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Alicandri E, Paolacci AR, Catarcione G, Del Lungo A, Iacoponi V, Pati F, Scarascia Mugnozza G, Ciaffi M. Morphological, Molecular, and Nutritional Characterisation of the Globe Artichoke Landrace "Carciofo Ortano". PLANTS (BASEL, SWITZERLAND) 2023; 12:plants12091844. [PMID: 37176903 PMCID: PMC10180589 DOI: 10.3390/plants12091844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 04/24/2023] [Accepted: 04/25/2023] [Indexed: 05/15/2023]
Abstract
The present study focused on the molecular, morphological, and nutritional characterisation of a globe artichoke landrace at risk of genetic erosion still cultivated in the municipality of Orte (Lazio Region, Central Italy) and therefore named "Carciofo Ortano". Molecular analysis based on SSR and ISSR markers was carried out on 73 genotypes selected at random from 20 smallholdings located in the Orte countryside and 17 accessions of landraces/clones belonging to the main varietal types cultivated in Italy. The results confirmed that "Carciofo Ortano" belongs to the "Romanesco" varietal typology and revealed the presence within the landrace of two distinct genetic populations named Orte 1 and Orte 2. Despite the high level of within-population genetic variation detected, the two populations were genetically differentiated from each other and from the landraces/clones of the main varietal types cultivated in Italy. Morphological and nutritional characterisation was performed on representative genotypes for each of the two populations of the "Carciofo Ortano" and the four landraces/clones included in the varietal platform of the PGI "CARCIOFO ROMANESCO DEL LAZIO" used as reference genotypes ("Campagnano", "Castellammare", "C3", and "Grato 1"). Principal component analysis showed that, of the 43 morphological descriptors considered, 12, including plant height, head shape index, head yield, and earliness, allowed a clear grouping of genotypes, distinguishing Orte 1 and Orte 2 populations from the reference genotypes. Regarding the nutritional composition of heads, particular attention should be devoted to the Orte 2 genotypes for their high dietary fibre, inulin, flavonoid, and phenol content, a feature that could be highly appreciated by the market.
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Affiliation(s)
- Enrica Alicandri
- Dipartimento per la Innovazione nei Sistemi Biologici, Agroalimentari e Forestali (DIBAF), Università degli Studi della Tuscia, Via San Camillo de Lellis, 01100 Viterbo, Italy
| | - Anna Rita Paolacci
- Dipartimento per la Innovazione nei Sistemi Biologici, Agroalimentari e Forestali (DIBAF), Università degli Studi della Tuscia, Via San Camillo de Lellis, 01100 Viterbo, Italy
| | - Giulio Catarcione
- Dipartimento per la Innovazione nei Sistemi Biologici, Agroalimentari e Forestali (DIBAF), Università degli Studi della Tuscia, Via San Camillo de Lellis, 01100 Viterbo, Italy
| | - Alberto Del Lungo
- Dipartimento per la Innovazione nei Sistemi Biologici, Agroalimentari e Forestali (DIBAF), Università degli Studi della Tuscia, Via San Camillo de Lellis, 01100 Viterbo, Italy
| | - Valentina Iacoponi
- Agenzia Regionale per lo Sviluppo e l'Innovazione dell'Agricoltura del Lazio (ARSIAL), Via Rodolfo Lanciani, 38, 00162 Rome, Italy
| | - Francesco Pati
- Agenzia Regionale per lo Sviluppo e l'Innovazione dell'Agricoltura del Lazio (ARSIAL), Via Rodolfo Lanciani, 38, 00162 Rome, Italy
| | - Giuseppe Scarascia Mugnozza
- Dipartimento per la Innovazione nei Sistemi Biologici, Agroalimentari e Forestali (DIBAF), Università degli Studi della Tuscia, Via San Camillo de Lellis, 01100 Viterbo, Italy
| | - Mario Ciaffi
- Dipartimento per la Innovazione nei Sistemi Biologici, Agroalimentari e Forestali (DIBAF), Università degli Studi della Tuscia, Via San Camillo de Lellis, 01100 Viterbo, Italy
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Genome reconstruction in Cynara cardunculus taxa gains access to chromosome-scale DNA variation. Sci Rep 2017; 7:5617. [PMID: 28717205 PMCID: PMC5514137 DOI: 10.1038/s41598-017-05085-7] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2016] [Accepted: 05/24/2017] [Indexed: 11/12/2022] Open
Abstract
The genome sequence of globe artichoke (Cynara cardunculus L. var. scolymus, 2n = 2x = 34) is now available for use. A survey of C. cardunculus genetic resources is essential for understanding the evolution of the species, carrying out genetic studies and for application of breeding strategies. We report on the resequencing analyses (~35×) of four globe artichoke genotypes, representative of the core varietal types, as well as a genotype of the related taxa cultivated cardoon. The genomes were reconstructed at a chromosomal scale and structurally/functionally annotated. Gene prediction indicated a similar number of genes, while distinctive variations in miRNAs and resistance gene analogues (RGAs) were detected. Overall, 23,5 M SNP/indel were discovered (range 6,34 M –14,50 M). The impact of some missense SNPs on the biological functions of genes involved in the biosynthesis of phenylpropanoid and sesquiterpene lactone secondary metabolites was predicted. The identified variants contribute to infer on globe artichoke domestication of the different varietal types, and represent key tools for dissecting the path from sequence variation to phenotype. The new genomic sequences are fully searchable through independent Jbrowse interfaces (www.artichokegenome.unito.it), which allow the analysis of collinearity and the discovery of genomic variants, thus representing a one-stop resource for C. cardunculus genomics.
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Genetic diversity and accession structure in European Cynara cardunculus collections. PLoS One 2017; 12:e0178770. [PMID: 28570688 PMCID: PMC5453587 DOI: 10.1371/journal.pone.0178770] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2017] [Accepted: 05/18/2017] [Indexed: 11/19/2022] Open
Abstract
Understanding the distribution of genetic variations and accession structures is an important factor for managing genetic resources, but also for using proper germplasm in association map analyses and breeding programs. The globe artichoke is the fourth most important horticultural crop in Europe. Here, we report the results of a molecular analysis of a collection including globe artichoke and leafy cardoon germplasm present in the Italian, French and Spanish gene banks. The aims of this study were to: (i) assess the diversity present in European collections, (ii) determine the population structure, (iii) measure the genetic distance between accessions; (iv) cluster the accessions; (v) properly distinguish accessions present in the different national collections carrying the same name; and (vi) understand the diversity distribution in relation to the gene bank and the geographic origin of the germplasm. A total of 556 individuals grouped into 174 accessions of distinct typologies were analyzed by different types of molecular markers, i.e. dominant (ISSR and AFLP) and co-dominant (SSR). The data of the two crops (globe artichoke and leafy cardoon) were analyzed jointly and separately to compute, among other aims, the gene diversity, heterozygosity (He, Ho), fixation indexes, AMOVA, genetic distance and structure. The findings underline the huge diversity present in the analyzed material, and the existence of alleles that are able to discriminate among accessions. The accessions were clustered not only on the basis of their typology, but also on the basis of the gene bank they come from. Probably, the environmental conditions of the different field gene banks affected germplasm conservation. These outcomes will be useful in plant breeding to select accessions and to fingerprint varieties. Moreover, the results highlight the particular attention that should be paid to the method used to conserve the Cynara cardunculus germplasm and suggest to the preference of using accessions from different gene banks to run an association map.
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A Genome-Wide Survey of the Microsatellite Content of the Globe Artichoke Genome and the Development of a Web-Based Database. PLoS One 2016; 11:e0162841. [PMID: 27648830 PMCID: PMC5029897 DOI: 10.1371/journal.pone.0162841] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2016] [Accepted: 08/29/2016] [Indexed: 11/19/2022] Open
Abstract
The recently acquired genome sequence of globe artichoke (Cynara cardunculus var. scolymus) has been used to catalog the genome’s content of simple sequence repeat (SSR) markers. More than 177,000 perfect SSRs were revealed, equivalent to an overall density across the genome of 244.5 SSRs/Mbp, but some 224,000 imperfect SSRs were also identified. About 21% of these SSRs were complex (two stretches of repeats separated by <100 nt). Some 73% of the SSRs were composed of dinucleotide motifs. The SSRs were categorized for the numbers of repeats present, their overall length and were allocated to their linkage group. A total of 4,761 perfect and 6,583 imperfect SSRs were present in 3,781 genes (14.11% of the total), corresponding to an overall density across the gene space of 32,5 and 44,9 SSRs/Mbp for perfect and imperfect motifs, respectively. A putative function has been assigned, using the gene ontology approach, to the set of genes harboring at least one SSR. The same search parameters were applied to reveal the SSR content of 14 other plant species for which genome sequence is available. Certain species-specific SSR motifs were identified, along with a hexa-nucleotide motif shared only with the other two Compositae species (sunflower (Helianthus annuus) and horseweed (Conyza canadensis)) included in the study. Finally, a database, called “Cynara cardunculus MicroSatellite DataBase” (CyMSatDB) was developed to provide a searchable interface to the SSR data. CyMSatDB facilitates the retrieval of SSR markers, as well as suggested forward and reverse primers, on the basis of genomic location, genomic vs genic context, perfect vs imperfect repeat, motif type, motif sequence and repeat number. The SSR markers were validated via an in silico based PCR analysis adopting two available assembled transcriptomes, derived from contrasting globe artichoke accessions, as templates.
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Differentiation of Wild Cardoon Quality Used in the Elaboration of Traditional Cheeses by DNA Typing Analytical Methods. FOOD ANAL METHOD 2015. [DOI: 10.1007/s12161-014-9889-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Durazzo A, Foddai MS, Temperini A, Azzini E, Venneria E, Lucarini M, Finotti E, Maiani G, Crinò P, Saccardo F, Maiani G. Antioxidant Properties of Seeds from Lines of Artichoke, Cultivated Cardoon and Wild Cardoon. Antioxidants (Basel) 2013; 2:52-61. [PMID: 26787623 PMCID: PMC4665403 DOI: 10.3390/antiox2020052] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2013] [Revised: 06/05/2013] [Accepted: 06/06/2013] [Indexed: 11/23/2022] Open
Abstract
The artichoke (Cynara cardunculus L. subsp. scolymus L.), the cultivated cardoon (Cynara cardunculus var. altilis DC.) and the wild cardoon (Cynara cardunculus var. sylvestris L.) are species widely distributed in the Mediterranean area. The aim of this research was to evaluate the antioxidant properties of seeds from lines of artichoke and cultivated and wild cardoon in both aqueous-organic extracts and their residues by FRAP (Ferric Reducing Antioxidant Power) and TEAC (Trolox Equivalent Antioxidant Capacity) evaluations. Both artichoke and cardoon seeds are a good source of antioxidants. Among artichoke seeds, hydrolysable polyphenols contribution to antioxidant properties ranged from 41% to 78% for FRAP values and from 17% to 37% for TEAC values. No difference between cultivated and wild cardoon in antioxidant properties are reported. Our results could provide information about the potential industrial use and application of artichoke and/or cardoon seeds.
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Affiliation(s)
- Alessandra Durazzo
- CRA-Ex INRAN (National Research Institute on Food and Nutrition), Via Ardeatina 546, Rome 00178, Italy.
| | - Maria Stella Foddai
- CRA-Ex INRAN (National Research Institute on Food and Nutrition), Via Ardeatina 546, Rome 00178, Italy.
| | - Andrea Temperini
- Department of Science and Technologies for Agriculture, Forestry, Nature and Energy (DAFNE), Tuscia University, Via San Camillo De Lellis snc, Viterbo 01100, Italy.
| | - Elena Azzini
- CRA-Ex INRAN (National Research Institute on Food and Nutrition), Via Ardeatina 546, Rome 00178, Italy.
| | - Eugenia Venneria
- CRA-Ex INRAN (National Research Institute on Food and Nutrition), Via Ardeatina 546, Rome 00178, Italy.
| | - Massimo Lucarini
- CRA-Ex INRAN (National Research Institute on Food and Nutrition), Via Ardeatina 546, Rome 00178, Italy.
| | - Enrico Finotti
- CRA-Ex INRAN (National Research Institute on Food and Nutrition), Via Ardeatina 546, Rome 00178, Italy.
| | - Gianluca Maiani
- CRA-Ex INRAN (National Research Institute on Food and Nutrition), Via Ardeatina 546, Rome 00178, Italy.
| | - Paola Crinò
- Technical Unit for Sustainable Development and Innovation of Agro-Industrial System (UTAGRI), ENEA, Casaccia C.R., Via Anguillarese 301, Rome 00123, Italy.
| | - Francesco Saccardo
- Department of Science and Technologies for Agriculture, Forestry, Nature and Energy (DAFNE), Tuscia University, Via San Camillo De Lellis snc, Viterbo 01100, Italy.
| | - Giuseppe Maiani
- CRA-Ex INRAN (National Research Institute on Food and Nutrition), Via Ardeatina 546, Rome 00178, Italy.
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Korir NK, Han J, Shangguan L, Wang C, Kayesh E, Zhang Y, Fang J. Plant variety and cultivar identification: advances and prospects. Crit Rev Biotechnol 2012; 33:111-25. [PMID: 22698516 DOI: 10.3109/07388551.2012.675314] [Citation(s) in RCA: 60] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Plant variety and cultivar identification is one of the most important aspects in agricultural systems. The large number of varieties or landraces among crop plants has made it difficult to identify and characterize varieties solely on the basis of morphological characters because they are non stable and originate due to environmental and climatic conditions, and therefore phenotypic plasticity is an outcome of adaptation. To mitigate this, scientists have developed and employed molecular markers, statistical tests and software to identify and characterize the required plant cultivars or varieties for cultivation, breeding programs as well as for cultivar-right-protection. The establishment of genome and transcriptome sequencing projects for many crops has led to generation of a huge wealth of sequence information that could find much use in identification of plants and their varieties. We review the current status of plant variety and cultivar identification, where an attempt has been made to describe the different strategies available for plant identification. We have found that despite the availability of methods and suitable markers for a wide range of crops, there is dearth of simple ways of making both morphological descriptors and molecular markers easy, referable and practical to use although there are ongoing attempts at making this possible. Certain limitations present a number of challenges for the development and utilization of modern scientific methods in variety or cultivar identification in many important crops.
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Affiliation(s)
- Nicholas Kibet Korir
- College of Horticulture, Nanjing Agricultural University, Weigang, Nanjing, China
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Genetic mapping and identification of QTL for earliness in the globe artichoke/cultivated cardoon complex. BMC Res Notes 2012; 5:252. [PMID: 22621324 PMCID: PMC3434057 DOI: 10.1186/1756-0500-5-252] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2012] [Accepted: 05/10/2012] [Indexed: 11/18/2022] Open
Abstract
Background The Asteraceae species Cynara cardunculus (2n = 2x = 34) includes the two fully cross-compatible domesticated taxa globe artichoke (var. scolymus L.) and cultivated cardoon (var. altilis DC). As both are out-pollinators and suffer from marked inbreeding depression, linkage analysis has focussed on the use of a two way pseudo-test cross approach. Results A set of 172 microsatellite (SSR) loci derived from expressed sequence tag DNA sequence were integrated into the reference C. cardunculus genetic maps, based on segregation among the F1 progeny of a cross between a globe artichoke and a cultivated cardoon. The resulting maps each detected 17 major linkage groups, corresponding to the species’ haploid chromosome number. A consensus map based on 66 co-dominant shared loci (64 SSRs and two SNPs) assembled 694 loci, with a mean inter-marker spacing of 2.5 cM. When the maps were used to elucidate the pattern of inheritance of head production earliness, a key commercial trait, seven regions were shown to harbour relevant quantitative trait loci (QTL). Together, these QTL accounted for up to 74% of the overall phenotypic variance. Conclusion The newly developed consensus as well as the parental genetic maps can accelerate the process of tagging and eventually isolating the genes underlying earliness in both the domesticated C. cardunculus forms. The largest single effect mapped to the same linkage group in each parental maps, and explained about one half of the phenotypic variance, thus representing a good candidate for marker assisted selection.
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Hernández A, Aranda E, Martín A, Benito MJ, Bartolomé T, de Gúa Córdoba M. Efficiency of DNA typing methods for detection of smoked paprika "pimenton de la vera" adulteration used in the elaboration of dry-cured Iberian pork sausages. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2010; 58:11688-11694. [PMID: 20958044 DOI: 10.1021/jf102414q] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
The purpose of this work was to develop a PCR method for the identification of smoked paprika "Pimentón de la Vera" adulteration with paprika elaborated from varieties of pepper foreign to the la Vera region, in central western Spain. Three autochthonous varieties of pepper, Jaranda, Jariza, and Bola, and the varieties Papri Queen, Papri King, Sonora, PS9794, and Papri Ace, foreign to the La Vera region, were used in the study. Analyses of the ITS and 5.8S rDNA, RAPD-PCR, SSR, and ISSR were tested. RAPD-PCR, SSR, and ISSR analyses allowed differentiation among the varieties of paprika analyzed. There was no difference in the sequence of ITS1-5.8S rDNA-ITS2. In addition, with the RAPD-PCR primers S13 and S22, two molecular markers were obtained of 641 and 704 bp, respectively, which allowed all of the smoked paprika varieties to be differentiated from paprikas elaborated with the five foreign varieties. These two molecular markers were investigated as a basis for detecting the adulteration of smoked paprika with paprika elaborated from foreign varieties of pepper.
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Affiliation(s)
- Alejandro Hernández
- Nutrición y Bromatología, Escuela de Ingenieńas Agrarias, University ofExtremadura, Ctra. de Cáceres s/n, 06071 Badajoz, Spain
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Portis E, Mauromicale G, Mauro R, Acquadro A, Scaglione D, Lanteri S. Construction of a reference molecular linkage map of globe artichoke (Cynara cardunculus var. scolymus). TAG. THEORETICAL AND APPLIED GENETICS. THEORETISCHE UND ANGEWANDTE GENETIK 2009; 120:59-70. [PMID: 19787331 DOI: 10.1007/s00122-009-1159-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2009] [Accepted: 09/11/2009] [Indexed: 05/07/2023]
Abstract
The genome organization of globe artichoke (Cynara cardunculus var. scolymus), unlike other species belonging to Asteraceae (=Compositae) family (i.e. sunflower, lettuce and chicory), remains largely unexplored. The species is highly heterozygous and suffers marked inbreeding depression when forced to self-fertilize. Thus a two-way pseudo-testcross represents the optimal strategy for linkage analysis. Here, we report linkage maps based on the progeny of a cross between globe artichoke (C. cardunculus var. scolymus) and cultivated cardoon (C. cardunculus var. altilis). The population was genotyped using a variety of PCR-based marker platforms, resulting in the identification of 708 testcross markers suitable for map construction. The male map consisted of 177 loci arranged in 17 major linkage groups, spanning 1,015.5 cM, while female map was built with 326 loci arranged into 20 major linkage groups, spanning 1,486.8 cM. The presence of 84 loci shared between these maps and those previously developed from a cross within globe artichoke allowed for map alignment and the definition of 17 homologous linkage groups, corresponding to the haploid number of the species. This will provide a favourable property for QTL scanning; furthermore, as 25 mapped markers (8%) correspond to coding regions, it has an additional value as functional map and might represent an important genetic tool for candidate gene studies in globe artichoke.
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Affiliation(s)
- E Portis
- DIVAPRA Plant Genetics and Breeding, University of Torino, via L. da Vinci 44, 10095, Grugliasco (Turin), Italy
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Scaglione D, Acquadro A, Portis E, Taylor CA, Lanteri S, Knapp SJ. Ontology and diversity of transcript-associated microsatellites mined from a globe artichoke EST database. BMC Genomics 2009; 10:454. [PMID: 19785740 PMCID: PMC2760586 DOI: 10.1186/1471-2164-10-454] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2009] [Accepted: 09/28/2009] [Indexed: 12/02/2022] Open
Abstract
Background The globe artichoke (Cynara cardunculus var. scolymus L.) is a significant crop in the Mediterranean basin. Despite its commercial importance and its both dietary and pharmaceutical value, knowledge of its genetics and genomics remains scant. Microsatellite markers have become a key tool in genetic and genomic analysis, and we have exploited recently acquired EST (expressed sequence tag) sequence data (Composite Genome Project - CGP) to develop an extensive set of microsatellite markers. Results A unigene assembly was created from over 36,000 globe artichoke EST sequences, containing 6,621 contigs and 12,434 singletons. Over 12,000 of these unigenes were functionally assigned on the basis of homology with Arabidopsis thaliana reference proteins. A total of 4,219 perfect repeats, located within 3,308 unigenes was identified and the gene ontology (GO) analysis highlighted some GO term's enrichments among different classes of microsatellites with respect to their position. Sufficient flanking sequence was available to enable the design of primers to amplify 2,311 of these microsatellites, and a set of 300 was tested against a DNA panel derived from 28 C. cardunculus genotypes. Consistent amplification and polymorphism was obtained from 236 of these assays. Their polymorphic information content (PIC) ranged from 0.04 to 0.90 (mean 0.66). Between 176 and 198 of the assays were informative in at least one of the three available mapping populations. Conclusion EST-based microsatellites have provided a large set of de novo genetic markers, which show significant amounts of polymorphism both between and within the three taxa of C. cardunculus. They are thus well suited as assays for phylogenetic analysis, the construction of genetic maps, marker-assisted breeding, transcript mapping and other genomic applications in the species.
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Affiliation(s)
- Davide Scaglione
- DiVaPRA Plant Genetics and Breeding, University of Torino, via L, da Vinci 44, 10095 Grugliasco, Torino, Italy.
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Acquadro A, Lanteri S, Scaglione D, Arens P, Vosman B, Portis E. Genetic mapping and annotation of genomic microsatellites isolated from globe artichoke. TAG. THEORETICAL AND APPLIED GENETICS. THEORETISCHE UND ANGEWANDTE GENETIK 2009; 118:1573-87. [PMID: 19326092 DOI: 10.1007/s00122-009-1005-6] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/06/2008] [Accepted: 03/08/2009] [Indexed: 05/14/2023]
Abstract
Cynara cardunculus includes three taxa, the globe artichoke (subsp. scolymus L. Hegi), the cultivated cardoon (var. altilis) and their progenitor, the wild cardoon (var. sylvestris). Globe artichoke is an important component of the Mediterranean rural economy, but its improvement through breeding has been rather limited and its genome organization remains largely unexplored. Here, we report the isolation of 61 new microsatellite loci which amplified a total of 208 alleles in a panel of 22 C. cardunculus genotypes. Of these, 51 were informative for linkage analysis and 39 were used to increase marker density in the available globe artichoke genetic maps. Sequence analysis of the 22 loci associated with genes showed that 9 are located within coding sequence, with the repetitive domain probably being involved in DNA binding or in protein-protein interactions. The expression of the genes associated with 9 of the 22 microsatellite loci was demonstrated by RT-PCR.
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Affiliation(s)
- Alberto Acquadro
- Di.Va.P.R.A. Plant Genetics and Breeding, University of Turin, via L. da Vinci 44, 10095, Grugliasco, Turin, Italy
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Acquadro A, Falvo S, Mila S, Giuliano Albo A, Comino C, Moglia A, Lanteri S. Proteomics in globe artichoke: Protein extraction and sample complexity reduction by PEG fractionation. Electrophoresis 2009; 30:1594-602. [DOI: 10.1002/elps.200800549] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Isolation and characterization of microsatellite markers from Hibiscus rosa-sinensis (Malvaceae) and cross-species amplifications. CONSERV GENET 2008. [DOI: 10.1007/s10592-008-9659-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Acquadro A, Portis E, Moglia A, Magurno F, Lanteri S. Retrotransposon-based S-SAP as a platform for the analysis of genetic variation and linkage in globe artichoke. Genome 2006; 49:1149-59. [PMID: 17110995 DOI: 10.1139/g06-074] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
A high copy number of retrotransposon sequences are present and widely dispersed in plant genomes. Their activity generates a considerable degree of sequence polymorphism. Here, we report the cloning of CYRE-5, a long-terminal repeat carrying retrotransposon-like sequence in Cynara cardunculus L., and its exploitation to develop a DNA fingerprinting assay across 22 accessions, including both cultivated (globe artichoke and cultivated cardoon) and wild (wild cardoon) types. The effectiveness of the sequence-specific amplified polymorphism (S-SAP) platform is compared with that of amplified fragment length polymorphism (AFLP). A genetic linkage analysis, based on a hybrid population between 2 globe artichoke varietal types, resulted in the inclusion of 29 S-SAP loci in the core genetic map, confirming their dispersed distribution across the globe artichoke genome.
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Affiliation(s)
- Alberto Acquadro
- Di.Va.P.R.A. Plant Genetics and Breeding, University of Turin, via L. da Vinci 44, I-10095 Grugliasco (Turin), Italy
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Lanteri S, Acquadro A, Comino C, Mauro R, Mauromicale G, Portis E. A first linkage map of globe artichoke (Cynara cardunculus var. scolymus L.) based on AFLP, S-SAP, M-AFLP and microsatellite markers. TAG. THEORETICAL AND APPLIED GENETICS. THEORETISCHE UND ANGEWANDTE GENETIK 2006; 112:1532-42. [PMID: 16565844 DOI: 10.1007/s00122-006-0256-8] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/26/2006] [Accepted: 03/01/2006] [Indexed: 05/07/2023]
Abstract
We present the first genetic maps of globe artichoke (Cynara cardunculus var. scolymus L. 2n=2x=34), constructed with a two-way pseudo-testcross strategy. A F1 mapping population of 94 individuals was generated between a late-maturing, non-spiny type and an early-maturing spiny type. The 30 AFLP, 13 M-AFLP and 9 S-SAP primer combinations chosen identified, respectively, 352, 38 and 41 polymorphic markers. Of 32 microsatellite primer pairs tested, 12 identified heterozygous loci in one or other parent, and 7 were fully informative as they segregated in both parents. The female parent map comprised 204 loci, spread over 18 linkage groups and spanned 1330.5 cM with a mean marker density of 6.5 cM. The equivalent figures for the male parent map were 180 loci, 17 linkage groups, 1239.4 and 6.9 cM. About 3% of the AFLP and AFLP-derived markers displayed segregation distortion with a P value below 0.01, and were not used for map construction. All the SSR loci were included in the linkage analysis, although one locus did show some segregation distortion. The presence of 78 markers in common to both maps allowed the alignment of 16 linkage groups. The maps generated provide a firm basis for the mapping of agriculturally relevant traits, which will then open the way for the application of a marker-assisted selection breeding strategy in this species.
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Affiliation(s)
- S Lanteri
- Di.Va.P.R.A. Plant Genetics and Breeding, University of Turin, via L. da Vinci 44, 10095 Grugliasco (Turin), Italy
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