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Agre PA, Clark LV, Garcia-Oliveira AL, Bohar R, Adebola P, Asiedu R, Terauchi R, Asfaw A. Identification of diagnostic KASP-SNP markers for routine breeding activities in yam (Dioscorea spp.). THE PLANT GENOME 2024; 17:e20419. [PMID: 38093501 DOI: 10.1002/tpg2.20419] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Revised: 09/16/2023] [Accepted: 11/02/2023] [Indexed: 07/02/2024]
Abstract
Maintaining genetic purity and true-to-type clone identification are important action steps in breeding programs. This study aimed to develop a universal set of kompetitive allele-specific polymerase chain reaction (KASP)-based single nucleotide polymorphism (SNP) markers for routine breeding activities. Ultra-low-density SNP markers were created using an initial set of 173,675 SNPs that were obtained from whole-genome resequencing of 333 diverse white Guinea yam (Dioscorea rotundata Poir) genotypes. From whole-genome resequencing data, 99 putative SNP markers were found and successfully converted to high-throughput KASP genotyping assays. The markers set was validated on 374 genotypes representing six yam species. Out of the 99 markers, 50 were highly polymorphic across the species and could distinguish different yam species and pedigree origins. The selected SNP markers classified the validation population based on the different yam species and identified potential duplicates within yam species. Through penalized analysis, the male parent of progenies involved in polycrosses was successfully predicted and validated. Our research was a trailblazer in validating KASP-based SNP assays for species identification, parental fingerprinting, and quality control (QC) and quality assurance (QA) in yam breeding programs.
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Affiliation(s)
- Paterne A Agre
- International Institute of Tropical Agriculture (IITA), Ibadan, Nigeria
| | - Lindsay V Clark
- HPCBio, Roy J. Carver Biotechnology Center, University of Illinois at Urbana-Champaign, Urbana, Illinois, USA
| | - Ana Luisa Garcia-Oliveira
- Excellence in Breeding (EiB), CIMMYT-ICRAF, UN Av, Nairobi, Kenya
- Department of Molecular Biology, Biotechnology and Bioinformatics, College of Basic Sciences and Humanities, CCS Haryana Agricultural University, Hisar, Haryana, India
| | - Rajaguru Bohar
- Excellence in Breeding (EiB), CIMMYT-ICRISAT, Hyderabad, Telangana, India
| | - Patrick Adebola
- International Institute of Tropical Agriculture (IITA), Ibadan, Nigeria
| | - Robert Asiedu
- International Institute of Tropical Agriculture (IITA), Ibadan, Nigeria
| | - Ryohei Terauchi
- Laboratory of Crop Evolution, Graduate School of Agriculture, Kyoto University, Kyoto, Japan
- Iwate Biotechnology Research Center, Kitakami, Japan
| | - Asrat Asfaw
- International Institute of Tropical Agriculture (IITA), Ibadan, Nigeria
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Asfaw A, Agre P, Matsumoto R, Olatunji AA, Edemodu A, Olusola T, Odom-Kolombia OL, Adesokan M, Alamu OE, Adebola P, Asiedu R, Maziya-Dixon B. Genome-wide dissection of the genetic factors underlying food quality in boiled and pounded white Guinea yam. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2024; 104:4880-4894. [PMID: 37386916 DOI: 10.1002/jsfa.12816] [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: 11/11/2022] [Revised: 05/30/2023] [Accepted: 06/30/2023] [Indexed: 07/01/2023]
Abstract
BACKGROUND Food quality traits related to the genetics of yam influence the acceptability for its consumption. This study aimed at identifying genetic factors underlying sensory and textural quality attributes of boiled and pounded yam, the two dominant food products from white Guinea yam. RESULTS A genome-wide association study (GWAS) of a panel of 184 genotypes derived from five multi-parent crosses population was conducted. The panel was phenotyped for the qualities of boiled and pounded yam using sensory quality and instrument-based textural profile assays. The genotypes displayed significant variation for most of the attributes. Population differentiation and structure analysis using principal component analysis (PCA) and population structure-based Bayesian information criteria revealed the presence of four well-defined clusters. The GWAS results from a multi-random mixed linear model with kinship and PCA used as covariate identified 13 single-nucleotide polymorphic (SNP) markers significantly associated with the boiled and pounded yam food qualities. The associated SNP markers explained 7.51-13.04% of the total phenotypic variance with a limit of detection exceeding 4. CONCLUSION Regions on chromosomes 7 and 15 were found to be associated with boiled and pounded yam quality attributes from sensory and instrument-based assays. Gene annotation analysis for the regions of associated SNPs revealed co-localization of several known putative genes involved in glucose export, hydrolysis and glycerol metabolism. Our study is one of the first reports of genetic factors underlying the boiled and pounded yam food quality to pave the way for marker-assisted selection in white Guinea yam. © 2023 Society of Chemical Industry.
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Affiliation(s)
- Asrat Asfaw
- Yam Breeding, International Institute of Tropical Agriculture (IITA), Ibadan, Nigeria
- Yam Breeding, International Institute of Tropical Agriculture (IITA), Abuja, Nigeria
| | - Paterne Agre
- Yam Breeding, International Institute of Tropical Agriculture (IITA), Ibadan, Nigeria
| | - Ryo Matsumoto
- Yam Breeding, International Institute of Tropical Agriculture (IITA), Ibadan, Nigeria
| | | | - Alex Edemodu
- Yam Breeding, International Institute of Tropical Agriculture (IITA), Ibadan, Nigeria
| | - Theresa Olusola
- Yam Breeding, International Institute of Tropical Agriculture (IITA), Ibadan, Nigeria
| | | | - Michael Adesokan
- Food and Nutrition Sciences Laboratory, International Institute of Tropical Agriculture (IITA), Ibadan, Nigeria
| | - Oladeji Emmanuel Alamu
- International Institute of Tropical Agriculture, Southern Africa Research and Administration Hub (SARAH) Campus, Lusaka, Zambia
| | - Patrick Adebola
- Yam Breeding, International Institute of Tropical Agriculture (IITA), Abuja, Nigeria
| | - Robert Asiedu
- Yam Breeding, International Institute of Tropical Agriculture (IITA), Ibadan, Nigeria
| | - Busie Maziya-Dixon
- Food and Nutrition Sciences Laboratory, International Institute of Tropical Agriculture (IITA), Ibadan, Nigeria
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Xu WT, Lu XY, Wang Y, Li MH, Hu K, Shen ZJ, Sun XQ, Zhang YM. A Lateral Flow-Recombinase Polymerase Amplification Method for Colletotrichum gloeosporioides Detection. J Fungi (Basel) 2024; 10:315. [PMID: 38786670 PMCID: PMC11121841 DOI: 10.3390/jof10050315] [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: 02/26/2024] [Revised: 04/17/2024] [Accepted: 04/22/2024] [Indexed: 05/25/2024] Open
Abstract
The greater yam (Dioscorea alata), a widely cultivated and nutritious food crop, suffers from widespread yield reduction due to anthracnose caused by Colletotrichum gloeosporioides. Latent infection often occurs before anthracnose phenotypes can be detected, making early prevention difficult and causing significant harm to agricultural production. Through comparative genomic analysis of 60 genomes of 38 species from the Colletotrichum genus, this study identified 17 orthologous gene groups (orthogroups) that were shared by all investigated C. gloeosporioides strains but absent from all other Colletotrichum species. Four of the 17 C. gloeosporioides-specific orthogroups were used as molecular markers for PCR primer designation and C. gloeosporioides detection. All of them can specifically detect C. gloeosporioides out of microbes within and beyond the Colletotrichum genus with different sensitivities. To establish a rapid, portable, and operable anthracnose diagnostic method suitable for field use, specific recombinase polymerase amplification (RPA) primer probe combinations were designed, and a lateral flow (LF)-RPA detection kit for C. gloeosporioides was developed, with the sensitivity reaching the picogram (pg) level. In conclusion, this study identified C. gloeosporioides-specific molecular markers and developed an efficient method for C. gloeosporioides detection, which can be applied to the prevention and control of yam anthracnose as well as anthracnose caused by C. gloeosporioides in other crops. The strategy adopted by this study also serves as a reference for the identification of molecular markers and diagnosis of other plant pathogens.
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Affiliation(s)
- Wei-Teng Xu
- Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing 210014, China; (W.-T.X.); (X.-Y.L.); (Y.W.); (M.-H.L.); (K.H.); (Z.-J.S.); (X.-Q.S.)
- Jiangsu Key Laboratory for the Research and Utilization of Plant Resources, Nanjing 210014, China
- Jiangsu Provincial Science and Technology Resources Coordination Platform (Agricultural Germplasm Resources) Germplasm Resources Nursery of Medicinal Plants, Nanjing 210014, China
| | - Xin-Yu Lu
- Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing 210014, China; (W.-T.X.); (X.-Y.L.); (Y.W.); (M.-H.L.); (K.H.); (Z.-J.S.); (X.-Q.S.)
- Jiangsu Key Laboratory for the Research and Utilization of Plant Resources, Nanjing 210014, China
- Jiangsu Provincial Science and Technology Resources Coordination Platform (Agricultural Germplasm Resources) Germplasm Resources Nursery of Medicinal Plants, Nanjing 210014, China
| | - Yue Wang
- Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing 210014, China; (W.-T.X.); (X.-Y.L.); (Y.W.); (M.-H.L.); (K.H.); (Z.-J.S.); (X.-Q.S.)
- Jiangsu Key Laboratory for the Research and Utilization of Plant Resources, Nanjing 210014, China
- Jiangsu Provincial Science and Technology Resources Coordination Platform (Agricultural Germplasm Resources) Germplasm Resources Nursery of Medicinal Plants, Nanjing 210014, China
| | - Ming-Han Li
- Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing 210014, China; (W.-T.X.); (X.-Y.L.); (Y.W.); (M.-H.L.); (K.H.); (Z.-J.S.); (X.-Q.S.)
- Jiangsu Key Laboratory for the Research and Utilization of Plant Resources, Nanjing 210014, China
- Jiangsu Provincial Science and Technology Resources Coordination Platform (Agricultural Germplasm Resources) Germplasm Resources Nursery of Medicinal Plants, Nanjing 210014, China
| | - Ke Hu
- Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing 210014, China; (W.-T.X.); (X.-Y.L.); (Y.W.); (M.-H.L.); (K.H.); (Z.-J.S.); (X.-Q.S.)
- Jiangsu Key Laboratory for the Research and Utilization of Plant Resources, Nanjing 210014, China
- Jiangsu Provincial Science and Technology Resources Coordination Platform (Agricultural Germplasm Resources) Germplasm Resources Nursery of Medicinal Plants, Nanjing 210014, China
| | - Zi-Jie Shen
- Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing 210014, China; (W.-T.X.); (X.-Y.L.); (Y.W.); (M.-H.L.); (K.H.); (Z.-J.S.); (X.-Q.S.)
- Jiangsu Key Laboratory for the Research and Utilization of Plant Resources, Nanjing 210014, China
- Jiangsu Provincial Science and Technology Resources Coordination Platform (Agricultural Germplasm Resources) Germplasm Resources Nursery of Medicinal Plants, Nanjing 210014, China
| | - Xiao-Qin Sun
- Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing 210014, China; (W.-T.X.); (X.-Y.L.); (Y.W.); (M.-H.L.); (K.H.); (Z.-J.S.); (X.-Q.S.)
- Jiangsu Key Laboratory for the Research and Utilization of Plant Resources, Nanjing 210014, China
- Jiangsu Provincial Science and Technology Resources Coordination Platform (Agricultural Germplasm Resources) Germplasm Resources Nursery of Medicinal Plants, Nanjing 210014, China
| | - Yan-Mei Zhang
- Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing 210014, China; (W.-T.X.); (X.-Y.L.); (Y.W.); (M.-H.L.); (K.H.); (Z.-J.S.); (X.-Q.S.)
- Jiangsu Key Laboratory for the Research and Utilization of Plant Resources, Nanjing 210014, China
- Jiangsu Provincial Science and Technology Resources Coordination Platform (Agricultural Germplasm Resources) Germplasm Resources Nursery of Medicinal Plants, Nanjing 210014, China
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Adejumobi II, Agre PA, Adewumi AS, Shonde TE, Cipriano IM, Komoy JL, Adheka JG, Onautshu DO. Association mapping in multiple yam species (Dioscorea spp.) of quantitative trait loci for yield-related traits. BMC PLANT BIOLOGY 2023; 23:357. [PMID: 37434107 DOI: 10.1186/s12870-023-04350-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Accepted: 06/16/2023] [Indexed: 07/13/2023]
Abstract
BACKGROUND Yam (Dioscorea spp.) is multiple species with various ploidy level and considered as cash crop in many producing areas. Selection based phenotyping for yield and its related traits such as mosaic virus and anthracnose diseases resistance and plant vigor in multiple species of yam is lengthy however, marker information has proven to enhance selection efficiency. METHODOLOGY In this study, a panel of 182 yam accessions distributed across six yam species were assessed for diversity and marker-traits association study using SNP markers generated from Diversity Array Technology platform. For the traits association analysis, the relation matrix alongside the population structure were used as co-factor to avoid false discovery using Multiple random Mixed Linear Model (MrMLM) followed by gene annotation. RESULTS Accessions performance were significantly different (p < 0.001) across all the traits with high broad-sense heritability (H2). Phenotypic and genotypic correlations showed positive relationships between yield and vigor but negative for yield and yam mosaic disease severity. Population structure revealed k = 6 as optimal clusters-based species. A total of 22 SNP markers were identified to be associated with yield, vigor, mosaic and anthracnose diseases resistance. Gene annotation for the significant SNP loci identified some putative genes associated with primary metabolism, pest and resistance to anthracnose disease, maintenance of NADPH in biosynthetic reaction especially those involving nitro-oxidative stress for resistance to mosaic virus, and seed development, photosynthesis, nutrition use efficiency, stress tolerance, vegetative and reproductive development for tuber yield. CONCLUSION This study provides valuable insights into the genetic control of plant vigor, anthracnose, mosaic virus resistance, and tuber yield in yam and thus, opens an avenue for developing additional genomic resources for markers-assisted selection focusing on multiple yam species.
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Affiliation(s)
- I I Adejumobi
- Department of Biotechnology, Faculty of Science, University of Kisangani, Kisangani, DR, Congo
- International Institute of Tropical Agriculture, Lagos, Nigeria
| | - Paterne A Agre
- International Institute of Tropical Agriculture, Lagos, Nigeria.
| | - A S Adewumi
- International Institute of Tropical Agriculture, Lagos, Nigeria
| | - T E Shonde
- International Institute of Tropical Agriculture, Lagos, Nigeria
| | - I M Cipriano
- Department of Biotechnology, Faculty of Science, University of Kisangani, Kisangani, DR, Congo
| | - J L Komoy
- Department of Biotechnology, Faculty of Science, University of Kisangani, Kisangani, DR, Congo
| | - J G Adheka
- Department of Biotechnology, Faculty of Science, University of Kisangani, Kisangani, DR, Congo
| | - D O Onautshu
- Department of Biotechnology, Faculty of Science, University of Kisangani, Kisangani, DR, Congo
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5
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Bredeson JV, Lyons JB, Oniyinde IO, Okereke NR, Kolade O, Nnabue I, Nwadili CO, Hřibová E, Parker M, Nwogha J, Shu S, Carlson J, Kariba R, Muthemba S, Knop K, Barton GJ, Sherwood AV, Lopez-Montes A, Asiedu R, Jamnadass R, Muchugi A, Goodstein D, Egesi CN, Featherston J, Asfaw A, Simpson GG, Doležel J, Hendre PS, Van Deynze A, Kumar PL, Obidiegwu JE, Bhattacharjee R, Rokhsar DS. Chromosome evolution and the genetic basis of agronomically important traits in greater yam. Nat Commun 2022; 13:2001. [PMID: 35422045 PMCID: PMC9010478 DOI: 10.1038/s41467-022-29114-w] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Accepted: 02/08/2022] [Indexed: 12/14/2022] Open
Abstract
The nutrient-rich tubers of the greater yam, Dioscorea alata L., provide food and income security for millions of people around the world. Despite its global importance, however, greater yam remains an orphan crop. Here, we address this resource gap by presenting a highly contiguous chromosome-scale genome assembly of D. alata combined with a dense genetic map derived from African breeding populations. The genome sequence reveals an ancient allotetraploidization in the Dioscorea lineage, followed by extensive genome-wide reorganization. Using the genomic tools, we find quantitative trait loci for resistance to anthracnose, a damaging fungal pathogen of yam, and several tuber quality traits. Genomic analysis of breeding lines reveals both extensive inbreeding as well as regions of extensive heterozygosity that may represent interspecific introgression during domestication. These tools and insights will enable yam breeders to unlock the potential of this staple crop and take full advantage of its adaptability to varied environments.
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Affiliation(s)
- Jessen V Bredeson
- Department of Molecular & Cell Biology, University of California, Berkeley, CA, 94720, USA
| | - Jessica B Lyons
- Department of Molecular & Cell Biology, University of California, Berkeley, CA, 94720, USA
- Innovative Genomics Institute, Berkeley, CA, USA
| | - Ibukun O Oniyinde
- International Institute of Tropical Agriculture, PMB 5320, Oyo Road, Ibadan, Nigeria
| | - Nneka R Okereke
- National Root Crops Research Institute (NRCRI), Umudike, Nigeria
| | - Olufisayo Kolade
- International Institute of Tropical Agriculture, PMB 5320, Oyo Road, Ibadan, Nigeria
| | - Ikenna Nnabue
- National Root Crops Research Institute (NRCRI), Umudike, Nigeria
| | | | - Eva Hřibová
- Institute of Experimental Botany of the Czech Academy of Sciences, Centre of the Region Haná for Biotechnological and Agricultural Research, Šlechtitelů 31, CZ-77900, Olomouc, Czech Republic
| | - Matthew Parker
- School of Life Sciences, University of Dundee, Dundee, UK
| | - Jeremiah Nwogha
- National Root Crops Research Institute (NRCRI), Umudike, Nigeria
| | | | | | - Robert Kariba
- World Agroforestry (CIFOR-ICRAF), Nairobi, Kenya
- African Orphan Crops Consortium, Nairobi, Kenya
| | - Samuel Muthemba
- World Agroforestry (CIFOR-ICRAF), Nairobi, Kenya
- African Orphan Crops Consortium, Nairobi, Kenya
| | - Katarzyna Knop
- School of Life Sciences, University of Dundee, Dundee, UK
| | | | - Anna V Sherwood
- School of Life Sciences, University of Dundee, Dundee, UK
- Department of Biology, University of Copenhagen, Copenhagen, Denmark
| | - Antonio Lopez-Montes
- International Institute of Tropical Agriculture, PMB 5320, Oyo Road, Ibadan, Nigeria
- International Trade Center, Accra, Ghana
| | - Robert Asiedu
- International Institute of Tropical Agriculture, PMB 5320, Oyo Road, Ibadan, Nigeria
| | - Ramni Jamnadass
- World Agroforestry (CIFOR-ICRAF), Nairobi, Kenya
- African Orphan Crops Consortium, Nairobi, Kenya
| | - Alice Muchugi
- World Agroforestry (CIFOR-ICRAF), Nairobi, Kenya
- African Orphan Crops Consortium, Nairobi, Kenya
| | | | - Chiedozie N Egesi
- International Institute of Tropical Agriculture, PMB 5320, Oyo Road, Ibadan, Nigeria
- National Root Crops Research Institute (NRCRI), Umudike, Nigeria
- Cornell University, Ithaca, NY, 14850, USA
| | | | - Asrat Asfaw
- International Institute of Tropical Agriculture, PMB 5320, Oyo Road, Ibadan, Nigeria
| | - Gordon G Simpson
- School of Life Sciences, University of Dundee, Dundee, UK
- James Hutton Institute, Dundee, UK
| | - Jaroslav Doležel
- Institute of Experimental Botany of the Czech Academy of Sciences, Centre of the Region Haná for Biotechnological and Agricultural Research, Šlechtitelů 31, CZ-77900, Olomouc, Czech Republic
| | - Prasad S Hendre
- World Agroforestry (CIFOR-ICRAF), Nairobi, Kenya
- African Orphan Crops Consortium, Nairobi, Kenya
| | | | - Pullikanti Lava Kumar
- International Institute of Tropical Agriculture, PMB 5320, Oyo Road, Ibadan, Nigeria
| | - Jude E Obidiegwu
- National Root Crops Research Institute (NRCRI), Umudike, Nigeria.
| | - Ranjana Bhattacharjee
- International Institute of Tropical Agriculture, PMB 5320, Oyo Road, Ibadan, Nigeria.
| | - Daniel S Rokhsar
- Department of Molecular & Cell Biology, University of California, Berkeley, CA, 94720, USA.
- Innovative Genomics Institute, Berkeley, CA, USA.
- DOE Joint Genome Institute, Berkeley, CA, USA.
- Okinawa Institute of Science and Technology, Onna, Okinawa, Japan.
- Chan-Zuckerberg BioHub, 499 Illinois St., San Francisco, CA, 94158, USA.
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