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Chiwina K, Xiong H, Bhattarai G, Dickson RW, Phiri TM, Chen Y, Alatawi I, Dean D, Joshi NK, Chen Y, Riaz A, Gepts P, Brick M, Byrne PF, Schwartz H, Ogg JB, Otto K, Fall A, Gilbert J, Shi A. Genome-Wide Association Study and Genomic Prediction of Fusarium Wilt Resistance in Common Bean Core Collection. Int J Mol Sci 2023; 24:15300. [PMID: 37894980 PMCID: PMC10607830 DOI: 10.3390/ijms242015300] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Revised: 09/29/2023] [Accepted: 10/16/2023] [Indexed: 10/29/2023] Open
Abstract
The common bean (Phaseolus vulgaris L.) is a globally cultivated leguminous crop. Fusarium wilt (FW), caused by Fusarium oxysporum f. sp. phaseoli (Fop), is a significant disease leading to substantial yield loss in common beans. Disease-resistant cultivars are recommended to counteract this. The objective of this investigation was to identify single nucleotide polymorphism (SNP) markers associated with FW resistance and to pinpoint potential resistant common bean accessions within a core collection, utilizing a panel of 157 accessions through the Genome-wide association study (GWAS) approach with TASSEL 5 and GAPIT 3. Phenotypes for Fop race 1 and race 4 were matched with genotypic data from 4740 SNPs of BARCBean6K_3 Infinium Bea Chips. After ranking the 157-accession panel and revealing 21 Fusarium wilt-resistant accessions, the GWAS pinpointed 16 SNPs on chromosomes Pv04, Pv05, Pv07, Pv8, and Pv09 linked to Fop race 1 resistance, 23 SNPs on chromosomes Pv03, Pv04, Pv05, Pv07, Pv09, Pv10, and Pv11 associated with Fop race 4 resistance, and 7 SNPs on chromosomes Pv04 and Pv09 correlated with both Fop race 1 and race 4 resistances. Furthermore, within a 30 kb flanking region of these associated SNPs, a total of 17 candidate genes were identified. Some of these genes were annotated as classical disease resistance protein/enzymes, including NB-ARC domain proteins, Leucine-rich repeat protein kinase family proteins, zinc finger family proteins, P-loopcontaining nucleoside triphosphate hydrolase superfamily, etc. Genomic prediction (GP) accuracy for Fop race resistances ranged from 0.26 to 0.55. This study advanced common bean genetic enhancement through marker-assisted selection (MAS) and genomic selection (GS) strategies, paving the way for improved Fop resistance.
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Affiliation(s)
- Kenani Chiwina
- Department of Horticulture, University of Arkansas, Fayetteville, AR 72701, USA; (K.C.); (G.B.); (R.W.D.); (T.M.P.); (Y.C.); (I.A.); (D.D.)
| | - Haizheng Xiong
- Department of Horticulture, University of Arkansas, Fayetteville, AR 72701, USA; (K.C.); (G.B.); (R.W.D.); (T.M.P.); (Y.C.); (I.A.); (D.D.)
| | - Gehendra Bhattarai
- Department of Horticulture, University of Arkansas, Fayetteville, AR 72701, USA; (K.C.); (G.B.); (R.W.D.); (T.M.P.); (Y.C.); (I.A.); (D.D.)
| | - Ryan William Dickson
- Department of Horticulture, University of Arkansas, Fayetteville, AR 72701, USA; (K.C.); (G.B.); (R.W.D.); (T.M.P.); (Y.C.); (I.A.); (D.D.)
| | - Theresa Makawa Phiri
- Department of Horticulture, University of Arkansas, Fayetteville, AR 72701, USA; (K.C.); (G.B.); (R.W.D.); (T.M.P.); (Y.C.); (I.A.); (D.D.)
| | - Yilin Chen
- Department of Horticulture, University of Arkansas, Fayetteville, AR 72701, USA; (K.C.); (G.B.); (R.W.D.); (T.M.P.); (Y.C.); (I.A.); (D.D.)
| | - Ibtisam Alatawi
- Department of Horticulture, University of Arkansas, Fayetteville, AR 72701, USA; (K.C.); (G.B.); (R.W.D.); (T.M.P.); (Y.C.); (I.A.); (D.D.)
| | - Derek Dean
- Department of Horticulture, University of Arkansas, Fayetteville, AR 72701, USA; (K.C.); (G.B.); (R.W.D.); (T.M.P.); (Y.C.); (I.A.); (D.D.)
| | - Neelendra K. Joshi
- Department of Entomology and Plant Pathology, University of Arkansas, Fayetteville, AR 72701, USA;
| | - Yuyan Chen
- Department of Biological Sciences, University of Arkansas, Fayetteville, AR 72701, USA;
| | - Awais Riaz
- Department of Crop, Soil and Environmental Sciences, University of Arkansas, Fayetteville, AR 72701, USA;
| | - Paul Gepts
- Department of Plant Sciences, University of California, 1 Shields Avenue, Davis, CA 95616, USA;
| | - Mark Brick
- Department of Soil and Crop Sciences, Colorado State University, Fort Collins, CO 80523, USA; (M.B.); (P.F.B.); (J.B.O.); (A.F.); (J.G.)
| | - Patrick F. Byrne
- Department of Soil and Crop Sciences, Colorado State University, Fort Collins, CO 80523, USA; (M.B.); (P.F.B.); (J.B.O.); (A.F.); (J.G.)
| | - Howard Schwartz
- Department of Agricultural Biology, Colorado State University, Fort Collins, CO 80523, USA; (H.S.); (K.O.)
| | - James B. Ogg
- Department of Soil and Crop Sciences, Colorado State University, Fort Collins, CO 80523, USA; (M.B.); (P.F.B.); (J.B.O.); (A.F.); (J.G.)
| | - Kristin Otto
- Department of Agricultural Biology, Colorado State University, Fort Collins, CO 80523, USA; (H.S.); (K.O.)
| | - Amy Fall
- Department of Soil and Crop Sciences, Colorado State University, Fort Collins, CO 80523, USA; (M.B.); (P.F.B.); (J.B.O.); (A.F.); (J.G.)
| | - Jeremy Gilbert
- Department of Soil and Crop Sciences, Colorado State University, Fort Collins, CO 80523, USA; (M.B.); (P.F.B.); (J.B.O.); (A.F.); (J.G.)
| | - Ainong Shi
- Department of Horticulture, University of Arkansas, Fayetteville, AR 72701, USA; (K.C.); (G.B.); (R.W.D.); (T.M.P.); (Y.C.); (I.A.); (D.D.)
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Luo Z, Chen Z, Liu M, Yang L, Zhao Z, Yang D, Ding P. Phenotypic, chemical component and molecular assessment of genetic diversity and population structure of Morinda officinalis germplasm. BMC Genomics 2022; 23:605. [PMID: 35986256 PMCID: PMC9392303 DOI: 10.1186/s12864-022-08817-w] [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: 03/09/2022] [Accepted: 08/02/2022] [Indexed: 11/30/2022] Open
Abstract
Background Morinda officinalis How (MO) is a perennial herb distributed in tropical and subtropical regions, which known as one of the “Four Southern Herbal Medicines”. The extent of genetic variability and the population structure of MO are presently little understood. Here, nine morphological traits, six chemical components and Single nucleotide polymorphism (SNP) markers were used in integrative research of MO germplasm variation among 88 individuals collected from ten populations across four geographical provinces of China. Results Both phenotype and chemical composition have significant genetic variation, and there is a certain correlation between them such as root diameter and the nystose content, as well as geographical distribution. The principal component analysis (PCA) showed the leaf length, leaf width, nystose, 1F-furanosaccharide nystose, and the section color were the major contributors to diversity. The cluster analysis based on phenotypic and oligosaccharide data distinguished three significant groups, which was consistent with the result of a corresponding analysis with 228,615 SNP markers, and importantly, they all showed a significant correlation with geographical origin. However, there was little similarity between two cluster results. The Shannon’s information index (I) varied from 0.17 to 0.53 with a mean of 0.37, suggesting a high level of genetic diversity in MO populations, which mainly existed among individuals within populations, accounting for 99.66% of the total according to the analysis of molecular variance (AMOVA) results. Each population also maintains the connection because of certain gene communication, so that the genetic differentiation between populations was not very significant. The STRUCTURE software was used to analyse the population structure and the result showed that 88 accessions were clustered into three groups, and 67% of them were pure type, which was also confirmed through PCA. Conclusions The comprehensive study of phenotypic, chemical and molecular markers will provide valuable information for future breeding plans and understanding the phylogenetic relationship of MO population. Supplementary Information The online version contains supplementary material available at 10.1186/s12864-022-08817-w.
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Advances in lentil production through heterosis: Evaluating generations and breeding systems. PLoS One 2022; 17:e0262857. [PMID: 35180225 PMCID: PMC8856536 DOI: 10.1371/journal.pone.0262857] [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: 06/29/2021] [Accepted: 01/06/2022] [Indexed: 11/19/2022] Open
Abstract
Heterosis is defined as increased performance of the F1 hybrid relative to its parents. In the current study, a cohort of populations and parents were created to evaluate and understand heterosis across generations (i.e., F1 to F3) in lentil, a self-pollinated annual diploid (2n = 2× = 14) crop species. Lentil plants were evaluated for heterotic traits in terms of plant height, biomass fresh weight, seed number, yield per plant and 100 grain weight. A total of 47 selected lentil genotypes were cross hybridized to generate 72 F1 hybrids. The F1 hybrids from the top five crosses exhibited between 31%–62% heterosis for seed number with reference to the better parent. The five best performing heterotic crosses were selected with a negative control for evaluation at the subsequent F2 generation and only the tails of the distribution taken forward to be assessed in the F3 generation as a sub selection. Overall, heterosis decreases across the subsequent generations for all traits studied. However, some individual genotypes were identified at the F2 and sub-selected F3 generations with higher levels of heterosis than the best F1 mean value (hybrid mimics). The phenotypic data for the selected F2 and sub selected F3 hybrids were analysed, and the study suggested that 100 grain weight was the biggest driver of yield followed by seed number. A genetic diversity analysis of all the F1 parents failed to correlate genetic distance and divergence among parents with heterotic F1’s. Therefore, genetic distance was not a key factor to determine heterosis in lentil. The study highlights the challenges associated with different breeding systems for heterosis (i.e., F1 hybrid-based breeding systems and/or via hybrid mimics) but demonstrates the potential significant gains that could be achieved in lentil productivity.
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Tiwari M, Singh B, Min D, Jagadish SVK. Omics Path to Increasing Productivity in Less-Studied Crops Under Changing Climate-Lentil a Case Study. FRONTIERS IN PLANT SCIENCE 2022; 13:813985. [PMID: 35615121 PMCID: PMC9125188 DOI: 10.3389/fpls.2022.813985] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Accepted: 04/04/2022] [Indexed: 05/08/2023]
Abstract
Conventional breeding techniques for crop improvement have reached their full potential, and hence, alternative routes are required to ensure a sustained genetic gain in lentils. Although high-throughput omics technologies have been effectively employed in major crops, less-studied crops such as lentils have primarily relied on conventional breeding. Application of genomics and transcriptomics in lentils has resulted in linkage maps and identification of QTLs and candidate genes related to agronomically relevant traits and biotic and abiotic stress tolerance. Next-generation sequencing (NGS) complemented with high-throughput phenotyping (HTP) technologies is shown to provide new opportunities to identify genomic regions and marker-trait associations to increase lentil breeding efficiency. Recent introduction of image-based phenotyping has facilitated to discern lentil responses undergoing biotic and abiotic stresses. In lentil, proteomics has been performed using conventional methods such as 2-D gel electrophoresis, leading to the identification of seed-specific proteome. Metabolomic studies have led to identifying key metabolites that help differentiate genotypic responses to drought and salinity stresses. Independent analysis of differentially expressed genes from publicly available transcriptomic studies in lentils identified 329 common transcripts between heat and biotic stresses. Similarly, 19 metabolites were common across legumes, while 31 were common in genotypes exposed to drought and salinity stress. These common but differentially expressed genes/proteins/metabolites provide the starting point for developing high-yielding multi-stress-tolerant lentils. Finally, the review summarizes the current findings from omic studies in lentils and provides directions for integrating these findings into a systems approach to increase lentil productivity and enhance resilience to biotic and abiotic stresses under changing climate.
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Affiliation(s)
- Manish Tiwari
- Department of Agronomy, Kansas State University, Manhattan, KS, United States
- *Correspondence: Manish Tiwari,
| | - Baljinder Singh
- National Institute of Plant Genome Research, New Delhi, India
| | - Doohong Min
- Department of Agronomy, Kansas State University, Manhattan, KS, United States
| | - S. V. Krishna Jagadish
- Department of Agronomy, Kansas State University, Manhattan, KS, United States
- S. V. Krishna Jagadish,
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Haile TA, Stonehouse R, Weller JL, Bett KE. Genetic basis for lentil adaptation to summer cropping in northern temperate environments. THE PLANT GENOME 2021; 14:e20144. [PMID: 34643336 DOI: 10.1002/tpg2.20144] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/11/2021] [Accepted: 07/01/2021] [Indexed: 06/13/2023]
Abstract
The continued success of lentil (Lens culinaris Medik.) genetic improvement relies on the availability of broad genetic diversity, and new alleles need to be identified and incorporated into the cultivated gene pool. Availability of robust and predictive markers greatly enhances the precise transfer of genomic regions from unadapted germplasm. Quantitative trait loci (QTL) for key phenological traits in lentil were located using a recombinant inbreed line (RIL) population derived from a cross between an Ethiopian landrace (ILL 1704) and a northern temperate cultivar (CDC Robin). Field experiments were conducted at Sutherland research farm in Saskatoon and at Rosthern, Saskatchewan, Canada during 2018 and 2019. A linkage map was constructed using 21,634 single nucleotide polymorphisms (SNPs) located on seven linkage groups (LGs), which correspond to the seven haploid chromosomes of lentil. Eight QTL were identified for six phenological traits. Flowering-related QTL were identified at two regions on LG6. FLOWERING LOCUS T (FT) genes were annotated within the flowering time QTL interval based on the lentil reference genome. Similarly, a major QTL for postflowering developmental processes was located on LG5 with several senescence-associated genes annotated within the QTL interval. The flowering time QTL was validated in a different genetic background indicating the potential use of the identified markers for marker-assisted selection to precisely transfer genomic regions from exotic germplasm into elite crop cultivars without disrupting adaptation.
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Affiliation(s)
- Teketel A Haile
- Dep. of Plant Sciences, Univ. of Saskatchewan, Saskatoon, SK, Canada
| | - Robert Stonehouse
- Dep. of Plant Sciences, Univ. of Saskatchewan, Saskatoon, SK, Canada
| | - James L Weller
- School of Natural Sciences, Univ. of Tasmania, Hobart, TAS, Australia
| | - Kirstin E Bett
- Dep. of Plant Sciences, Univ. of Saskatchewan, Saskatoon, SK, Canada
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Zhao H, Li Y, Petkowski J, Kant S, Hayden MJ, Daetwyler HD. Genomic prediction and genomic heritability of grain yield and its related traits in a safflower genebank collection. THE PLANT GENOME 2021; 14:e20064. [PMID: 33140563 DOI: 10.1002/tpg2.20064] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Revised: 09/11/2020] [Accepted: 09/13/2020] [Indexed: 05/28/2023]
Abstract
Safflower, a minor oilseed crop, is gaining increased attention for food and industrial uses. Safflower genebank collections are an important genetic resource for crop enhancement and future breeding programs. In this study, we investigated the population structure of a safflower collection sourced from the Australian Grain Genebank and assessed the potential of genomic prediction (GP) to evaluate grain yield and related traits using single and multi-site models. Prediction accuracies (PA) of genomic best linear unbiased prediction (GBLUP) from single site models ranged from 0.21 to 0.86 for all traits examined and were consistent with estimated genomic heritability (h2 ), which varied from low to moderate across traits. We generally observed a low level of genome × environment interactions (g × E). Multi-site g × E GBLUP models only improved PA for accessions with at least some phenotypes in the training set. We observed that relaxing quality filtering parameters for genotype-by-sequencing (GBS), such as missing genotype call rate, did not affect PA but upwardly biased h2 estimation. Our results indicate that GP is feasible in safflower evaluation and is potentially a cost-effective tool to facilitate fast introgression of desired safflower trait variation from genebank germplasm into breeding lines.
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Affiliation(s)
- Huanhuan Zhao
- School of Applied Systems Biology, La Trobe University, Bundoora, VIC, 3083, Australia
- Agriculture Victoria, Grains Innovation Park, Horsham, VIC, 3400, Australia
- Agriculture Victoria, AgriBio, Centre for AgriBioscience, Bundoora, VIC, 3083, Australia
| | - Yongjun Li
- Agriculture Victoria, AgriBio, Centre for AgriBioscience, Bundoora, VIC, 3083, Australia
| | - Joanna Petkowski
- Agriculture Victoria, AgriBio, Centre for AgriBioscience, Bundoora, VIC, 3083, Australia
| | - Surya Kant
- Agriculture Victoria, Grains Innovation Park, Horsham, VIC, 3400, Australia
- Centre for Agricultural Innovation, The University of Melbourne, Melbourne, VIC, Australia
| | - Matthew J Hayden
- School of Applied Systems Biology, La Trobe University, Bundoora, VIC, 3083, Australia
- Agriculture Victoria, AgriBio, Centre for AgriBioscience, Bundoora, VIC, 3083, Australia
| | - Hans D Daetwyler
- School of Applied Systems Biology, La Trobe University, Bundoora, VIC, 3083, Australia
- Agriculture Victoria, AgriBio, Centre for AgriBioscience, Bundoora, VIC, 3083, Australia
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Liber M, Duarte I, Maia AT, Oliveira HR. The History of Lentil ( Lens culinaris subsp. culinaris) Domestication and Spread as Revealed by Genotyping-by-Sequencing of Wild and Landrace Accessions. FRONTIERS IN PLANT SCIENCE 2021; 12:628439. [PMID: 33841458 PMCID: PMC8030269 DOI: 10.3389/fpls.2021.628439] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Accepted: 02/15/2021] [Indexed: 05/06/2023]
Abstract
Protein-rich legumes accompanied carbohydrate-rich cereals since the beginning of agriculture and yet their domestication history is not as well understood. Lentil (Lens culinaris Medik. subsp. culinaris) was first cultivated in Southwest Asia (SWA) 8000-10,000 years ago but archeological evidence is unclear as to how many times it may have been independently domesticated, in which SWA region(s) this may have happened, and whether wild species within the Lens genus have contributed to the cultivated gene pool. In this study, we combined genotyping-by-sequencing (GBS) of 190 accessions from wild (67) and domesticated (123) lentils from the Old World with archeological information to explore the evolutionary history, domestication, and diffusion of lentils to different environments. GBS led to the discovery of 87,647 single-nucleotide polymorphisms (SNPs), which allowed us to infer the phylogeny of genus Lens. We confirmed previous studies proposing four groups within it. The only gene flow detected was between cultivated varieties and their progenitor (L. culinaris subsp. orientalis) albeit at very low levels. Nevertheless, a few putative hybrids or naturalized cultivars were identified. Within cultivated lentil, we found three geographic groups. Phylogenetics, population structure, and archeological data coincide in a scenario of protracted domestication of lentils, with two domesticated gene pools emerging in SWA. Admixed varieties are found throughout their range, suggesting a relaxed selection process. A small number of alleles involved in domestication and adaptation to climatic variables were identified. Both novel mutation and selection on standing variation are presumed to have played a role in adaptation of lentils to different environments. The results presented have implications for understanding the process of plant domestication (past), the distribution of genetic diversity in germplasm collections (present), and targeting genes in breeding programs (future).
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Affiliation(s)
- Marta Liber
- Interdisciplinary Center for Archaeology and Evolution of Human Behavior (ICArEHB), Universidade do Algarve, Faro, Portugal
- Department of Biomedical Sciences and Medicine (DCBM), Universidade do Algarve, Faro, Portugal
- Centre for Biomedical Research (CBMR), Universidade do Algarve, Faro, Portugal
| | - Isabel Duarte
- Centre for Biomedical Research (CBMR), Universidade do Algarve, Faro, Portugal
- Algarve Biomedical Center (ABC), Universidade do Algarve, Faro, Portugal
| | - Ana Teresa Maia
- Department of Biomedical Sciences and Medicine (DCBM), Universidade do Algarve, Faro, Portugal
- Centre for Biomedical Research (CBMR), Universidade do Algarve, Faro, Portugal
- Algarve Biomedical Center (ABC), Universidade do Algarve, Faro, Portugal
| | - Hugo R. Oliveira
- Interdisciplinary Center for Archaeology and Evolution of Human Behavior (ICArEHB), Universidade do Algarve, Faro, Portugal
- *Correspondence: Hugo R. Oliveira,
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Foschi M, D'Archivio AA, Rossi L. Geographical discrimination and authentication of lentils (Lens culinaris Medik.) by ICP-OES elemental analysis and chemometrics. Food Control 2020. [DOI: 10.1016/j.foodcont.2020.107438] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Kumar J, Sen Gupta D. Prospects of next generation sequencing in lentil breeding. Mol Biol Rep 2020; 47:9043-9053. [PMID: 33037962 DOI: 10.1007/s11033-020-05891-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2020] [Accepted: 10/03/2020] [Indexed: 11/28/2022]
Abstract
Lentil is an important food legume crop that has large and complex genome. During past years, considerable attention has been given on the use of next generation sequencing for enriching the genomic resources including identification of SSR and SNP markers, development of unigenes, transcripts, and identification of candidate genes for biotic and abiotic stresses, analysis of genetic diversity and identification of genes/ QTLs for agronomically important traits. However, in other crops including pulses, next generation sequencing has revolutionized the genomic research and helped in genomic assisted breeding rapidly and cost effectively. The present review discuss current status and future prospects of the use NGS based breeding in lentil.
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Affiliation(s)
- Jitendra Kumar
- Division of Crop Improvement, ICAR-Indian Institute of Pulses Research, Kalyanpur, Kanpur, 208024, India.
| | - Debjyoti Sen Gupta
- Division of Crop Improvement, ICAR-Indian Institute of Pulses Research, Kalyanpur, Kanpur, 208024, India
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Zhang B, Jia L, He X, Chen C, Liu H, Liu K, Zhao N, Bao B. Large scale SNP unearthing and genetic architecture analysis in sea-captured and cultured populations of Cynoglossus semilaevis. Genomics 2020; 112:3238-3246. [PMID: 32531446 DOI: 10.1016/j.ygeno.2020.06.013] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2020] [Revised: 05/09/2020] [Accepted: 06/06/2020] [Indexed: 01/07/2023]
Abstract
Knowledge on population structure and genetic diversity is a focal point for association mapping studies and genomic selection. Genotyping by sequencing (GBS) represents an innovative method for large scale SNP detection and genotyping of genetic resources. Here we used the GBS approach for the genome-wide identification of SNPs in a collection of Cynoglossus semilaevis and for the assessment of the level of genetic diversity in C. semilaevis genotypes. GBS analysis generated a total of 55.12 Gb high-quality sequence data, with an average of 0.63 Gb per sample. The total number of SNP markers was 563, 109. In order to explore the genetic diversity of C. semilaevis and to select a minimal core set representing most of the total genetic variation with minimum redundancy, C. semilaevis sequences were analyzed using high quality SNPs. Based on hierarchical clustering, it was possible to divide the collection into 2 clusters. The marine fishing populations were clustered and clearly separated from the cultured populations, and the cultured populations from Hebei was also distinct from the other two local populations. These analyses showed that genotypes were clustered based on species-related features. Differential significant SNPs were also captured and validated by GBS and SNaPshot, with linkage disequilibrium and haplotype analysis, seven SNPs have been confirmed to have obvious differentiation in two populations, which may be used as the characteristic evaluation sites of sea-captured and cultured Cynoglossus semilaevis populations. And SNP markers and information on population structure developed in this study will undoubtedly support genome-wide association mapping studies and marker-assisted selection programs. These differential SNPs could be also employed as the characteristic evaluation sites of sea-captured and cultured Cynoglossus semilaevis populations in future.
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Affiliation(s)
- Bo Zhang
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources (Shanghai Ocean University), Ministry of Education, Shanghai 201306, China;International Research Center for Marine Biosciences at Shanghai Ocean University, Ministry of Science and Technology, Shanghai 201306, China; National Demonstration Center for Experimental Fisheries Science Education, Shanghai Ocean University, Shanghai 201306, China; Tianjin Sea Fisheries Research Institute, Tianjin, China
| | - Lei Jia
- Tianjin Sea Fisheries Research Institute, Tianjin, China
| | - Xiaoxu He
- Tianjin Sea Fisheries Research Institute, Tianjin, China
| | - Chunxiu Chen
- Tianjin Sea Fisheries Research Institute, Tianjin, China
| | - Hao Liu
- Tianjin Sea Fisheries Research Institute, Tianjin, China
| | - Kefeng Liu
- Tianjin Sea Fisheries Research Institute, Tianjin, China
| | - Na Zhao
- Tianjin Haolinsaiao Biotechnology Co, Ltd, Tianjin, China.
| | - Baolong Bao
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources (Shanghai Ocean University), Ministry of Education, Shanghai 201306, China;International Research Center for Marine Biosciences at Shanghai Ocean University, Ministry of Science and Technology, Shanghai 201306, China; National Demonstration Center for Experimental Fisheries Science Education, Shanghai Ocean University, Shanghai 201306, China.
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Dissanayake R, Braich S, Cogan NOI, Smith K, Kaur S. Characterization of Genetic and Allelic Diversity Amongst Cultivated and Wild Lentil Accessions for Germplasm Enhancement. Front Genet 2020; 11:546. [PMID: 32587602 PMCID: PMC7298104 DOI: 10.3389/fgene.2020.00546] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Accepted: 05/06/2020] [Indexed: 12/13/2022] Open
Abstract
Intensive breeding of cultivated lentil has resulted in a relatively narrow genetic base, which limits the options to increase crop productivity through selection. Assessment of genetic diversity in the wild gene pool of lentil, as well as characterization of useful and novel alleles/genes that can be introgressed into elite germplasm, presents new opportunities and pathways for germplasm enhancement, followed by successful crop improvement. In the current study, a lentil collection consisting of 467 wild and cultivated accessions that originated from 10 diverse geographical regions was assessed, to understand genetic relationships among different lentil species/subspecies. A total of 422,101 high-confidence SNP markers were identified against the reference lentil genome (cv. CDC Redberry). Phylogenetic analysis clustered the germplasm collection into four groups, namely, Lens culinaris/Lens orientalis, Lens lamottei/Lens odemensis, Lens ervoides, and Lens nigricans. A weak correlation was observed between geographical origin and genetic relationship, except for some accessions of L. culinaris and L. ervoides. Genetic distance matrices revealed a comparable level of variation within the gene pools of L. culinaris (Nei’s coefficient 0.01468–0.71163), L. ervoides (Nei’s coefficient 0.01807–0.71877), and L. nigricans (Nei’s coefficient 0.02188–1.2219). In order to understand any genic differences at species/subspecies level, allele frequencies were calculated from a subset of 263 lentil accessions. Among all cultivated and wild lentil species, L. nigricans exhibited the greatest allelic differentiation across the genome compared to all other species/subspecies. Major differences were observed on six genomic regions with the largest being on Chromosome 1 (c. 1 Mbp). These results indicate that L. nigricans is the most distantly related to L. culinaris and additional structural variations are likely to be identified from genome sequencing studies. This would provide further insights into evolutionary relationships between cultivated and wild lentil germplasm, for germplasm improvement and introgression.
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Affiliation(s)
- Ruwani Dissanayake
- Agriculture Victoria, AgriBio, Centre for AgriBioscience, Bundoora, VIC, Australia.,Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Parkville, VIC, Australia
| | - Shivraj Braich
- Agriculture Victoria, AgriBio, Centre for AgriBioscience, Bundoora, VIC, Australia.,School of Applied Systems Biology, La Trobe University, Melbourne, VIC, Australia
| | - Noel O I Cogan
- Agriculture Victoria, AgriBio, Centre for AgriBioscience, Bundoora, VIC, Australia.,School of Applied Systems Biology, La Trobe University, Melbourne, VIC, Australia
| | - Kevin Smith
- Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Parkville, VIC, Australia.,Agriculture Victoria, Hamilton, VIC, Australia
| | - Sukhjiwan Kaur
- Agriculture Victoria, AgriBio, Centre for AgriBioscience, Bundoora, VIC, Australia
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12
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Elbasyoni IS, El-Orabey WM, Morsy S, Baenziger PS, Al Ajlouni Z, Dowikat I. Evaluation of a global spring wheat panel for stripe rust: Resistance loci validation and novel resources identification. PLoS One 2019; 14:e0222755. [PMID: 31721783 PMCID: PMC6853611 DOI: 10.1371/journal.pone.0222755] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Accepted: 09/07/2019] [Indexed: 12/27/2022] Open
Abstract
Stripe rust (incited by Puccinia striiformis f. sp. tritici) is airborne wheat (Triticum aestivum L.) disease with dynamic virulence evolution. Thus, anticipatory and continued screening in hotspot regions is crucial to identify new pathotypes and integrate new resistance resources to prevent potential disease epidemics. A global wheat panel consisting of 882 landraces and 912 improved accessions was evaluated in two locations in Egypt during 2016 and 2017. Five prevalent and aggressive pathotypes of stripe rust were used to inoculate the accessions during the two growing seasons and two locations under field conditions. The objectives were to evaluate the panel for stripe rust resistance at the adult plant stage, identify potentially novel QTLs associated with stripe rust resistance, and validate previously reported stripe rust QTLs under the Egyptian conditions. The results indicated that 42 landraces and 140 improved accessions were resistant to stripe rust. Moreover, 24 SNPs were associated with stripe rust resistance and were within 18 wheat functional genes. Four of these genes were involved in several plant defense mechanisms. The number of favorable alleles, based upon the associated SNPs, was significant and negatively correlated with stripe rust resistance score, i.e., as the number of resistances alleles increased the observed resistance increased. In conclusion, generating new stripe rust phenotypic information on this panel while using the publicly available molecular marker data, contributed to identifying potentially novel QTLs associated with stripe rust and validated 17 of the previously reported QTLs in one of the global hotspots for stripe rust.
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Affiliation(s)
- Ibrahim S. Elbasyoni
- Crop Science Department, Damanhur University, Damanhur, Egypt
- Department of Agronomy and Horticulture, University of Nebraska, Lincoln, NE, United States of America
| | - Walid M. El-Orabey
- Wheat Diseases Res. Department, Plant Pathology Res. Institute, ARC, Giza, Egypt
| | - Sabah Morsy
- Crop Science Department, Damanhur University, Damanhur, Egypt
| | - P. S. Baenziger
- Department of Agronomy and Horticulture, University of Nebraska, Lincoln, NE, United States of America
| | - Zakaria Al Ajlouni
- Jordan University of Science and Technology, Department of Plant Pathology, Irbid, Jordan
| | - Ismail Dowikat
- Department of Agronomy and Horticulture, University of Nebraska, Lincoln, NE, United States of America
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13
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Pavan S, Bardaro N, Fanelli V, Marcotrigiano AR, Mangini G, Taranto F, Catalano D, Montemurro C, De Giovanni C, Lotti C, Ricciardi L. Genotyping by Sequencing of Cultivated Lentil ( Lens culinaris Medik.) Highlights Population Structure in the Mediterranean Gene Pool Associated With Geographic Patterns and Phenotypic Variables. Front Genet 2019; 10:872. [PMID: 31620173 PMCID: PMC6759463 DOI: 10.3389/fgene.2019.00872] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2019] [Accepted: 08/20/2019] [Indexed: 11/13/2022] Open
Abstract
Cultivated lentil (Lens culinaris Medik.) is one of the oldest domesticated crops and one of the most important grain legumes worldwide. The Mediterranean Basin holds large part of lentil biodiversity; however, no genetic structure was defined within the Mediterranean gene pool. In this study, we used high-throughput genotyping by sequencing to resolve the genetic structure of the Mediterranean ex situ lentil collection held at the Italian National Research Council. Sequencing of a 188-plex genotyping-by-sequencing library and bioinformatics treatment of data yielded 6,693 single nucleotide polymorphisms. Analysis of nonredundant genotypes with nonparametric and parametric methods highlighted the occurrence of five highly differentiated genetic clusters. Clustering could be related to geographic patterns and phenotypic traits, indicating that post-domestication routes introducing cultivation in Mediterranean countries and selection were major forces shaping lentil population structure. The estimation of the fixation index FST at individual single nucleotide polymorphism loci allowed the identification of distinctive alleles across clusters, suggesting the possibility to set up molecular keys for the assignment of lentil germplasm to specific genetic groups. Finally, significant associations between markers and phenotypic data were identified. Overall, the results of this study are of major importance for lentil conservation genetics and breeding and provide insights on the lentil evolutionary history.
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Affiliation(s)
- Stefano Pavan
- Department of Soil, Plant and Food Science, Section of Genetics and Plant Breeding, University of Bari Aldo Moro, Bari, Italy.,Institute of Biomedical Technologies, National Research Council (CNR), Bari, Italy
| | - Nicoletta Bardaro
- Department of Soil, Plant and Food Science, Section of Genetics and Plant Breeding, University of Bari Aldo Moro, Bari, Italy
| | - Valentina Fanelli
- Department of Soil, Plant and Food Science, Section of Genetics and Plant Breeding, University of Bari Aldo Moro, Bari, Italy
| | - Angelo Raffaele Marcotrigiano
- Department of Soil, Plant and Food Science, Section of Genetics and Plant Breeding, University of Bari Aldo Moro, Bari, Italy
| | - Giacomo Mangini
- Department of Soil, Plant and Food Science, Section of Genetics and Plant Breeding, University of Bari Aldo Moro, Bari, Italy
| | - Francesca Taranto
- Department of Soil, Plant and Food Science, Section of Genetics and Plant Breeding, University of Bari Aldo Moro, Bari, Italy.,CREA Research Centre for Cereal and Industrial Crops (CREA-CI), Foggia, Italy
| | - Domenico Catalano
- Institute of Biomedical Technologies, National Research Council (CNR), Bari, Italy
| | - Cinzia Montemurro
- Department of Soil, Plant and Food Science, Section of Genetics and Plant Breeding, University of Bari Aldo Moro, Bari, Italy
| | - Claudio De Giovanni
- Department of Soil, Plant and Food Science, Section of Genetics and Plant Breeding, University of Bari Aldo Moro, Bari, Italy
| | - Concetta Lotti
- Department of Agricultural, Food and Environmental Sciences, University of Foggia, Foggia, Italy
| | - Luigi Ricciardi
- Department of Soil, Plant and Food Science, Section of Genetics and Plant Breeding, University of Bari Aldo Moro, Bari, Italy
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14
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Mbasani-Mansi J, Ennami M, Briache FZ, Gaboun F, Benbrahim N, Triqui ZEA, Mentag R. Characterization of genetic diversity and population structure of Moroccan lentil cultivars and landraces using molecular markers. PHYSIOLOGY AND MOLECULAR BIOLOGY OF PLANTS : AN INTERNATIONAL JOURNAL OF FUNCTIONAL PLANT BIOLOGY 2019; 25:965-974. [PMID: 31402820 PMCID: PMC6656841 DOI: 10.1007/s12298-019-00673-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2019] [Revised: 04/23/2019] [Accepted: 05/01/2019] [Indexed: 06/10/2023]
Abstract
Knowledge of genetic diversity and population structure is a crucial step for an efficient use of available material in a plant breeding program and for germplasm conservation strategies. Current study undertakes an assessment of the genetic variations and population structure of Moroccan lentil including nine landraces and eight released varieties using sequence-related amplified polymorphism (SRAP) and random amplified polymorphism DNA (RAPD) markers. Results revealed that the two markers used have a good efficiency to assess genetic diversity in lentil. A total of 115 and 90 bands were respectively scored for SRAP and RAPD, of which 98.3% and 93.3% were polymorphic. The polymorphic information content values were 0.350 with SRAP and 0.326 with RAPD. Analysis of molecular variance based on the combined data sets of both markers revealed lower variations within (35%) than among (65%) landraces (PhiPT = 0.652), implying significant genetic differentiation between landraces. Principal coordinate analysis and the ascendant hierarchical classification clustered samples into groups that were consistent with the geographical origin of the cultivars. Population structure corroborated the main groups and confirmed the high differentiation among them. Moroccan lentil germplasm showed a wide genetic diversity that might be conserved and assessed for tolerance to biotic and abiotic stresses.
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Affiliation(s)
- Joseph Mbasani-Mansi
- Biotechnology Research Unit, National Institute of Agricultural Research, Rabat, Morocco
- Department of Biology, Faculty of Sciences, Plant and Microbial Biotechnology, Biodiversity and Environment Research Center, Mohammed V University, Rabat, Morocco
| | - Mounia Ennami
- Biotechnology Research Unit, National Institute of Agricultural Research, Rabat, Morocco
| | - Fatima Zahra Briache
- Biotechnology Research Unit, National Institute of Agricultural Research, Rabat, Morocco
- Department of Biology, Faculty of Sciences, Plant and Microbial Biotechnology, Biodiversity and Environment Research Center, Mohammed V University, Rabat, Morocco
| | - Fatima Gaboun
- Biotechnology Research Unit, National Institute of Agricultural Research, Rabat, Morocco
| | - Nadia Benbrahim
- Plant Breeding, Conservation and Valorization of Phyto-Genetic Resources Research Unit, National Institute of Agricultural Research, Rabat, Morocco
| | - Zine El Abidine Triqui
- Department of Biology, Faculty of Sciences, Plant and Microbial Biotechnology, Biodiversity and Environment Research Center, Mohammed V University, Rabat, Morocco
| | - Rachid Mentag
- Biotechnology Research Unit, National Institute of Agricultural Research, Rabat, Morocco
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15
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Fatokun C, Girma G, Abberton M, Gedil M, Unachukwu N, Oyatomi O, Yusuf M, Rabbi I, Boukar O. Genetic diversity and population structure of a mini-core subset from the world cowpea (Vigna unguiculata (L.) Walp.) germplasm collection. Sci Rep 2018; 8:16035. [PMID: 30375510 PMCID: PMC6207765 DOI: 10.1038/s41598-018-34555-9] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2018] [Accepted: 10/12/2018] [Indexed: 11/08/2022] Open
Abstract
The International Institute of Tropical Agriculture maintains the world's largest collection of cowpea germplasm of over 15,000 accessions. A sub-set of 298 lines from the loosely composed mini core collection of 370 landraces were genotyped based on genotyping by sequencing (GBS). Ward's minimum variance hierarchical cluster analysis, model-based ancestry analysis and discriminant analysis of principal component (DAPC) were carried out on this sub-set. Three clusters were identified by the different clustering methods. Principal component analysis further supported the three clusters especially when accessions are scattered along the axes of the first two principal components. The first two principal components explained a total of 22.30% of the variation. Cluster one comprises 115 accessions from the largest number of countries and has the highest gene diversity, heterozygosity and polymorphic information content (PIC) values. Cluster two is made up of 102 accessions, 90 percent of which are from West and Central Africa. Analysis of molecular variance shows that the most variation is among accessions and lowest among clusters. No cluster is made exclusively of accessions from a single country. Based on SNP markers, the sub set of cowpea mini core germplasm collection used in this study encompasses the diversity in the crop.
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Affiliation(s)
- Christian Fatokun
- International Institute of Tropical Agriculture (IITA), Ibadan, Nigeria.
| | - Gezahegn Girma
- Botany and Plant Pathology Department, Purdue University, West Lafayette, IN, 47907-2054, USA
| | - Michael Abberton
- International Institute of Tropical Agriculture (IITA), Ibadan, Nigeria
| | - Melaku Gedil
- International Institute of Tropical Agriculture (IITA), Ibadan, Nigeria
| | - Nnanna Unachukwu
- International Institute of Tropical Agriculture (IITA), Ibadan, Nigeria
| | - Olaniyi Oyatomi
- International Institute of Tropical Agriculture (IITA), Ibadan, Nigeria
| | - Muyideen Yusuf
- International Institute of Tropical Agriculture (IITA), Ibadan, Nigeria
| | - Ismail Rabbi
- International Institute of Tropical Agriculture (IITA), Ibadan, Nigeria
| | - Ousmane Boukar
- International Institute of Tropical Agriculture (IITA), Kano, Nigeria
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16
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Nadeem MA, Habyarimana E, Çiftçi V, Nawaz MA, Karaköy T, Comertpay G, Shahid MQ, Hatipoğlu R, Yeken MZ, Ali F, Ercişli S, Chung G, Baloch FS. Characterization of genetic diversity in Turkish common bean gene pool using phenotypic and whole-genome DArTseq-generated silicoDArT marker information. PLoS One 2018; 13:e0205363. [PMID: 30308006 PMCID: PMC6181364 DOI: 10.1371/journal.pone.0205363] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2018] [Accepted: 09/20/2018] [Indexed: 12/31/2022] Open
Abstract
Turkey presents a great diversity of common bean landraces in farmers' fields. We collected 183 common bean accessions from 19 different Turkish geographic regions and 5 scarlet runner bean accessions to investigate their genetic diversity and population structure using phenotypic information (growth habit, and seed weight, flower color, bracteole shape and size, pod shape and leaf shape and color), geographic provenance and 12,557 silicoDArT markers. A total of 24.14% markers were found novel. For the entire population (188 accessions), the expected heterozygosity was 0.078 and overall gene diversity, Fst and Fis were 0.14, 0.55 and 1, respectively. Using marker information, model-based structure, principal coordinate analysis (PCoA) and unweighted pair-group method with arithmetic means (UPGMA) algorithms clustered the 188 accessions into two main populations A (predominant) and B, and 5 unclassified genotypes, representing 3 meaningful heterotic groups for breeding purposes. Phenotypic information clearly distinguished these populations; population A and B, respectively, were bigger (>40g/100 seeds) and smaller (<40g/100 seeds) seed-sized. The unclassified population was pure and only contained climbing genotypes with 100 seed weight 2-3 times greater than populations A and B. Clustering was mainly based on A: seed weight, B: growth habit, C: geographical provinces and D: flower color. Mean kinship was generally low, but population B was more diverse than population A. Overall, a useful level of gene and genotypic diversity was observed in this work and can be used by the scientific community in breeding efforts to develop superior common bean strains.
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Affiliation(s)
- Muhammad Azhar Nadeem
- Department of field crops, Faculty of Agricultural and Natural Science, Abant Izzet Baysal University, Bolu, Turkey
| | - Ephrem Habyarimana
- Consiglio per la ricerca in agricoltura e l'analisi dell'economia agraria–Centro di ricerca cerealicoltura e colture industriali, Bologna, Italy
| | - Vahdettin Çiftçi
- Department of field crops, Faculty of Agricultural and Natural Science, Abant Izzet Baysal University, Bolu, Turkey
| | - Muhammad Amjad Nawaz
- Department of Biotechnology, Chonnam National University, Chonnam, Republic of Korea
| | - Tolga Karaköy
- Organic Agriculture Program, Vocational School of Sivas, University of Cumhuriyet, Sivas, Turkey
| | - Gonul Comertpay
- Eastern Mediterranean Agricultural Research Institute, Turkey
| | - Muhammad Qasim Shahid
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bio resources, South China Agricultural University, Guangzhou, China
| | - Rüştü Hatipoğlu
- Department of Field Crops, Faculty of Agricultural, University of Cukurova, Adana, Turkey
| | - Mehmet Zahit Yeken
- Department of field crops, Faculty of Agricultural and Natural Science, Abant Izzet Baysal University, Bolu, Turkey
| | - Fawad Ali
- Department of field crops, Faculty of Agricultural and Natural Science, Abant Izzet Baysal University, Bolu, Turkey
| | - Sezai Ercişli
- Department of Horticulture, Faculty of Agriculture, Ataturk University, Erzurum, Turkey
| | - Gyuhwa Chung
- Department of Biotechnology, Chonnam National University, Chonnam, Republic of Korea
| | - Faheem Shehzad Baloch
- Department of field crops, Faculty of Agricultural and Natural Science, Abant Izzet Baysal University, Bolu, Turkey
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17
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Farag MA, Khattab AR, Ehrlich A, Kropf M, Heiss AG, Wessjohann LA. Gas Chromatography/Mass Spectrometry-Based Metabolite Profiling of Nutrients and Antinutrients in Eight Lens and Lupinus Seeds (Fabaceae). JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2018; 66:4267-4280. [PMID: 29561614 DOI: 10.1021/acs.jafc.8b00369] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Lens culinaris and several Lupinus species are two legumes regarded as potential protein resources aside from their richness in phytochemicals. Consequently, characterization of their metabolite composition seems warranted to be considered as a sustainable commercial functional food. This study presents a discriminatory holistic approach for metabolite profiling in accessions of four lentil cultivars and four Lupinus species via gas chromatography/mass spectrometry. A total of 107 metabolites were identified, encompassing organic and amino acids, sugars, and sterols, along with antinutrients, viz., alkaloids and sugar phosphates. Among the examined specimens, four nutritionally valuable accessions ought to be prioritized for future breeding to include Lupinus hispanicus, enriched in organic ( ca. 11.7%) and amino acids ( ca. 5%), and Lupinus angustifolius, rich in sucrose ( ca. 40%), along with two dark-colored lentil cultivars 'verte du Puy' and 'Black Beluga' enriched in peptides. Antinutrient chemicals were observed in Lupinus polyphyllus, owing to its high alkaloid content. Several species-specific markers were also revealed using multivariate data analyses.
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Affiliation(s)
- Mohamed A Farag
- Pharmacognosy Department, College of Pharmacy , Cairo University , Kasr el Aini Street , Cairo 11562 , Egypt
- Chemistry Department, School of Sciences and Engineering , The American University in Cairo , New Cairo 11835 , Egypt
| | - Amira R Khattab
- Pharmacognosy Department, Division of Pharmaceutical Sciences, College of Pharmacy , Arab Academy for Science, Technology and Maritime Transport , Post Office Box 1029, Alexandria , Egypt
| | - Anja Ehrlich
- Department of Bioorganic Chemistry , Leibniz Institute of Plant Biochemistry , Weinberg 3 , D-06120 Halle , Germany
| | - Matthias Kropf
- Institute for Integrative Nature Conservation Research , University of Natural Resources and Life Sciences, Vienna (BOKU) , Gregor Mendel-Straße 33 , 1180 Vienna , Austria
| | - Andreas G Heiss
- Department for Bioarchaeology, Austrian Archaeological Institute (ÖAI) , Austrian Academy of Sciences (ÖAW) , 1190 Vienna , Austria
| | - Ludger A Wessjohann
- Department of Bioorganic Chemistry , Leibniz Institute of Plant Biochemistry , Weinberg 3 , D-06120 Halle , Germany
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18
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Ahn YK, Manivannan A, Karna S, Jun TH, Yang EY, Choi S, Kim JH, Kim DS, Lee ES. Whole Genome Resequencing of Capsicum baccatum and Capsicum annuum to Discover Single Nucleotide Polymorphism Related to Powdery Mildew Resistance. Sci Rep 2018; 8:5188. [PMID: 29581444 PMCID: PMC5980001 DOI: 10.1038/s41598-018-23279-5] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2017] [Accepted: 03/06/2018] [Indexed: 11/08/2022] Open
Abstract
The present study deals with genome wide identification of single-nucleotide polymorphism (SNP) markers related to powdery mildew (PM) resistance in two pepper varieties. Capsicum baccatum (PRH1- a PM resistant line) and Capsicum annuum (Saengryeg- a PM susceptible line), were resequenced to develop SNP markers. A total of 6,213,009 and 6,840,889 SNPs for PRH1 and Saengryeg respectively have been discovered. Among the SNPs, majority were classified as homozygous type SNPs, particularly in the resistant line. Moreover, the SNPs were differentially distributed among the chromosomes in both the resistant and susceptible lines. In total, 4,887,031 polymorphic SNP loci were identified between the two lines and 306,871 high-resolution melting (HRM) marker primer sets were designed. In order to understand the SNPs associated with the vital genes involved in diseases resistance and stress associated processes, chromosome-wise gene ontology analysis was performed. The results revealed the occurrence that SNPs related to diseases resistance genes were predominantly distributed in chromosome 4. In addition, 6281 SNPs associated with 46 resistance genes were identified. Among the lines, PRH1 consisted of maximum number of polymorphic SNPs related to NBS-LRR genes. The SNP markers were validated using HRM assay in 45 F4 populations and correlated with the phenotypic disease index.
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Affiliation(s)
- Yul-Kyun Ahn
- Department of Vegetable Crops, Korea National College of Agriculture and Fisheries, Jeonju, 54874, Republic of Korea.
| | - Abinaya Manivannan
- Vegetable Research Division, National Institute of Horticultural and Herbal Science, Rural Development Administration, Jeonju, 55365, Republic of Korea
| | - Sandeep Karna
- Vegetable Research Division, National Institute of Horticultural and Herbal Science, Rural Development Administration, Jeonju, 55365, Republic of Korea
| | - Tae-Hwan Jun
- Department of Plant Bioscience, Pusan National University, Busan, 46241, Republic of Korea
| | - Eun-Young Yang
- Vegetable Research Division, National Institute of Horticultural and Herbal Science, Rural Development Administration, Jeonju, 55365, Republic of Korea
| | - Sena Choi
- Vegetable Research Division, National Institute of Horticultural and Herbal Science, Rural Development Administration, Jeonju, 55365, Republic of Korea
| | - Jin-Hee Kim
- Vegetable Research Division, National Institute of Horticultural and Herbal Science, Rural Development Administration, Jeonju, 55365, Republic of Korea
| | - Do-Sun Kim
- Vegetable Research Division, National Institute of Horticultural and Herbal Science, Rural Development Administration, Jeonju, 55365, Republic of Korea
| | - Eun-Su Lee
- Vegetable Research Division, National Institute of Horticultural and Herbal Science, Rural Development Administration, Jeonju, 55365, Republic of Korea
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19
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Khorramdelazad M, Bar I, Whatmore P, Smetham G, Bhaaskaria V, Yang Y, Bai SH, Mantri N, Zhou Y, Ford R. Transcriptome profiling of lentil (Lens culinaris) through the first 24 hours of Ascochyta lentis infection reveals key defence response genes. BMC Genomics 2018; 19:108. [PMID: 29385986 PMCID: PMC5793396 DOI: 10.1186/s12864-018-4488-1] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2017] [Accepted: 01/17/2018] [Indexed: 09/14/2023] Open
Abstract
Background Ascochyta blight, caused by the fungus Ascochyta lentis, is one of the most destructive lentil diseases worldwide, resulting in over $16 million AUD annual loss in Australia alone. The use of resistant cultivars is currently considered the most effective and environmentally sustainable strategy to control this disease. However, little is known about the genes and molecular mechanisms underlying lentil resistance against A. lentis. Results To uncover the genetic basis of lentil resistance to A. lentis, differentially expressed genes were profiled in lentil plants during the early stages of A. lentis infection. The resistant ‘ILL7537’ and susceptible ‘ILL6002’ lentil genotypes were examined at 2, 6, and 24 h post inoculation utilising high throughput RNA-Sequencing. Genotype and time-dependent differential expression analysis identified genes which play key roles in several functions of the defence response: fungal elicitors recognition and early signalling; structural response; biochemical response; transcription regulators; hypersensitive reaction and cell death; and systemic acquired resistance. Overall, the resistant genotype displayed an earlier and faster detection and signalling response to the A. lentis infection and demonstrated higher expression levels of structural defence-related genes. Conclusions This study presents a first-time defence-related transcriptome of lentil to A. lentis, including a comprehensive characterisation of the molecular mechanism through which defence against A. lentis is induced in the resistant lentil genotype. Electronic supplementary material The online version of this article (10.1186/s12864-018-4488-1) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Mahsa Khorramdelazad
- Glycomics institute, School of Sciences, Griffith University, 58 Parklands Dr., Southport, Gold Coast, 4215, QLD, Australia
| | - Ido Bar
- Environmental Futures Research Institute, School of Natural Sciences, Griffith University, 170 Kessels Rd., Nathan, 4111, QLD, Australia.
| | - Paul Whatmore
- Environmental Futures Research Institute, School of Natural Sciences, Griffith University, 170 Kessels Rd., Nathan, 4111, QLD, Australia.,Genecology Research Centre, Faculty of Science, Health, Education and Engineering, University of the Sunshine Coast, Maroochydore DC, 4558, Queensland, Australia
| | - Gabrielle Smetham
- Fish Nutrition and Feed Safety, the National Institute of Nutrition and Seafood Research (NIFES), Strandgaten 229, Bergen, 5002, Norway
| | - Vijay Bhaaskaria
- Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, 142 University St., Parkville, 3053, VIC, Australia
| | - Yuedong Yang
- Pangenomics Group, School of Sciences, RMIT University, Bundoora, 3083, VIC, Australia
| | - Shahla Hosseini Bai
- Glycomics institute, School of Sciences, Griffith University, 58 Parklands Dr., Southport, Gold Coast, 4215, QLD, Australia
| | - Nitin Mantri
- Environmental Futures Research Institute, School of Natural Sciences, Griffith University, 170 Kessels Rd., Nathan, 4111, QLD, Australia.,Genecology Research Centre, Faculty of Science, Health, Education and Engineering, University of the Sunshine Coast, Maroochydore DC, 4558, Queensland, Australia
| | - Yaoqi Zhou
- Pangenomics Group, School of Sciences, RMIT University, Bundoora, 3083, VIC, Australia
| | - Rebecca Ford
- Glycomics institute, School of Sciences, Griffith University, 58 Parklands Dr., Southport, Gold Coast, 4215, QLD, Australia
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20
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Kumar J, Gupta S, Biradar RS, Gupta P, Dubey S, Singh NP. Association of functional markers with flowering time in lentil. J Appl Genet 2017; 59:9-21. [PMID: 29230682 DOI: 10.1007/s13353-017-0419-0] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2017] [Revised: 11/22/2017] [Accepted: 11/23/2017] [Indexed: 11/25/2022]
Abstract
In the present study, a diverse panel of 96 accessions of lentil germplasm was used to study flowering time over environments and to identify simple sequence repeat markers associated with flowering time through association mapping. The study showed high broad sense heritability estimate (h 2 bs=0.93) for flowering time in lentil. Screening of 534 SSR markers resulted in an identification of 75 SSR polymorphic markers (13.9%) across studied genotypes. These markers amplified 266 loci and generated 697 alleles ranging from two to 16 alleles per locus. Model-based cluster analysis used for the determination of population structure resulted in the identification of two distinct subpopulations. Distribution of flowering time was ranged from 40 to 70 days in subpopulation I and from 54 to 69 days in subpopulation II and did not skew either late or early flowering time within a subpopulation. No admixture was observed within the subpopulations. Use of the most accepted maximum likelihood model (P3D mixed linear model with optimum compression) of MTA analysis showed significant association of 26 SSR markers with flowering time at <0.05 probability. The percent of phenotypic explained by each associated marker with flowering time ranged from 2.1 to 21.8% and identified QTLs for flowering time explaining high phenotypic variation across the environments (10.7-21.8%) or in a particular environment (10.2-21.4%). In the present study, 13 EST-SSR showed significant association with flowering time and explained large phenotypic variation (2.3-21.8%) compared to genomic SSR markers (2.1-10.2%). Hence, these markers can be used as functional markers in the lentil breeding program to develop short duration cultivars.
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Affiliation(s)
- Jitendra Kumar
- Division of Crop Improvement, ICAR-Indian Institute of Pulses Research, Kanpur, India.
| | - Sunanda Gupta
- Division of Crop Improvement, ICAR-Indian Institute of Pulses Research, Kanpur, India
| | - Revanappa S Biradar
- Division of Crop Improvement, ICAR-Indian Institute of Pulses Research, Kanpur, India
| | - Priyanka Gupta
- Division of Crop Improvement, ICAR-Indian Institute of Pulses Research, Kanpur, India
| | - Sonali Dubey
- Division of Crop Improvement, ICAR-Indian Institute of Pulses Research, Kanpur, India
| | - Narendra Pratap Singh
- Division of Crop Improvement, ICAR-Indian Institute of Pulses Research, Kanpur, India
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21
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Dwivedi SL, Scheben A, Edwards D, Spillane C, Ortiz R. Assessing and Exploiting Functional Diversity in Germplasm Pools to Enhance Abiotic Stress Adaptation and Yield in Cereals and Food Legumes. FRONTIERS IN PLANT SCIENCE 2017; 8:1461. [PMID: 28900432 PMCID: PMC5581882 DOI: 10.3389/fpls.2017.01461] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/21/2017] [Accepted: 08/07/2017] [Indexed: 05/03/2023]
Abstract
There is a need to accelerate crop improvement by introducing alleles conferring host plant resistance, abiotic stress adaptation, and high yield potential. Elite cultivars, landraces and wild relatives harbor useful genetic variation that needs to be more easily utilized in plant breeding. We review genome-wide approaches for assessing and identifying alleles associated with desirable agronomic traits in diverse germplasm pools of cereals and legumes. Major quantitative trait loci and single nucleotide polymorphisms (SNPs) associated with desirable agronomic traits have been deployed to enhance crop productivity and resilience. These include alleles associated with variation conferring enhanced photoperiod and flowering traits. Genetic variants in the florigen pathway can provide both environmental flexibility and improved yields. SNPs associated with length of growing season and tolerance to abiotic stresses (precipitation, high temperature) are valuable resources for accelerating breeding for drought-prone environments. Both genomic selection and genome editing can also harness allelic diversity and increase productivity by improving multiple traits, including phenology, plant architecture, yield potential and adaptation to abiotic stresses. Discovering rare alleles and useful haplotypes also provides opportunities to enhance abiotic stress adaptation, while epigenetic variation has potential to enhance abiotic stress adaptation and productivity in crops. By reviewing current knowledge on specific traits and their genetic basis, we highlight recent developments in the understanding of crop functional diversity and identify potential candidate genes for future use. The storage and integration of genetic, genomic and phenotypic information will play an important role in ensuring broad and rapid application of novel genetic discoveries by the plant breeding community. Exploiting alleles for yield-related traits would allow improvement of selection efficiency and overall genetic gain of multigenic traits. An integrated approach involving multiple stakeholders specializing in management and utilization of genetic resources, crop breeding, molecular biology and genomics, agronomy, stress tolerance, and reproductive/seed biology will help to address the global challenge of ensuring food security in the face of growing resource demands and climate change induced stresses.
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Affiliation(s)
| | - Armin Scheben
- School of Biological Sciences, Institute of Agriculture, University of Western Australia, PerthWA, Australia
| | - David Edwards
- School of Biological Sciences, Institute of Agriculture, University of Western Australia, PerthWA, Australia
| | - Charles Spillane
- Plant and AgriBiosciences Research Centre, Ryan Institute, National University of Ireland GalwayGalway, Ireland
| | - Rodomiro Ortiz
- Department of Plant Breeding, Swedish University of Agricultural SciencesAlnarp, Sweden
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22
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Henkrar F, El-Haddoury J, Ouabbou H, Bendaou N, Udupa SM. Genetic characterization of Moroccan and the exotic bread wheat cultivars using functional and random DNA markers linked to the agronomic traits for genomics-assisted improvement. 3 Biotech 2016; 6:97. [PMID: 28330167 PMCID: PMC4823230 DOI: 10.1007/s13205-016-0413-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2015] [Accepted: 03/21/2016] [Indexed: 01/21/2023] Open
Abstract
Genetic characterization, diversity analysis and estimate of the genetic relationship among varieties using functional and random DNA markers linked to agronomic traits can provide relevant guidelines in selecting parents and designing new breeding strategies for marker-assisted wheat cultivar improvement. Here, we characterize 20 Moroccan and 19 exotic bread wheat (Triticum aestivum L.) cultivars using 47 functional and 7 linked random DNA markers associated with 21 loci of the most important traits for wheat breeding. The functional marker analysis revealed that 35, 45, and 10 % of the Moroccan cultivars, respectively have the rust resistance genes (Lr34/Yr18/Pm38), dwarfing genes (Rht1b or Rht2b alleles) and the leaf rust resistance gene (Lr68). The marker alleles for genes Lr37/Yr17/Sr38, Sr24 and Yr36 were present only in the exotic cultivars and absent in Moroccan cultivars. 25 % of cultivars had 1BL.1RS translocation. 70 % of the wheat cultivars had Ppo-D1a and Ppo-A1b associated with low polyphenol oxidase activity. 10 % of cultivars showed presence of a random DNA marker allele (175 bp) linked to Hessian fly resistance gene H22. The majority of the Moroccan cultivars were carrying alleles that impart good bread making quality. Neighbor joining (NJ) and principal coordinate analysis based on the marker data revealed a clear differentiation between elite Moroccan and exotic wheat cultivars. The results of this study are useful for selecting suitable parents for making targeted crosses in marker-assisted wheat breeding and enhancing genetic diversity in the wheat cultivars.
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Affiliation(s)
- Fatima Henkrar
- ICARDA-INRA Cooperative Research Project, International Center for Agricultural Research in the Dry Areas (ICARDA), B.P. 6299, Rabat, Morocco
- Institut National de la Recherche Agronomique (INRA), B.P. 415, Rabat, Morocco
- Institut National de la Recherche Agronomique (INRA), B.P. 589, Settat, Morocco
- Laboratoire de Physiologie et Biotechnologie Végétale, Faculté des Sciences, Université Mohammed V, B.P. 1014, Rabat, Morocco
| | - Jamal El-Haddoury
- Institut National de la Recherche Agronomique (INRA), B.P. 589, Settat, Morocco
| | - Hassan Ouabbou
- Institut National de la Recherche Agronomique (INRA), B.P. 589, Settat, Morocco
| | - Najib Bendaou
- Laboratoire de Physiologie et Biotechnologie Végétale, Faculté des Sciences, Université Mohammed V, B.P. 1014, Rabat, Morocco
| | - Sripada M Udupa
- ICARDA-INRA Cooperative Research Project, International Center for Agricultural Research in the Dry Areas (ICARDA), B.P. 6299, Rabat, Morocco.
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23
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Melo ATO, Bartaula R, Hale I. GBS-SNP-CROP: a reference-optional pipeline for SNP discovery and plant germplasm characterization using variable length, paired-end genotyping-by-sequencing data. BMC Bioinformatics 2016; 17:29. [PMID: 26754002 PMCID: PMC4709900 DOI: 10.1186/s12859-016-0879-y] [Citation(s) in RCA: 61] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2015] [Accepted: 01/06/2016] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND With its simple library preparation and robust approach to genome reduction, genotyping-by-sequencing (GBS) is a flexible and cost-effective strategy for SNP discovery and genotyping, provided an appropriate reference genome is available. For resource-limited curation, research, and breeding programs of underutilized plant genetic resources, however, even low-depth references may not be within reach, despite declining sequencing costs. Such programs would find value in an open-source bioinformatics pipeline that can maximize GBS data usage and perform high-density SNP genotyping in the absence of a reference. RESULTS The GBS SNP-Calling Reference Optional Pipeline (GBS-SNP-CROP) developed and presented here adopts a clustering strategy to build a population-tailored "Mock Reference" from the same GBS data used for downstream SNP calling and genotyping. Designed for libraries of paired-end (PE) reads, GBS-SNP-CROP maximizes data usage by eliminating unnecessary data culling due to imposed read-length uniformity requirements. Using 150 bp PE reads from a GBS library of 48 accessions of tetraploid kiwiberry (Actinidia arguta), GBS-SNP-CROP yielded on average three times as many SNPs as TASSEL-GBS analyses (32 and 64 bp tag lengths) and over 18 times as many as TASSEL-UNEAK, with fewer genotyping errors in all cases, as evidenced by comparing the genotypic characterizations of biological replicates. Using the published reference genome of a related diploid species (A. chinensis), the reference-based version of GBS-SNP-CROP behaved similarly to TASSEL-GBS in terms of the number of SNPs called but had an improved read depth distribution and fewer genotyping errors. Our results also indicate that the sets of SNPs detected by the different pipelines above are largely orthogonal to one another; thus GBS-SNP-CROP may be used to augment the results of alternative analyses, whether or not a reference is available. CONCLUSIONS By achieving high-density SNP genotyping in populations for which no reference genome is available, GBS-SNP-CROP is worth consideration by curators, researchers, and breeders of under-researched plant genetic resources. In cases where a reference is available, especially if from a related species or when the target population is particularly diverse, GBS-SNP-CROP may complement other reference-based pipelines by extracting more information per sequencing dollar spent. The current version of GBS-SNP-CROP is available at https://github.com/halelab/GBS-SNP-CROP.git.
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Affiliation(s)
- Arthur T O Melo
- College of Life Sciences and Agriculture, Department of Biological Sciences, University of New Hampshire, Durham, NH, USA
| | - Radhika Bartaula
- College of Life Sciences and Agriculture, Genetics Graduate Program, University of New Hampshire, Durham, NH, USA
| | - Iago Hale
- College of Life Sciences and Agriculture, Department of Biological Sciences, University of New Hampshire, Durham, NH, USA.
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24
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Khazaei H, Caron CT, Fedoruk M, Diapari M, Vandenberg A, Coyne CJ, McGee R, Bett KE. Genetic Diversity of Cultivated Lentil (Lens culinaris Medik.) and Its Relation to the World's Agro-ecological Zones. FRONTIERS IN PLANT SCIENCE 2016; 7:1093. [PMID: 27507980 PMCID: PMC4960256 DOI: 10.3389/fpls.2016.01093] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2016] [Accepted: 07/11/2016] [Indexed: 05/22/2023]
Abstract
Assessment of genetic diversity and population structure of germplasm collections plays a critical role in supporting conservation and crop genetic enhancement strategies. We used a cultivated lentil (Lens culinaris Medik.) collection consisting of 352 accessions originating from 54 diverse countries to estimate genetic diversity and genetic structure using 1194 polymorphic single nucleotide polymorphism (SNP) markers which span the lentil genome. Using principal coordinate analysis, population structure analysis and UPGMA cluster analysis, the accessions were categorized into three major groups that prominently reflected geographical origin (world's agro-ecological zones). The three clusters complemented the origins, pedigrees, and breeding histories of the germplasm. The three groups were (a) South Asia (sub-tropical savannah), (b) Mediterranean, and (c) northern temperate. Based on the results from this study, it is also clear that breeding programs still have considerable genetic diversity to mine within the cultivated lentil, as surveyed South Asian and Canadian germplasm revealed narrow genetic diversity.
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Affiliation(s)
- Hamid Khazaei
- Department of Plant Sciences, University of SaskatchewanSaskatoon, SK, Canada
| | - Carolyn T. Caron
- Department of Plant Sciences, University of SaskatchewanSaskatoon, SK, Canada
| | - Michael Fedoruk
- Department of Plant Sciences, University of SaskatchewanSaskatoon, SK, Canada
| | - Marwan Diapari
- Department of Plant Sciences, University of SaskatchewanSaskatoon, SK, Canada
- London Research and Development Centre, Agriculture and Agri-Food CanadaLondon, ON, Canada
| | - Albert Vandenberg
- Department of Plant Sciences, University of SaskatchewanSaskatoon, SK, Canada
| | | | | | - Kirstin E. Bett
- Department of Plant Sciences, University of SaskatchewanSaskatoon, SK, Canada
- *Correspondence: Kirstin E. Bett
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