotic stress in barley is still unclear. RESULTS In this study, a total of 61 Chi gene family members were identified from the whole genome of wild barley EC_S1. Phylogenetic analysis suggested that these family genes were divided into five groups. Among these genes, four pairs of collinearity genes were discovered. Besides, abundant cis-regulatory elements, including drought response element and abscisic acid response element were identified in the promoter regions of HvChi gene family members. The expression profiles revealed that most HvChi family members were significantly up-regulated under drought stress, which was also validated by RT-qPCR measurements. To further explore the role of Chi under drought stress, HvChi22 was overexpressed in Arabidopsis. Compared to wild-type plants, overexpression of HvChi22 enhanced drought tolerance by increasing the activity of oxidative protective enzymes, which caused less MDA accumulation. CONCLUSION Our study improved the understanding of the Chi gene family under drought stress in barley, and provided a theoretical basis for crop improvement strategies to address the challenges posed by changing environmental conditions.
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Affiliation(s)
- Kui Wan
- Research Center of Crop Stresses Resistance Technologies/ MARA Key Laboratory of Sustainable Crop Production in the Middle Reaches of the Yangtze River, Yangtze University, Jingzhou, 434025, China
| | - Sebastian Buitrago
- Research Center of Crop Stresses Resistance Technologies/ MARA Key Laboratory of Sustainable Crop Production in the Middle Reaches of the Yangtze River, Yangtze University, Jingzhou, 434025, China
| | - Bingyun Cheng
- Research Center of Crop Stresses Resistance Technologies/ MARA Key Laboratory of Sustainable Crop Production in the Middle Reaches of the Yangtze River, Yangtze University, Jingzhou, 434025, China
| | - Wenying Zhang
- Research Center of Crop Stresses Resistance Technologies/ MARA Key Laboratory of Sustainable Crop Production in the Middle Reaches of the Yangtze River, Yangtze University, Jingzhou, 434025, China.
| | - Rui Pan
- Research Center of Crop Stresses Resistance Technologies/ MARA Key Laboratory of Sustainable Crop Production in the Middle Reaches of the Yangtze River, Yangtze University, Jingzhou, 434025, China.
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4
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Bohle F, Klaus A, Ingelfinger J, Tegethof H, Safari N, Schwarzländer M, Hochholdinger F, Hahn M, Meyer AJ, Acosta IF, Müller-Schüssele SJ. Contrasting cytosolic glutathione redox dynamics under abiotic and biotic stress in barley as revealed by the biosensor Grx1-roGFP2. JOURNAL OF EXPERIMENTAL BOTANY 2024; 75:2299-2312. [PMID: 38301663 DOI: 10.1093/jxb/erae035] [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: 01/11/2024] [Accepted: 01/29/2024] [Indexed: 02/03/2024]
Abstract
Barley is a staple crop of major global importance and relatively resilient to a wide range of stress factors in the field. Transgenic reporter lines to investigate physiological parameters during stress treatments remain scarce. We generated and characterized transgenic homozygous barley lines (cv. Golden Promise Fast) expressing the genetically encoded biosensor Grx1-roGFP2, which indicates the redox potential of the major antioxidant glutathione in the cytosol. Our results demonstrated functionality of the sensor in living barley plants. We determined the glutathione redox potential (EGSH) of the cytosol to be in the range of -308 mV to -320 mV. EGSH was robust against a combined NaCl (150 mM) and water deficit treatment (-0.8 MPa) but responded with oxidation to infiltration with the phytotoxic secretome of the necrotrophic fungus Botrytis cinerea. The generated reporter lines are a novel resource to study biotic and abiotic stress resilience in barley, pinpointing that even severe abiotic stress leading to a growth delay does not automatically induce cytosolic EGSH oxidation, while necrotrophic pathogens can undermine this robustness.
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Affiliation(s)
- Finja Bohle
- Molecular Botany, Department of Biology, RPTU Kaiserslautern-Landau, D-67633 Kaiserslautern, Germany
- Chemical Signalling, Institute of Crop Science and Resource Conservation (INRES), University of Bonn, D-53113 Bonn, Germany
| | - Alina Klaus
- Crop Functional Genomics, Institute of Crop Science and Resource Conservation (INRES), University of Bonn, D-53113 Bonn, Germany
| | - Julian Ingelfinger
- Molecular Botany, Department of Biology, RPTU Kaiserslautern-Landau, D-67633 Kaiserslautern, Germany
| | - Hendrik Tegethof
- Chemical Signalling, Institute of Crop Science and Resource Conservation (INRES), University of Bonn, D-53113 Bonn, Germany
| | - Nassim Safari
- Phytopathology, Department of Biology, RPTU Kaiserslautern-Landau, D-67633 Kaiserslautern, Germany
| | - Markus Schwarzländer
- Institute of Plant Biology and Biotechnology, University of Münster, D-48143 Münster, Germany
| | - Frank Hochholdinger
- Crop Functional Genomics, Institute of Crop Science and Resource Conservation (INRES), University of Bonn, D-53113 Bonn, Germany
| | - Matthias Hahn
- Phytopathology, Department of Biology, RPTU Kaiserslautern-Landau, D-67633 Kaiserslautern, Germany
| | - Andreas J Meyer
- Chemical Signalling, Institute of Crop Science and Resource Conservation (INRES), University of Bonn, D-53113 Bonn, Germany
| | - Ivan F Acosta
- Max Planck Institute for Plant Breeding Research, D-50829 Cologne, Germany
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5
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Pütsepp R, Mäe A, Põllumaa L, Andresen L, Kiiker R. Fungicide Sensitivity Profile of Pyrenophora teres f. teres in Field Population. J Fungi (Basel) 2024; 10:260. [PMID: 38667932 PMCID: PMC11051325 DOI: 10.3390/jof10040260] [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: 02/15/2024] [Revised: 03/14/2024] [Accepted: 03/27/2024] [Indexed: 04/28/2024] Open
Abstract
Pyrenophora teres f. teres (Ptt) is a severe pathogen to spring barley in Northern Europe. Ptt with relevant mutations in fungicide target proteins, sterol 14α-demethylase (CYP51A), cytochrome b (Cyt b), and succinate dehydrogenase (SDH) would put efficient disease control at risk. In the growing seasons of 2021 and 2022, 193 Ptt isolates from Estonia were analysed. In this study, mutation detection and in vitro fungicide sensitivity assays of single-spore isolates were carried out. Reduced sensitivity phenotype to mefentrifluconazole was evident in Ptt isolates with a F489L mutation in CYP51A or with 129 bp insert in the Cyp51A gene-promoter region. However, sensitivity to a prothioconazole-desthio remained high regardless of these molecular changes. The Ptt population was mostly sensitive to bixafen, fluxapyroxad, pyraclostrobin, and azoxystrobin. The sensitivity of fluxapyroxad and bixafen has been affected by two mutations, C-S135R and D-H134R, found in SDH subunits. The F129L mutation in Cyt b influenced azoxystrobin but not pyraclostrobin sensitivity. In total, 30 isolates from five fields had relevant mutations in three target protein genes simultaneously. Most of these isolates had a reduced sensitivity phenotype to mefentrifluconazole, fluxapyroxad, and azoxystrobin, while sensitivity to other tested fungicides remained high. Furthermore, possible sexual reproduction may enhance the pathogen's fitness and help it adapt to fungicides.
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Affiliation(s)
| | | | | | | | - Riinu Kiiker
- Centre of Estonian Rural Research and Knowledge, 48309 Jõgeva Alevik, Estonia; (R.P.)
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Bernád V, Al-Tamimi N, Langan P, Gillespie G, Dempsey T, Henchy J, Harty M, Ramsay L, Houston K, Macaulay M, Shaw PD, Raubach S, Mcdonnel KP, Russell J, Waugh R, Khodaeiaminjan M, Negrão S. Unlocking the genetic diversity and population structure of the newly introduced two-row spring European HerItage Barley collecTion (ExHIBiT). FRONTIERS IN PLANT SCIENCE 2024; 15:1268847. [PMID: 38571708 PMCID: PMC10987740 DOI: 10.3389/fpls.2024.1268847] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Accepted: 02/28/2024] [Indexed: 04/05/2024]
Abstract
In the last century, breeding programs have traditionally favoured yield-related traits, grown under high-input conditions, resulting in a loss of genetic diversity and an increased susceptibility to stresses in crops. Thus, exploiting understudied genetic resources, that potentially harbour tolerance genes, is vital for sustainable agriculture. Northern European barley germplasm has been relatively understudied despite its key role within the malting industry. The European Heritage Barley collection (ExHIBiT) was assembled to explore the genetic diversity in European barley focusing on Northern European accessions and further address environmental pressures. ExHIBiT consists of 363 spring-barley accessions, focusing on two-row type. The collection consists of landraces (~14%), old cultivars (~18%), elite cultivars (~67%) and accessions with unknown breeding history (~1%), with 70% of the collection from Northern Europe. The population structure of the ExHIBiT collection was subdivided into three main clusters primarily based on the accession's year of release using 26,585 informative SNPs based on 50k iSelect single nucleotide polymorphism (SNP) array data. Power analysis established a representative core collection of 230 genotypically and phenotypically diverse accessions. The effectiveness of this core collection for conducting statistical and association analysis was explored by undertaking genome-wide association studies (GWAS) using 24,876 SNPs for nine phenotypic traits, four of which were associated with SNPs. Genomic regions overlapping with previously characterised flowering genes (HvZTLb) were identified, demonstrating the utility of the ExHIBiT core collection for locating genetic regions that determine important traits. Overall, the ExHIBiT core collection represents the high level of untapped diversity within Northern European barley, providing a powerful resource for researchers and breeders to address future climate scenarios.
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Affiliation(s)
- Villő Bernád
- School of Biology and Environmental Science, University College Dublin, Dublin, Ireland
| | - Nadia Al-Tamimi
- School of Biology and Environmental Science, University College Dublin, Dublin, Ireland
| | - Patrick Langan
- School of Biology and Environmental Science, University College Dublin, Dublin, Ireland
| | - Gary Gillespie
- School of Agriculture and Food Science, University College Dublin, Dublin, Ireland
| | - Timothy Dempsey
- School of Biology and Environmental Science, University College Dublin, Dublin, Ireland
| | - Joey Henchy
- School of Biology and Environmental Science, University College Dublin, Dublin, Ireland
| | - Mary Harty
- School of Agriculture and Food Science, University College Dublin, Dublin, Ireland
| | - Luke Ramsay
- Cell and Molecular Sciences, The James Hutton Institute, Dundee, United Kingdom
| | - Kelly Houston
- Cell and Molecular Sciences, The James Hutton Institute, Dundee, United Kingdom
| | - Malcolm Macaulay
- Cell and Molecular Sciences, The James Hutton Institute, Dundee, United Kingdom
| | - Paul D. Shaw
- Department of Information and Computational Sciences, The James Hutton Institute, Dundee, United Kingdom
| | - Sebastian Raubach
- Department of Information and Computational Sciences, The James Hutton Institute, Dundee, United Kingdom
| | - Kevin P. Mcdonnel
- School of Agriculture and Food Science, University College Dublin, Dublin, Ireland
- School of Biosystems Engineering, University College Dublin, Dublin, Ireland
| | - Joanne Russell
- Cell and Molecular Sciences, The James Hutton Institute, Dundee, United Kingdom
| | - Robbie Waugh
- Cell and Molecular Sciences, The James Hutton Institute, Dundee, United Kingdom
- Division of Plant Sciences, University of Dundee at The James Hutton Institute, Dundee, United Kingdom
| | | | - Sónia Negrão
- School of Biology and Environmental Science, University College Dublin, Dublin, Ireland
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7
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Miloro F, Kis A, Havelda Z, Dalmadi Á. Barley AGO4 proteins show overlapping functionality with distinct small RNA-binding properties in heterologous complementation. PLANT CELL REPORTS 2024; 43:96. [PMID: 38480545 PMCID: PMC10937801 DOI: 10.1007/s00299-024-03177-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/08/2024] [Accepted: 02/15/2024] [Indexed: 03/17/2024]
Abstract
KEY MESSAGE Barley AGO4 proteins complement expressional changes of epigenetically regulated genes in Arabidopsis ago4-3 mutant and show a distinct affinity for the 5' terminal nucleotide of small RNAs, demonstrating functional conservation and divergence. The function of Argonaute 4 (AGO4) in Arabidopsis thaliana has been extensively characterized; however, its role in monocots, which have large genomes abundantly supplemented with transposable elements (TEs), remains elusive. The study of barley AGO4 proteins can provide insights into the conserved aspects of RNA-directed DNA methylation (RdDM) and could also have further applications in the field of epigenetics or crop improvement. Bioinformatic analysis of RNA sequencing data identified two active AGO4 genes in barley, HvAGO4a and HvAGO4b. These genes function similar to AtAGO4 in an Arabidopsis heterologous complementation system, primarily binding to 24-nucleotide long small RNAs (sRNAs) and triggering methylation at specific target loci. Like AtAGO4, HvAGO4B exhibits a preference for binding sRNAs with 5' adenine residue, while also accepting 5' guanine, uracil, and cytosine residues. In contrast, HvAGO4A selectively binds only sRNAs with a 5' adenine residue. The diverse binding capacity of barley AGO4 proteins is reflected in TE-derived sRNAs and in their varying abundance. Both barley AGO4 proteins effectively restore the levels of extrachromosomal DNA and transcript abundancy of the heat-activated ONSEN retrotransposon to those observed in wild-type Arabidopsis plants. Our study provides insight into the distinct binding specificities and involvement in TE regulation of barley AGO4 proteins in Arabidopsis by heterologous complementation.
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Affiliation(s)
- Fabio Miloro
- Hungarian University of Agriculture and Life Sciences (MATE), Institute of Genetics and Biotechnology, Gödöllő, Hungary
- Agribiotechnology and Precision Breeding for Food Security National Laboratory, Plant Biotechnology Section, Gödöllő, Hungary
| | - András Kis
- Hungarian University of Agriculture and Life Sciences (MATE), Institute of Genetics and Biotechnology, Gödöllő, Hungary
| | - Zoltán Havelda
- Hungarian University of Agriculture and Life Sciences (MATE), Institute of Genetics and Biotechnology, Gödöllő, Hungary
- Agribiotechnology and Precision Breeding for Food Security National Laboratory, Plant Biotechnology Section, Gödöllő, Hungary
| | - Ágnes Dalmadi
- Hungarian University of Agriculture and Life Sciences (MATE), Institute of Genetics and Biotechnology, Gödöllő, Hungary.
- Agribiotechnology and Precision Breeding for Food Security National Laboratory, Plant Biotechnology Section, Gödöllő, Hungary.
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8
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Klaus A, Marcon C, Hochholdinger F. Spatiotemporal transcriptomic plasticity in barley roots: unravelling water deficit responses in distinct root zones. BMC Genomics 2024; 25:79. [PMID: 38243200 PMCID: PMC10799489 DOI: 10.1186/s12864-024-10002-0] [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: 10/16/2023] [Accepted: 01/10/2024] [Indexed: 01/21/2024] Open
Abstract
BACKGROUND Drought poses a major threat to agricultural production and thus food security. Understanding the processes shaping plant responses to water deficit is essential for global food safety. Though many studies examined the effect of water deficit on the whole-root level, the distinct functions of each root zone and their specific stress responses remain masked by this approach. RESULTS In this study, we investigated the effect of water deficit on root development of the spring barley (Hordeum vulgare L.) cultivar Morex and examined transcriptomic responses at the level of longitudinal root zones. Water deficit significantly reduced root growth rates after two days of treatment. RNA-sequencing revealed root zone and temporal gene expression changes depending on the duration of water deficit treatment. The majority of water deficit-regulated genes were unique for their respective root zone-by-treatment combination, though they were associated with commonly enriched gene ontology terms. Among these, we found terms associated with transport, detoxification, or cell wall formation affected by water deficit. Integration of weighted gene co-expression analyses identified differential hub genes, that highlighted the importance of modulating energy and protein metabolism and stress response. CONCLUSION Our findings provide new insights into the highly dynamic and spatiotemporal response cascade triggered by water deficit and the underlying genetic regulations on the level of root zones in the barley cultivar Morex, providing potential targets to enhance plant resilience against environmental constraints. This study further emphasizes the importance of considering spatial and temporal resolution when examining stress responses.
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Affiliation(s)
- Alina Klaus
- Institute for Crop Science and Resource Conservation, Crop Functional Genomics, University of Bonn, Friedrich-Ebert-Allee 144, 53113, Bonn, Germany
| | - Caroline Marcon
- Institute for Crop Science and Resource Conservation, Crop Functional Genomics, University of Bonn, Friedrich-Ebert-Allee 144, 53113, Bonn, Germany
| | - Frank Hochholdinger
- Institute for Crop Science and Resource Conservation, Crop Functional Genomics, University of Bonn, Friedrich-Ebert-Allee 144, 53113, Bonn, Germany.
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9
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Gul F, Khan IU, Rutherford S, Dai ZC, Li G, Du DL. Plant growth promoting rhizobacteria and biochar production from Parthenium hysterophorus enhance seed germination and productivity in barley under drought stress. FRONTIERS IN PLANT SCIENCE 2023; 14:1175097. [PMID: 37360736 PMCID: PMC10285313 DOI: 10.3389/fpls.2023.1175097] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Accepted: 05/15/2023] [Indexed: 06/28/2023]
Abstract
Drought stress can significantly affect plant growth and development. Biochar (BC) and plant growth-promoting rhizobacteria (PGPR) have been found to increase plant fertility and development under drought conditions. The single effects of BC and PGPR in different plant species have been widely reported under abiotic stress. However, there have been relatively few studies on the positive role of PGPR, BC, and their combination in barley (Hordeum vulgare L.). Therefore, the current study investigated the effects of BC from Parthenium hysterophorus, drought tolerant PGPR (Serratia odorifera), and the combination of BC + PGPR on the growth, physiology, and biochemical traits of barley plants under drought stress for two weeks. A total of 15 pots were used under five treatments. Each pot of 4 kg soil comprised the control (T0, 90% water), drought stress alone (T1, 30% water), 35 mL PGPR/kg soil (T2, 30% water), 2.5%/kg soil BC (T3, 30% water), and a combination of BC and PGPR (T4, 30% water). Combined PGPR and BC strongly mitigated the negative effects of drought by improving the shoot length (37.03%), fresh biomass (52%), dry biomass (62.5%), and seed germination (40%) compared to the control. The PGPR + BC amendment treatment enhanced physiological traits, such as chlorophyll a (27.9%), chlorophyll b (35.3%), and total chlorophyll (31.1%), compared to the control. Similarly, the synergistic role of PGPR and BC significantly (p< 0.05) enhanced the antioxidant enzyme activity including peroxidase (POD), catalase (CAT), and superoxide dismutase (SOD) to alleviate the toxicity of ROS. The physicochemical properties (N, K, P, and EL) of the soils were also enhanced by (85%, 33%, 52%, and 58%) respectively, under the BC + PGPR treatment compared to the control and drought stress alone. The findings of this study have suggested that the addition of BC, PGPR, and a combination of both will improve the soil fertility, productivity, and antioxidant defense systems of barley under drought stress. Therefore, BC from the invasive plant P. hysterophorus and PGPR can be applied to water-deficient areas to improve barley crop production.
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Affiliation(s)
- Farrukh Gul
- School of Emergency Management, Jiangsu University, Zhenjiang, China
- School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, China
- Department of Botany, Pir Mehr Ali Shah-Arid University (PMAS), Rawalpindi, Pakistan
| | - Irfan Ullah Khan
- School of Emergency Management, Jiangsu University, Zhenjiang, China
- School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, China
| | - Susan Rutherford
- School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, China
| | - Zhi-Cong Dai
- School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, China
| | - Guanlin Li
- Key Laboratory of Environmental Biotechnology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, China
- Institute of Environmental Health and Ecological Security, School of Environment and Safety Engineering, Jiangsu University, Zhenjiang, China
- Division of Environmental Science and Ecological Engineering, Korea University, Seoul, Republic of Korea
| | - Dao-Lin Du
- School of Emergency Management, Jiangsu University, Zhenjiang, China
- School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, China
- Jiangsu Collaborative Innovation Center of Technology and Material of Water Treatment, Suzhou University of Science and Technology, Suzhou, China
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10
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Schmidt SB, Brown LK, Booth A, Wishart J, Hedley PE, Martin P, Husted S, George TS, Russell J. Heritage genetics for adaptation to marginal soils in barley. TRENDS IN PLANT SCIENCE 2023; 28:544-551. [PMID: 36858842 DOI: 10.1016/j.tplants.2023.01.008] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Revised: 01/17/2023] [Accepted: 01/23/2023] [Indexed: 05/22/2023]
Abstract
Future crops need to be sustainable in the face of climate change. Modern barley varieties have been bred for high productivity and quality; however, they have suffered considerable genetic erosion, losing crucial genetic diversity. This renders modern cultivars vulnerable to climate change and stressful environments. We highlight the potential to tailor crops to a specific environment by utilising diversity inherent in an adapted landrace population. Tapping into natural biodiversity, while incorporating information about local environmental and climatic conditions, allows targeting of key traits and genotypes, enabling crop production in marginal soils. We outline future directions for the utilisation of genetic resources maintained in landrace collections to support sustainable agriculture through germplasm development via the use of genomics technologies and big data.
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Affiliation(s)
- Sidsel Birkelund Schmidt
- The James Hutton Institute, Invergowrie, Dundee DD2 5DA, UK; Innovation Centre for Organic Farming, Agro Food Park 26, 8200 Aarhus N., Denmark
| | - Lawrie K Brown
- The James Hutton Institute, Invergowrie, Dundee DD2 5DA, UK
| | - Allan Booth
- The James Hutton Institute, Invergowrie, Dundee DD2 5DA, UK
| | - John Wishart
- Agronomy Institute, Orkney College, University of the Highlands and Islands, Orkney, UK
| | - Pete E Hedley
- The James Hutton Institute, Invergowrie, Dundee DD2 5DA, UK
| | - Peter Martin
- Agronomy Institute, Orkney College, University of the Highlands and Islands, Orkney, UK
| | - Søren Husted
- Department of Plant and Environmental Sciences, Faculty of Science, University of Copenhagen, Thorvaldsensvej 40, 1879 Frederiksberg C., Denmark
| | | | - Joanne Russell
- The James Hutton Institute, Invergowrie, Dundee DD2 5DA, UK.
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11
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Zhu Z, Esche F, Babben S, Trenner J, Serfling A, Pillen K, Maurer A, Quint M. An exotic allele of barley EARLY FLOWERING 3 contributes to developmental plasticity at elevated temperatures. JOURNAL OF EXPERIMENTAL BOTANY 2023; 74:2912-2931. [PMID: 36449391 DOI: 10.1093/jxb/erac470] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Accepted: 11/28/2022] [Indexed: 06/06/2023]
Abstract
Increase in ambient temperatures caused by climate change affects various morphological and developmental traits of plants, threatening crop yield stability. In the model plant Arabidopsis thaliana, EARLY FLOWERING 3 (ELF3) plays prominent roles in temperature sensing and thermomorphogenesis signal transduction. However, how crop species respond to elevated temperatures is poorly understood. Here, we show that the barley ortholog of AtELF3 interacts with high temperature to control growth and development. We used heterogeneous inbred family (HIF) pairs generated from a segregating mapping population and systematically studied the role of exotic ELF3 variants in barley temperature responses. An exotic ELF3 allele of Syrian origin promoted elongation growth in barley at elevated temperatures, whereas plant area and estimated biomass were drastically reduced, resulting in an open canopy architecture. The same allele accelerated inflorescence development at high temperature, which correlated with early transcriptional induction of MADS-box floral identity genes BM3 and BM8. Consequently, barley plants carrying the exotic ELF3 allele displayed stable total grain number at elevated temperatures. Our findings therefore demonstrate that exotic ELF3 variants can contribute to phenotypic and developmental acclimation to elevated temperatures, providing a stimulus for breeding of climate-resilient crops.
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Affiliation(s)
- Zihao Zhu
- Institute of Agricultural and Nutritional Sciences, Martin Luther University Halle-Wittenberg, Betty-Heimann-Str. 5, D-06120, Halle (Saale), Germany
| | - Finn Esche
- Institute of Agricultural and Nutritional Sciences, Martin Luther University Halle-Wittenberg, Betty-Heimann-Str. 5, D-06120, Halle (Saale), Germany
| | - Steve Babben
- Institute of Agricultural and Nutritional Sciences, Martin Luther University Halle-Wittenberg, Betty-Heimann-Str. 5, D-06120, Halle (Saale), Germany
| | - Jana Trenner
- Institute of Agricultural and Nutritional Sciences, Martin Luther University Halle-Wittenberg, Betty-Heimann-Str. 5, D-06120, Halle (Saale), Germany
| | - Albrecht Serfling
- Institute for Resistance Research and Stress Tolerance, Julius Kuehn-Institute, Erwin-Baur-Str. 27, D-06484, Quedlinburg, Germany
| | - Klaus Pillen
- Chair of Plant Breeding, Institute of Agricultural and Nutritional Sciences, Martin Luther University Halle-Wittenberg, Betty-Heimann-Str. 3, D-06120, Halle (Saale), Germany
| | - Andreas Maurer
- Chair of Plant Breeding, Institute of Agricultural and Nutritional Sciences, Martin Luther University Halle-Wittenberg, Betty-Heimann-Str. 3, D-06120, Halle (Saale), Germany
| | - Marcel Quint
- Institute of Agricultural and Nutritional Sciences, Martin Luther University Halle-Wittenberg, Betty-Heimann-Str. 5, D-06120, Halle (Saale), Germany
- German Centre for Integrative Biodiversity Research, Halle-Jena-Leipzig, Puschstrasse 4, D-04103, Leipzig, Germany
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12
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Tarnawa Á, Kende Z, Sghaier AH, Kovács GP, Gyuricza C, Khaeim H. Effect of Abiotic Stresses from Drought, Temperature, and Density on Germination and Seedling Growth of Barley ( Hordeum vulgare L.). PLANTS (BASEL, SWITZERLAND) 2023; 12:plants12091792. [PMID: 37176849 PMCID: PMC10181215 DOI: 10.3390/plants12091792] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Revised: 03/22/2023] [Accepted: 04/24/2023] [Indexed: 05/15/2023]
Abstract
Seed germination and seedling growth are highly sensitive to deficit moisture and temperature stress. This study was designed to investigate barley (Hordeum vulgare L.) seeds' germination and seedling growth under conditions of abiotic stresses. Constant temperature levels of 5, 10, 15, 20, 25, 30, and 35 °C were used for the germination test. Drought and waterlogging stresses using 30 different water levels were examined using two methods: either based at 1 milliliter intervals or, on the other hand, as percentages of thousand kernel weight (TKW). Seedling density in a petri dish and antifungal application techniques were also investigated. Temperature significantly impacted germination time and seedling development with an ideal range of 15-20 °C, with a more comprehensive range to 10 °C. Higher temperatures reversely affected germination percentage, and the lower ones affected the germination and seedling growth rate. Germination commenced at 130% water of the TKW, and the ideal water range for seedling development was greater and more extensive than the range for germination, which means there is a difference between the starting point for germination and the seedling development. Seed size define germination water requirements and provides an objective and more precise basis suggesting an optimal range supply of 720% and 1080% of TKW for barley seedling development. A total of 10 seeds per 9 cm petri dish may be preferable over greater densities. The techniques of priming seeds with an antifungal solution (Bordóilé or Hypo) or antifungal application at even 5 ppm in the media significantly prevented fungal growth. This study is novel regarding the levels and types of abiotic stresses, the crop, the experimental and measurement techniques, and in comparison to the previous studies.
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Affiliation(s)
- Ákos Tarnawa
- Institute of Agronomy, Hungarian University of Agriculture and Life Sciences, Páter Károly u.1, Gödöllő, 2100 Budapest, Hungary
| | - Zoltán Kende
- Institute of Agronomy, Hungarian University of Agriculture and Life Sciences, Páter Károly u.1, Gödöllő, 2100 Budapest, Hungary
| | - Asma Haj Sghaier
- Institute of Agronomy, Hungarian University of Agriculture and Life Sciences, Páter Károly u.1, Gödöllő, 2100 Budapest, Hungary
| | - Gergő Péter Kovács
- Institute of Agronomy, Hungarian University of Agriculture and Life Sciences, Páter Károly u.1, Gödöllő, 2100 Budapest, Hungary
| | - Csaba Gyuricza
- Institute of Agronomy, Hungarian University of Agriculture and Life Sciences, Páter Károly u.1, Gödöllő, 2100 Budapest, Hungary
| | - Hussein Khaeim
- Institute of Agronomy, Hungarian University of Agriculture and Life Sciences, Páter Károly u.1, Gödöllő, 2100 Budapest, Hungary
- Field Crop Department, College of Agriculture, University of Al-Qadisiyah, Al Diwaniyah 58002, Iraq
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13
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Ayachi I, Ghabriche R, Zineb AB, Hanana M, Abdelly C, Ghnaya T. NaCl effect on Cd accumulation and cell compartmentalization in barley. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:49215-49225. [PMID: 36773250 DOI: 10.1007/s11356-023-25791-2] [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: 10/31/2022] [Accepted: 02/03/2023] [Indexed: 02/12/2023]
Abstract
The effect of sodium chloride (NaCl) on cadmium (Cd) tolerance, uptake, translocation, and compartmentation was investigated in 3 barley genotypes. Seedlings were cultivated hydroponically in the absence of NaCl and Cd (control), in the presence of 50 mM NaCl alone, in the presence of 10 µM Cd alone, and in the combined addition of NaCl (50 mM) and Cd (10 µM). Plants were cultivated during one month under 16 h light period at a minimal light intensity of 250 µmol m-2 s-1, a temperature of 25 ± 3 °C, and 70-80% of relative humidity. Results showed that NaCl alone did not significantly affect plant development and biomass production; however, Cd alone reduced plant development rate leading to a decline in biomass production in Raihane and Giza 127 but did not affect that in Amalou. NaCl addition in Cd-treated plants accentuated the Cd effect on plant growth. NaCl limited Cd accumulation in the roots and in the shoots in all tested barley varieties by reducing Cd-absorption efficiency and the translocation of Cd from the root to the shoot. In all Cd-treated plants, cell Cd compartmentalization showed the following gradient: organelles < cell wall < vacuole. NaCl in the medium increased Cd accumulation in the soluble fraction and reduced that in organelle and cell wall fractions. Globally our results showed that, although NaCl reduces Cd accumulation in barley, it accentuates the Cd toxic effects, hence limiting the plant yield. We advise farmers to avoid barley cultivation near mine sites and its irrigation with moderately salty water, although this plant is considered as salt tolerant.
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Affiliation(s)
- Imen Ayachi
- Laboratory of Extremophile Plants, Biotechnology Center of Borj Cedria, Hammam-Lif 2050, BP 901, Tunis, Tunisia
| | - Rim Ghabriche
- Laboratory of Extremophile Plants, Biotechnology Center of Borj Cedria, Hammam-Lif 2050, BP 901, Tunis, Tunisia
| | - Ameni Ben Zineb
- Laboratory of Plant Molecular Physiology, Centre of Biotechnology of Borj-Cedria, BP 901 Hammam-Lif 2050, Borj-Cedria, Tunisia
| | - Mohsen Hanana
- Laboratory of Extremophile Plants, Biotechnology Center of Borj Cedria, Hammam-Lif 2050, BP 901, Tunis, Tunisia
| | - Chedly Abdelly
- Laboratory of Extremophile Plants, Biotechnology Center of Borj Cedria, Hammam-Lif 2050, BP 901, Tunis, Tunisia
| | - Tahar Ghnaya
- Higher Institute of Arts and Crafts of Tataouine, University of Gabes, Rue Omarr Eben Khattab, 6029, Zerig-Gabes, Tunisia.
- Laboratory of Pastoral Ecosystems and Promotion of Spontaneous Plants and Associated Micro-Organisms, Institute of Arid Land, University of Gabes, 4100, MedenineZerig-Gabes, Tunisia.
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14
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Transcriptome and Metabolome Reveal the Molecular Mechanism of Barley Genotypes Underlying the Response to Low Nitrogen and Resupply. Int J Mol Sci 2023; 24:ijms24054706. [PMID: 36902137 PMCID: PMC10003240 DOI: 10.3390/ijms24054706] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Revised: 02/16/2023] [Accepted: 02/27/2023] [Indexed: 03/05/2023] Open
Abstract
Nitrogen is one of the most important mineral elements for plant growth and development. Excessive nitrogen application not only pollutes the environment, but also reduces the quality of crops. However, are few studies on the mechanism of barley tolerance to low nitrogen at both the transcriptome and metabolomics levels. In this study, the nitrogen-efficient genotype (W26) and the nitrogen-sensitive genotype (W20) of barley were treated with low nitrogen (LN) for 3 days and 18 days, then treated with resupplied nitrogen (RN) from 18 to 21 days. Later, the biomass and the nitrogen content were measured, and RNA-seq and metabolites were analyzed. The nitrogen use efficiency (NUE) of W26 and W20 treated with LN for 21 days was estimated by nitrogen content and dry weight, and the values were 87.54% and 61.74%, respectively. It turned out to have a significant difference in the two genotypes under the LN condition. According to the transcriptome analysis, 7926 differentially expressed genes (DEGs) and 7537 DEGs were identified in the leaves of W26 and W20, respectively, and 6579 DEGs and 7128 DEGs were found in the roots of W26 and W20, respectively. After analysis of the metabolites, 458 differentially expressed metabolites (DAMs) and 425 DAMs were found in the leaves of W26 and W20, respectively, and 486 DAMs and 368 DAMs were found in the roots of W26 and W20, respectively. According to the KEGG joint analysis of DEGs and DAMs, it was discovered that glutathione (GSH) metabolism was the pathway of significant enrichment in the leaves of both W26 and W20. In this study, the metabolic pathways of nitrogen metabolism and GSH metabolism of barley under nitrogen were constructed based on the related DAMs and DEGs. In leaves, GSH, amino acids, and amides were the main identified DAMs, while in roots, GSH, amino acids, and phenylpropanes were mainly found DAMs. Finally, some nitrogen-efficient candidate genes and metabolites were selected based on the results of this study. The responses of W26 and W20 to low nitrogen stress were significantly different at the transcriptional and metabolic levels. The candidate genes that have been screened will be verified in future. These data not only provide new insights into how barley responds to LN, but also provide new directions for studying the molecular mechanisms of barley under abiotic stress.
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15
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Meng G, Rasmussen SK, Christensen CSL, Fan W, Torp AM. Molecular breeding of barley for quality traits and resilience to climate change. Front Genet 2023; 13:1039996. [PMID: 36685930 PMCID: PMC9851277 DOI: 10.3389/fgene.2022.1039996] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Accepted: 12/19/2022] [Indexed: 01/06/2023] Open
Abstract
Barley grains are a rich source of compounds, such as resistant starch, beta-glucans and anthocyanins, that can be explored in order to develop various products to support human health, while lignocellulose in straw can be optimised for feed in husbandry, bioconversion into bioethanol or as a starting material for new compounds. Existing natural variations of these compounds can be used to breed improved cultivars or integrated with a large number of mutant lines. The technical demands can be in opposition depending on barley's end use as feed or food or as a source of biofuel. For example beta-glucans are beneficial in human diets but can lead to issues in brewing and poultry feed. Barley breeders have taken action to integrate new technologies, such as induced mutations, transgenics, marker-assisted selection, genomic selection, site-directed mutagenesis and lastly machine learning, in order to improve quality traits. Although only a limited number of cultivars with new quality traits have so far reached the market, research has provided valuable knowledge and inspiration for future design and a combination of methodologies to achieve the desired traits. The changes in climate is expected to affect the quality of the harvested grain and it is already a challenge to mitigate the unpredictable seasonal and annual variations in temperature and precipitation under elevated [CO2] by breeding. This paper presents the mutants and encoded proteins, with a particular focus on anthocyanins and lignocellulose, that have been identified and characterised in detail and can provide inspiration for continued breeding to achieve desired grain and straw qualities.
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Affiliation(s)
- Geng Meng
- Department of Plant and Environmental Sciences, University of Copenhagen, Frederiksberg C, Denmark,College of Horticulture, Henan Agricultural University, Zhengzhou, China
| | - Søren K. Rasmussen
- Department of Plant and Environmental Sciences, University of Copenhagen, Frederiksberg C, Denmark,*Correspondence: Søren K. Rasmussen,
| | | | - Weiyao Fan
- Department of Plant and Environmental Sciences, University of Copenhagen, Frederiksberg C, Denmark
| | - Anna Maria Torp
- Department of Plant and Environmental Sciences, University of Copenhagen, Frederiksberg C, Denmark
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16
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Defining Composition and Function of the Rhizosphere Microbiota of Barley Genotypes Exposed to Growth-Limiting Nitrogen Supplies. mSystems 2022; 7:e0093422. [PMID: 36342125 PMCID: PMC9765016 DOI: 10.1128/msystems.00934-22] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
The microbiota populating the rhizosphere, the interface between roots and soil, can modulate plant growth, development, and health. These microbial communities are not stochastically assembled from the surrounding soil, but their composition and putative function are controlled, at least partially, by the host plant. Here, we use the staple cereal barley as a model to gain novel insights into the impact of differential applications of nitrogen, a rate-limiting step for global crop production, on the host genetic control of the rhizosphere microbiota. Using a high-throughput amplicon sequencing survey, we determined that nitrogen availability for plant uptake is a factor promoting the selective enrichment of individual taxa in the rhizosphere of wild and domesticated barley genotypes. Shotgun sequencing and metagenome-assembled genomes revealed that this taxonomic diversification is mirrored by a functional specialization, manifested by the differential enrichment of multiple Gene Ontology terms, of the microbiota of plants exposed to nitrogen conditions limiting barley growth. Finally, a plant soil feedback experiment revealed that host control of the barley microbiota underpins the assembly of a phylogenetically diverse group of bacteria putatively required to sustain plant performance under nitrogen-limiting supplies. Taken together, our observations indicate that under nitrogen conditions limiting plant growth, host-microbe and microbe-microbe interactions fine-tune the host genetic selection of the barley microbiota at both taxonomic and functional levels. The disruption of these recruitment cues negatively impacts plant growth. IMPORTANCE The microbiota inhabiting the rhizosphere, the thin layer of soil surrounding plant roots, can promote the growth, development, and health of their host plants. Previous research indicated that differences in the genetic composition of the host plant coincide with variations in the composition of the rhizosphere microbiota. This is particularly evident when looking at the microbiota associated with input-demanding modern cultivated varieties and their wild relatives, which have evolved under marginal conditions. However, the functional significance of these differences remains to be fully elucidated. We investigated the rhizosphere microbiota of wild and cultivated genotypes of the global crop barley and determined that nutrient conditions limiting plant growth amplify the host control on microbes at the root-soil interface. This is reflected in a plant- and genotype-dependent functional specialization of the rhizosphere microbiota, which appears to be required for optimal plant growth. These findings provide novel insights into the significance of the rhizosphere microbiota for plant growth and sustainable agriculture.
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17
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Shrestha A, Cosenza F, van Inghelandt D, Wu PY, Li J, Casale FA, Weisweiler M, Stich B. The double round-robin population unravels the genetic architecture of grain size in barley. JOURNAL OF EXPERIMENTAL BOTANY 2022; 73:7344-7361. [PMID: 36094852 PMCID: PMC9730814 DOI: 10.1093/jxb/erac369] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Accepted: 09/08/2022] [Indexed: 06/15/2023]
Abstract
Grain number, size and weight primarily determine the yield of barley. Although the genes regulating grain number are well studied in barley, the genetic loci and the causal gene for sink capacity are poorly understood. Therefore, the primary objective of our work was to dissect the genetic architecture of grain size and weight in barley. We used a multi-parent population developed from a genetic cross between 23 diverse barley inbreds in a double round-robin design. Seed size-related parameters such as grain length, grain width, grain area and thousand-grain weight were evaluated in the HvDRR population comprising 45 recombinant inbred line sub-populations. We found significant genotypic variation for all seed size characteristics, and observed 84% or higher heritability across four environments. The quantitative trait locus (QTL) detection results indicate that the genetic architecture of grain size is more complex than previously reported. In addition, both cultivars and landraces contributed positive alleles at grain size QTLs. Candidate genes identified using genome-wide variant calling data for all parental inbred lines indicated overlapping and potential novel regulators of grain size in cereals. Furthermore, our results indicated that sink capacity was the primary determinant of grain weight in barley.
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Affiliation(s)
- Asis Shrestha
- Institute for Quantitative Genetics and Genomics of Plants, Biology Department, Heinrich Heine University, Dusseldorf, Germany
| | - Francesco Cosenza
- Institute for Quantitative Genetics and Genomics of Plants, Biology Department, Heinrich Heine University, Dusseldorf, Germany
| | - Delphine van Inghelandt
- Institute for Quantitative Genetics and Genomics of Plants, Biology Department, Heinrich Heine University, Dusseldorf, Germany
| | - Po-Ya Wu
- Institute for Quantitative Genetics and Genomics of Plants, Biology Department, Heinrich Heine University, Dusseldorf, Germany
| | - Jinquan Li
- Max Planck Institute for Plant Breeding Research, Cologne, Germany
| | - Federico A Casale
- Institute for Quantitative Genetics and Genomics of Plants, Biology Department, Heinrich Heine University, Dusseldorf, Germany
| | - Marius Weisweiler
- Institute for Quantitative Genetics and Genomics of Plants, Biology Department, Heinrich Heine University, Dusseldorf, Germany
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18
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Guo X, Xu D, Li F, Bai J, Su R. Current approaches on the roles of lactic acid bacteria in crop silage. Microb Biotechnol 2022; 16:67-87. [PMID: 36468295 PMCID: PMC9803335 DOI: 10.1111/1751-7915.14184] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Revised: 11/07/2022] [Accepted: 11/11/2022] [Indexed: 12/12/2022] Open
Abstract
Lactic acid bacteria (LAB) play pivotal roles in the preservation and fermentation of forage crops in spontaneous or inoculated silages. Highlights of silage LAB over the past decades include the discovery of the roles of LAB in silage bacterial communities and metabolism and the exploration of functional properties. The present article reviews published literature on the effects of LAB on the succession, structure, and functions of silage microbial communities involved in fermentation. Furthermore, the utility of functional LAB in silage preparation including feruloyl esterase-producing LAB, antimicrobial LAB, lactic acid bacteria with high antioxidant potential, pesticide-degrading LAB, lactic acid bacteria producing 1,2-propanediol, and low-temperature-tolerant LAB have been described. Compared with conventional LAB, functional LAB produce different effects; specifically, they positively affect animal performance, health, and product quality, among others. In addition, the metabolic profiles of ensiled forages show that plentiful probiotic metabolites with but not limited to antimicrobial, antioxidant, aromatic, and anti-inflammatory properties are observed in silage. Collectively, the current knowledge on the roles of LAB in crop silage indicates there are great opportunities to develop silage not only as a fermented feed but also as a vehicle of delivery of probiotic substances for animal health and welfare in the future.
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Affiliation(s)
- Xusheng Guo
- School of Life SciencesLanzhou UniversityLanzhouChina,Probiotics and Biological Feed Research CentreLanzhou UniversityLanzhouChina
| | - Dongmei Xu
- School of Life SciencesLanzhou UniversityLanzhouChina,Probiotics and Biological Feed Research CentreLanzhou UniversityLanzhouChina
| | - Fuhou Li
- School of Life SciencesLanzhou UniversityLanzhouChina,Probiotics and Biological Feed Research CentreLanzhou UniversityLanzhouChina
| | - Jie Bai
- School of Life SciencesLanzhou UniversityLanzhouChina,Probiotics and Biological Feed Research CentreLanzhou UniversityLanzhouChina
| | - Rina Su
- School of Life SciencesLanzhou UniversityLanzhouChina,Probiotics and Biological Feed Research CentreLanzhou UniversityLanzhouChina
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19
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She K, Pan W, Yan Y, Shi T, Chu Y, Cheng Y, Ma B, Song W. Genome-Wide Identification, Evolution and Expressional Analysis of OSCA Gene Family in Barley ( Hordeum vulgare L.). Int J Mol Sci 2022; 23:13027. [PMID: 36361820 PMCID: PMC9653715 DOI: 10.3390/ijms232113027] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Revised: 10/18/2022] [Accepted: 10/22/2022] [Indexed: 09/06/2023] Open
Abstract
The hyperosmolality-gated calcium-permeable channel gene family (OSCA) is one kind of conserved osmosensors, playing a crucial role in maintaining ion and water homeostasis and protecting cellular stability from the damage of hypertonic stress. Although it has been systematically characterized in diverse plants, it is necessary to explore the role of the OSCA family in barley, especially its importance in regulating abiotic stress response. In this study, a total of 13 OSCA genes (HvOSCAs) were identified in barley through an in silico genome search method, which were clustered into 4 clades based on phylogenetic relationships with members in the same clade showing similar protein structures and conserved motif compositions. These HvOSCAs had many cis-regulatory elements related to various abiotic stress, such as MBS and ARE, indicating their potential roles in abiotic stress regulation. Furthermore, their expression patterns were systematically detected under diverse stresses using RNA-seq data and qRT-PCR methods. All of these 13 HvOSCAs were significantly induced by drought, cold, salt and ABA treatment, demonstrating their functions in osmotic regulation. Finally, the genetic variations of the HvOSCAs were investigated using the re-sequencing data, and their nucleotide diversity in wild barley and landrace populations were 0.4966 × 10-3 and 0.391 × 10-3, respectively, indicating that a genetic bottleneck has occurred in the OSCA family during the barley evolution process. This study evaluated the genomic organization, evolutionary relationship and genetic expression of the OSCA family in barley, which not only provides potential candidates for further functional genomic study, but also contributes to genetically improving stress tolerance in barley and other crops.
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Affiliation(s)
- Kuijun She
- State Key Laboratory of Crop Stress Biology in Arid Areas, College of Agronomy, Northwest A&F University, Yangling, Xianyang 712100, China
- Crop Research Institute, Ningxia Academy of Agriculture and Forestry Sciences, Yinchuan 750002, China
| | - Wenqiu Pan
- State Key Laboratory of Crop Stress Biology in Arid Areas, College of Agronomy, Northwest A&F University, Yangling, Xianyang 712100, China
| | - Ying Yan
- State Key Laboratory of Crop Stress Biology in Arid Areas, College of Agronomy, Northwest A&F University, Yangling, Xianyang 712100, China
| | - Tingrui Shi
- State Key Laboratory of Crop Stress Biology in Arid Areas, College of Agronomy, Northwest A&F University, Yangling, Xianyang 712100, China
| | - Yingqi Chu
- State Key Laboratory of Crop Stress Biology in Arid Areas, College of Agronomy, Northwest A&F University, Yangling, Xianyang 712100, China
| | - Yue Cheng
- State Key Laboratory of Crop Stress Biology in Arid Areas, College of Agronomy, Northwest A&F University, Yangling, Xianyang 712100, China
| | - Bo Ma
- State Key Laboratory of Crop Stress Biology in Arid Areas, College of Agronomy, Northwest A&F University, Yangling, Xianyang 712100, China
| | - Weining Song
- State Key Laboratory of Crop Stress Biology in Arid Areas, College of Agronomy, Northwest A&F University, Yangling, Xianyang 712100, China
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20
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Park C, El-Madany TS, Lee SH. Environmental factors contributing to variations in CO 2 flux over a barley-rice double-cropping paddy field in the Korean Peninsula. INTERNATIONAL JOURNAL OF BIOMETEOROLOGY 2022; 66:2069-2082. [PMID: 35915161 DOI: 10.1007/s00484-022-02341-y] [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: 02/21/2022] [Revised: 06/17/2022] [Accepted: 07/22/2022] [Indexed: 06/15/2023]
Abstract
Understanding the CO2 flux over agricultural crop fields is critical because the temporal cycle is driven by both ecological environment and anthropogenic change. We analyzed the net ecosystem exchange of CO2 measured over a barley-rice double-cropping field using the eddy covariance method for 5 years. We conducted gap-filling based on u*-threshold criteria and partitioned the net ecosystem exchange into gross primary production and respiration. The relative importance analysis of solar radiation, temperature, soil heat flux, soil water content, and vapor deficit revealed that solar radiation and temperature were the dominant contributors to net ecosystem exchange. The annual variation in the net ecosystem exchange followed a bimodal pattern driven by CO2 uptake by both barley and rice, displaying two negative peaks in late April and mid-August. The elongation stages of the crops exhibited the highest flux. Gross primary production and respiration were closely related to solar radiation and nighttime temperature, respectively. The relative importance of the other environmental variables was affected by the cultivation season and irrigation water. In the period of rice cultivation, respiration was approximately 3 µmol m-2 s-1 higher during rice drainage than during the flooded period. The accumulated net ecosystem production was estimated to be 315 gC m-2 and 349 gC m-2 for the barley and rice growing periods, respectively, and 649 gC m-2 for the annual total. These values are comparable with the results of other studies on barley-rice double-cropping fields.
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Affiliation(s)
- Changhyoun Park
- Institute of Environmental Studies, Pusan National University, Busan, South Korea
| | - Tarek S El-Madany
- Department of Biogeochemical Integration, Max Plank Institute for Biogeochemistry, Jena, Germany
| | - Soon-Hwan Lee
- Department of Earth Science Education, Pusan National University, Busan, South Korea.
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21
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Feng X, Rahman MM, Hu Q, Wang B, Karim H, Guzmán C, Harwood W, Xu Q, Zhang Y, Tang H, Jiang Y, Qi P, Deng M, Ma J, Lan J, Wang J, Chen G, Lan X, Wei Y, Zheng Y, Jiang Q. HvGBSSI mutation at the splicing receptor site affected RNA splicing and decreased amylose content in barley. FRONTIERS IN PLANT SCIENCE 2022; 13:1003333. [PMID: 36212333 PMCID: PMC9538149 DOI: 10.3389/fpls.2022.1003333] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Accepted: 08/24/2022] [Indexed: 06/16/2023]
Abstract
Granule-bound starch synthase I (HvGBSSI) is encoded by the barley waxy (Wx-1) gene and is the sole enzyme in the synthesis of amylose. Here, a Wx-1 mutant was identified from an ethyl methane sulfonate (EMS)-mutagenized barley population. There were two single-base mutations G1086A and A2424G in Wx-1 in the mutant (M2-1105). The G1086A mutation is located at the 3' splicing receptor (AG) site of the fourth intron, resulting in an abnormal RNA splicing. The A2424G mutation was a synonymous mutation in the ninth intron. The pre-mRNA of Wx-1 was incorrectly spliced and transcribed into two abnormal transcripts. The type I transcript had a 6 bp deletion in the 5' of fifth exon, leading to a translated HvGBSSI protein lacking two amino acids with a decreased starch-binding capacity. In the type II transcript, the fourth intron was incorrectly cleaved and retained, resulting in the premature termination of the barley Wx-1 gene. The mutations in the Wx-1 decreased the enzymatic activity of the HvGBSSI enzyme and resulted in a decreased level in amylose content. This work sheds light on a new Wx-1 gene inaction mechanism.
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Affiliation(s)
- Xiuqin Feng
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, SichuanChina
- Triticeae Research Institute, Sichuan Agricultural University, Chengdu, Sichuan, China
| | - Md. Mostafijur Rahman
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, SichuanChina
- Triticeae Research Institute, Sichuan Agricultural University, Chengdu, Sichuan, China
| | - Qian Hu
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, SichuanChina
- Triticeae Research Institute, Sichuan Agricultural University, Chengdu, Sichuan, China
| | - Bang Wang
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, SichuanChina
- Triticeae Research Institute, Sichuan Agricultural University, Chengdu, Sichuan, China
| | - Hassan Karim
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, SichuanChina
- Triticeae Research Institute, Sichuan Agricultural University, Chengdu, Sichuan, China
| | - Carlos Guzmán
- Departamento de Genética, Escuela Técnica Superior de Ingeniería Agronómica y de Montes, Universidad de Córdoba, Cordoba, Spain
| | - Wendy Harwood
- John Innes Center, Norwich Research Park, Norwich, United Kingdom
| | - Qiang Xu
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, SichuanChina
- Triticeae Research Institute, Sichuan Agricultural University, Chengdu, Sichuan, China
| | - Yazhou Zhang
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, SichuanChina
- Triticeae Research Institute, Sichuan Agricultural University, Chengdu, Sichuan, China
| | - Huaping Tang
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, SichuanChina
- Triticeae Research Institute, Sichuan Agricultural University, Chengdu, Sichuan, China
| | - Yunfeng Jiang
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, SichuanChina
- Triticeae Research Institute, Sichuan Agricultural University, Chengdu, Sichuan, China
| | - Pengfei Qi
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, SichuanChina
- Triticeae Research Institute, Sichuan Agricultural University, Chengdu, Sichuan, China
| | - Mei Deng
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, SichuanChina
- Triticeae Research Institute, Sichuan Agricultural University, Chengdu, Sichuan, China
| | - Jian Ma
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, SichuanChina
- Triticeae Research Institute, Sichuan Agricultural University, Chengdu, Sichuan, China
| | - Jingyu Lan
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, SichuanChina
- Triticeae Research Institute, Sichuan Agricultural University, Chengdu, Sichuan, China
| | - Jirui Wang
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, SichuanChina
- Triticeae Research Institute, Sichuan Agricultural University, Chengdu, Sichuan, China
| | - Guoyue Chen
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, SichuanChina
- Triticeae Research Institute, Sichuan Agricultural University, Chengdu, Sichuan, China
| | - Xiujin Lan
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, SichuanChina
- Triticeae Research Institute, Sichuan Agricultural University, Chengdu, Sichuan, China
| | - Yuming Wei
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, SichuanChina
- Triticeae Research Institute, Sichuan Agricultural University, Chengdu, Sichuan, China
| | - Youliang Zheng
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, SichuanChina
- Triticeae Research Institute, Sichuan Agricultural University, Chengdu, Sichuan, China
| | - Qiantao Jiang
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, SichuanChina
- Triticeae Research Institute, Sichuan Agricultural University, Chengdu, Sichuan, China
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22
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Li T, Bian J, Tang M, Shangguan H, Zeng Y, Luo R, Sun H, Ke Q, Nie X, Li Y, Cui L. BGFD: an integrated multi-omics database of barley gene families. BMC PLANT BIOLOGY 2022; 22:454. [PMID: 36131236 PMCID: PMC9490965 DOI: 10.1186/s12870-022-03846-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/19/2022] [Accepted: 09/15/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND A gene family comprises a group of genes with similar functional domains that play various roles in plant growth, development, and responses to environmental stimuli. Barley (Hordeum vulgare L.) is the fourth most cultivated cereal crop worldwide, and it is an important model species for genetic studies. Systematic identification and annotation of gene families are key for studies of molecular function and evolutionary history. RESULTS We constructed a multi-omics database containing 5593 genes of 77 gene families called the Barley Gene Family Database (BGFD: http://barleygfdb.com ). BGFD is a free, user-friendly, and web-accessible platform that provides data on barley family genes. BGFD provides intuitive visual displays to facilitate studies of the physicochemical properties, gene structure, phylogenetic relationships, and motif organization of genes. Massive multi-omics datasets have been acquired and processed to generate an atlas of expression pattern profiles and genetic variation in BGFD. The platform offers several practical toolkits to conduct searches, browse, and employ BLAST functions, and the data are downloadable. CONCLUSIONS BGFD will aid research on the domestication and adaptive evolution of barley; it will also facilitate the screening of candidate genes and exploration of important agronomic traits in barley.
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Affiliation(s)
- Tingting Li
- College of Bioscience and Engineering, Jiangxi Agricultural University, Nanchang, 330045 Jiangxi China
| | - Jianxin Bian
- Peking University Institute of Advanced Agricultural Sciences, Weifang, 261325 Shandong China
| | - Minqiang Tang
- College of Forestry, Hainan University, Haikou, 570228 Hainan China
| | - Hongbin Shangguan
- College of Bioscience and Engineering, Jiangxi Agricultural University, Nanchang, 330045 Jiangxi China
| | - Yan Zeng
- College of Bioscience and Engineering, Jiangxi Agricultural University, Nanchang, 330045 Jiangxi China
| | - Ruihan Luo
- College of Bioscience and Engineering, Jiangxi Agricultural University, Nanchang, 330045 Jiangxi China
| | - Huifan Sun
- College of Bioscience and Engineering, Jiangxi Agricultural University, Nanchang, 330045 Jiangxi China
| | - Qinglin Ke
- College of Bioscience and Engineering, Jiangxi Agricultural University, Nanchang, 330045 Jiangxi China
| | - Xiaojun Nie
- State Key Laboratory of Crop Stress Biology in Arid Areas and College of Agronomy, Northwest A&F University, Yangling, 712100 Shaanxi China
| | - Yihan Li
- College of Bioscience and Engineering, Jiangxi Agricultural University, Nanchang, 330045 Jiangxi China
| | - Licao Cui
- College of Bioscience and Engineering, Jiangxi Agricultural University, Nanchang, 330045 Jiangxi China
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23
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Smoczynska A, Pacak A, Grabowska A, Bielewicz D, Zadworny M, Singh K, Dolata J, Bajczyk M, Nuc P, Kesy J, Wozniak M, Ratajczak I, Harwood W, Karlowski WM, Jarmolowski A, Szweykowska-Kulinska Z. Excess nitrogen responsive HvMADS27 transcription factor controls barley root architecture by regulating abscisic acid level. FRONTIERS IN PLANT SCIENCE 2022; 13:950796. [PMID: 36172555 PMCID: PMC9511987 DOI: 10.3389/fpls.2022.950796] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Accepted: 07/15/2022] [Indexed: 06/01/2023]
Abstract
Nitrogen (N) is an important element for plant growth and development. Although several studies have examined plants' response to N deficiency, studies on plants' response to excess N, which is common in fertilizer-based agrosystems, are limited. Therefore, the aim of this study was to examine the response of barley to excess N conditions, specifically the root response. Additionally, genomic mechanism of excess N response in barley was elucidated using transcriptomic technologies. The results of the study showed that barley MADS27 transcription factor was mainly expressed in the roots and its gene contained N-responsive cis-regulatory elements in the promoter region. Additionally, there was a significant decrease in HvMADS27 expression under excess N condition; however, its expression was not significantly affected under low N condition. Phenotypic analysis of the root system of HvMADS27 knockdown and overexpressing barley plants revealed that HvMADS27 regulates barley root architecture under excess N stress. Further analysis of wild-type (WT) and transgenic barley plants (hvmads27 kd and hvmads27 c-Myc OE) revealed that HvMADS27 regulates the expression of HvBG1 β-glucosidase, which in turn regulates abscisic acid (ABA) level in roots. Overall, the findings of this study showed that HvMADS27 expression is downregulated in barley roots under excess N stress, which induces HvBG1 expression, leading to the release of ABA from ABA-glucose conjugate, and consequent shortening of the roots.
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Affiliation(s)
- Aleksandra Smoczynska
- Department of Gene Expression, Institute of Molecular Biology and Biotechnology, Faculty of Biology, Adam Mickiewicz University, Poznań, Poland
| | - Andrzej Pacak
- Department of Gene Expression, Institute of Molecular Biology and Biotechnology, Faculty of Biology, Adam Mickiewicz University, Poznań, Poland
| | - Aleksandra Grabowska
- Department of Gene Expression, Institute of Molecular Biology and Biotechnology, Faculty of Biology, Adam Mickiewicz University, Poznań, Poland
| | - Dawid Bielewicz
- Department of Gene Expression, Institute of Molecular Biology and Biotechnology, Faculty of Biology, Adam Mickiewicz University, Poznań, Poland
- Center for Advanced Technology, Adam Mickiewicz University, Poznań, Poland
| | - Marcin Zadworny
- Institute of Dendrology, Polish Academy of Sciences, Kórnik, Poland
| | - Kashmir Singh
- Department of Biotechnology, Panjab University, Chandigarh, India
| | - Jakub Dolata
- Department of Gene Expression, Institute of Molecular Biology and Biotechnology, Faculty of Biology, Adam Mickiewicz University, Poznań, Poland
| | - Mateusz Bajczyk
- Department of Gene Expression, Institute of Molecular Biology and Biotechnology, Faculty of Biology, Adam Mickiewicz University, Poznań, Poland
| | - Przemyslaw Nuc
- Department of Gene Expression, Institute of Molecular Biology and Biotechnology, Faculty of Biology, Adam Mickiewicz University, Poznań, Poland
| | - Jacek Kesy
- Institute of Biology, Faculty of Biological and Veterinary Sciences, Nicolaus Copernicus University, Toruń, Poland
| | - Magdalena Wozniak
- Department of Chemistry, Faculty of Forestry and Wood Technology, Poznan University of Life Sciences, Poznań, Poland
| | - Izabela Ratajczak
- Department of Chemistry, Faculty of Forestry and Wood Technology, Poznan University of Life Sciences, Poznań, Poland
| | - Wendy Harwood
- Department of Crop Genetics, John Innes Centre, Norwich Research Park, Norfolk, United Kingdom
| | - Wojciech M. Karlowski
- Department of Computational Biology, Institute of Molecular Biology and Biotechnology, Adam Mickiewicz University, Poznań, Poland
| | - Artur Jarmolowski
- Department of Gene Expression, Institute of Molecular Biology and Biotechnology, Faculty of Biology, Adam Mickiewicz University, Poznań, Poland
| | - Zofia Szweykowska-Kulinska
- Department of Gene Expression, Institute of Molecular Biology and Biotechnology, Faculty of Biology, Adam Mickiewicz University, Poznań, Poland
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24
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Design of Cereal Products Naturally Enriched in Folate from Barley Pearling By-Products. Nutrients 2022; 14:nu14183729. [PMID: 36145105 PMCID: PMC9500880 DOI: 10.3390/nu14183729] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Revised: 08/31/2022] [Accepted: 09/06/2022] [Indexed: 11/25/2022] Open
Abstract
Folate is a fundamental vitamin for human health in prevention of many diseases; however, unfortunately its deficiency is widespread, so a greater availability of folate rich foods is desirable. The aim of this study was to design new cereal products naturally enriched in folate using barley flour from pearling as ingredient. Folate content of unfortified and fortified commercial grain-based products was considered to identify the best ingredients for new formulation and for folate content comparisons. Nineteen Italian barley cultivars were evaluated for their folate content and Natura was chosen for its highest folate levels = 69.3 μg/100 g f.w. Application of pearling gave a by-product flour with a high folate level: 221.7 ± 7.0 μg/100 g; this flour was employed to design pasta and biscuits naturally enriched in folate: 87.1 μg/100 g and 70.1 ± 3.7 μg/100 g f.w., respectively. Folate content of new products is higher than commercial samples: 39.2 μg/100 g in refined pasta, 60.4 μg/100 g in wholemeal pasta, 62.1 μg/100 g in fortified biscuits and 10.4 μg/100 g in unfortified ones. Enriched pasta had higher folate retention (68.5%) after cooking compared to the fortified one (27.8%). This research shows promising results concerning the pearling technique to design new cereal products naturally enriched in folates.
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25
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Hansen PB, Ruud AK, de los Campos G, Malinowska M, Nagy I, Svane SF, Thorup-Kristensen K, Jensen JD, Krusell L, Asp T. Integration of DNA Methylation and Transcriptome Data Improves Complex Trait Prediction in Hordeum vulgare. PLANTS 2022; 11:plants11172190. [PMID: 36079572 PMCID: PMC9459846 DOI: 10.3390/plants11172190] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Revised: 08/19/2022] [Accepted: 08/21/2022] [Indexed: 11/30/2022]
Abstract
Whole-genome multi-omics profiles contain valuable information for the characterization and prediction of complex traits in plants. In this study, we evaluate multi-omics models to predict four complex traits in barley (Hordeum vulgare); grain yield, thousand kernel weight, protein content, and nitrogen uptake. Genomic, transcriptomic, and DNA methylation data were obtained from 75 spring barley lines tested in the RadiMax semi-field phenomics facility under control and water-scarce treatment. By integrating multi-omics data at genomic, transcriptomic, and DNA methylation regulatory levels, a higher proportion of phenotypic variance was explained (0.72–0.91) than with genomic models alone (0.55–0.86). The correlation between predictions and phenotypes varied from 0.17–0.28 for control plants and 0.23–0.37 for water-scarce plants, and the increase in accuracy was significant for nitrogen uptake and protein content compared to models using genomic information alone. Adding transcriptomic and DNA methylation information to the prediction models explained more of the phenotypic variance attributed to the environment in grain yield and nitrogen uptake. It furthermore explained more of the non-additive genetic effects for thousand kernel weight and protein content. Our results show the feasibility of multi-omics prediction for complex traits in barley.
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Affiliation(s)
- Pernille Bjarup Hansen
- Center for Quantitative Genetics and Genomics, Aarhus University, 4200 Slagelse, Denmark
- Correspondence: (P.B.H.); (T.A.); Tel.: +45-87158243 (T.A.)
| | - Anja Karine Ruud
- Center for Quantitative Genetics and Genomics, Aarhus University, 4200 Slagelse, Denmark
| | - Gustavo de los Campos
- Departments of Epidemiology & Biostatistics and Statistics & Probability, Institute for Quantitative Health Science and Engineering, Michigan State University, East Lansing, MI 48824, USA
| | - Marta Malinowska
- Center for Quantitative Genetics and Genomics, Aarhus University, 4200 Slagelse, Denmark
| | - Istvan Nagy
- Center for Quantitative Genetics and Genomics, Aarhus University, 4200 Slagelse, Denmark
| | - Simon Fiil Svane
- Section for Crop Sciences, Department of Plant and Environmental Sciences, Copenhagen University, 2630 Taastrup, Denmark
| | - Kristian Thorup-Kristensen
- Section for Crop Sciences, Department of Plant and Environmental Sciences, Copenhagen University, 2630 Taastrup, Denmark
| | | | - Lene Krusell
- Sejet Plant Breeding, Nørremarksvej 67, 8700 Horsens, Denmark
| | - Torben Asp
- Center for Quantitative Genetics and Genomics, Aarhus University, 4200 Slagelse, Denmark
- Correspondence: (P.B.H.); (T.A.); Tel.: +45-87158243 (T.A.)
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26
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Niu Y, Chen T, Zheng Z, Zhao C, Liu C, Jia J, Zhou M. A new major QTL for flag leaf thickness in barley (Hordeum vulgare L.). BMC PLANT BIOLOGY 2022; 22:305. [PMID: 35751018 PMCID: PMC9229122 DOI: 10.1186/s12870-022-03694-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Accepted: 06/14/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND Carbohydrate accumulation of photosynthetic organs, mainly leaves, are the primary sources of grain yield in cereals. The flag leaf plays a vital role in seed development, which is probably the most neglected morphological characteristic during traditional selection processes. RESULTS In this experiment, four flag leaf morphological traits and seven yield-related traits were investigated in a DH population derived from a cross between a wild barley and an Australian malting barley cultivar. Flag leaf thickness (FLT) showed significantly positive correlations with grain size. Four QTL, located on chromosomes 1H, 2H, 3H, and 5H, respectively, were identified for FLT. Among them, a major QTL was located on chromosome 3H with a LOD value of 18.4 and determined 32% of the phenotypic variation. This QTL showed close links but not pleiotropism to the previously reported semi-dwarf gene sdw1 from the cultivated barley. This QTL was not reported before and the thick leaf allele from the wild barley could provide a useful source for improving grain yield through breeding. CONCLUSIONS Our results also provided valuable evidence that source traits and sink traits in barley are tightly connected and suggest further improvement of barley yield potential with enhanced and balanced source and sink relationships by exploiting potentialities of the wild barley resources. Moreover, this study will provide a novel sight on understanding the evolution and development of leaf morphology in barley and improving barley production by rewilding for lost superior traits during plant evolution.
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Affiliation(s)
- Yanan Niu
- Tasmanian Institute of Agriculture, University of Tasmania, Private Bag 1375, 7250, Prospect, TAS, Australia
| | - Tianxiao Chen
- Tasmanian Institute of Agriculture, University of Tasmania, Private Bag 1375, 7250, Prospect, TAS, Australia
| | - Zhi Zheng
- CSIRO Agriculture and Food, 4067, St Lucia, QLD, Australia
| | - Chenchen Zhao
- Tasmanian Institute of Agriculture, University of Tasmania, Private Bag 1375, 7250, Prospect, TAS, Australia
| | - Chunji Liu
- CSIRO Agriculture and Food, 4067, St Lucia, QLD, Australia
| | - Jizeng Jia
- National Key Facility for Crop Gene Resources and Genetic Improvement, Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, 100081, Beijing, China.
| | - Meixue Zhou
- Tasmanian Institute of Agriculture, University of Tasmania, Private Bag 1375, 7250, Prospect, TAS, Australia.
- College of Agronomy, Shanxi Agricultural University, 030801, Taigu, China.
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27
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Escudero-Martinez C, Coulter M, Alegria Terrazas R, Foito A, Kapadia R, Pietrangelo L, Maver M, Sharma R, Aprile A, Morris J, Hedley PE, Maurer A, Pillen K, Naclerio G, Mimmo T, Barton GJ, Waugh R, Abbott J, Bulgarelli D. Identifying plant genes shaping microbiota composition in the barley rhizosphere. Nat Commun 2022; 13:3443. [PMID: 35710760 PMCID: PMC9203816 DOI: 10.1038/s41467-022-31022-y] [Citation(s) in RCA: 38] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Accepted: 05/30/2022] [Indexed: 12/13/2022] Open
Abstract
A prerequisite to exploiting soil microbes for sustainable crop production is the identification of the plant genes shaping microbiota composition in the rhizosphere, the interface between roots and soil. Here, we use metagenomics information as an external quantitative phenotype to map the host genetic determinants of the rhizosphere microbiota in wild and domesticated genotypes of barley, the fourth most cultivated cereal globally. We identify a small number of loci with a major effect on the composition of rhizosphere communities. One of those, designated the QRMC-3HS, emerges as a major determinant of microbiota composition. We subject soil-grown sibling lines harbouring contrasting alleles at QRMC-3HS and hosting contrasting microbiotas to comparative root RNA-seq profiling. This allows us to identify three primary candidate genes, including a Nucleotide-Binding-Leucine-Rich-Repeat (NLR) gene in a region of structural variation of the barley genome. Our results provide insights into the footprint of crop improvement on the plant’s capacity of shaping rhizosphere microbes. A prerequisite to exploiting soil microbes for sustainable crop production is the identification of the plant genes shaping microbiota composition in the rhizosphere. Here, the authors report QTLs and the associated candidate genes underlying rhizosphere microbiome composition in barley.
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Affiliation(s)
| | - Max Coulter
- University of Dundee, Plant Sciences, School of Life Sciences, Dundee, UK.,University of Dundee, Computational Biology, School of Life Sciences, Dundee, UK
| | - Rodrigo Alegria Terrazas
- University of Dundee, Plant Sciences, School of Life Sciences, Dundee, UK.,Mohammed VI Polytechnic University, Agrobiosciences Program, Plant & Soil Microbiome Subprogram, Bengurir, Morocco
| | | | - Rumana Kapadia
- University of Dundee, Plant Sciences, School of Life Sciences, Dundee, UK
| | - Laura Pietrangelo
- University of Dundee, Plant Sciences, School of Life Sciences, Dundee, UK.,Department of Biosciences and Territory, University of Molise, Campobasso, Italy
| | - Mauro Maver
- University of Dundee, Plant Sciences, School of Life Sciences, Dundee, UK.,Faculty of Science and Technology, Free University of Bozen-Bolzano, Bolzano, Italy.,Competence Centre for Plant Health, Free University of Bozen-Bolzano, Bolzano, Italy
| | | | - Alessio Aprile
- University of Dundee, Plant Sciences, School of Life Sciences, Dundee, UK.,Department of Biological and Environmental Sciences and Technologies, University of Salento, Lecce, Italy
| | | | | | - Andreas Maurer
- Institute of Agricultural and Nutritional Sciences, Martin-Luther-University, Halle-Wittenberg, Germany
| | - Klaus Pillen
- Institute of Agricultural and Nutritional Sciences, Martin-Luther-University, Halle-Wittenberg, Germany
| | - Gino Naclerio
- Department of Biosciences and Territory, University of Molise, Campobasso, Italy
| | - Tanja Mimmo
- Faculty of Science and Technology, Free University of Bozen-Bolzano, Bolzano, Italy.,Competence Centre for Plant Health, Free University of Bozen-Bolzano, Bolzano, Italy
| | - Geoffrey J Barton
- University of Dundee, Computational Biology, School of Life Sciences, Dundee, UK
| | - Robbie Waugh
- University of Dundee, Plant Sciences, School of Life Sciences, Dundee, UK.,The James Hutton Institute, Invergowrie, UK
| | - James Abbott
- University of Dundee, Computational Biology, School of Life Sciences, Dundee, UK
| | - Davide Bulgarelli
- University of Dundee, Plant Sciences, School of Life Sciences, Dundee, UK.
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28
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Tao W, Bian J, Tang M, Zeng Y, Luo R, Ke Q, Li T, Li Y, Cui L. Genomic insights into positive selection during barley domestication. BMC PLANT BIOLOGY 2022; 22:267. [PMID: 35641942 PMCID: PMC9158214 DOI: 10.1186/s12870-022-03655-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/19/2022] [Accepted: 05/23/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND Cultivated barley (Hordeum vulgare) is widely used in animal feed, beverages, and foods and has become a model crop for molecular evolutionary studies. Few studies have examined the evolutionary fates of different types of genes in barley during the domestication process. RESULTS The rates of nonsynonymous substitution (Ka) to synonymous substitution (Ks) were calculated by comparing orthologous genes in different barley groups (wild vs. landrace and landrace vs. improved cultivar). The rates of evolution, properties, expression patterns, and diversity of positively selected genes (PSGs) and negatively selected genes (NSGs) were compared. PSGs evolved more rapidly, possessed fewer exons, and had lower GC content than NSGs; they were also shorter and had shorter intron, exon, and first exon lengths. Expression levels were lower, the tissue specificity of expression was higher, and codon usage bias was weaker for PSGs than for NSGs. Nucleotide diversity analysis revealed that PSGs have undergone a more severe genetic bottleneck than NSGs. Several candidate PSGs were involved in plant growth and development, which might make them as excellent targets for the molecular breeding of barley. CONCLUSIONS Our comprehensive analysis of the evolutionary, structural, and functional divergence between PSGs and NSGs in barley provides new insight into the evolutionary trajectory of barley during domestication. Our findings also aid future functional studies of PSGs in barley.
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Affiliation(s)
- Wenjing Tao
- College of Bioscience and Engineering, Jiangxi Agricultural University, Nanchang, Jiangxi, 330045 China
| | - Jianxin Bian
- Peking University Institute of Advanced Agricultural Sciences, Weifang, Shandong, 261325 China
| | - Minqiang Tang
- College of Forestry, Hainan University, Haikou, Hainan, 570228 China
| | - Yan Zeng
- College of Bioscience and Engineering, Jiangxi Agricultural University, Nanchang, Jiangxi, 330045 China
| | - Ruihan Luo
- College of Bioscience and Engineering, Jiangxi Agricultural University, Nanchang, Jiangxi, 330045 China
| | - Qinglin Ke
- College of Bioscience and Engineering, Jiangxi Agricultural University, Nanchang, Jiangxi, 330045 China
| | - Tingting Li
- College of Bioscience and Engineering, Jiangxi Agricultural University, Nanchang, Jiangxi, 330045 China
| | - Yihan Li
- College of Bioscience and Engineering, Jiangxi Agricultural University, Nanchang, Jiangxi, 330045 China
| | - Licao Cui
- College of Bioscience and Engineering, Jiangxi Agricultural University, Nanchang, Jiangxi, 330045 China
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Impact of Extreme Weather Disasters on China’s Barley Industry under the Background of Trade Friction—Based on the Partial Equilibrium Model. Foods 2022; 11:foods11111570. [PMID: 35681320 PMCID: PMC9180676 DOI: 10.3390/foods11111570] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2022] [Revised: 05/20/2022] [Accepted: 05/25/2022] [Indexed: 02/01/2023] Open
Abstract
The world has entered a compound risk era with multiple crises, and the adverse impact of trade friction and extreme weather disasters on China’s barley import has become increasingly prominent. In this context, this study uses superimposed epoch analysis and partial equilibrium model to evaluate the impact of extreme weather disasters in China’s major barley-exporting countries on China’s barley industry in the course of China–Australia trade friction. The results show that: (1) extreme weather disaster caused barley production in France and Canada to decrease by 7.95% and 18.36% respectively; (2) when the two external shocks occur at the same time, China’s barley import volume tends to decline compared with the basic scenario, the import price rises sharply, there are certain trade-diverting effects in barley import, and China’s imports from countries not affected by extreme weather disasters will increase to a certain extent; (3) China’s barley production remains at a low rate of growth and is vulnerable to external shocks, facing certain import risks. This study provides important policy implications for preventing import risks and ensuring the sufficient supply of domestic barley.
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Leybourne DJ, Valentine TA, Binnie K, Taylor A, Karley AJ, Bos JIB. Drought stress increases the expression of barley defence genes with negative consequences for infesting cereal aphids. JOURNAL OF EXPERIMENTAL BOTANY 2022; 73:2238-2250. [PMID: 35090009 DOI: 10.1093/jxb/erac010] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Accepted: 01/26/2022] [Indexed: 06/14/2023]
Abstract
Crops are exposed to myriad abiotic and biotic stressors with negative consequences. Two stressors that are expected to increase under climate change are drought and infestation with herbivorous insects, including important aphid species. Expanding our understanding of the impact drought has on the plant-aphid relationship will become increasingly important under future climate scenarios. Here we use a previously characterized plant-aphid system comprising a susceptible variety of barley, a wild relative of barley with partial aphid resistance, and the bird cherry-oat aphid to examine the drought-plant-aphid relationship. We show that drought has a negative effect on plant physiology and aphid fitness, and provide evidence to suggest that plant resistance influences aphid responses to drought stress. Furthermore, we show that the expression of thionin genes, plant defensive compounds that contribute to aphid resistance, increase in susceptible plants exposed to drought stress but remain at constant levels in the partially resistant plant, suggesting that they play an important role in determining the success of aphid populations. This study highlights the role of plant defensive processes in mediating the interactions between the environment, plants, and herbivorous insects.
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Affiliation(s)
- Daniel J Leybourne
- Division of Plant Sciences, School of Life Sciences, University of Dundee, Dundee DD2 5DA, UK
- Cell and Molecular Sciences, the James Hutton Institute, Invergowrie, Dundee DD2 5DA, UK
- Ecological Sciences, the James Hutton Institute, Invergowrie, Dundee DD2 5DA, UK
| | - Tracy A Valentine
- Ecological Sciences, the James Hutton Institute, Invergowrie, Dundee DD2 5DA, UK
| | - Kirsty Binnie
- Ecological Sciences, the James Hutton Institute, Invergowrie, Dundee DD2 5DA, UK
| | - Anna Taylor
- Ecological Sciences, the James Hutton Institute, Invergowrie, Dundee DD2 5DA, UK
| | - Alison J Karley
- Ecological Sciences, the James Hutton Institute, Invergowrie, Dundee DD2 5DA, UK
| | - Jorunn I B Bos
- Division of Plant Sciences, School of Life Sciences, University of Dundee, Dundee DD2 5DA, UK
- Cell and Molecular Sciences, the James Hutton Institute, Invergowrie, Dundee DD2 5DA, UK
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Wu PY, Stich B, Weisweiler M, Shrestha A, Erban A, Westhoff P, Inghelandt DV. Improvement of prediction ability by integrating multi-omic datasets in barley. BMC Genomics 2022; 23:200. [PMID: 35279073 PMCID: PMC8917753 DOI: 10.1186/s12864-022-08337-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Accepted: 01/20/2022] [Indexed: 11/10/2022] Open
Abstract
Background Genomic prediction (GP) based on single nucleotide polymorphisms (SNP) has become a broadly used tool to increase the gain of selection in plant breeding. However, using predictors that are biologically closer to the phenotypes such as transcriptome and metabolome may increase the prediction ability in GP. The objectives of this study were to (i) assess the prediction ability for three yield-related phenotypic traits using different omic datasets as single predictors compared to a SNP array, where these omic datasets included different types of sequence variants (full-SV, deleterious-dSV, and tolerant-tSV), different types of transcriptome (expression presence/absence variation-ePAV, gene expression-GE, and transcript expression-TE) sampled from two tissues, leaf and seedling, and metabolites (M); (ii) investigate the improvement in prediction ability when combining multiple omic datasets information to predict phenotypic variation in barley breeding programs; (iii) explore the predictive performance when using SV, GE, and ePAV from simulated 3’end mRNA sequencing of different lengths as predictors. Results The prediction ability from genomic best linear unbiased prediction (GBLUP) for the three traits using dSV information was higher than when using tSV, all SV information, or the SNP array. Any predictors from the transcriptome (GE, TE, as well as ePAV) and metabolome provided higher prediction abilities compared to the SNP array and SV on average across the three traits. In addition, some (di)-similarity existed between different omic datasets, and therefore provided complementary biological perspectives to phenotypic variation. Optimal combining the information of dSV, TE, ePAV, as well as metabolites into GP models could improve the prediction ability over that of the single predictors alone. Conclusions The use of integrated omic datasets in GP model is highly recommended. Furthermore, we evaluated a cost-effective approach generating 3’end mRNA sequencing with transcriptome data extracted from seedling without losing prediction ability in comparison to the full-length mRNA sequencing, paving the path for the use of such prediction methods in commercial breeding programs. Supplementary Information The online version contains supplementary material available at (10.1186/s12864-022-08337-7).
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Tsivelikas AL, Ben Ghanem H, El-Baouchi A, Kehel Z. Single-Plant Selection at Ultra-Low Density Enhances Buffering Capacity of Barley Varieties and Landraces to Unpredictable Environments and Improves Their Agronomic Performance. FRONTIERS IN PLANT SCIENCE 2022; 13:838536. [PMID: 35251108 PMCID: PMC8895306 DOI: 10.3389/fpls.2022.838536] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Accepted: 01/24/2022] [Indexed: 06/14/2023]
Abstract
Rainfall and temperature are unpredictable factors in Mediterranean environments that result in irregular environmental conditions for crop growth, thus being a critical source of uncertainty for farmers. This study applied divergent single-plant selection for high and low yield within five barley varieties and two Tunisian landraces under semi-arid conditions at an ultra-low density of 1.2 plants/m2 for two consecutive years. Progeny evaluation under dense stands following farmers' practices was conducted in two semi-arid locations in Tunisia during one cropping season and in one location during a second season, totalling three environments. The results revealed significant genotypic effects for all recorded agronomic and physiological traits. No genotype × environment interaction was shown for biological yield, implying a biomass buffering capacity for selected lines under different environmental conditions. However, genotype × environment interaction was present in terms of grain yield since plasticity for biomass production under drought stress conditions was not translated directly to yield compensation for some of the lines. Nevertheless, several lines selected for high yield were identified to surpass their source material and best checks in each environment, while one line (IH4-4) outperformed consistently by 62.99% on average, in terms of grain yield, the best check across all environments. In addition, improved agronomic performance under drought conditions induced an indirect effect on some grain quality traits. Most of the lines selected for high yield maintained or even improved their grain protein content in comparison to their source material (average increase by 2.33%). On the other hand, most of the lines selected for low yield indicated a poor agronomic performance, further confirming the coherence between selection under ultra-low density and performance under dense stand.
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Affiliation(s)
- Athanasios L. Tsivelikas
- Genetic Resources Section, International Center for Agricultural Research in the Dry Areas (ICARDA), Rabat, Morocco
| | - Hajer Ben Ghanem
- Field Crop Laboratory, National Institute of Agricultural Research, University of Carthage, Tunis, Tunisia
| | - Adil El-Baouchi
- African Integrated Plant and Soil Research Group (AiPlaS), AgroBioSciences, Mohammed VI Polytechnic University, Ben Guerir, Morocco
| | - Zakaria Kehel
- Genetic Resources Section, International Center for Agricultural Research in the Dry Areas (ICARDA), Rabat, Morocco
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Abstract
A culture collection of 41 bacteria isolated from the rhizosphere of cultivated barley (Hordeum vulgare subsp. vulgare) is available at the Division of Plant Sciences, University of Dundee (UK). The data include information on genes putatively implicated in nitrogen fixation, HCN channels, phosphate solubilization, and linked whole-genome sequences.
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Liu J, Wang Z, Chen Z, White JF, Malik K, Chen T, Li C. Inoculation of Barley (Hordeum vulgare) with the Endophyte Epichloë bromicola Affects Plant Growth, and the Microbial Community in Roots and Rhizosphere Soil. J Fungi (Basel) 2022; 8:jof8020172. [PMID: 35205925 PMCID: PMC8876963 DOI: 10.3390/jof8020172] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Revised: 01/29/2022] [Accepted: 02/08/2022] [Indexed: 11/17/2022] Open
Abstract
Hordeum vulgare is an important source of feed and forage for livestock, and of food and drink for humans, but its utilization rate is lower than that of other cereal crops, thus it is crucial to improve barley agronomic traits and production. Epichloë bromicola is an endophyte that was isolated from wild barley (Hordeum brevisubulatum). Previous studies have found that Epichloë can indirectly influence the growth of host plants by affecting soil chemical characteristics, the microbial community, and by producing a range of secondary metabolites. However, underlying effects of Epichloë on the abundance and diversity of soil and root microbes have not been well-studied. In addition, there is a question regarding the relationship between endophyte-produced alkaloids and effects on the root and rhizosphere microbial communities. The objective of this study was to investigate changes in agronomic traits, nutritional properties, peramine, soil chemical and microbial community in the fourth generation of new barley symbionts EI (E. bromicola-infection) and EF (E. bromicola-free) in LQ+4 and LZ+4. We understand the plant height and biomass of EI in LZ+4 were significantly higher than those of EF. The HPLC analysis showed that the peramine content of EI in LQ+4 and LZ+4 was 0.085 and 0.1 mg/g, respectively. We compared the bacterial and fungal communities by analyzing the 16s rRNA (for bacteria) and ITS rDNA regions (for fungi). Our data revealed that the composition of fungal communities in rhizosphere soil of LZ+4 EI are higher than EF. In addition, the diversity and richness of fungal communities in root and rhizosphere soil of LQ+4 EI and LZ+4 EI are significantly higher than EF. Rhizosphere soil microbial community composition was higher than that in roots in LQ+4 and LZ+4. Peramine was significantly and positively correlated with the richness of the soil fungal community. Moreover, the principal component analysis (PCoA) results indicated that E. bromicola significantly influenced the community composition of root and rhizosphere soil microbes in both LQ+4 and LZ+4. Our results illustrate that E. bromicola can influence barley growth, peramine production and microbial communities associated with barley.
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Affiliation(s)
- Jing Liu
- State Key Laboratory of Grassland Agro-Ecosystems, Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, Engineering Research Center of Grassland Industry (Ministry of Education), Gansu Tech Innovation Centre of Western China Grassland Industry, Centre for Grassland Microbiome, College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou 730020, China; (J.L.); (Z.C.); (K.M.); (T.C.)
| | - Zhengfeng Wang
- Economic Crops and Malt Barley Research Institute, Gansu Academy of Agricultural Science, Lanzhou 730070, China;
| | - Zhenjiang Chen
- State Key Laboratory of Grassland Agro-Ecosystems, Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, Engineering Research Center of Grassland Industry (Ministry of Education), Gansu Tech Innovation Centre of Western China Grassland Industry, Centre for Grassland Microbiome, College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou 730020, China; (J.L.); (Z.C.); (K.M.); (T.C.)
| | - James F. White
- Department of Plant Biology, Rutgers University, New Brunswick, NJ 08901, USA;
| | - Kamran Malik
- State Key Laboratory of Grassland Agro-Ecosystems, Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, Engineering Research Center of Grassland Industry (Ministry of Education), Gansu Tech Innovation Centre of Western China Grassland Industry, Centre for Grassland Microbiome, College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou 730020, China; (J.L.); (Z.C.); (K.M.); (T.C.)
| | - Taixiang Chen
- State Key Laboratory of Grassland Agro-Ecosystems, Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, Engineering Research Center of Grassland Industry (Ministry of Education), Gansu Tech Innovation Centre of Western China Grassland Industry, Centre for Grassland Microbiome, College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou 730020, China; (J.L.); (Z.C.); (K.M.); (T.C.)
| | - Chunjie Li
- State Key Laboratory of Grassland Agro-Ecosystems, Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, Engineering Research Center of Grassland Industry (Ministry of Education), Gansu Tech Innovation Centre of Western China Grassland Industry, Centre for Grassland Microbiome, College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou 730020, China; (J.L.); (Z.C.); (K.M.); (T.C.)
- Grassland Research Center of National Forestry and Grassland Administration, Chinese Academy of Forestry Sciences, Beijing 100091, China
- Correspondence:
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Hartmann A, Berkowitz O, Whelan J, Narsai R. Cross-species transcriptomic analyses reveals common and opposite responses in Arabidopsis, rice and barley following oxidative stress and hormone treatment. BMC PLANT BIOLOGY 2022; 22:62. [PMID: 35120438 PMCID: PMC8815143 DOI: 10.1186/s12870-021-03406-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Accepted: 12/14/2021] [Indexed: 05/27/2023]
Abstract
BACKGROUND For translational genomics, a roadmap is needed to know the molecular similarities or differences between species, such as model species and crop species. This knowledge is invaluable for the selection of target genes and pathways to alter downstream in response to the same stimuli. Here, the transcriptomic responses to six treatments including hormones (abscisic acid - ABA and salicylic acid - SA); treatments that cause oxidative stress (3-amino-1,2,4-triazole - 3AT, methyl viologen - MV); inhibit respiration (antimycin A - AA) or induce genetic damage (ultraviolet radiation -UV) were analysed and compared between Arabidopsis (Arabidopsis thaliana), barley (Hordeum vulgare) and rice (Oryza sativa). RESULTS Common and opposite responses were identified between species, with the number of differentially expressed genes (DEGs) varying greatly between treatments and species. At least 70% of DEGs overlapped with at least one other treatment within a species, indicating overlapping response networks. Remarkably, 15 to 34% of orthologous DEGs showed opposite responses between species, indicating diversity in responses, despite orthology. Orthologous DEGs with common responses to multiple treatments across the three species were correlated with experimental data showing the functional importance of these genes in biotic/abiotic stress responses. The mitochondrial dysfunction response was revealed to be highly conserved in all three species in terms of responsive genes and regulation via the mitochondrial dysfunction element. CONCLUSIONS The orthologous DEGs that showed a common response between species indicate conserved transcriptomic responses of these pathways between species. However, many genes, including prominent salt-stress responsive genes, were oppositely responsive in multiple-stresses, highlighting fundamental differences in the responses and regulation of these genes between species. This work provides a resource for translation of knowledge or functions between species.
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Affiliation(s)
- Andreas Hartmann
- Department of Animal, Plant and Soil Sciences, Australian Research Council Centre of Excellence in Plant Energy Biology, School of Life Sciences, La Trobe Institute for Agriculture and Food (LIAF), La Trobe University, 5 Ring Road Bundoora, Victoria, 3083, Australia
| | - Oliver Berkowitz
- Department of Animal, Plant and Soil Sciences, Australian Research Council Centre of Excellence in Plant Energy Biology, School of Life Sciences, La Trobe Institute for Agriculture and Food (LIAF), La Trobe University, 5 Ring Road Bundoora, Victoria, 3083, Australia
| | - James Whelan
- Department of Animal, Plant and Soil Sciences, Australian Research Council Centre of Excellence in Plant Energy Biology, School of Life Sciences, La Trobe Institute for Agriculture and Food (LIAF), La Trobe University, 5 Ring Road Bundoora, Victoria, 3083, Australia
| | - Reena Narsai
- Department of Animal, Plant and Soil Sciences, Australian Research Council Centre of Excellence in Plant Energy Biology, School of Life Sciences, La Trobe Institute for Agriculture and Food (LIAF), La Trobe University, 5 Ring Road Bundoora, Victoria, 3083, Australia.
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Guerra D, Morcia C, Badeck F, Rizza F, Delbono S, Francia E, Milc JA, Monostori I, Galiba G, Cattivelli L, Tondelli A. Extensive allele mining discovers novel genetic diversity in the loci controlling frost tolerance in barley. TAG. THEORETICAL AND APPLIED GENETICS. THEORETISCHE UND ANGEWANDTE GENETIK 2022; 135:553-569. [PMID: 34757472 PMCID: PMC8866391 DOI: 10.1007/s00122-021-03985-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Accepted: 10/26/2021] [Indexed: 05/24/2023]
Abstract
Exome sequencing-based allele mining for frost tolerance suggests HvCBF14 rather than CNV at Fr-H2 locus is the main responsible of frost tolerance in barley. Wild relatives, landraces and old cultivars of barley represent a reservoir of untapped and potentially important genes for crop improvement, and the recent sequencing technologies provide the opportunity to mine the existing genetic diversity and to identify new genes/alleles for the traits of interest. In the present study, we use frost tolerance and vernalization requirement as case studies to demonstrate the power of allele mining carried out on exome sequencing data generated from > 400 barley accessions. New deletions in the first intron of VRN-H1 were identified and linked to a reduced vernalization requirement, while the allelic diversity of HvCBF2a, HvCBF4b and HvCBF14 was investigated by combining the analysis of SNPs and read counts. This approach has proven very effective to identify gene paralogs and copy number variants of HvCBF2 and the HvCBF4b-HvCBF2a segment. A multiple linear regression model which considers allelic variation at these genes suggests a major involvement of HvCBF14, rather than copy number variation of HvCBF4b-HvCBF2a, in controlling frost tolerance in barley. Overall, the present study provides powerful resource and tools to discover novel alleles at relevant genes in barley.
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Affiliation(s)
- Davide Guerra
- Council for Agricultural Research and Economics - Research Centre for Genomics and Bioinformatics, Via S. Protaso 302, 29017, Fiorenzuola d'Arda , PC, Italy.
| | - Caterina Morcia
- Council for Agricultural Research and Economics - Research Centre for Genomics and Bioinformatics, Via S. Protaso 302, 29017, Fiorenzuola d'Arda , PC, Italy
| | - Franz Badeck
- Council for Agricultural Research and Economics - Research Centre for Genomics and Bioinformatics, Via S. Protaso 302, 29017, Fiorenzuola d'Arda , PC, Italy
| | - Fulvia Rizza
- Council for Agricultural Research and Economics - Research Centre for Genomics and Bioinformatics, Via S. Protaso 302, 29017, Fiorenzuola d'Arda , PC, Italy
| | - Stefano Delbono
- Council for Agricultural Research and Economics - Research Centre for Genomics and Bioinformatics, Via S. Protaso 302, 29017, Fiorenzuola d'Arda , PC, Italy
| | - Enrico Francia
- Department of Life Sciences, University of Modena and Reggio Emilia, Via Amendola 2, Pad. Besta, 42122, Reggio Emilia, Italy
| | - Justyna Anna Milc
- Department of Life Sciences, University of Modena and Reggio Emilia, Via Amendola 2, Pad. Besta, 42122, Reggio Emilia, Italy
| | - Istvan Monostori
- Centre for Agricultural Research, Agricultural Institute, Eötvös Loránd Research Network, Martonvásár, 2462, Hungary
| | - Gabor Galiba
- Centre for Agricultural Research, Agricultural Institute, Eötvös Loránd Research Network, Martonvásár, 2462, Hungary
- Department of Environmental Sustainability, Festetics Doctoral School, IES, Hungarian University of Agriculture and Life Sciences, Georgikon Campus, Keszthely, 8360, Hungary
| | - Luigi Cattivelli
- Council for Agricultural Research and Economics - Research Centre for Genomics and Bioinformatics, Via S. Protaso 302, 29017, Fiorenzuola d'Arda , PC, Italy
| | - Alessandro Tondelli
- Council for Agricultural Research and Economics - Research Centre for Genomics and Bioinformatics, Via S. Protaso 302, 29017, Fiorenzuola d'Arda , PC, Italy
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Hagenblad J, Vanhala T, Madhavan S, Leino MW. Protein content and HvNAM alleles in Nordic barley (Hordeum vulgare) during a century of breeding. Hereditas 2022; 159:12. [PMID: 35094697 PMCID: PMC8802435 DOI: 10.1186/s41065-022-00227-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Accepted: 01/13/2022] [Indexed: 11/18/2022] Open
Abstract
Background Barley has been bred for more than a century in the Nordic countries, with dramatic improvements of yield traits. In this study we investigate if this has come at the cost of lower grain protein and micronutrient (iron, zinc) content, by analysing 80 accessions representing four different improvement stages. We further re-sequenced the two grain protein content associated genes HvNAM-1 and HvNAM-2 in full and performed expression analyses of the same genes to search for genetic associations with nutrient content. Results We found higher thousand grain weight in barley landraces and in accessions from the late improvement group compared to accessions from the mid of the twentieth century. Straw length was much reduced in late stage accessions. No significant temporal decrease in grain protein, iron or zinc content during twentieth century Nordic crop improvement could be detected. Out of the 80 accessions only two deviant HvNAM-1 sequences were found, represented by one accession each. These do not appear to be correlated to grain protein content. The sequence of HvNAM-2 was invariable in all accessions and no correlations between expression levels of HvNAM-1 and HvNAM-2 and with grain protein content was found. Conclusions In contrast to studies in wheat, where a strong negative correlation between straw length and grain protein and micronutrient content has been found, we do not see this relationship in Nordic barley. The last 60 years of breeding has reduced straw length but, contrary to expectations, not protein and micronutrient content. Variation in grain protein and micronutrient content was found among the Nordic barley accessions, but it is not explained by variation of HvNAM genes. This means that HvNAM is an unexploited source of genetic variation for nutrient content in Nordic barley. Supplementary Information The online version contains supplementary material available at 10.1186/s41065-022-00227-y.
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Glagoleva A, Kukoeva T, Mursalimov S, Khlestkina E, Shoeva O. Effects of Combining the Genes Controlling Anthocyanin and Melanin Synthesis in the Barley Grain on Pigment Accumulation and Plant Development. AGRONOMY 2022; 12:112. [PMID: 0 DOI: 10.3390/agronomy12010112] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Anthocyanins and melanins are phenolic pigments of plants and accumulate in seed envelopes of the barley grain, thereby giving them a blue, purple, or black color. To explore the effects of combined accumulation of anthocyanins and melanins in the grain, a barley near-isogenic line (NIL), characterized by simultaneous accumulation in both pigments, was developed using a marker-assisted approach. The presence of both pigments in the grain pericarp was evaluated by light microscopy. Emergence of anthocyanin pigmentation proved to be temporally separated from that of melanin, and the formation of anthocyanin pigments began at an earlier stage of spike maturation. During spike maturation, a significantly higher total anthocyanin content was noted in the created NIL than in the parental anthocyanin-accumulating NIL, indicating a positive influence of the Blp1 gene on the anthocyanin content at some developmental stages. In a comparative analysis of yield components, it was found that the observed differences between the barley NILs are possibly caused by environmental factors, and the presence of pigments does not decrease plant productivity. Our results should facilitate investigation into genetic mechanisms underlying overlaps in the biosynthesis of pigments and into breeding strategies aimed at the enrichment of barley varieties with polyphenols.
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Trubacheeva NV, Pershina LA. Problems and possibilities of studying malting quality in barley using molecular genetic approaches. Vavilovskii Zhurnal Genet Selektsii 2021; 25:171-177. [PMID: 34901715 PMCID: PMC8627870 DOI: 10.18699/vj21.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Revised: 09/24/2020] [Accepted: 10/26/2020] [Indexed: 11/19/2022] Open
Abstract
About one-third of the world’s barley crop is used for malt production to meet the needs of the brewing
industry. In this regard, the study of the genetic basis of malting quality traits and the breeding of malting barley
varieties that are adaptive to their growing conditions are relevant throughout the world, particularly in the Russian Federation, where the cultivation and use of foreign malting varieties of barley prevails. The main parameters
of malting quality (artificially germinated and dried barley grains) are malt extract, diastatic power, Kolbach index,
viscosity, grain protein, wort β-glucan, free amino nitrogen, and soluble protein content. Most of these components
are under the control of quantitative trait loci (QTLs) and are affected by environmental conditions, which complicates their study and precise localization. In addition, the phenotypic assessment of malting quality traits requires
elaborate, expensive phenotypic analyses. Currently, there are more than 200 QTLs associated with malting parameters, which were identified using biparental mapping populations. Molecular markers are widely used both for
mapping QTL loci responsible for malting quality traits and for performing marker-assisted selection (MAS), which,
in combination with conventional breeding, makes it possible to create effective strategies aimed at accelerating
the process of obtaining new promising genotypes. Nevertheless, the MAS of malting quality traits faces a series of
difficulties, such as the low accuracy of localization of QTLs, their ineffectiveness when transferred to another genetic background, and linkage with undesirable traits, which makes it necessary to validate QTLs and the molecular
markers linked to them. This review presents the results of studies that used MAS to improve the malting quality of
barley, and it also considers studies that searched for associations between genotype and phenotype, carried out
using GWAS (genome-wide association study) approaches based on the latest achievements of high-throughput
genotyping (diversity array technology (DArT) and single-nucleotide polymorphism markers (SNPs)).
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Affiliation(s)
- N V Trubacheeva
- Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences, Kurchatov Genomics Center of ICG SB RAS, Novosibirsk, Russia
| | - L A Pershina
- Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences, Kurchatov Genomics Center of ICG SB RAS, Novosibirsk, Russia
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Bziuk N, Maccario L, Straube B, Wehner G, Sørensen SJ, Schikora A, Smalla K. The treasure inside barley seeds: microbial diversity and plant beneficial bacteria. ENVIRONMENTAL MICROBIOME 2021; 16:20. [PMID: 34711269 PMCID: PMC8554914 DOI: 10.1186/s40793-021-00389-8] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Accepted: 10/04/2021] [Indexed: 05/11/2023]
Abstract
BACKGROUND Bacteria associated with plants can enhance the plants' growth and resistance against phytopathogens. Today, growers aim to reduce the use of mineral fertilizers and pesticides. Since phytopathogens cause severe yield losses in crop production systems, biological alternatives gain more attention. Plant and also seed endophytes have the potential to influence the plant, especially seed-borne bacteria may express their beneficiary impact at initial plant developmental stages. In the current study, we assessed the endophytic seed microbiome of seven genetically diverse barley accessions by 16S rRNA gene amplicon sequencing and verified the in vitro plant beneficial potential of isolated seed endophytes. Furthermore, we investigated the impact of the barley genotype and its seed microbiome on the rhizosphere microbiome at an early growth stage by 16S rRNA gene amplicon sequencing. RESULTS The plant genotype displayed a significant impact on the microbiota in both barley seed and rhizosphere. Consequently, the microbial alpha- and beta-diversity of the endophytic seed microbiome was highly influenced by the genotype. Interestingly, no correlation was observed between the endophytic seed microbiome and the single nucleotide polymorphisms of the seven genotypes. Unclassified members of Enterobacteriaceae were by far most dominant. Other abundant genera in the seed microbiome belonged to Curtobacterium, Paenibacillus, Pantoea, Sanguibacter and Saccharibacillus. Endophytes isolated from barley seeds were affiliated to dominant genera of the core seed microbiome, based on their 16S rRNA gene sequence. Most of these endophytic isolates produced in vitro plant beneficial secondary metabolites known to induce plant resistance. CONCLUSION Although barley accessions representing high genetic diversity displayed a genotype-dependent endophytic seed microbiome, a core seed microbiome with high relative abundances was identified. Endophytic isolates were affiliated to members of the core seed microbiome and many of them showed plant beneficial properties. We propose therefore that new breeding strategies should consider genotypes with high abundance of beneficial microbes.
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Affiliation(s)
- Nina Bziuk
- Institute for Epidemiology and Pathogen Diagnostics, Julius Kühn Institute (JKI) – Federal Research Centre for Cultivated Plants, Messeweg 11-12, 38104 Braunschweig, Germany
| | - Lorrie Maccario
- Section of Microbiology, Copenhagen University, Universitetsparken 15, 2100 Copenhagen, Denmark
| | - Benjamin Straube
- Institute for Epidemiology and Pathogen Diagnostics, Julius Kühn Institute (JKI) – Federal Research Centre for Cultivated Plants, Messeweg 11-12, 38104 Braunschweig, Germany
| | - Gwendolin Wehner
- Institute for Resistance Research and Stress Tolerance, Julius Kühn Institute (JKI) – Federal Research Centre for Cultivated Plants, Erwin-Baur-Str. 27, 06484 Quedlinburg, Germany
| | - Søren J. Sørensen
- Section of Microbiology, Copenhagen University, Universitetsparken 15, 2100 Copenhagen, Denmark
| | - Adam Schikora
- Institute for Epidemiology and Pathogen Diagnostics, Julius Kühn Institute (JKI) – Federal Research Centre for Cultivated Plants, Messeweg 11-12, 38104 Braunschweig, Germany
| | - Kornelia Smalla
- Institute for Epidemiology and Pathogen Diagnostics, Julius Kühn Institute (JKI) – Federal Research Centre for Cultivated Plants, Messeweg 11-12, 38104 Braunschweig, Germany
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Bouhlal O, Affricot JR, Puglisi D, El-Baouchi A, El Otmani F, Kandil M, Hafidi A, Keser M, Sanchez-Garcia M, Visioni A. Malting Quality of ICARDA Elite Winter Barley (Hordeum vulgare L.) Germplasm Grown in Moroccan Middle Atlas. JOURNAL OF THE AMERICAN SOCIETY OF BREWING CHEMISTS 2021. [DOI: 10.1080/03610470.2021.1978036] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Outmane Bouhlal
- Biodiversity and Crop Improvement Program (BICP), International Centre for Agricultural Research in the Dry Areas (ICARDA), Rabat, Morocco
- Team of Anthropogenetics and Biotechnologies, Faculty of Sciences, Chouaib Doukkali University, El-Jadida, Morocco
| | - Jean Raymond Affricot
- Biodiversity and Crop Improvement Program (BICP), International Centre for Agricultural Research in the Dry Areas (ICARDA), Rabat, Morocco
- Food Sciences Laboratory, Department of Biology, Faculty of Sciences Semlalia, Cadi Ayyad University, Marrakech, Morocco
| | - Damiano Puglisi
- Dipartimento di Agricoltura, Alimentazione e Ambiente, University of Catania, Catania, Italy
| | - Adil El-Baouchi
- African Integrated Plant and Soil Research Group (AiPlaS), AgroBioSciences, Mohammed VI Polytechnic University, Ben Guerir, Morocco
| | - Fatima El Otmani
- Microbiology, Health and Environment Research Team, Department of Biology, Faculty of Sciences, Chouaib Doukkali University, El Jadida, Morocco
| | - Mostafa Kandil
- Team of Anthropogenetics and Biotechnologies, Faculty of Sciences, Chouaib Doukkali University, El-Jadida, Morocco
| | - Abdellatif Hafidi
- Food Sciences Laboratory, Department of Biology, Faculty of Sciences Semlalia, Cadi Ayyad University, Marrakech, Morocco
| | - Mesut Keser
- Biodiversity and Crop Improvement Program (BICP), International Centre for Agricultural Research in the Dry Areas (ICARDA), Rabat, Morocco
| | - Miguel Sanchez-Garcia
- Biodiversity and Crop Improvement Program (BICP), International Centre for Agricultural Research in the Dry Areas (ICARDA), Rabat, Morocco
| | - Andrea Visioni
- Biodiversity and Crop Improvement Program (BICP), International Centre for Agricultural Research in the Dry Areas (ICARDA), Rabat, Morocco
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Barmeier G, Hu Y, Schmidhalter U. Partitioning and Translocation of Dry Matter and Nitrogen During Grain Filling in Spring Barley Varieties and Their Roles in Determining Malting Quality. FRONTIERS IN PLANT SCIENCE 2021; 12:722871. [PMID: 34497628 PMCID: PMC8419453 DOI: 10.3389/fpls.2021.722871] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Accepted: 07/23/2021] [Indexed: 06/13/2023]
Abstract
To meet the strict requirements for the malting quality of both grain size and protein content for malting barley, a better understanding of the partitioning and remobilization of dry matter (DM) and nitrogen (N) from individual vegetative organs during grain filling may contribute to adjusting a balance in both quality parameters to satisfy the malting criteria of the brewing industry. A 2-year experiment that included 23 spring malting barley varieties was carried out to determine the DM and N partitioning in different organs at anthesis and maturity and to estimate their remobilization to grains. In contrast to the genetic variation of the 23 barley varieties, year effect was the most important single factor influencing the DM and N accumulation at pre-anthesis, and the DM and N translocation from their reserves at pre-anthesis. Post-anthesis assimilates accounted for 71-94% of the total grain yield among the barley varieties in 2014 and 53-81% in 2015. In contrast, the N reserved in vegetative tissues at anthesis contributed to barley grain N from 67% in the variety Union to 91% in the variety Marthe in 2014, and 71% in the variety Grace to 97% in the variety Shakira in 2015. The results concluded that photosynthetically derived assimilates at post-anthesis played an important role in determining grain size, whereas N reserves at pre-anthesis and N remobilization at post-anthesis probably determined the grain protein content of the malting barley. To achieve a high quality of malting barley grains in both grain size and protein content simultaneously, balancing photosynthetic assimilates at post-anthesis and N reserves at pre-anthesis and N remobilization should be considered as strategies for the combination of the selection of spring malting barley varieties together with agronomic N management.
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Ayachi I, Ghabriche R, Kourouma Y, Ben Naceur M, Abdelly C, Thomine S, Ghnaya T. Cd tolerance and accumulation in barley: screening of 36 North African cultivars on Cd-contaminated soil. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:42722-42736. [PMID: 33821443 DOI: 10.1007/s11356-021-13768-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Accepted: 03/29/2021] [Indexed: 06/12/2023]
Abstract
In North Africa, barley (Hordeum vulgare L) is the second most cultivated cereal. In Tunisia, barley is cultivated in mining areas with possible Cd soil contamination. The accumulation of Cd was studied in the 36 most cultivated North African barley cultivars cultured during 6 months on control soil and on soil containing 10 ppm of Cd. Cadmium did not affect germination and morphology in any cultivar. However, Cd induced variable effects on the biomass according to the cultivar. The cultivar Lemsi was the most sensitive one and Gisa 127 the most tolerant to Cd. The spike morphology did not show any differences between control and Cd-treated plants. The number of grains per spike and the weight of kernels were differently affected by Cd. On this basis, we identified Manel, Temassine, Giza 130, and Firdaws as the most tolerant cultivars and Raihane, Giza 123, Adrar, and Amira as the most sensitive ones. Cd accumulated at a higher concentration in straw than in the grains, but for both organs, we observed a significant intraspecific variability. In the straw, Lemsi and Massine showed the highest Cd concentration, while the lowest concentration was recorded in Temassine. In the kernels, Amalou showed the highest Cd concentration, 14 μgg-1 of dry weight (DW), but the lowest Cd concentration was 1.7 μg g-1 DW in Kebelli. Based on the official allowable limit of Cd in the grain, all cultivars represent a potential risk when cultivated on soil contaminated with 10 ppm Cd. The molecular and physiological basis responsible for the differences in Cd tolerance and accumulation among barley cultivars will require more investigations.
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Affiliation(s)
- Imen Ayachi
- Laboratory of Extremophile Plants, Biotechnology Center of Borj Cedria, Box 901, Hammam-Lif, 2050, Tunis, Tunisia
- CEA, CNRS, Institute for Integrative Biology of the Cell (I2BC), Université Paris-Saclay, 91198, Gif-sur-Yvette, France
| | - Rim Ghabriche
- Laboratory of Extremophile Plants, Biotechnology Center of Borj Cedria, Box 901, Hammam-Lif, 2050, Tunis, Tunisia
| | - Yan Kourouma
- CEA, CNRS, Institute for Integrative Biology of the Cell (I2BC), Université Paris-Saclay, 91198, Gif-sur-Yvette, France
| | | | - Chedly Abdelly
- Laboratory of Extremophile Plants, Biotechnology Center of Borj Cedria, Box 901, Hammam-Lif, 2050, Tunis, Tunisia
| | - Sebastien Thomine
- CEA, CNRS, Institute for Integrative Biology of the Cell (I2BC), Université Paris-Saclay, 91198, Gif-sur-Yvette, France
| | - Tahar Ghnaya
- Laboratory of Extremophile Plants, Biotechnology Center of Borj Cedria, Box 901, Hammam-Lif, 2050, Tunis, Tunisia.
- Higher Institute of Arts and Crafts of Tataouine, University of Gabes, Rue OmarrEbenkhattab, 6029, Zerig-Gabes, Tunisia.
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Genetic Diversity for Agronomic Traits and Phytochemical Compounds in Coloured Naked Barley Lines. PLANTS 2021; 10:plants10081575. [PMID: 34451619 PMCID: PMC8398654 DOI: 10.3390/plants10081575] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Revised: 07/26/2021] [Accepted: 07/27/2021] [Indexed: 11/17/2022]
Abstract
Interest of breeders is increasing toward the development of new barley cultivars with functional properties and adapted for food uses. A barley breeding program was initiated to develop germplasm with naked and coloured grains rich in bioactive compounds In the present study, a set of 16 F8 recombinant inbred lines (RILs) derived from the following four parental lines: 2005FG, K4-31, L94 and Priora, were evaluated in the experimental trials in Foggia (Italy) during the 2017–2019 growing seasons with the aims to assess the genetic variability for desired traits and identify superior genotypes. Lines were characterised for agronomic traits (earliness, plant height, seed yield, specific weight, 1000-seed weight) and biochemical compounds accumulation (phenolics, anthocyanins, flavonoids, carotenoids, β-glucans, proteins, antioxidant activity). A high heritability and selection response were observed for most of the biochemical compounds. The grain yield showed high significant positive genetic and phenotypic correlations (p < 0.05) with phenols and antioxidant activity. Cluster analysis grouped the genotypes into three groups. The barley RIL lines L1997, L3005, L3007 and L3009 were superior for more than four traits including seed yield and antioxidant compounds. These genotypes may serve as potential sources of nutraceuticals for healthy food and in breeding programs. In the present study, the new barley genotypes with naked and coloured grains have been selected without compromising their productivity.
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Fungicide Resistance Evolving in Ramularia collo-cygni Population in Estonia. Microorganisms 2021; 9:microorganisms9071514. [PMID: 34361949 PMCID: PMC8307248 DOI: 10.3390/microorganisms9071514] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Revised: 07/09/2021] [Accepted: 07/13/2021] [Indexed: 11/25/2022] Open
Abstract
Ramularia leaf spot caused by the fungus Ramularia collo-cygni, has recently become widespread in Estonian barley fields. Currently, disease control in barley fields relies on SDHI and DMI fungicides, which might be threatened by R. collo-cygni isolates that are well-adapted to fungicide pressure. In a two-year study, 353 R. collo-cygni isolates were collected from spring barley fields in Estonia. A total of 153 R. collo-cygni isolates were examined for sensitivity to azoles (DMIs; prothioconazole-desthio, epoxiconazole, mefentrifluconazole) and succinate dehydrogenase inhibitors (SDHIs; boscalid, fluxapyroxad). Epoxiconazole was the least effective and a new fungicide mefentrifluconazole was the most effective DMI. Among SDHIs, fluxapyroxad was more effective than boscalid. Also, single R. collo-cygni isolates with high resistance to tested fungicides occurred, which could affect fungicide control of the pathogen. The entire collection of R. collo-cygni was analysed for mutations in fungicide target proteins. Six mutations were identified in CYP51 gene, the most dominant being I381T, I384T, and S459C. Also, numerous point mutations in the SdhC gene were present. The mutation G143A in strobilurin target protein CytB dominates in over 80% of the R. collo-cygni population, confirming the low efficacy of strobilurin fungicides in barley disease control.
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The effect of feeding whole-crop barley or black oat silage in the fatty acid content of milk from cows in small-scale dairy systems in the highlands of Mexico. Trop Anim Health Prod 2021; 53:399. [PMID: 34254207 DOI: 10.1007/s11250-021-02805-0] [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: 10/17/2020] [Accepted: 06/04/2021] [Indexed: 10/20/2022]
Abstract
Diets have an important effect on the fatty acid (FA) content in milk from dairy cows so that feeding strategies may modify the FA profile. There is little information on the fatty acid contents of whole-crop barley (BLY) and black oat (BKO) silages and on milk from cows fed these silages that are an alternative forage for small-scale dairy systems (SSDS). Given the growing interest in foods with favourable health attributes, the objective was to identify the FA content of milk from dairy cows fed whole-crop BLY and BKO silages in small-scale systems. Three inclusion levels of BLY and BKO silage were assessed in nine lactating cows at pasture for 8 h/day and supplemented with 4.6 kg/DM/cow/day commercial concentrate. Treatments were BLY: 10 kg DM/cow/day BLY silage; BKO: 10 kg DM/cow/d BKO silage; and BLY/BKO: 5 kg BLY and 5 kg DM/cow/d BKO silages (50:50). A 3 × 3 Latin square design repeated three times with nine cows and 14-day periods was utilised. Variables evaluated were the content of fatty acids present in feeds and milk. Contents of linoleic (C18:2n-6) and linolenic (C18:3n-3) acids, as precursors of polyunsaturated fatty acids, were 46 in BLY and 50 BKO g/100 g, lower than for multispecies pasture (61 g/100 g). There were statistical differences in the content of short-chain fatty acids in milk (P < 0.05), being lower for BLY (18.9 g/100 g) compared with BKO (20.4 g/100 g) and BLY/BKO (20.6 g/100 g), the saturated fatty acids and linoleic acid (C18:2n-6c) were higher in BLY/BKO in relation to BLY and BKO. Content of health-promoting polyunsaturated fatty acids in milk was higher in BLY/BKO (P < 0.05). There were no differences (P < 0.05) in the atherogenic index, with values within reports. Small-grain cereal forages may produce milk with a favourable fatty acid content for human health.
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Hunt JR, Kirkegaard JA, Harris FA, Porker KD, Rattey AR, Collins MJ, Celestina C, Cann DJ, Hochman Z, Lilley JM, Flohr BM. Exploiting genotype × management interactions to increase rainfed crop production: a case study from south-eastern Australia. JOURNAL OF EXPERIMENTAL BOTANY 2021; 72:5189-5207. [PMID: 34228105 DOI: 10.1093/jxb/erab250] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Accepted: 05/31/2021] [Indexed: 05/08/2023]
Abstract
Crop yield must increase to keep pace with growing global demand. Past increases in crop production have rarely been attributable to an individual innovation but have occurred when technologies and practices combine to form improved farming systems. Inevitably this has involved synergy between genotypic and management improvements. We argue that research focused on developing synergistic systems that overcome clear production constraints will accelerate increases in yield. This offers the opportunity to better focus and multiply the impact of discipline-focused research. Here we use the rainfed grain production systems of south-eastern Australia as a case study of how transformational change in water productivity can be achieved with research focused on genotype × management synergies. In this region, rainfall is low and variable and has declined since 1990. Despite this, growers have maintained yields by implementing synergistic systems combining innovations in (i) soil water conservation, (ii) crop diversity, (iii) earlier sowing, and (iv) matching nitrogen fertilizer to water-limited demand. Further increases are emerging from synergies between genetic improvements to deliver flowering time stability, adjusted sowing times, and potential dual-purpose use. Collaboration between agronomists, physiologists, and crop breeders has led to development of commercial genotypes with stable flowering time that are in early phases of testing and adoption.
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Affiliation(s)
- James R Hunt
- Department of Animal, Plant and Soil Sciences, La Trobe University, Bundoora, VIC, Australia
| | - John A Kirkegaard
- Commonwealth Scientific and Industrial Research Organisation (CSIRO) Agriculture & Food, Canberra, ACT, Australia
| | - Felicity A Harris
- New South Wales Department of Primary Industries, Wagga Wagga, NSW, Australia
| | - Kenton D Porker
- South Australian Research & Development Institute & School of Agriculture, Food & Wine, Waite Research Institute, The University of Adelaide, Urrbrae, SA, Australia
| | | | - Marisa J Collins
- Department of Animal, Plant and Soil Sciences, La Trobe University, Bundoora, VIC, Australia
| | - Corinne Celestina
- Department of Animal, Plant and Soil Sciences, La Trobe University, Bundoora, VIC, Australia
| | - David J Cann
- Department of Animal, Plant and Soil Sciences, La Trobe University, Bundoora, VIC, Australia
| | - Zvi Hochman
- Commonwealth Scientific and Industrial Research Organisation (CSIRO) Agriculture & Food, St Lucia, QLD, Australia
| | - Julianne M Lilley
- Commonwealth Scientific and Industrial Research Organisation (CSIRO) Agriculture & Food, Canberra, ACT, Australia
| | - Bonnie M Flohr
- Commonwealth Scientific and Industrial Research Organisation (CSIRO) Agriculture & Food, Adelaide, ACT, Australia
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Šimić G, Lalić A, Horvat D, Zdunić Z, Koceva Komlenić D, Bucić-Kojić A, Planinić M, Tišma M. Production and analysis of the flour from the hull-less barley. JOURNAL OF FOOD MEASUREMENT AND CHARACTERIZATION 2021. [DOI: 10.1007/s11694-021-00857-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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49
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Bziuk N, Maccario L, Douchkov D, Lueck S, Babin D, Sørensen SJ, Schikora A, Smalla K. Tillage shapes the soil and rhizosphere microbiome of barley-but not its susceptibility towards Blumeria graminis f. sp. hordei. FEMS Microbiol Ecol 2021; 97:6129324. [PMID: 33544837 DOI: 10.1093/femsec/fiab018] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Accepted: 02/03/2021] [Indexed: 12/11/2022] Open
Abstract
Long-term agricultural practices are assumed to shape the rhizosphere microbiome of crops with implications for plant health. In a long-term field experiment, we investigated the effect of different tillage and fertilization practices on soil and barley rhizosphere microbial communities by means of amplicon sequencing of 16S rRNA gene fragments from total community DNA. Differences in the microbial community composition depending on the tillage practice, but not the fertilization intensity were revealed. To examine whether these soil and rhizosphere microbiome differences influence the plant defense response, barley (cultivar Golden Promise) was grown in field or standard potting soil under greenhouse conditions and challenged with Blumeria graminis f. sp. hordei (Bgh). Amplicon sequence analysis showed that preceding tillage practice, but also aboveground Bgh challenge significantly influenced the microbial community composition. Expression of plant defense-related genes PR1b and PR17b was higher in challenged compared to unchallenged plants. The Bgh infection rates were strikingly lower for barley grown in field soil compared to potting soil. Although previous agricultural management shaped the rhizosphere microbiome, no differences in plant health were observed. We propose therefore that the management-independent higher microbial diversity of field soils compared to potting soils contributed to the low infection rates of barley.
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Affiliation(s)
- Nina Bziuk
- Julius Kühn Institute (JKI) - Federal Research Centre for Cultivated Plants, Institute for Epidemiology and Pathogen Diagnostics, Messeweg 11-12, 38104 Braunschweig, Germany
| | - Lorrie Maccario
- Copenhagen University, Department of Biology, Section of Microbiology, Universitetsparken 15, 2100 Copenhagen, Denmark
| | - Dimitar Douchkov
- Leibniz Institute of Plant Genetics and Crop Plant Research (IPK), Department of Breeding Research, Corrensstraße 3, 06466 Seeland, Germany
| | - Stefanie Lueck
- Leibniz Institute of Plant Genetics and Crop Plant Research (IPK), Department of Breeding Research, Corrensstraße 3, 06466 Seeland, Germany
| | - Doreen Babin
- Julius Kühn Institute (JKI) - Federal Research Centre for Cultivated Plants, Institute for Epidemiology and Pathogen Diagnostics, Messeweg 11-12, 38104 Braunschweig, Germany
| | - Søren J Sørensen
- Copenhagen University, Department of Biology, Section of Microbiology, Universitetsparken 15, 2100 Copenhagen, Denmark
| | - Adam Schikora
- Julius Kühn Institute (JKI) - Federal Research Centre for Cultivated Plants, Institute for Epidemiology and Pathogen Diagnostics, Messeweg 11-12, 38104 Braunschweig, Germany
| | - Kornelia Smalla
- Julius Kühn Institute (JKI) - Federal Research Centre for Cultivated Plants, Institute for Epidemiology and Pathogen Diagnostics, Messeweg 11-12, 38104 Braunschweig, Germany
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Milne L, Bayer M, Rapazote-Flores P, Mayer CD, Waugh R, Simpson CG. EORNA, a barley gene and transcript abundance database. Sci Data 2021; 8:90. [PMID: 33767193 DOI: 10.1038/s41597-021-00872-874] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Accepted: 02/22/2021] [Indexed: 05/27/2023] Open
Abstract
A high-quality, barley gene reference transcript dataset (BaRTv1.0), was used to quantify gene and transcript abundances from 22 RNA-seq experiments, covering 843 separate samples. Using the abundance data we developed a Barley Expression Database (EORNA*) to underpin a visualisation tool that displays comparative gene and transcript abundance data on demand as transcripts per million (TPM) across all samples and all the genes. EORNA provides gene and transcript models for all of the transcripts contained in BaRTV1.0, and these can be conveniently identified through either BaRT or HORVU gene names, or by direct BLAST of query sequences. Browsing the quantification data reveals cultivar, tissue and condition specific gene expression and shows changes in the proportions of individual transcripts that have arisen via alternative splicing. TPM values can be easily extracted to allow users to determine the statistical significance of observed transcript abundance variation among samples or perform meta analyses on multiple RNA-seq experiments. * Eòrna is the Scottish Gaelic word for Barley.
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Affiliation(s)
- Linda Milne
- Information and Computational Sciences, The James Hutton Institute, Invergowrie, Dundee, DD2 5DA, UK
| | - Micha Bayer
- Information and Computational Sciences, The James Hutton Institute, Invergowrie, Dundee, DD2 5DA, UK
| | - Paulo Rapazote-Flores
- Information and Computational Sciences, The James Hutton Institute, Invergowrie, Dundee, DD2 5DA, UK
| | - Claus-Dieter Mayer
- Biomathematics and Statistics Scotland, University of Aberdeen, Aberdeen, AB25 2ZD, UK
| | - Robbie Waugh
- Cell and Molecular Sciences, The James Hutton Institute, Invergowrie, Dundee, DD2 5DA, UK
- Division of Plant Sciences, School of Life Sciences, University of Dundee at the James Hutton Institute, Dundee, DD2 5DA, UK
- School of Agriculture and Wine & Waite Research Institute, University of Adelaide, Waite Campus, Glen Osmond, SA, 5064, Australia
| | - Craig G Simpson
- Cell and Molecular Sciences, The James Hutton Institute, Invergowrie, Dundee, DD2 5DA, UK.
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