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Pootakham W, Sonthirod C, Naktang C, Yundaeng C, Yoocha T, Kongkachana W, Sangsrakru D, Somta P, Tangphatsornruang S. Genome assemblies of Vigna reflexo-pilosa (créole bean) and its progenitors, Vigna hirtella and Vigna trinervia, revealed homoeolog expression bias and expression-level dominance in the allotetraploid. Gigascience 2022; 12:giad050. [PMID: 37470496 PMCID: PMC10357499 DOI: 10.1093/gigascience/giad050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 05/15/2023] [Accepted: 06/26/2023] [Indexed: 07/21/2023] Open
Abstract
Vigna reflexo-pilosa (créole bean) is a wild legume belonging to the subgenus Ceratoropis and is widely distributed in Asia. Créole bean is the only tetraploid species in the genus Vigna, and it has been shown to derive from the hybridization of Vigna hirtella and Vigna trinervia. In this study, we combined the long-read PacBio technology with the chromatin contact mapping (Hi-C) technique to obtain a chromosome-level assembly of V. reflexo-pilosa. The final assembly contained 998,724,903 bases with an N50 length of 42,545,650 bases. Our gene prediction recovered 99.4% of the highly conserved orthologs based on the BUSCO analysis. To investigate homoeolog expression bias and expression level dominance in the tetraploid, we also sequenced and assembled the genomes of its progenitors. Overall, the majority of the homoeolog pairs (72.9%) displayed no expression bias, and among those that exhibited biased expression, 16.3% showed unbalanced homoeolog expression bias toward the V. trinervia subgenome. Moreover, 41.2% and 36.2% of the expressed gene pairs exhibited transgressive expression and expression level dominance, respectively. Interestingly, the genome-wide expression level dominance in the tetraploid was biased toward the V. trinervia subgenome. The analysis of methylation patterns also revealed that the average methylation levels in coding regions were higher in the V. hirtella subgenome than those in the V. trinervia subgenome. The genomic/transcriptomic resources for these three species are useful not only for the development of elite cultivars in Vigna breeding programs but also to researchers studying comparative genomics and investigating genomic/epigenomic changes following polyploid events.
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Affiliation(s)
- Wirulda Pootakham
- National Science and Technology Development Agency (NSTDA), National Center for the Genetic Engineering and Biotechnology (BIOTEC), 111 Thailand Science Park, Pathum Thani 12120, Thailand
| | - Chutima Sonthirod
- National Science and Technology Development Agency (NSTDA), National Center for the Genetic Engineering and Biotechnology (BIOTEC), 111 Thailand Science Park, Pathum Thani 12120, Thailand
| | - Chaiwat Naktang
- National Science and Technology Development Agency (NSTDA), National Center for the Genetic Engineering and Biotechnology (BIOTEC), 111 Thailand Science Park, Pathum Thani 12120, Thailand
| | - Chutintorn Yundaeng
- National Science and Technology Development Agency (NSTDA), National Center for the Genetic Engineering and Biotechnology (BIOTEC), 111 Thailand Science Park, Pathum Thani 12120, Thailand
| | - Thippawan Yoocha
- National Science and Technology Development Agency (NSTDA), National Center for the Genetic Engineering and Biotechnology (BIOTEC), 111 Thailand Science Park, Pathum Thani 12120, Thailand
| | - Wasitthee Kongkachana
- National Science and Technology Development Agency (NSTDA), National Center for the Genetic Engineering and Biotechnology (BIOTEC), 111 Thailand Science Park, Pathum Thani 12120, Thailand
| | - Duangjai Sangsrakru
- National Science and Technology Development Agency (NSTDA), National Center for the Genetic Engineering and Biotechnology (BIOTEC), 111 Thailand Science Park, Pathum Thani 12120, Thailand
| | - Prakit Somta
- Department of Agronomy, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University, Nakhon Pathom 73140, Thailand
| | - Sithichoke Tangphatsornruang
- National Science and Technology Development Agency (NSTDA), National Center for the Genetic Engineering and Biotechnology (BIOTEC), 111 Thailand Science Park, Pathum Thani 12120, Thailand
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Yun S, Kim SC. Comparative plastomes and phylogenetic analysis of seven Korean endemic Saussurea (Asteraceae). BMC PLANT BIOLOGY 2022; 22:550. [PMID: 36443690 PMCID: PMC9706989 DOI: 10.1186/s12870-022-03946-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/20/2022] [Accepted: 11/14/2022] [Indexed: 06/16/2023]
Abstract
BACKGROUND Saussurea is one of the most species-rich genera in the Cardueae, Asteraceae. There are approximately 40 Saussurea species distributed in Korea, with nearly 40% of them endemics. Infrageneric relationships remain uncertain due to insufficient resolutions and low statistical support. In this study, we sequenced the plastid genomes of five Korean endemic Saussurea (S. albifolia, S. calcicola, S. diamantica, S. grandicapitula, and S. seoulensis), and comparative analyses including two other endemics (S. chabyoungsanica and S. polylepis) were conducted. RESULTS The plastomes of Korean endemics were highly conserved in gene content, order, and numbers. Exceptionally, S. diamantica had mitochondrial DNA sequences including two tRNAs in SSC region. There were no significant differences of the type and numbers of SSRs among the seven Korean endemics except in S. seoulensis. Nine mutation hotspots with high nucleotide diversity value (Pi > 0.0033) were identified, and phylogenetic analysis suggested that those Korean endemic species most likely evolved several times from diverse lineages within the genus. Moreover, molecular dating estimated that the Korean endemic species diverged since the late Miocene. CONCLUSIONS This study provides insight into understanding the plastome evolution and evolutionary relationships of highly complex species of Saussurea in Korean peninsula.
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Affiliation(s)
- Seona Yun
- Department of Biological Sciences, Sungkyunkwan University, 2066 Seobu-ro, Suwon, Gyeonggi-do, 16419, Korea
- Present Address: Department of Environmental Biology, State University of New York College of Environmental Science and Forestry, One Forestry Drive, Syracuse, NY, 13210, USA
| | - Seung-Chul Kim
- Department of Biological Sciences, Sungkyunkwan University, 2066 Seobu-ro, Suwon, Gyeonggi-do, 16419, Korea.
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Verma SK, Singh CK, Taunk J, Gayacharan, Chandra Joshi D, Kalia S, Dey N, Singh AK. Vignette of Vigna domestication: From archives to genomics. Front Genet 2022; 13:960200. [DOI: 10.3389/fgene.2022.960200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Accepted: 09/27/2022] [Indexed: 11/13/2022] Open
Abstract
The genus Vigna comprises fast-growing, diploid legumes, cultivated in tropical and subtropical parts of the world. It comprises more than 200 species among which Vigna angularis, Vigna radiata, Vigna mungo, Vigna aconitifolia, Vigna umbellata, Vigna unguiculata, and Vigna vexillata are of enormous agronomic importance. Human selection along with natural variability within these species encompasses a vital source for developing new varieties. The present review convokes the early domestication history of Vigna species based on archeological pieces of evidence and domestication-related traits (DRTs) together with genetics of domestication. Traces of early domestication of Vigna have been evidenced to spread across several temperate and tropical regions of Africa, Eastern Asia, and few parts of Europe. Several DRTs of Vigna species, such as pod shattering, pod and seed size, dormancy, seed coat, seed color, maturity, and pod dehiscence, can clearly differentiate wild species from their domesticates. With the advancement in next-generation high-throughput sequencing techniques, exploration of genetic variability using recently released reference genomes along with de novo sequencing of Vigna species have provided a framework to perform genome-wide association and functional studies to figure out different genes related to DRTs. In this review, genes and quantitative trait loci (QTLs) related to DRTs of different Vigna species have also been summarized. Information provided in this review will enhance the in-depth understanding of the selective pressures that causes crop domestication along with nature of evolutionary selection made in unexplored Vigna species. Furthermore, correlated archeological and domestication-related genetic evidence will facilitate Vigna species to be considered as suitable model plants.
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Biogeographical and Diversification Analyses of Indian Pseudoscorpions Reveal the Western Ghats as Museums of Ancient Biodiversity. Mol Phylogenet Evol 2022; 175:107495. [DOI: 10.1016/j.ympev.2022.107495] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 04/13/2022] [Accepted: 04/19/2022] [Indexed: 11/18/2022]
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Panzeri D, Guidi Nissim W, Labra M, Grassi F. Revisiting the Domestication Process of African Vigna Species (Fabaceae): Background, Perspectives and Challenges. PLANTS (BASEL, SWITZERLAND) 2022; 11:plants11040532. [PMID: 35214865 PMCID: PMC8879845 DOI: 10.3390/plants11040532] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Revised: 02/12/2022] [Accepted: 02/13/2022] [Indexed: 05/14/2023]
Abstract
Legumes are one of the most economically important and biodiverse families in plants recognised as the basis to develop functional foods. Among these, the Vigna genus stands out as a good representative because of its relatively recent African origin as well as its outstanding potential. Africa is a great biodiversity centre in which a great number of species are spread, but only three of them, Vigna unguiculata, Vigna subterranea and Vigna vexillata, were successfully domesticated. This review aims at analysing and valorising these species by considering the perspective of human activity and what effects it exerts. For each species, we revised the origin history and gave a focus on where, when and how many times domestication occurred. We provided a brief summary of bioactive compounds naturally occurring in these species that are fundamental for human wellbeing. The great number of wild lineages is a key point to improve landraces since the domestication process caused a loss of gene diversity. Their genomes hide a precious gene pool yet mostly unexplored, and genes lost during human activity can be recovered from the wild lineages and reintroduced in cultivated forms through modern technologies. Finally, we describe how all this information is game-changing to the design of future crops by domesticating de novo.
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Affiliation(s)
- Davide Panzeri
- Department of Biotechnology and Bioscience, University of Milan-Bicocca, Piazza della Scienza 2, 20126 Milano, Italy; (W.G.N.); (M.L.)
- Correspondence: (D.P.); (F.G.)
| | - Werther Guidi Nissim
- Department of Biotechnology and Bioscience, University of Milan-Bicocca, Piazza della Scienza 2, 20126 Milano, Italy; (W.G.N.); (M.L.)
- Department of Agriculture, Food, Environment and Forestry (DAGRI), University of Florence, Viale delle Idee 30, 50019 Sesto Fiorentino, Italy
| | - Massimo Labra
- Department of Biotechnology and Bioscience, University of Milan-Bicocca, Piazza della Scienza 2, 20126 Milano, Italy; (W.G.N.); (M.L.)
| | - Fabrizio Grassi
- Department of Biotechnology and Bioscience, University of Milan-Bicocca, Piazza della Scienza 2, 20126 Milano, Italy; (W.G.N.); (M.L.)
- Correspondence: (D.P.); (F.G.)
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Ferreira-Neto JRC, da Silva MD, Rodrigues FA, Nepomuceno AL, Pandolfi V, de Lima Morais DA, Kido EA, Benko-Iseppon AM. Importance of inositols and their derivatives in cowpea under root dehydration: An omics perspective. PHYSIOLOGIA PLANTARUM 2021; 172:441-462. [PMID: 33247842 DOI: 10.1111/ppl.13292] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Revised: 11/21/2020] [Accepted: 11/23/2020] [Indexed: 06/12/2023]
Abstract
This work presents a robust analysis of the inositols (INSs) and raffinose family oligosaccharides (RFOs) pathways, using genomic and transcriptomic tools in cowpea under root dehydration. Nineteen (~70%) of the 26 scrutinized enzymes presented transcriptional up-regulation in at least one treatment time. The transcriptional orchestration allowed categorization of the analyzed enzymes as time-independent (those showing the same regulation throughout the assay) and time-dependent (those showing different transcriptional regulation over time). It is suggested that up-regulated time-independent enzymes (INSs: myo-inositol oxygenase, inositol-tetrakisphosphate 1-kinase 3, phosphatidylinositol 4-phosphate 5-kinase 4-like, 1-phosphatidylinositol-3-phosphate 5-kinase, phosphoinositide phospholipase C, and non-specific phospholipase C; RFOs: α-galactosidase, invertase, and raffinose synthase) actively participate in the reorganization of cowpea molecular physiology under the applied stress. In turn, time-dependent enzymes, especially those up-regulated in some of the treatment times (INSs: inositol-pentakisphosphate 2-kinase, phosphatidylinositol 4-kinase, phosphatidylinositol synthase, multiple inositol polyphosphate phosphatase 1, methylmalonate-semialdehyde dehydrogenase, triosephosphate isomerase, myo-inositol-3-phosphate synthase, phosphatidylinositol 3,4,5-trisphosphate 3-phosphatase and protein-tyrosine-phosphatase, and phosphatidylinositol 3-kinase; RFOs: galactinol synthase) seem to participate in fine-tuning of the molecular physiology, helping the cowpea plants to acclimatize under dehydration stress. Not all loci encoding the studied enzymes were expressed during the assay; most of the expressed ones exhibited a variable transcriptional profile in the different treatment times. Genes of the INSs and RFOs pathways showed high orthology with analyzed Phaseoleae members, suggesting a relevant role within this legume group. Regarding the promoter regions of INSs and RFOs genes, some bona fide cis-regulatory elements were identified in association with seven transcription factor families (AP2-EFR, Dof-type, MADS-box, bZIP, CPP, ZF-HD, and GATA-type). Members of INSs and RFOs pathways potentially participate in other processes regulated by these proteins in cowpea.
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Affiliation(s)
- José R C Ferreira-Neto
- Laboratory of Molecular Genetics, Center of Biosciences, Genetics Department, Federal University of Pernambuco, Recife, Brazil
| | | | - Fabiana A Rodrigues
- Federal Institute of Education, Science and Technology of Mato Grosso do Sul, Cuiaba, Brazil
| | - Alexandre L Nepomuceno
- Brazilian Agricultural Research Corporation's-EMBRAPA Soybean, Rodovia Carlos João Strass-Distrito de Warta, Londrina, Brazil
| | - Valesca Pandolfi
- Laboratory of Plant Genetics and Biotechnology, Genetics Department, Federal University of Pernambuco, Recife, Brazil
| | | | - Ederson A Kido
- Laboratory of Molecular Genetics, Center of Biosciences, Genetics Department, Federal University of Pernambuco, Recife, Brazil
| | - Ana M Benko-Iseppon
- Laboratory of Plant Genetics and Biotechnology, Genetics Department, Federal University of Pernambuco, Recife, Brazil
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do Vale Martins L, de Oliveira Bustamante F, da Silva Oliveira AR, da Costa AF, de Lima Feitoza L, Liang Q, Zhao H, Benko-Iseppon AM, Muñoz-Amatriaín M, Pedrosa-Harand A, Jiang J, Brasileiro-Vidal AC. BAC- and oligo-FISH mapping reveals chromosome evolution among Vigna angularis, V. unguiculata, and Phaseolus vulgaris. Chromosoma 2021; 130:133-147. [PMID: 33909141 DOI: 10.1007/s00412-021-00758-9] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Revised: 02/17/2021] [Accepted: 04/05/2021] [Indexed: 01/29/2023]
Abstract
Cytogenomic resources have accelerated synteny and chromosome evolution studies in plant species, including legumes. Here, we established the first cytogenetic map of V. angularis (Va, subgenus Ceratotropis) and compared this new map with those of V. unguiculata (Vu, subgenus Vigna) and P. vulgaris (Pv) by BAC-FISH and oligopainting approaches. We mapped 19 Vu BACs and 35S rDNA probes to the 11 chromosome pairs of Va, Vu, and Pv. Vigna angularis shared a high degree of macrosynteny with Vu and Pv, with five conserved syntenic chromosomes. Additionally, we developed two oligo probes (Pv2 and Pv3) used to paint Vigna orthologous chromosomes. We confirmed two reciprocal translocations (chromosomes 2 and 3 and 1 and 8) that have occurred after the Vigna and Phaseolus divergence (~9.7 Mya). Besides, two inversions (2 and 4) and one translocation (1 and 5) have occurred after Vigna and Ceratotropis subgenera separation (~3.6 Mya). We also observed distinct oligopainting patterns for chromosomes 2 and 3 of Vigna species. Both Vigna species shared similar major rearrangements compared to Pv: one translocation (2 and 3) and one inversion (chromosome 3). The sequence synteny identified additional inversions and/or intrachromosomal translocations involving pericentromeric regions of both orthologous chromosomes. We propose chromosomes 2 and 3 as hotspots for chromosomal rearrangements and de novo centromere formation within and between Vigna and Phaseolus. Our BAC- and oligo-FISH mapping contributed to physically trace the chromosome evolution of Vigna and Phaseolus and its application in further studies of both genera.
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Affiliation(s)
| | | | | | | | | | - Qihua Liang
- Department of Soil and Crop Sciences, Colorado State University, Fort Collins, CO, USA
| | - Hainan Zhao
- Department of Plant Biology, Michigan State University, East Lansing, MI, 48824, USA
| | | | - María Muñoz-Amatriaín
- Department of Soil and Crop Sciences, Colorado State University, Fort Collins, CO, USA
| | | | - Jiming Jiang
- Department of Plant Biology, Michigan State University, East Lansing, MI, 48824, USA.,Department of Horticulture, Michigan State University, East Lansing, MI, 48824, USA
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Parker TA, Lo S, Gepts P. Pod shattering in grain legumes: emerging genetic and environment-related patterns. THE PLANT CELL 2021; 33:179-199. [PMID: 33793864 PMCID: PMC8136915 DOI: 10.1093/plcell/koaa025] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Accepted: 11/26/2020] [Indexed: 05/25/2023]
Abstract
A reduction in pod shattering is one of the main components of grain legume domestication. Despite this, many domesticated legumes suffer serious yield losses due to shattering, particularly under arid conditions. Mutations related to pod shattering modify the twisting force of pod walls or the structural strength of the dehiscence zone in pod sutures. At a molecular level, a growing body of evidence indicates that these changes are controlled by a relatively small number of key genes that have been selected in parallel across grain legume species, supporting partial molecular convergence. Legume homologs of Arabidopsis thaliana silique shattering genes play only minor roles in legume pod shattering. Most domesticated grain legume species contain multiple shattering-resistance genes, with mutants of each gene typically showing only partial shattering resistance. Hence, crosses between varieties with different genes lead to transgressive segregation of shattering alleles, producing plants with either enhanced shattering resistance or atavistic susceptibility to the trait. The frequency of these resistance pod-shattering alleles is often positively correlated with environmental aridity. The continued development of pod-shattering-related functional information will be vital for breeding crops that are suited to the increasingly arid conditions expected in the coming decades.
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Affiliation(s)
- Travis A Parker
- Department of Plant Sciences/MS1, Section of Crop & Ecosystem Sciences, University of California, 1 Shields Avenue, Davis, CA 95616-8780
| | - Sassoum Lo
- Department of Plant Sciences/MS1, Section of Crop & Ecosystem Sciences, University of California, 1 Shields Avenue, Davis, CA 95616-8780
| | - Paul Gepts
- Department of Plant Sciences/MS1, Section of Crop & Ecosystem Sciences, University of California, 1 Shields Avenue, Davis, CA 95616-8780
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Breaks of macrosynteny and collinearity among moth bean (Vigna aconitifolia), cowpea (V. unguiculata), and common bean (Phaseolus vulgaris). Chromosome Res 2020; 28:293-306. [PMID: 32654079 DOI: 10.1007/s10577-020-09635-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2020] [Revised: 06/29/2020] [Accepted: 07/01/2020] [Indexed: 10/23/2022]
Abstract
Comparative cytogenetic mapping is a powerful approach to gain insights into genome organization of orphan crops, lacking a whole sequenced genome. To investigate the cytogenomic evolution of important Vigna and Phaseolus beans, we built a BAC-FISH (fluorescent in situ hybridization of bacterial artificial chromosome) map of Vigna aconitifolia (Vac, subgenus Ceratotropis), species with no sequenced genome, and compared with V. unguiculata (Vu, subgenus Vigna) and Phaseolus vulgaris (Pv) maps. Seventeen Pv BACs, eight Vu BACs, and 5S and 35S rDNA probes were hybridized in situ on the 11 Vac chromosome pairs. Five Vac chromosomes (Vac6, Vac7, Vac9, Vac10, and Vac11) showed conserved macrosynteny and collinearity between V. unguiculata and P. vulgaris. On the other hand, we observed collinearity breaks, identified by pericentric inversions involving Vac2 (Vu2), Vac4 (Vu4), and Vac3 (Pv3). We also detected macrosynteny breaks of translocation type involving chromosomes 1 and 8 of V. aconitifolia and P. vulgaris; 2 and 3 of V. aconitifolia and P. vulgaris; and 1 and 5 of V. aconitifolia and V. unguiculata. Considering our data and previous BAC-FISH studies, six chromosomes (1, 2, 3, 4, 5, and 8) are involved in major karyotype divergences between genera and five (1, 2, 3, 4, and 5) between Vigna subgenera, including mechanisms such as duplications, inversions, and translocations. Macrosynteny breaks between Vigna and Phaseolus suggest that the major chromosomal rearrangements have occurred within the Vigna clade. Our cytogenomic comparisons bring new light on the degree of shared macrosynteny and mechanisms of karyotype diversification during Vigna and Phaseolus evolution.
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She CW, Mao Y, Jiang XH, He CP. Comparative molecular cytogenetic characterization of five wild Vigna species (Fabaceae). COMPARATIVE CYTOGENETICS 2020; 14:243-264. [PMID: 32676173 PMCID: PMC7334243 DOI: 10.3897/compcytogen.v14i2.51154] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/15/2020] [Accepted: 04/15/2020] [Indexed: 06/11/2023]
Abstract
To extend our knowledge on karyotype variation of the genus Vigna Savi, 1824, the chromosomal organization of rRNA genes and fluorochrome banding patterns of five wild Vigna species were studied. Sequential combined PI (propidium iodide) and DAPI (4',6-diamidino-2-phenylindole) (CPD) staining and fluorescence in situ hybridization (FISH) with 5S and 45S rDNA probes were used to analyze the karyotypes of V. luteola (Jacquin, 1771) Bentham, 1959, V. vexillata (Linnaeus, 1753) A. Richard, 1845, V. minima (Roxburgh, 1832) Ohwi & H. Ohashi, 1969, V. trilobata (Linnaeus, 1753) Verdcourt, 1968, and V. caracalla (Linnaeus, 1753) Verdcourt,1970. For further phylogenetic analysis, genomic in situ hybridization (GISH) with the genomic DNA of V. umbellata (Thunberg, 1794) Ohwi & H.Ohashi, 1969 onto the chromosomes of five wild Vigna species was also performed. Detailed karyotypes were established for the first time using chromosome measurements, fluorochrome bands, and rDNA-FISH signals. All species had chromosome number 2n = 2x = 22, and symmetrical karyotypes that composed of only metacentric or metacentric and submetacentric chromosomes. CPD staining revealed all 45S rDNA sites in the five species analyzed, (peri)centromeric GC-rich heterochromatin in V. luteola, V. trilobata and V. caracalla, interstitial GC-rich and pericentromeric AT-rich heterochromatin in V. caracalla. rDNA-FISH revealed two 5S loci in V. caracalla and one 5S locus in the other four species; one 45S locus in V. luteola and V. caracalla, two 45S loci in V. vexillata and V. trilobata, and five 45S loci in V. minima. The karyotypes of the studied species could be clearly distinguished by the karyotypic parameters, and the patterns of the fluorochrome bands and the rDNA sites, which revealed high interspecific variation among the five species. The V. umbellata genomic DNA probe produced weak signals in all proximal regions of V. luteola and all (peri)centromeric regions of V. trilobata. The combined data demonstrate that distinct genome differentiation has occurred among the five species during evolution. The phylogenetic relationships between the five wild species and related cultivated species of Vigna are discussed based on our present and previous molecular cytogenetic data.
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Affiliation(s)
- Chao-Wen She
- Key Laboratory of Research and Utilization of Ethnomedicinal Plant Resources of Hunan Province, Huaihua University, Huaihua, Hunan, 418008, ChinaHuaihua UniversityHuaihuaChina
- Key Laboratory of Xiangxi Medicinal Plant and Ethnobotany of Hunan Higher Education, Huaihua University, Huaihua, Hunan, 418008, ChinaHuaihua UniversityHuaihuaChina
- College of Biological and Food Engineering, Huaihua University, Huaihua, Hunan, 418008, ChinaHuaihua UniversityHuaihuaChina
| | - Ying Mao
- College of Biological and Food Engineering, Huaihua University, Huaihua, Hunan, 418008, ChinaHuaihua UniversityHuaihuaChina
| | - Xiang-Hui Jiang
- Key Laboratory of Research and Utilization of Ethnomedicinal Plant Resources of Hunan Province, Huaihua University, Huaihua, Hunan, 418008, ChinaHuaihua UniversityHuaihuaChina
- Key Laboratory of Xiangxi Medicinal Plant and Ethnobotany of Hunan Higher Education, Huaihua University, Huaihua, Hunan, 418008, ChinaHuaihua UniversityHuaihuaChina
- College of Biological and Food Engineering, Huaihua University, Huaihua, Hunan, 418008, ChinaHuaihua UniversityHuaihuaChina
| | - Chun-Ping He
- College of Chemistry and Material Engineering, Huaihua University, Huaihua, Hunan, 418008, ChinaHuaihua UniversityHuaihuaChina
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Pattanayak A, Roy S, Sood S, Iangrai B, Banerjee A, Gupta S, Joshi DC. Rice bean: a lesser known pulse with well-recognized potential. PLANTA 2019; 250:873-890. [PMID: 31134340 DOI: 10.1007/s00425-019-03196-1] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2018] [Accepted: 05/20/2019] [Indexed: 06/09/2023]
Abstract
Required genetic resources for the improvement of agronomic, nutritional and economic value of rice bean are available in the world collection. International cooperative effort is required to utilize and conserve them. Rice bean [Vigna umbellata (Thunb.) Ohwi and Ohashi], a lesser known pulse among the Asiatic Vigna, has long been considered as a food security crop of small and marginal farmers of Southeast Asia. Considered as a nutritionally rich food and fodder, it is also a source of genes for biotic and abiotic stress tolerance including drought, soil acidity and storage pest. Although it spread from its centre of domestication in the Indo-China region to other parts around the world, it never became an important crop anywhere probably because of agronomic disadvantages. Crop improvement for determinate nature, good yield, less variable seed colour, pleasant organoleptic properties and lower antinutrients is required. Scanning of scientific literature indicates that genetic resources with desirable agronomic and nutritional traits exist within the current collection but are spread across countries. Genomic studies in the species indicate that except for insect resistance and aluminium toxicity tolerance, not much attention has been paid to decipher and utilize other stress tolerance and nutritional quality traits. Collaborative efforts towards improving farming, food, trade value and off-farm conservation of rice bean would not only help marginal farmers but will also help to preserve the yet to be explored genomic resources available in this sturdy pulse.
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Affiliation(s)
- Arunava Pattanayak
- ICAR-Vivekananda Parvatiya Krishi Anusandhan Sansthan, Mall Road, Almora, Uttarakhand, 263601, India.
| | - Somnath Roy
- Central Rainfed Upland Rice Research Station, ICAR-National Rice Research Institute, Hazaribagh, Jharkhand, 825301, India
| | - Salej Sood
- ICAR-Central Potato Research Institute, Shimla, Himachal Pradesh, 171001, India
| | - Banshanlang Iangrai
- ICAR Research Complex for North Eastern Hill Region, Umiam, Meghalaya, 793103, India
| | - Amrita Banerjee
- Central Rainfed Upland Rice Research Station, ICAR-National Rice Research Institute, Hazaribagh, Jharkhand, 825301, India
| | - Sanjay Gupta
- ICAR-Indian Institute of Soybean Research, Khandwa Road, Indore, Madhya Pradesh, 452001, India
| | - Dinesh C Joshi
- ICAR-Vivekananda Parvatiya Krishi Anusandhan Sansthan, Mall Road, Almora, Uttarakhand, 263601, India
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12
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Joshi J, Saboori-Robat E, Solouki M, Mohsenpour M, Marsolais F. Distribution and possible biosynthetic pathway of non-protein sulfur amino acids in legumes. JOURNAL OF EXPERIMENTAL BOTANY 2019; 70:4115-4121. [PMID: 31231767 DOI: 10.1093/jxb/erz291] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2019] [Accepted: 06/12/2019] [Indexed: 06/09/2023]
Abstract
Some grain legumes store sulfur in the form of non-protein amino acids in seed. γ-Glutamyl-S-methylcysteine is found in Phaseolus and several Vigna species. γ-Glutamyl-S-ethenylcysteine, an antinutritional compound, is present in Vicia narbonensis. In P. vulgaris, free S-methylcysteine levels are higher at early stages of seed development followed by a decline. γ-Glutamyl-S-methylcysteine accumulates later, in two phases, with a lag during reserve accumulation. The concentration of total S-methylcysteine, quantified after acid hydrolysis, is positively regulated by sulfate nutrition. The levels of both γ-glutamyl-S-methylcysteine and γ-glutamyl-S-ethenylcysteine are modulated in response to changes in seed protein composition. A model is proposed whereby the majority of γ-glutamyl-S-methylcysteine in P. vulgaris is synthesized via the intermediate S-methylhomoglutathione. Knowledge of the biosynthesis of non-protein sulfur amino acids is required for metabolic engineering approaches, in conjunction with manipulation of the protein sink, to increase the concentration of nutritionally essential methionine and cysteine. This would improve protein quality of some important legume crops.
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Affiliation(s)
- Jaya Joshi
- Genomics and Biotechnology, London Research and Development Centre, Agriculture and Agri-Food Canada, London, Ontario, Canada
- Department of Biology, University of Western Ontario, London, Ontario, Canada
| | - Elham Saboori-Robat
- Genomics and Biotechnology, London Research and Development Centre, Agriculture and Agri-Food Canada, London, Ontario, Canada
- Department of Plant Breeding and Biotechnology, Faculty of Agriculture, University of Zabol, Zabol, Iran
| | - Mahmood Solouki
- Department of Plant Breeding and Biotechnology, Faculty of Agriculture, University of Zabol, Zabol, Iran
| | - Motahhareh Mohsenpour
- Agricultural Biotechnology Research Institute of Iran (ABRII), Agricultural Research Education and Extension Organization (AREO), Karaj, Iran
| | - Frédéric Marsolais
- Genomics and Biotechnology, London Research and Development Centre, Agriculture and Agri-Food Canada, London, Ontario, Canada
- Department of Biology, University of Western Ontario, London, Ontario, Canada
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13
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Liang Y, Zhang Y, Wen J, Su X, Ren Z. Evolutionary History of Rhus chinensis (Anacardiaceae) From the Temperate and Subtropical Zones of China Based on cpDNA and Nuclear DNA Sequences and Ecological Niche Model. Front Genet 2019; 10:171. [PMID: 30891066 PMCID: PMC6411847 DOI: 10.3389/fgene.2019.00171] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2018] [Accepted: 02/15/2019] [Indexed: 11/28/2022] Open
Abstract
To explore the origin and evolution of local flora and vegetation, we examined the evolutionary history of Rhus chinensis, which is widely distributed in China’s temperate and subtropical zones, by sequencing three maternally inherited chloroplast DNAs (cpDNA: trnL-trnF, psbA-trnH, and rbcL) and the biparentally inherited nuclear DNA (nuDNA: LEAFY) from 19 natural populations of R. chinensis as well as the ecological niche modeling. In all, 23 chloroplast haplotypes (M1–M23) and 15 nuclear alleles (N1–N15) were detected. The estimation of divergence time showed that the most recent common ancestor dated at 4.2 ± 2.5 million years ago (Mya) from cpDNA, and the initial divergence of genotypes occurred at 4.8 ± 3.6 Mya for the nuDNA. Meanwhile, the multimodality mismatch distribution curves and positive Tajima’s D values indicated that R. chinensis did not experience population expansion after the last glacial maximum. Besides, our study was also consistent with the hypothesis that most refugia in the temperate and subtropical zones of China were in situ during the glaciation.
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Affiliation(s)
- Yukang Liang
- School of Life Science, Shanxi University, Taiyuan, China
| | - Yang Zhang
- Natural History Research Center, Shanghai Natural History Museum, Branch of Shanghai Science and Technology Museum, Shanghai, China
| | - Jun Wen
- School of Life Science, Shanxi University, Taiyuan, China.,Department of Botany, National Museum of Natural History, Smithsonian Institution, Washington, DC, United States
| | - Xu Su
- Key Laboratory of Medicinal Animal and Plant Resources of the Qinghai-Tibetan Plateau in Qinghai Province, School of Life Science, Qinghai Normal University, Xining, China
| | - Zhumei Ren
- School of Life Science, Shanxi University, Taiyuan, China
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14
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Yundaeng C, Somta P, Amkul K, Kongjaimun A, Kaga A, Tomooka N. Construction of genetic linkage map and genome dissection of domestication-related traits of moth bean (Vigna aconitifolia), a legume crop of arid areas. Mol Genet Genomics 2019; 294:621-635. [PMID: 30739203 DOI: 10.1007/s00438-019-01536-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2018] [Accepted: 01/31/2019] [Indexed: 10/27/2022]
Abstract
The moth bean (Vigna aconitifolia), possibly the most primitive crop of the genus Vigna, is a highly drought- and heat-resistant legume grown in arid areas. Moth bean domestication involved phenotypic changes, including reduction of seed dormancy and pod shattering, increased organ size, and earlier flowering and maturity. However, the genetics of the domestication process in moth bean is not known. In this study, we constructed a genetic linkage map for moth bean and used the map to identify quantitative trait loci (QTL) for domestication-related traits of an F2 population of 188 individuals produced from a cross of wild moth bean (TN67) and cultivated moth bean (ICPMO056). The genetic linkage map comprised 11 linkage groups (LG) of 172 simple sequence repeat markers and spanned a total length of 1016.8 centiMorgan (cM), with an average marker distance of 7.34 cM. A comparative genome analysis showed high genome synteny between moth bean and mungbean (Vigna radiata), adzuki bean (Vigna angularis), rice bean (Vigna umbellata), and yardlong bean (Vigna unguiculata). In total, 50 QTLs and 3 genes associated with 20 domestication-related traits were identified. Most of the QTLs belonged to five LGs (1, 2, 4, 7, and 10). Key traits related to domestication such as seed dormancy and pod shattering were controlled by large-effect QTLs (PVE > 20%) with one or two minor QTLs, whereas all other traits were controlled by one-seven minor QTLs, apart from seed weight, which was controlled by one major and seven minor QTLs. These results suggest that a small number of mutations with large phenotypic effects have contributed to the domestication of the moth bean. Comparative analysis of QTLs with related Vigna crops revealed that there are several domestication-related large-effect QTLs that had not been used in moth bean domestication. This study provides a basic genetic map and identified genome regions associated with domestication-related traits, which will be useful for the genetic improvement of the moth bean and related Vigna species.
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Affiliation(s)
- Chutintorn Yundaeng
- Department of Agronomy, Faculty of Agriculture at Kampaheng Saen, Kasetsart University, Kamphaeng Saen Campus, Kamphaeng Saen, Nakhon Pathom, 73140, Thailand
| | - Prakit Somta
- Department of Agronomy, Faculty of Agriculture at Kampaheng Saen, Kasetsart University, Kamphaeng Saen Campus, Kamphaeng Saen, Nakhon Pathom, 73140, Thailand. .,Center for Agricultural Biotechnology (AG-BIO/PEDRO-CHE), Kasetsart University, Kamphaeng Saen Campus, Kamphaeng Saen, Nakhon Pathom, 73140, Thailand. .,Center of Advanced Studies for Agriculture and Food (CASAF), Kasetsart University Institute for Advanced Studies, Kasetsart University (NRU-KU), Bangkok, 10900, Thailand.
| | - Kitiya Amkul
- Department of Agronomy, Faculty of Agriculture at Kampaheng Saen, Kasetsart University, Kamphaeng Saen Campus, Kamphaeng Saen, Nakhon Pathom, 73140, Thailand.,Center of Advanced Studies for Agriculture and Food (CASAF), Kasetsart University Institute for Advanced Studies, Kasetsart University (NRU-KU), Bangkok, 10900, Thailand
| | - Alisa Kongjaimun
- Faculty of Animal Sciences and Agricultural Technology, Silpakorn University, Cha-Am, Phetchaburi, 76120, Thailand
| | - Akito Kaga
- Soybean and Field Crop Applied Genomics Research Unit, National Agriculture and Food Research Organization, 2-1-2 Kannondai, Tsukuba, Ibaraki, 305-8602, Japan
| | - Norihiko Tomooka
- Genetic Resources Center, National Agriculture and Food Research Organization, 2-1-2 Kannondai, Tsukuba, Ibaraki, 305-8602, Japan.
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15
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Jasrotia RS, Yadav PK, Iquebal MA, Bhatt SB, Arora V, Angadi UB, Tomar RS, Jaiswal S, Rai A, Kumar D. VigSatDB: genome-wide microsatellite DNA marker database of three species of Vigna for germplasm characterization and improvement. DATABASE-THE JOURNAL OF BIOLOGICAL DATABASES AND CURATION 2019; 2019:5506750. [PMID: 31147679 PMCID: PMC6542692 DOI: 10.1093/database/baz055] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/12/2019] [Revised: 03/20/2019] [Accepted: 04/05/2019] [Indexed: 11/25/2022]
Abstract
Genus Vigna represented by more than 100 species is a source of nutritious edible seeds and sprouts that are rich sources of protein and dietary supplements. It is further valuable because of therapeutic attributes due to its antioxidant and anti-diabetic properties. A highly diverse and an extremely ecological niche of different species can be valuable genomic resources for productivity enhancement. It is one of the most underutilized crops for food security and animal feeds. In spite of huge species diversity, only three species of Vigna have been sequenced; thus, there is a need for molecular markers for the remaining species. Computational approach of microsatellite marker discovery along with evaluation of polymorphism utilizing available genomic data of different genotypes can be a quick and an economical approach for genomic resource development. Cross-species transferability by e-PCR over available genomes can further prioritize the potential SSR markers, which could be used for genetic diversity and population differentiation of the remaining species saving cost and time. We present VigSatDB—the world’s first comprehensive microsatellite database of genus Vigna, containing >875 K putative microsatellite markers with 772 354 simple and 103 865 compound markers mined from six genome assemblies of three Vigna species, namely, Vigna radiata (Mung bean), Vigna angularis (Adzuki bean) and Vigna unguiculata (Cowpea). It also contains 1976 validated published markers. Markers can be selected on the basis of chromosomes/location specificity, and primers can be generated using Primer3core tool integrated at backend. Efficacy of VigSatDB for microsatellite loci genotyping has been evaluated by 15 markers over a panel of 10 diverse genotype of V. radiata. Our web genomic resources can be used in diversity analysis, population and varietal differentiation, discovery of quantitative trait loci/genes, marker-assisted varietal improvement in endeavor of Vigna crop productivity and management.
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Affiliation(s)
- Rahul Singh Jasrotia
- Sam Higginbottom University of Agriculture, Technology and Sciences, Allahabad, Uttar Pradesh, India.,Centre for Agricultural Bioinformatics, Indian Council of Agricultural Research (ICAR)-Indian Agricultural Statistics Research Institute, New Delhi , India
| | - Pramod Kumar Yadav
- Sam Higginbottom University of Agriculture, Technology and Sciences, Allahabad, Uttar Pradesh, India
| | - Mir Asif Iquebal
- Centre for Agricultural Bioinformatics, Indian Council of Agricultural Research (ICAR)-Indian Agricultural Statistics Research Institute, New Delhi , India
| | - S B Bhatt
- Department of Biochemistry and Biotechnology, Junagadh Agricultural University, Junagadh, Gujarat, India
| | - Vasu Arora
- Centre for Agricultural Bioinformatics, Indian Council of Agricultural Research (ICAR)-Indian Agricultural Statistics Research Institute, New Delhi , India
| | - U B Angadi
- Centre for Agricultural Bioinformatics, Indian Council of Agricultural Research (ICAR)-Indian Agricultural Statistics Research Institute, New Delhi , India
| | - Rukam Singh Tomar
- Department of Biochemistry and Biotechnology, Junagadh Agricultural University, Junagadh, Gujarat, India
| | - Sarika Jaiswal
- Centre for Agricultural Bioinformatics, Indian Council of Agricultural Research (ICAR)-Indian Agricultural Statistics Research Institute, New Delhi , India
| | - Anil Rai
- Centre for Agricultural Bioinformatics, Indian Council of Agricultural Research (ICAR)-Indian Agricultural Statistics Research Institute, New Delhi , India
| | - Dinesh Kumar
- Centre for Agricultural Bioinformatics, Indian Council of Agricultural Research (ICAR)-Indian Agricultural Statistics Research Institute, New Delhi , India
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16
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Levin DA, Scarpino SV. On the young age of intraspecific herbaceous taxa. THE NEW PHYTOLOGIST 2017; 213:1513-1520. [PMID: 27726173 DOI: 10.1111/nph.14224] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2016] [Accepted: 08/30/2016] [Indexed: 06/06/2023]
Abstract
Dated phylogenies rarely include the divergence times of sister intraspecific taxa, and when they do little is said about this subject. We show that over 90% of the intraspecific plant taxa found in a literature search are estimated to be 5 million yr old or younger, with only 4% of taxa estimated to be over 10 million yr old or older. A Bayesian analysis of intraspecific taxon ages indicates that indeed these taxa are expected to be < 10 million yr old. This result for the young age of intraspecific taxa is consistent with the earlier observation that post-pollination reproductive barriers develop between 5 and 10 million yr after lineage splitting, thus leading to species formation. If lineages have not graduated to the species level of divergence by 10 million yr or so, they are likely to have gone extinct by that time as a result of narrow geographical distributions, narrow niche breadths, and relatively small numbers across populations.
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Affiliation(s)
- Donald A Levin
- Department of Integrative Biology, University of Texas, Austin, TX 78713, USA
| | - Samuel V Scarpino
- Department of Mathematics & Statistics, University of Vermont, Burlington, VT 05401, USA
- Complex Systems Center, University of Vermont, Burlington, VT 05401, USA
- Santa Fe Institute, Santa Fe, NM 87501, USA
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17
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She CW, Jiang XH, Ou LJ, Liu J, Long KL, Zhang LH, Duan WT, Zhao W, Hu JC. Molecular cytogenetic characterisation and phylogenetic analysis of the seven cultivated Vigna species (Fabaceae). PLANT BIOLOGY (STUTTGART, GERMANY) 2015; 17:268-80. [PMID: 24750425 DOI: 10.1111/plb.12174] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/23/2013] [Accepted: 01/28/2014] [Indexed: 05/07/2023]
Abstract
The genomic organisation of the seven cultivated Vigna species, V. unguiculata, V. subterranea, V. angularis, V. umbellata, V. radiata, V. mungo and V. aconitifolia, was determined using sequential combined PI and DAPI (CPD) staining and dual-colour fluorescence in situ hybridisation (FISH) with 5S and 45S rDNA probes. For phylogenetic analyses, comparative genomic in situ hybridisation (cGISH) onto somatic chromosomes and sequence analysis of the internal transcribed spacer (ITS) of 45S rDNA were used. Quantitative karyotypes were established using chromosome measurements, fluorochrome bands and rDNA FISH signals. All species had symmetrical karyotypes composed of only metacentric or metacentric and submetacentric chromosomes. Distinct heterochromatin differentiation was revealed by CPD staining and DAPI counterstaining after FISH. The rDNA sites among all species differed in their number, location and size. cGISH of V. umbellata genomic DNA to the chromosomes of all species produced strong signals in all centromeric regions of V. umbellata and V. angularis, weak signals in all pericentromeric regions of V. aconitifolia, and CPD-banded proximal regions of V. mungo var. mungo. Molecular phylogenetic trees showed that V. angularis and V. umbellata were the closest relatives, and V. mungo and V. aconitifolia were relatively closely related; these species formed a group that was separated from another group comprising V. radiata, V. unguiculata ssp. sesquipedalis and V. subterranea. This result was consistent with the phylogenetic relationships inferred from the heterochromatin and cGISH patterns; thus, fluorochrome banding and cGISH are efficient tools for the phylogenetic analysis of Vigna species.
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MESH Headings
- Base Sequence
- Chromosomes, Plant/genetics
- DNA, Plant/chemistry
- DNA, Plant/genetics
- DNA, Ribosomal/chemistry
- DNA, Ribosomal/genetics
- DNA, Ribosomal Spacer/chemistry
- DNA, Ribosomal Spacer/genetics
- Fabaceae/cytology
- Fabaceae/genetics
- Genome, Plant/genetics
- In Situ Hybridization, Fluorescence
- Karyotype
- Mitosis/genetics
- Molecular Sequence Data
- Phylogeny
- Plant Leaves/cytology
- Plant Leaves/genetics
- Sequence Analysis, DNA
- Species Specificity
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Affiliation(s)
- C-W She
- Key Laboratory of Research and Utilization of Ethnomedicinal Plant Resources of Hunan Province, Huaihua University, Huaihua, China; Key Laboratory of Xiangxi Medicinal Plant and Ethnobotany of Hunan Higher Education, Huaihua University, Huaihua, China; Department of Life Sciences, Huaihua University, Huaihua, China
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18
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Kang YJ, Kim SK, Kim MY, Lestari P, Kim KH, Ha BK, Jun TH, Hwang WJ, Lee T, Lee J, Shim S, Yoon MY, Jang YE, Han KS, Taeprayoon P, Yoon N, Somta P, Tanya P, Kim KS, Gwag JG, Moon JK, Lee YH, Park BS, Bombarely A, Doyle JJ, Jackson SA, Schafleitner R, Srinives P, Varshney RK, Lee SH. Genome sequence of mungbean and insights into evolution within Vigna species. Nat Commun 2014; 5:5443. [PMID: 25384727 PMCID: PMC4241982 DOI: 10.1038/ncomms6443] [Citation(s) in RCA: 245] [Impact Index Per Article: 24.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2014] [Accepted: 09/30/2014] [Indexed: 11/29/2022] Open
Abstract
Mungbean (Vigna radiata) is a fast-growing, warm-season legume crop that is primarily cultivated in developing countries of Asia. Here we construct a draft genome sequence of mungbean to facilitate genome research into the subgenus Ceratotropis, which includes several important dietary legumes in Asia, and to enable a better understanding of the evolution of leguminous species. Based on the de novo assembly of additional wild mungbean species, the divergence of what was eventually domesticated and the sampled wild mungbean species appears to have predated domestication. Moreover, the de novo assembly of a tetraploid Vigna species (V. reflexo-pilosa var. glabra) provides genomic evidence of a recent allopolyploid event. The species tree is constructed using de novo RNA-seq assemblies of 22 accessions of 18 Vigna species and protein sets of Glycine max. The present assembly of V. radiata var. radiata will facilitate genome research and accelerate molecular breeding of the subgenus Ceratotropis.
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Affiliation(s)
- Yang Jae Kang
- Department of Plant Science and Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul 151-921, Korea
| | - Sue K. Kim
- Department of Plant Science and Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul 151-921, Korea
| | - Moon Young Kim
- Department of Plant Science and Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul 151-921, Korea
| | - Puji Lestari
- Department of Plant Science and Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul 151-921, Korea
- Indonesian Center for Agricultural Biotechnology and Genetic Resources Research and Development, IAARD, Jl. Tentara Pelajar 3A, Bogor 16111, Indonesia
| | - Kil Hyun Kim
- Upland Crop Division, National Institute of Crop Science, Rural Development Administration, Suwon 441-770, Korea
| | - Bo-Keun Ha
- Division of Plant Biotechnology, College of Agriculture and Life Science, Chonnam National University, Gwangju 500-757, Korea
| | - Tae Hwan Jun
- Department of Plant Bioscience, College of Natural Resources & Life Science, Pusan National University, Pusan 627-706, Korea
| | - Won Joo Hwang
- Department of Plant Science and Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul 151-921, Korea
| | - Taeyoung Lee
- Department of Plant Science and Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul 151-921, Korea
| | - Jayern Lee
- Department of Plant Science and Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul 151-921, Korea
| | - Sangrea Shim
- Department of Plant Science and Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul 151-921, Korea
| | - Min Young Yoon
- Department of Plant Science and Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul 151-921, Korea
| | - Young Eun Jang
- Department of Plant Science and Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul 151-921, Korea
| | - Kwang Soo Han
- Department of Plant Science and Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul 151-921, Korea
| | - Puntaree Taeprayoon
- Department of Agronomy, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University, Kamphaeng Saen Campus, Nakhon Pathom 73140, Thailand
| | - Na Yoon
- Department of Plant Science and Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul 151-921, Korea
| | - Prakit Somta
- Department of Agronomy, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University, Kamphaeng Saen Campus, Nakhon Pathom 73140, Thailand
| | - Patcharin Tanya
- Department of Agronomy, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University, Kamphaeng Saen Campus, Nakhon Pathom 73140, Thailand
| | - Kwang Soo Kim
- Department of Plant Science and Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul 151-921, Korea
| | - Jae-Gyun Gwag
- National Agrobiodiversity Center, National Academy of Agricultural Science, RDA, 88-20, Seodun-Dong, Suwon 441-707, Korea
| | - Jung-Kyung Moon
- Upland Crop Division, National Institute of Crop Science, Rural Development Administration, Suwon 441-770, Korea
| | - Yeong-Ho Lee
- Department of Plant Science and Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul 151-921, Korea
| | - Beom-Seok Park
- The Agricultural Genome Center, National Academy of Agricultural Science, Rural Development Administration, Suwon 441-707, Korea
| | - Aureliano Bombarely
- L.H. Bailey Hortorium, Department of Plant Biology, Cornell University, 412 Mann Library, Ithaca, NewYork 14853, USA
| | - Jeffrey J. Doyle
- L.H. Bailey Hortorium, Department of Plant Biology, Cornell University, 412 Mann Library, Ithaca, NewYork 14853, USA
| | - Scott A. Jackson
- Center for Applied Genetic Technologies, University of Georgia, Athens, Georgia, USA
| | - Roland Schafleitner
- Biotechnology/Molecular Breeding, AVRDC-The World Vegetable Center, 60, Yi-Min Liao, Tainan 74199, Taiwan
| | - Peerasak Srinives
- Department of Agronomy, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University, Kamphaeng Saen Campus, Nakhon Pathom 73140, Thailand
| | - Rajeev K. Varshney
- Centre of Excellence in Genomics, International Crops Research Institute for the Semi-Arid Tropics (ICRISAT), Hyderabad, Andhra Pradesh, India
| | - Suk-Ha Lee
- Department of Plant Science and Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul 151-921, Korea
- Plant Genomics and Breeding Institute, Seoul National University, Seoul 151-921, Korea
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19
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Chankaew S, Isemura T, Isobe S, Kaga A, Tomooka N, Somta P, Hirakawa H, Shirasawa K, Vaughan DA, Srinives P. Detection of genome donor species of neglected tetraploid crop Vigna reflexo-pilosa (créole bean), and genetic structure of diploid species based on newly developed EST-SSR markers from azuki bean (Vigna angularis). PLoS One 2014; 9:e104990. [PMID: 25153330 PMCID: PMC4143246 DOI: 10.1371/journal.pone.0104990] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2014] [Accepted: 07/16/2014] [Indexed: 11/18/2022] Open
Abstract
Vigna reflexo-pilosa, which includes a neglected crop, is the only one tetraploid species in genus Vigna. The ancestral species that make up this allotetraploid species have not conclusively been identified, although previous studies suggested that a donor genome of V. reflexo-pilosa is V. trinervia. In this study, 1,429 azuki bean EST-SSR markers were developed of which 38 EST-SSR primer pairs that amplified one product in diploid species and two discrete products in tetraploid species were selected to analyze 268 accessions from eight taxa of seven Asian Vigna species including V. reflexo-pilosa var. glabra, V. reflexo-pilosa var. reflexo-pilosa, V. exilis, V. hirtella, V. minima, V. radiata var. sublobata, V. tenuicaulis and V. trinervia to identify genome donor of V. reflexo-pilosa. Since both diploid and tetraploid species were analyzed and each SSR primer pair detected two loci in the tetraploid species, we separated genomes of the tetraploid species into two different diploid types, viz. A and B. In total, 445 alleles were detected by 38 EST-SSR markers. The highest gene diversity was observed in V. hirtella. By assigning the discrete PCR products of V. reflexo-pilosa into two distinguished genomes, we were able to identify the two genome donor parents of créole bean. Phylogenetic and principal coordinate analyses suggested that V. hirtella is a species complex and may be composed of at least three distinct taxa. Both analyses also clearly demonstrated that V. trinervia and one taxon of V. hirtella are the genome donors of V. reflexo-pilosa. Gene diversity indicates that the evolution rate of EST-SSRs on genome B of créole bean might be faster than that on genome A. Species relationship among the Vigna species in relation to genetic data, morphology and geographical distribution are presented.
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Affiliation(s)
- Sompong Chankaew
- Program in Plant Breeding, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University, Kamphaeng Saen, Nakhon Pathom, Thailand
| | - Takehisa Isemura
- Genetic Resources Center, National Institute of Agrobiological Sciences, Tsukuba, Ibaraki, Japan
| | - Sachiko Isobe
- Kazusa DNA Research Institute, Kisarazu, Chiba, Japan
| | - Akito Kaga
- Genetic Resources Center, National Institute of Agrobiological Sciences, Tsukuba, Ibaraki, Japan
| | - Norihiko Tomooka
- Genetic Resources Center, National Institute of Agrobiological Sciences, Tsukuba, Ibaraki, Japan
- * E-mail: (NT); (PS)
| | - Prakit Somta
- Department of Agronomy, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University, Kamphaeng Saen, Nakhon Pathom, Thailand
| | | | | | - Duncan A. Vaughan
- Genetic Resources Center, National Institute of Agrobiological Sciences, Tsukuba, Ibaraki, Japan
| | - Peerasak Srinives
- Department of Agronomy, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University, Kamphaeng Saen, Nakhon Pathom, Thailand
- * E-mail: (NT); (PS)
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20
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Messina FJ, Durham SL. Adaptation to a novel host by a seed beetle (Coleoptera: Chrysomelidae: Bruchinae): effect of source population. ENVIRONMENTAL ENTOMOLOGY 2013; 42:733-742. [PMID: 23905736 DOI: 10.1603/en13066] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Geographic populations of a widespread species can differ in their ability to adapt to a novel environment because they possess different amounts of the requisite genetic variation. We compared responses to the same novel host in ecologically and genetically divergent populations of the seed beetle Callosobruchus maculatus (F.). Populations from Africa and Asia had been derived from and maintained on different legume hosts. In preselection assays, both populations exhibited lower survival, slower development, and smaller size on a third host (adzuki bean), and the difference in performance between the ancestral and novel hosts was especially high for the African population. Replicate lines of each population were switched to adzuki bean or maintained on the ancestral host, and beetle performance was measured on both hosts after 12 generations. Survival on adzuki bean increased substantially in the adzuki-bean lines of the African population, but improved only slightly in the Asian lines. Similarly, only the African adzuki-bean lines exhibited significantly faster development on adzuki bean. Improved performance on adzuki bean did not simultaneously reduce performance on the ancestral host. Together with previous studies, these results confirm that populations of C. maculatus often possess sufficient standing genetic variation for rapid adaptation to a novel host, but the magnitude of the response may depend on the source population. Although international trade in grain legumes can expand beetle host ranges and produce unusual biotypes, the consistent absence of strong genetic trade-offs in larval performance or adult oviposition across hosts makes it unlikely that this insect would form distinct host races.
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Affiliation(s)
- Frank J Messina
- Department of Biology, Utah State University, Logan, UT 84322-5305, USA.
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Moe KT, Kwon SW, Park YJ. Trends in genomics and molecular marker systems for the development of some underutilized crops. Genes Genomics 2012. [DOI: 10.1007/s13258-012-0049-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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