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Sattler MC, de Oliveira SC, Mendonça MAC, Clarindo WR. Coffea cytogenetics: from the first karyotypes to the meeting with genomics. PLANTA 2022; 255:112. [PMID: 35501619 DOI: 10.1007/s00425-022-03898-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Accepted: 04/11/2022] [Indexed: 06/14/2023]
Abstract
Coffea karyotype organization and evolution has been uncovered by classical cytogenetics and cytogenomics. We revisit these discoveries and present new karyotype data. Coffea possesses ~ 124 species, including C. arabica and C. canephora responsible for commercial coffee production. We reviewed the Coffea cytogenetics, from the first chromosome counting, encompassing the karyotype characterization, chromosome DNA content, and mapping of chromosome portions and DNA sequences, until the integration with genomics. We also showed new data about Coffea karyotype. The 2n chromosome number evidenced the diploidy of almost all Coffea, and the C. arabica tetraploidy, as well as the polyploidy of other hybrids. Since then, other genomic similarities and divergences among the Coffea have been shown by karyotype morphology, nuclear and chromosomal C-value, AT and GC rich chromosome portions, and repetitive sequence and gene mapping. These cytogenomic data allowed us to know and understand the phylogenetic relations in Coffea, as well as their ploidy level and genomic origin, highlighting the relatively recent allopolyploidy. In addition to the euploidy, the role of the mobile elements in Coffea diversification is increasingly more evident, and the comparative analysis of their structure and distribution on the genome of different species is in the spotlight for future research. An integrative look at all these data is fundamental for a deeper understanding of Coffea karyotype evolution, including the key role of polyploidy in C. arabica origin. The 'Híbrido de Timor', a recent natural allotriploid, is also in the spotlight for its potential as a source of resistance genes and model for plant polyploidy research. Considering this, we also present some unprecedented results about the exciting evolutionary history of these polyploid Coffea.
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Affiliation(s)
- Mariana Cansian Sattler
- Laboratório de Citogenética e Citometria, Departamento de Biologia Geral, Universidade Federal de Viçosa, Viçosa, MG, ZIP 36.570-900, Brazil.
| | - Stéfanie Cristina de Oliveira
- Laboratório de Citogenética e Cultura de Tecidos Vegetais, Campus de Alegre, Universidade Federal Do Espírito Santo, Alegre, ES, ZIP 29.500-000, Brazil
| | | | - Wellington Ronildo Clarindo
- Laboratório de Citogenética e Citometria, Departamento de Biologia Geral, Universidade Federal de Viçosa, Viçosa, MG, ZIP 36.570-900, Brazil
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Tran HT, Lee LS, Furtado A, Smyth H, Henry RJ. Advances in genomics for the improvement of quality in coffee. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2016; 96:3300-3312. [PMID: 26919810 DOI: 10.1002/jsfa.7692] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2015] [Revised: 02/08/2016] [Accepted: 02/23/2016] [Indexed: 06/05/2023]
Abstract
Coffee is an important crop that provides a livelihood to millions of people living in developing countries. Production of genotypes with improved coffee quality attributes is a primary target of coffee genetic improvement programmes. Advances in genomics are providing new tools for analysis of coffee quality at the molecular level. The recent report of a genomic sequence for robusta coffee, Coffea canephora, is a major development. However, a reference genome sequence for the genetically more complex arabica coffee (C. arabica) will also be required to fully define the molecular determinants controlling quality in coffee produced from this high quality coffee species. Genes responsible for control of the levels of the major biochemical components in the coffee bean that are known to be important in determining coffee quality can now be identified by association analysis. However, the narrow genetic base of arabica coffee suggests that genomics analysis of the wild relatives of coffee (Coffea spp.) may be required to find the phenotypic diversity required for effective association genetic analysis. The genomic resources available for the study of coffee quality are described and the potential for the application of next generation sequencing and association genetic analysis to advance coffee quality research are explored. © 2016 Society of Chemical Industry.
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Affiliation(s)
- Hue Tm Tran
- Queensland Alliance for Agri culture and Food Innovation (QAAFI), The University of Queensland, St Lucia, Queensland, Australia
- Western Highlands Agriculture & Forestry Science Institute (WASI), Daklak, Vietnam
| | - L Slade Lee
- Southern Cross University, East Lismore, NSW 2480, Australia
| | - Agnelo Furtado
- Queensland Alliance for Agri culture and Food Innovation (QAAFI), The University of Queensland, St Lucia, Queensland, Australia
| | - Heather Smyth
- Queensland Alliance for Agri culture and Food Innovation (QAAFI), The University of Queensland, St Lucia, Queensland, Australia
| | - Robert J Henry
- Queensland Alliance for Agri culture and Food Innovation (QAAFI), The University of Queensland, St Lucia, Queensland, Australia
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Dereeper A, Guyot R, Tranchant-Dubreuil C, Anthony F, Argout X, de Bellis F, Combes MC, Gavory F, de Kochko A, Kudrna D, Leroy T, Poulain J, Rondeau M, Song X, Wing R, Lashermes P. BAC-end sequences analysis provides first insights into coffee (Coffea canephora P.) genome composition and evolution. PLANT MOLECULAR BIOLOGY 2013; 83:177-189. [PMID: 23708951 DOI: 10.1007/s11103-013-0077-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2012] [Accepted: 05/14/2013] [Indexed: 06/02/2023]
Abstract
Coffee is one of the world's most important agricultural commodities. Coffee belongs to the Rubiaceae family in the euasterid I clade of dicotyledonous plants, to which the Solanaceae family also belongs. Two bacterial artificial chromosome (BAC) libraries of a homozygous doubled haploid plant of Coffea canephora were constructed using two enzymes, HindIII and BstYI. A total of 134,827 high quality BAC-end sequences (BESs) were generated from the 73,728 clones of the two libraries, and 131,412 BESs were conserved for further analysis after elimination of chloroplast and mitochondrial sequences. This corresponded to almost 13 % of the estimated size of the C. canephora genome. 6.7 % of BESs contained simple sequence repeats, the most abundant (47.8 %) being mononucleotide motifs. These sequences allow the development of numerous useful marker sites. Potential transposable elements (TEs) represented 11.9 % of the full length BESs. A difference was observed between the BstYI and HindIII libraries (14.9 vs. 8.8 %). Analysis of BESs against known coding sequences of TEs indicated that 11.9 % of the genome corresponded to known repeat sequences, like for other flowering plants. The number of genes in the coffee genome was estimated at 41,973 which is probably overestimated. Comparative genome mapping revealed that microsynteny was higher between coffee and grapevine than between coffee and tomato or Arabidopsis. BESs constitute valuable resources for the first genome wide survey of coffee and provide new insights into the composition and evolution of the coffee genome.
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Affiliation(s)
- Alexis Dereeper
- Institut de Recherche pour le Développement (IRD), UMR RPB (CIRAD, IRD, UM2), BP 64501, 34394, Montpellier Cedex 5, France
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Cação SMB, Silva NV, Domingues DS, Vieira LGE, Diniz LEC, Vinecky F, Alves GSC, Andrade AC, Carpentieri-Pipolo V, Pereira LFP. Construction and characterization of a BAC library from the Coffea arabica genotype Timor Hybrid CIFC 832/2. Genetica 2013; 141:217-26. [PMID: 23677718 DOI: 10.1007/s10709-013-9720-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2012] [Accepted: 05/02/2013] [Indexed: 10/26/2022]
Abstract
Most of the world's coffee production originates from Coffea arabica, an allotetraploid species with low genetic diversity and for which few genomic resources are available. Genomic libraries with large DNA fragment inserts are useful tools for the study of plant genomes, including the production of physical maps, integration studies of physical and genetic maps, genome structure analysis and gene isolation by positional cloning. Here, we report the construction and characterization of a Bacterial Artificial Chromosome (BAC) library from C. arabica Timor Hybrid CIFC 832/2, a parental genotype for several modern coffee cultivars. The BAC library consists of 56,832 clones with an average insert size of 118 kb, which represents a dihaploid genome coverage of five to sixfold. The content of organellar DNA was estimated at 1.04 and 0.5 % for chloroplast and mitochondrial DNA, respectively. The BAC library was screened for the NADPH-dependent mannose-6-phosphate reductase gene (CaM6PR) with markers positioned on four linkage groups of a partial C. arabica genetic map. A mixed approach using PCR and membrane hybridization of BAC pools allowed for the discovery of nine BAC clones with the CaM6PR gene and 53 BAC clones that were anchored to the genetic map with simple sequence repeat markers. This library will be a useful tool for future studies on comparative genomics and the identification of genes and regulatory elements controlling major traits in this economically important crop species.
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Affiliation(s)
- S M B Cação
- Laboratory of Plant Biotechnology, Instituto Agronomico do Paraná, CP 481 Londrina, Paraná 86001-970, Brazil
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Cenci A, Combes MC, Lashermes P. Genome evolution in diploid and tetraploid Coffea species as revealed by comparative analysis of orthologous genome segments. PLANT MOLECULAR BIOLOGY 2012; 78:135-45. [PMID: 22086332 DOI: 10.1007/s11103-011-9852-3] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2011] [Accepted: 11/04/2011] [Indexed: 05/10/2023]
Abstract
Sequence comparison of orthologous regions enables estimation of the divergence between genomes, analysis of their evolution and detection of particular features of the genomes, such as sequence rearrangements and transposable elements. Despite the economic importance of Coffea species, little genomic information is currently available. Coffea is a relatively young genus that includes more than one hundred diploid species and a single tetraploid species. Three Coffea orthologous regions of 470-900 kb were analyzed and compared: both subgenomes of allotetraploid Coffea arabica (contributed by the diploid species Coffea eugenioides and Coffea canephora) and the genome of diploid C. canephora. Sequence divergence was calculated on global alignments or on coding and non-coding sequences separately. A search for transposable elements detected 43 retrotransposons and 198 transposons in the sequences analyzed. Comparative insertion analysis made it possible to locate 165 TE insertions in the phylogenetic tree of the three genomes/subgenomes. In the tetraploid C. arabica, a homoeologous non-reciprocal transposition (HNRT) was detected and characterized: a 50 kb region of the C. eugenioides derived subgenome replaced the C. canephora derived counterpart. Comparative sequence analysis on three Coffea genomes/subgenomes revealed almost perfect gene synteny, low sequence divergence and a high number of shared transposable elements. Compared to the results of similar analysis in other genera (Aegilops/Triticum and Oryza), Coffea genomes/subgenomes appeared to be dramatically less diverged, which is consistent with the relatively recent radiation of the Coffea genus. Based on nucleotide substitution frequency, the HNRT was dated at 10,000-50,000 years BP, which is also the most recent estimation of the origin of C. arabica.
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Affiliation(s)
- Alberto Cenci
- IRD-Institut de Recherche pour le Développement, UMR RPB (CIRAD, IRD, Université Montpellier II), BP 64501, Montpellier, France.
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Cenci A, Combes MC, Lashermes P. Comparative sequence analyses indicate that Coffea (Asterids) and Vitis (Rosids) derive from the same paleo-hexaploid ancestral genome. Mol Genet Genomics 2010; 283:493-501. [PMID: 20361338 DOI: 10.1007/s00438-010-0534-7] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2009] [Accepted: 03/16/2010] [Indexed: 11/30/2022]
Abstract
The complete sequence of Vitis vinifera revealed that the rosid clade derives from a hexaploid ancestor. At present, no analysis of complete genome sequence is available for an asterid, the other large eudicot clade, which includes the economically important species potato, tomato and coffee. To elucidate the genomic history of asterids, we compared the sequence of an 800 kb region of diploid Coffea genome to the orthologous regions of V. vinifera, Populus trichocarpa and Arabidopsis thaliana. We found a very high level of collinearity between around 80 genes of the three rosid species and Coffea. Collinearity comparisons between orthologous and paralogous regions indicates that (1) the Coffea (and consequently all asterids) and rosids share the same hexaploid ancestor; (2) the diploidization process (loss of duplicated and redundant copies from the whole genome duplication) was very advanced in the most recent common ancestor of rosids and asterids. Finally, no additional polyploidization events were detected in the Coffea lineage. Differences in gene loss rates were detected among the three rosid species and linked to the divergence in protein sequences.
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Affiliation(s)
- Alberto Cenci
- IRD, Institut de Recherche pour le Développement, UMR RPB (CIRAD, IRD Université Montpellier II), BP 64501, 34394, Montpellier Cedex 5, France.
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Guyot R, de la Mare M, Viader V, Hamon P, Coriton O, Bustamante-Porras J, Poncet V, Campa C, Hamon S, de Kochko A. Microcollinearity in an ethylene receptor coding gene region of the Coffea canephora genome is extensively conserved with Vitis vinifera and other distant dicotyledonous sequenced genomes. BMC PLANT BIOLOGY 2009; 9:22. [PMID: 19243618 PMCID: PMC2656508 DOI: 10.1186/1471-2229-9-22] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/25/2008] [Accepted: 02/25/2009] [Indexed: 05/11/2023]
Abstract
BACKGROUND Coffea canephora, also called Robusta, belongs to the Rubiaceae, the fourth largest angiosperm family. This diploid species (2x = 2n = 22) has a fairly small genome size of approximately 690 Mb and despite its extreme economic importance, particularly for developing countries, knowledge on the genome composition, structure and evolution remain very limited. Here, we report the 160 kb of the first C. canephora Bacterial Artificial Chromosome (BAC) clone ever sequenced and its fine analysis. RESULTS This clone contains the CcEIN4 gene, encoding an ethylene receptor, and twenty other predicted genes showing a high gene density of one gene per 7.8 kb. Most of them display perfect matches with C. canephora expressed sequence tags or show transcriptional activities through PCR amplifications on cDNA libraries. Twenty-three transposable elements, mainly Class II transposon derivatives, were identified at this locus. Most of these Class II elements are Miniature Inverted-repeat Transposable Elements (MITE) known to be closely associated with plant genes. This BAC composition gives a pattern similar to those found in gene rich regions of Solanum lycopersicum and Medicago truncatula genomes indicating that the CcEIN4 regions may belong to a gene rich region in the C. canephora genome. Comparative sequence analysis indicated an extensive conservation between C. canephora and most of the reference dicotyledonous genomes studied in this work, such as tomato (S. lycopersicum), grapevine (V. vinifera), barrel medic M. truncatula, black cottonwood (Populus trichocarpa) and Arabidopsis thaliana. The higher degree of microcollinearity was found between C. canephora and V. vinifera, which belong respectively to the Asterids and Rosids, two clades that diverged more than 114 million years ago. CONCLUSION This study provides a first glimpse of C. canephora genome composition and evolution. Our data revealed a remarkable conservation of the microcollinearity between C. canephora and V. vinifera and a high conservation with other distant dicotyledonous reference genomes. Altogether, these results provide valuable information to identify candidate genes in C. canephora genome and serve as a foundation to establish strategies for whole genome sequencing. Future large-scale sequence comparison between C. canephora and reference sequenced genomes will help in understanding the evolutionary history of dicotyledonous plants.
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Affiliation(s)
- Romain Guyot
- UMR GDP, IRD BP 64501, Centre IRD de Montpellier, BP 64501, Montpellier Cedex 5, France
| | - Marion de la Mare
- UMR DIA-PC, IRD Génomique Comparative et Fonctionnelle de l'Adaptation, Centre IRD de Montpellier, BP 64501, Montpellier Cedex 5, France
| | - Véronique Viader
- UMR DIA-PC, IRD Génomique Comparative et Fonctionnelle de l'Adaptation, Centre IRD de Montpellier, BP 64501, Montpellier Cedex 5, France
| | - Perla Hamon
- UMR DIA-PC, IRD Génomique Comparative et Fonctionnelle de l'Adaptation, Centre IRD de Montpellier, BP 64501, Montpellier Cedex 5, France
| | - Olivier Coriton
- UMR 118, INRA Agrocampus Rennes Amélioration des Plantes, Domaine de la Motte – BP 35327, 35650 Le Rheu cedex, France
| | - José Bustamante-Porras
- UMR DIA-PC, IRD Génomique Comparative et Fonctionnelle de l'Adaptation, Centre IRD de Montpellier, BP 64501, Montpellier Cedex 5, France
| | - Valérie Poncet
- UMR DIA-PC, IRD Génomique Comparative et Fonctionnelle de l'Adaptation, Centre IRD de Montpellier, BP 64501, Montpellier Cedex 5, France
| | - Claudine Campa
- UMR DIA-PC, IRD Génomique Comparative et Fonctionnelle de l'Adaptation, Centre IRD de Montpellier, BP 64501, Montpellier Cedex 5, France
| | - Serge Hamon
- UMR DIA-PC, IRD Génomique Comparative et Fonctionnelle de l'Adaptation, Centre IRD de Montpellier, BP 64501, Montpellier Cedex 5, France
| | - Alexandre de Kochko
- UMR DIA-PC, IRD Génomique Comparative et Fonctionnelle de l'Adaptation, Centre IRD de Montpellier, BP 64501, Montpellier Cedex 5, France
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Jung S, Jiwan D, Cho I, Lee T, Abbott A, Sosinski B, Main D. Synteny of Prunus and other model plant species. BMC Genomics 2009; 10:76. [PMID: 19208249 PMCID: PMC2647949 DOI: 10.1186/1471-2164-10-76] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2008] [Accepted: 02/10/2009] [Indexed: 01/09/2023] Open
Abstract
Background Fragmentary conservation of synteny has been reported between map-anchored Prunus sequences and Arabidopsis. With the availability of genome sequence for fellow rosid I members Populus and Medicago, we analyzed the synteny between Prunus and the three model genomes. Eight Prunus BAC sequences and map-anchored Prunus sequences were used in the comparison. Results We found a well conserved synteny across the Prunus species – peach, plum, and apricot – and Populus using a set of homologous Prunus BACs. Conversely, we could not detect any synteny with Arabidopsis in this region. Other peach BACs also showed extensive synteny with Populus. The syntenic regions detected were up to 477 kb in Populus. Two syntenic regions between Arabidopsis and these BACs were much shorter, around 10 kb. We also found syntenic regions that are conserved between the Prunus BACs and Medicago. The array of synteny corresponded with the proposed whole genome duplication events in Populus and Medicago. Using map-anchored Prunus sequences, we detected many syntenic blocks with several gene pairs between Prunus and Populus or Arabidopsis. We observed a more complex network of synteny between Prunus-Arabidopsis, indicative of multiple genome duplication and subsequence gene loss in Arabidopsis. Conclusion Our result shows the striking microsynteny between the Prunus BACs and the genome of Populus and Medicago. In macrosynteny analysis, more distinct Prunus regions were syntenic to Populus than to Arabidopsis.
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Affiliation(s)
- Sook Jung
- Department of Horticulture and Landscape Architecture, Washington State University, Pullman, WA 99164, USA.
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Clarindo WR, Carvalho CR. Comparison of the Coffea canephora and C. arabica karyotype based on chromosomal DNA content. PLANT CELL REPORTS 2009; 28:73-81. [PMID: 18841372 DOI: 10.1007/s00299-008-0621-y] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2008] [Revised: 09/22/2008] [Accepted: 09/22/2008] [Indexed: 05/26/2023]
Abstract
Nuclear genome size has been measured in various plants, seeing that knowledge of the DNA content is useful for taxonomic and evolutive studies, plant breeding programs and genome sequencing projects. Besides the nuclear DNA content, tools and protocols to quantify the chromosomal DNA content have been also applied, expanding the data about genomic structure. This study was conducted in order to calculate the Coffea canephora and Coffea arabica chromosomal DNA content, associating cytogenetic methodologies with flow cytometry (FCM) and image cytometry (ICM) tools. FCM analysis showed that the mean nuclear DNA content of C. canephora and C. arabica is 2C = 1.41 and 2.62 pg, respectively. The cytogenetic methodology provided prometaphase and metaphase cells exhibiting adequate chromosomes for the ICM measurements and karyogram assembly. Based on cytogenetic, FCM and ICM results; it was possible to calculate the chromosomal DNA content of the two species. The 1C chromosomal DNA content of C. canephora ranged from 0.09 (chromosome 1) to 0.05 pg (chromosome 11) and C. arabica from 0.09 (chromosome 1) to 0.03 pg (chromosome 22). The methodology presented in this study was suitable for DNA content measuring of each chromosome of C. canephora and C. arabica. The cytogenetic characterization and chromosomal DNA content analyses evidenced that C. arabica is a true allotetraploid originated from a cross between Coffea diploid species. Besides, the same analyses also reinforce that C. canephora is a possible progenitor of C. arabica.
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Deleu W, González V, Monfort A, Bendahmane A, Puigdomènech P, Arús P, Garcia-Mas J. Structure of two melon regions reveals high microsynteny with sequenced plant species. Mol Genet Genomics 2007; 278:611-22. [PMID: 17665215 DOI: 10.1007/s00438-007-0277-2] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2007] [Revised: 07/04/2007] [Accepted: 07/06/2007] [Indexed: 01/23/2023]
Abstract
In this study, two melon bacterial artificial chromosome (BAC) clones have been sequenced and annotated. BAC 1-21-10 spans 92 kb and contains the nsv locus conferring resistance to the Melon Necrotic Spot Virus (MNSV) in melon linkage group 11. BAC 13J4 spans 98 kb and belongs to a BAC contig containing resistance gene homologues, extending a previous sequenced region of 117 kb in linkage group 4. Both regions have microsyntenic relationships to the model plant species Arabidopsis thaliana, and to Medicago truncatula and Populus trichocarpa. The network of synteny found between melon and each of the sequenced genomes reflects the polyploid structure of Arabidopsis, Populus, and Medicago genomes due to whole genome duplications (WGD). A detailed analysis revealed that both melon regions have a lower relative syntenic quality with Arabidopsis (eurosid II) than when compared to Populus and Medicago (eurosid I). Although phylogenetically Cucurbitales seem to be closer to Fabales than to Malphigiales, synteny was higher between both melon regions and Populus. Presented data imply that the recently completed Populus genome sequence could preferentially be used to obtain positional information in melon, based on microsynteny.
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Affiliation(s)
- Wim Deleu
- IRTA, Centre de Recerca en Agrigenòmica CSIC-IRTA-UAB, Carretera de Cabrils Km2, 08348 Cabrils, Barcelona, Spain
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