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Meccariello A, Tsoumani KT, Gravina A, Primo P, Buonanno M, Mathiopoulos KD, Saccone G. Targeted somatic mutagenesis through CRISPR/Cas9 ribonucleoprotein complexes in the olive fruit fly, Bactrocera oleae. ARCHIVES OF INSECT BIOCHEMISTRY AND PHYSIOLOGY 2020; 104:e21667. [PMID: 32100335 DOI: 10.1002/arch.21667] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2019] [Revised: 02/10/2020] [Accepted: 02/11/2020] [Indexed: 06/10/2023]
Abstract
The olive fruit fly, Bactrocera oleae (Diptera: Tephritidae), is the most destructive insect pest of olive cultivation, causing significant economic and production losses. Here, we present the establishment of the clustered regularly interspaced short palindromic repeats (CRISPR)/Cas9 methodology for gene disruption in this species. We performed targeted mutagenesis of the autosomal gene white (Bo-we), by injecting into early embryos in vitro preassembled and solubilized Cas9 ribonucleoprotein complexes loaded with two gene-specific single-guide RNAs. Gene disruption of Bo-we led to somatic mosaicism of the adult eye color. Large eye patches or even an entire eye lost the iridescent reddish color, indicating the successful biallelic mutagenesis in somatic cells. Cas9 induced either indels in each of the two simultaneously targeted Bo-we sites or a large deletion of the intervening region. This study demonstrates the first efficient implementation of the CRISPR/Cas9 technology in the olive fly, providing new opportunities towards the development of novel genetic tools for its control.
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Affiliation(s)
- Angela Meccariello
- Department of Biology, University of Naples "Federico II", Naples, Italy
- Department of Life Sciences, Imperial College London, London, UK
| | | | - Andrea Gravina
- Department of Biology, University of Naples "Federico II", Naples, Italy
| | - Pasquale Primo
- Department of Biology, University of Naples "Federico II", Naples, Italy
| | - Martina Buonanno
- Institute of Biostructures and Bioimaging (IBB), CNR, Naples, Italy
| | - Kostas D Mathiopoulos
- Department of Biochemistry and Biotechnology, University of Thessaly, Larissa, Greece
| | - Giuseppe Saccone
- Department of Biology, University of Naples "Federico II", Naples, Italy
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Bayega A, Djambazian H, Tsoumani KT, Gregoriou ME, Sagri E, Drosopoulou E, Mavragani-Tsipidou P, Giorda K, Tsiamis G, Bourtzis K, Oikonomopoulos S, Dewar K, Church DM, Papanicolaou A, Mathiopoulos KD, Ragoussis J. De novo assembly of the olive fruit fly (Bactrocera oleae) genome with linked-reads and long-read technologies minimizes gaps and provides exceptional Y chromosome assembly. BMC Genomics 2020; 21:259. [PMID: 32228451 PMCID: PMC7106766 DOI: 10.1186/s12864-020-6672-3] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2019] [Accepted: 03/13/2020] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND The olive fruit fly, Bactrocera oleae, is the most important pest in the olive fruit agribusiness industry. This is because female flies lay their eggs in the unripe fruits and upon hatching the larvae feed on the fruits thus destroying them. The lack of a high-quality genome and other genomic and transcriptomic data has hindered progress in understanding the fly's biology and proposing alternative control methods to pesticide use. RESULTS Genomic DNA was sequenced from male and female Demokritos strain flies, maintained in the laboratory for over 45 years. We used short-, mate-pair-, and long-read sequencing technologies to generate a combined male-female genome assembly (GenBank accession GCA_001188975.2). Genomic DNA sequencing from male insects using 10x Genomics linked-reads technology followed by mate-pair and long-read scaffolding and gap-closing generated a highly contiguous 489 Mb genome with a scaffold N50 of 4.69 Mb and L50 of 30 scaffolds (GenBank accession GCA_001188975.4). RNA-seq data generated from 12 tissues and/or developmental stages allowed for genome annotation. Short reads from both males and females and the chromosome quotient method enabled identification of Y-chromosome scaffolds which were extensively validated by PCR. CONCLUSIONS The high-quality genome generated represents a critical tool in olive fruit fly research. We provide an extensive RNA-seq data set, and genome annotation, critical towards gaining an insight into the biology of the olive fruit fly. In addition, elucidation of Y-chromosome sequences will advance our understanding of the Y-chromosome's organization, function and evolution and is poised to provide avenues for sterile insect technique approaches.
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Affiliation(s)
- Anthony Bayega
- McGill University and Genome Quebec Innovation Centre, Department of Human Genetics, McGill University, Montreal, Canada
| | - Haig Djambazian
- McGill University and Genome Quebec Innovation Centre, Department of Human Genetics, McGill University, Montreal, Canada
| | - Konstantina T. Tsoumani
- Department of Biochemistry and Biotechnology, University of Thessaly, Biopolis, 41500 Larissa, Greece
| | - Maria-Eleni Gregoriou
- Department of Biochemistry and Biotechnology, University of Thessaly, Biopolis, 41500 Larissa, Greece
| | - Efthimia Sagri
- Department of Biochemistry and Biotechnology, University of Thessaly, Biopolis, 41500 Larissa, Greece
| | - Eleni Drosopoulou
- Department of Biology, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | | | - Kristina Giorda
- Integrated DNA Technologies, Inc., 1710 Commercial Park, Coralville, Iowa, 52241 USA
| | - George Tsiamis
- Department of Environmental Engineering, University of Patras, Agrinio, Greece
| | - Kostas Bourtzis
- Insect Pest Control Laboratory, Joint FAO/IAEA Division of Nuclear Techniques in Food and Agriculture, Vienna, Austria
| | - Spyridon Oikonomopoulos
- McGill University and Genome Quebec Innovation Centre, Department of Human Genetics, McGill University, Montreal, Canada
| | - Ken Dewar
- McGill University and Genome Quebec Innovation Centre, Department of Human Genetics, McGill University, Montreal, Canada
| | - Deanna M. Church
- Inscripta, Inc., 5500 Central Avenue #220, Boulder, CO 80301 USA
| | - Alexie Papanicolaou
- Hawkesbury Institute for the Environment, Western Sydney University, Richmond, NSW 2753 Australia
| | - Kostas D. Mathiopoulos
- Department of Biochemistry and Biotechnology, University of Thessaly, Biopolis, 41500 Larissa, Greece
| | - Jiannis Ragoussis
- McGill University and Genome Quebec Innovation Centre, Department of Human Genetics, McGill University, Montreal, Canada
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The chromosomes of Drosophila suzukii (Diptera: Drosophilidae): detailed photographic polytene chromosomal maps and in situ hybridization data. Mol Genet Genomics 2019; 294:1535-1546. [PMID: 31346719 DOI: 10.1007/s00438-019-01595-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2019] [Accepted: 07/15/2019] [Indexed: 01/25/2023]
Abstract
The spotted wing drosophila, D. suzukii, is a serious agricultural pest attacking a variety of soft fruits and vegetables. Although originating from East Asia it has recently invaded America and Europe raising major concern about its expansion potential and the consequent economic losses. Since cytogenetic information on the species is scarce, we report here the mitotic karyotype and detailed photographic maps of the salivary gland polytene chromosomes of D. suzukii. The mitotic metaphase complement contains three pairs of autosomes, one of which is dot-like, and one pair of heteromorphic (XX/XY) sex chromosomes. The salivary gland polytene complement consists of five long polytene arms, representing the two metacentric autosomes and the acrocentric X chromosome, and one very short polytene element, which corresponds to the dot-like autosome. Banding pattern as well as the most characteristic features and prominent landmarks of each polytene chromosome arm are presented and discussed. Furthermore, twelve gene markers have been mapped on the polytene chromosomes of D. suzukii by in situ hybridization. Their distribution pattern was found quite similar to that of D. melanogaster revealing conservation of synteny although the relative position within each chromosome arm for most of the genes differed significantly between D. suzukii and D. melanogaster. The chromosome information presented here is suitable for comparative cytogenetic studies and phylogenetic exploration, while it could also facilitate the assembly of the genome sequence and support the development of genetic tools for species-specific and environment-friendly biological control applications such as the sterile insect technique.
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Mandrioli M, Zambonini G, Manicardi GC. Comparative Gene Mapping as a Tool to Understand the Evolution of Pest Crop Insect Chromosomes. Int J Mol Sci 2017; 18:ijms18091919. [PMID: 28880213 PMCID: PMC5618568 DOI: 10.3390/ijms18091919] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2017] [Revised: 08/31/2017] [Accepted: 09/05/2017] [Indexed: 11/22/2022] Open
Abstract
The extent of the conservation of synteny and gene order in aphids has been previously investigated only by comparing a small subset of linkage groups between the pea aphid Acyrthosiphon pisum and a few other aphid species. Here we compared the localization of eight A. pisum scaffolds (covering more than 5 Mb and 83 genes) in respect to the Drosophila melanogaster Muller elements identifying orthologous loci spanning all the four A. pisum chromosomes. Comparison of the genetic maps revealed a conserved synteny across different loci suggesting that the study of the fruit fly Muller elements could favour the identification of chromosomal markers useful for the study of chromosomal rearrangements in aphids. A. pisum is the first aphid species to have its genome sequenced and the finding that there are several chromosomal regions in synteny between Diptera and Hemiptera indicates that the genomic tools developed in A. pisum will be broadly useful not only for the study of other aphids but also for other insect species.
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Affiliation(s)
- Mauro Mandrioli
- Department of Life Sciences, University of Modena and Reggio Emilia, Modena 41125, Italy.
| | - Giada Zambonini
- Department of Life Sciences, University of Modena and Reggio Emilia, Modena 41125, Italy.
| | - Gian Carlo Manicardi
- Department of Life Sciences, University of Modena and Reggio Emilia, Modena 41125, Italy.
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Drosopoulou E, Pantelidou C, Gariou-Papalexiou A, Augustinos AA, Chartomatsidou T, Kyritsis GA, Bourtzis K, Mavragani-Tsipidou P, Zacharopoulou A. The chromosomes and the mitogenome of Ceratitis fasciventris (Diptera: Tephritidae): two genetic approaches towards the Ceratitis FAR species complex resolution. Sci Rep 2017; 7:4877. [PMID: 28687799 PMCID: PMC5501848 DOI: 10.1038/s41598-017-05132-3] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2017] [Accepted: 05/25/2017] [Indexed: 11/29/2022] Open
Abstract
Ceratitis fasciventris is a serious agricultural pest of the Tephritidae family that belongs to the African Ceratitis FAR species complex. Species limits within the FAR complex are obscure and multidisciplinary approaches have attempted to resolve phylogenetic relationships among its members. These studies support the existence of at least three additional species in the complex, C. anonnae, C. rosa and C. quilicii, while they indicate the presence of two structured populations (F1 and F2) within the C. fasciventris species. In the present study we present the mitotic karyotype, polytene chromosome maps, in situ hybridization data and the complete mitochondrial genome sequence of an F2 population of C. fasciventris. This is the first polytene chromosome map and complete mitogenome of a member of the FAR complex and only the second reported for the Ceratitis genus. Both polytene chromosomes and mitochondrial sequence could provide valuable information and be used as reference for comparative analysis among the members of the complex towards the clarification of their phylogenetic relationships.
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Affiliation(s)
- Elena Drosopoulou
- Department of Genetics, Development and Molecular Biology, School of Biology, Faculty of Sciences, Aristotle University of Thessaloniki, Thessaloniki, Greece.
| | - Christina Pantelidou
- Department of Genetics, Development and Molecular Biology, School of Biology, Faculty of Sciences, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | | | - Antonios A Augustinos
- Department of Biology, University of Patras, Patras, Greece.,Insect Pest Control Laboratory, Joint FAO/IAEA Division of Nuclear Techniques in Food and Agriculture, Seibersdorf, Vienna, Austria
| | - Tatiana Chartomatsidou
- Department of Genetics, Development and Molecular Biology, School of Biology, Faculty of Sciences, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Georgios A Kyritsis
- Insect Pest Control Laboratory, Joint FAO/IAEA Division of Nuclear Techniques in Food and Agriculture, Seibersdorf, Vienna, Austria
| | - Kostas Bourtzis
- Insect Pest Control Laboratory, Joint FAO/IAEA Division of Nuclear Techniques in Food and Agriculture, Seibersdorf, Vienna, Austria
| | - Penelope Mavragani-Tsipidou
- Department of Genetics, Development and Molecular Biology, School of Biology, Faculty of Sciences, Aristotle University of Thessaloniki, Thessaloniki, Greece
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Gariou-Papalexiou A, Giardini MC, Augustinos AA, Drosopoulou E, Lanzavecchia SB, Cladera JL, Caceres C, Bourtzis K, Mavragani-Tsipidou P, Zacharopoulou A. Cytogenetic Analysis of the South American Fruit Fly Anastrepha fraterculus (Diptera:Tephritidae) Species Complex: Construction of Detailed Photographic Polytene Chromosome Maps of the Argentinian Af. sp.1 Member. PLoS One 2016; 11:e0157192. [PMID: 27362546 PMCID: PMC4928812 DOI: 10.1371/journal.pone.0157192] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2016] [Accepted: 05/25/2016] [Indexed: 01/28/2023] Open
Abstract
Genetic and cytogenetic studies constitute a significant basis for understanding the biology of insect pests and the design and the construction of genetic tools for biological control strategies. Anastrepha fraterculus is an important pest of the Tephritidae family. It is distributed from southern Texas through eastern Mexico, Central America and South America causing significant crop damage and economic losses. Currently it is considered as a species complex; until now seven members have been described based on multidisciplinary approaches. Here we report the cytogenetic analysis of an Argentinian population characterized as Af. sp.1 member of the Anastrepha fraterculus species complex. The mitotic karyotype and the first detailed photographic maps of the salivary gland polytene chromosomes are presented. The mitotic metaphase complement consists of six (6) pairs of chromosomes, including one pair of heteromorphic sex chromosomes, with the male being the heterogametic sex. The analysis of the salivary gland polytene complement shows a total number of five long chromosomes that correspond to the five autosomes of the mitotic karyotype and a heterochromatic network corresponding to the sex chromosomes. Comparison of the polytene chromosome maps between this species and Anastrepha ludens shows significant similarity. The polytene maps presented here are suitable for cytogenetic studies that could shed light on the species limits within this species complex and support the development of genetic tools for sterile insect technique (SIT) applications.
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Affiliation(s)
| | - María Cecilia Giardini
- Instituto de Genética EA Favret, Instituto Nacional Tecnología Agropecuaria, Hurlingham, Provincia de Buenos Aires, Argentina
| | - Antonios A. Augustinos
- Biology Department, University of Patras, Patras, Greece
- Insect Pest Control Laboratory, Joint FAO/IAEA Division of Nuclear Techniques in Food and Agriculture, Seibersdorf, Vienna, Austria
| | - Elena Drosopoulou
- Department of Genetics, Development and Molecular Biology, School of Biology, Faculty of Sciences, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Silvia B. Lanzavecchia
- Instituto de Genética EA Favret, Instituto Nacional Tecnología Agropecuaria, Hurlingham, Provincia de Buenos Aires, Argentina
| | - Jorge L. Cladera
- Instituto de Genética EA Favret, Instituto Nacional Tecnología Agropecuaria, Hurlingham, Provincia de Buenos Aires, Argentina
| | - Carlos Caceres
- Insect Pest Control Laboratory, Joint FAO/IAEA Division of Nuclear Techniques in Food and Agriculture, Seibersdorf, Vienna, Austria
| | - Kostas Bourtzis
- Insect Pest Control Laboratory, Joint FAO/IAEA Division of Nuclear Techniques in Food and Agriculture, Seibersdorf, Vienna, Austria
| | - Penelope Mavragani-Tsipidou
- Department of Genetics, Development and Molecular Biology, School of Biology, Faculty of Sciences, Aristotle University of Thessaloniki, Thessaloniki, Greece
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