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O’Connor RE, Kretschmer R, Romanov MN, Griffin DK. A Bird's-Eye View of Chromosomic Evolution in the Class Aves. Cells 2024; 13:310. [PMID: 38391923 PMCID: PMC10886771 DOI: 10.3390/cells13040310] [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: 12/05/2023] [Revised: 01/27/2024] [Accepted: 02/05/2024] [Indexed: 02/24/2024] Open
Abstract
Birds (Aves) are the most speciose of terrestrial vertebrates, displaying Class-specific characteristics yet incredible external phenotypic diversity. Critical to agriculture and as model organisms, birds have adapted to many habitats. The only extant examples of dinosaurs, birds emerged ~150 mya and >10% are currently threatened with extinction. This review is a comprehensive overview of avian genome ("chromosomic") organization research based mostly on chromosome painting and BAC-based studies. We discuss traditional and contemporary tools for reliably generating chromosome-level assemblies and analyzing multiple species at a higher resolution and wider phylogenetic distance than previously possible. These results permit more detailed investigations into inter- and intrachromosomal rearrangements, providing unique insights into evolution and speciation mechanisms. The 'signature' avian karyotype likely arose ~250 mya and remained largely unchanged in most groups including extinct dinosaurs. Exceptions include Psittaciformes, Falconiformes, Caprimulgiformes, Cuculiformes, Suliformes, occasional Passeriformes, Ciconiiformes, and Pelecaniformes. The reasons for this remarkable conservation may be the greater diploid chromosome number generating variation (the driver of natural selection) through a greater possible combination of gametes and/or an increase in recombination rate. A deeper understanding of avian genomic structure permits the exploration of fundamental biological questions pertaining to the role of evolutionary breakpoint regions and homologous synteny blocks.
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Affiliation(s)
- Rebecca E. O’Connor
- School of Biosciences, University of Kent, Canterbury CT2 7NJ, UK; (R.E.O.); (M.N.R.)
| | - Rafael Kretschmer
- Departamento de Ecologia, Zoologia e Genética, Instituto de Biologia, Campus Universitário Capão do Leão, Universidade Federal de Pelotas, Pelotas 96010-900, RS, Brazil;
| | - Michael N. Romanov
- School of Biosciences, University of Kent, Canterbury CT2 7NJ, UK; (R.E.O.); (M.N.R.)
- L. K. Ernst Federal Research Centre for Animal Husbandry, Dubrovitsy, 142132 Podolsk, Moscow Oblast, Russia
| | - Darren K. Griffin
- School of Biosciences, University of Kent, Canterbury CT2 7NJ, UK; (R.E.O.); (M.N.R.)
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2
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Seligmann ICA, Furo IDO, dos Santos MDS, Gunski RJ, Garnero ADV, Silva FAO, O´Brien P, Ferguson-Smith M, Kretschmer R, de Oliveira EHC. Comparative chromosome painting in three Pelecaniformes species (Aves): Exploring the role of macro and microchromosome fusions in karyotypic evolution. PLoS One 2023; 18:e0294776. [PMID: 38011093 PMCID: PMC10681242 DOI: 10.1371/journal.pone.0294776] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Accepted: 11/08/2023] [Indexed: 11/29/2023] Open
Abstract
Pelecaniformes is an order of waterbirds that exhibit diverse and distinct morphologies. Ibis, heron, pelican, hammerkop, and shoebill are included within the order. Despite their fascinating features, the phylogenetic relationships among the families within Pelecaniformes remain uncertain and pose challenges due to their complex evolutionary history. Their karyotypic evolution is another little-known aspect. Therefore, to shed light on the chromosomal rearrangements that have occurred during the evolution of Pelecaniformes, we have used whole macrochromosome probes from Gallus gallus (GGA) to show homologies on three species with different diploid numbers, namely Cochlearius cochlearius (2n = 74), Eudocimus ruber (2n = 66), and Syrigma sibilatrix (2n = 62). A fusion between GGA6 and GGA7 was found in C. cochlearius and S. sibilatrix. In S. sibilatrix the GGA8, GGA9 and GGA10 hybridized to the long arms of biarmed macrochromosomes, indicating fusions with microchromosomes. In E. ruber the GGA7 and GGA8 hybridized to the same chromosome pair. After comparing our painting results with previously published data, we show that distinct chromosomal rearrangements have occurred in different Pelecaniformes lineages. Our study provides new insight into the evolutionary history of Pelecaniformes and the chromosomal changes involving their macrochromosomes and microchromosomes that have taken place in different species within this order.
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Affiliation(s)
- Igor Chamon Assumpção Seligmann
- Programa de Pós-graduação em Biodiversidade e Biotecnologia da Rede Bionorte, Universidade Federal do Pará, Belém, Pará, Brazil
| | - Ivanete de Oliveira Furo
- Laboratório de Reprodução Animal, LABRAC, Universidade Federal Rural da Amazônia, UFRA, Parauapebas, State of Pará, Brazil
| | - Michelly da Silva dos Santos
- Programa de Pós-graduação em Genética e Biologia Molecular, Universidade Federal do Pará, Belém, State of Pará, Brazil
| | - Ricardo José Gunski
- Programa de Pós-graduação em Ciências Biológicas, Universidade Federal do Pampa, Campus São Gabriel, São Gabriel, State of Rio Grande do Sul, Brazil
| | - Analía del Valle Garnero
- Programa de Pós-graduação em Ciências Biológicas, Universidade Federal do Pampa, Campus São Gabriel, São Gabriel, State of Rio Grande do Sul, Brazil
| | - Fabio Augusto Oliveira Silva
- Programa de Pós-graduação em Neurociência e Biologia Molecular, Universidade Federal do Pará, Belém, State of Pará, Brazil
| | - Patricia O´Brien
- Cambridge Resource Centre for Comparative Genomics, University of Cambridge, Cambridge, United Kingdom
| | - Malcolm Ferguson-Smith
- Cambridge Resource Centre for Comparative Genomics, University of Cambridge, Cambridge, United Kingdom
| | - Rafael Kretschmer
- Departamento de Ecologia, Zoologia e Genética, Universidade Federal de Pelotas, Pelotas, State of Rio Grande do Sul, Brazil
| | - Edivaldo Herculano C. de Oliveira
- Faculdade de Ciências Naturais, Instituto de Ciências Exatas e Naturais, Universidade Federal do Pará, Belém, State of Pará, Brazil
- Laboratório de Citogenômica e Mutagênese Ambiental, SEAMB, Instituto Evandro Chagas, Ananindeua, State of Pará, Brazil
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3
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Kretschmer R, de Souza MS, Furo IDO, Romanov MN, Gunski RJ, Garnero ADV, de Freitas TRO, de Oliveira EHC, O’Connor RE, Griffin DK. Interspecies Chromosome Mapping in Caprimulgiformes, Piciformes, Suliformes, and Trogoniformes (Aves): Cytogenomic Insight into Microchromosome Organization and Karyotype Evolution in Birds. Cells 2021; 10:cells10040826. [PMID: 33916942 PMCID: PMC8067558 DOI: 10.3390/cells10040826] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Revised: 04/02/2021] [Accepted: 04/05/2021] [Indexed: 01/18/2023] Open
Abstract
Interchromosomal rearrangements involving microchromosomes are rare events in birds. To date, they have been found mostly in Psittaciformes, Falconiformes, and Cuculiformes, although only a few orders have been analyzed. Hence, cytogenomic studies focusing on microchromosomes in species belonging to different bird orders are essential to shed more light on the avian chromosome and karyotype evolution. Based on this, we performed a comparative chromosome mapping for chicken microchromosomes 10 to 28 using interspecies BAC-based FISH hybridization in five species, representing four Neoaves orders (Caprimulgiformes, Piciformes, Suliformes, and Trogoniformes). Our results suggest that the ancestral microchromosomal syntenies are conserved in Pteroglossus inscriptus (Piciformes), Ramphastos tucanus tucanus (Piciformes), and Trogon surrucura surrucura (Trogoniformes). On the other hand, chromosome reorganization in Phalacrocorax brasilianus (Suliformes) and Hydropsalis torquata (Caprimulgiformes) included fusions involving both macro- and microchromosomes. Fissions in macrochromosomes were observed in P. brasilianus and H. torquata. Relevant hypothetical Neognathae and Neoaves ancestral karyotypes were reconstructed to trace these rearrangements. We found no interchromosomal rearrangement involving microchromosomes to be shared between avian orders where rearrangements were detected. Our findings suggest that convergent evolution involving microchromosomal change is a rare event in birds and may be appropriate in cytotaxonomic inferences in orders where these rearrangements occurred.
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Affiliation(s)
- Rafael Kretschmer
- School of Biosciences, University of Kent, Canterbury CT2 7NJ, UK; (R.K.); (M.N.R.); (R.E.O.)
- Departamento de Genética, Universidade Federal do Rio Grande do Sul, Porto Alegre, 91509-900 Rio Grande do Sul, Brazil;
| | - Marcelo Santos de Souza
- Laboratório de Diversidade Genética Animal, Universidade Federal do Pampa, São Gabriel, 97300-162 Rio Grande do Sul, Brazil; (M.S.d.S.); (R.J.G.); (A.d.V.G.)
| | - Ivanete de Oliveira Furo
- Laboratório de Reprodução Animal, LABRAC, Universidade Federal Rural da Amazônia, UFRA, Parauapebas, 68515-000 Pará, Brazil;
| | - Michael N. Romanov
- School of Biosciences, University of Kent, Canterbury CT2 7NJ, UK; (R.K.); (M.N.R.); (R.E.O.)
| | - Ricardo José Gunski
- Laboratório de Diversidade Genética Animal, Universidade Federal do Pampa, São Gabriel, 97300-162 Rio Grande do Sul, Brazil; (M.S.d.S.); (R.J.G.); (A.d.V.G.)
| | - Analía del Valle Garnero
- Laboratório de Diversidade Genética Animal, Universidade Federal do Pampa, São Gabriel, 97300-162 Rio Grande do Sul, Brazil; (M.S.d.S.); (R.J.G.); (A.d.V.G.)
| | | | - Edivaldo Herculano Corrêa de Oliveira
- Laboratório de Cultura de Tecidos e Citogenética, SAMAM, Instituto Evandro Chagas, Ananindeua, 67030-000 Pará, Brazil;
- Instituto de Ciências Exatas e Naturais, Universidade Federal do Pará, Belém, 66075-110 Pará, Brazil
| | - Rebecca E. O’Connor
- School of Biosciences, University of Kent, Canterbury CT2 7NJ, UK; (R.K.); (M.N.R.); (R.E.O.)
| | - Darren K. Griffin
- School of Biosciences, University of Kent, Canterbury CT2 7NJ, UK; (R.K.); (M.N.R.); (R.E.O.)
- Correspondence: ; Tel.: +44-1227-823022
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Furo IDO, Kretschmer R, O'Brien PC, Pereira JC, Garnero ADV, Gunski RJ, O'Connor RE, Griffin DK, Gomes AJB, Ferguson-Smith MA, de Oliveira EHC. Chromosomal Evolution in the Phylogenetic Context: A Remarkable Karyotype Reorganization in Neotropical Parrot Myiopsitta monachus (Psittacidae). Front Genet 2020; 11:721. [PMID: 32754200 PMCID: PMC7366516 DOI: 10.3389/fgene.2020.00721] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2020] [Accepted: 06/15/2020] [Indexed: 11/29/2022] Open
Abstract
Myiopsitta monachus is a small Neotropical parrot (Psittaciformes: Arini Tribe) from subtropical and temperate regions of South America. It has a diploid chromosome number 2n = 48, different from other members of the Arini Tribe that have usually 70 chromosomes. The species has the lowest 2n within the Arini Tribe. In this study, we combined comparative chromosome painting with probes generated from chromosomes of Gallus gallus and Leucopternis albicollis, and FISH with bacterial artificial chromosomes (BACs) selected from the genome library of G. gallus with the aim to shed light on the dynamics of genome reorganization in M. monachus in the phylogenetic context. The homology maps showed a great number of fissions in macrochromosomes, and many fusions between microchromosomes and fragments of macrochromosomes. Our phylogenetic analysis by Maximum Parsimony agree with molecular data, placing M. monachus in a basal position within the Arini Tribe, together with Amazona aestiva (short tailed species). In M. monachus many chromosome rearrangements were found to represent autopomorphic characters, indicating that after this species split as an independent branch, an intensive karyotype reorganization took place. In addition, our results show that M. monachus probes generated by flow cytometry provide novel cytogenetic tools for the detection of avian chromosome rearrangements, since this species presents breakpoints that have not been described in other species.
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Affiliation(s)
- Ivanete de Oliveira Furo
- Instituto de Ciências Biológicas, Universidade Federal do Pará, Belém, Brazil.,Laboratório de Cultura de Tecidos e Citogenética, Seção de Meio Ambiente, Instituto Evandro Chagas, Ananindeua, Brazil.,Department of Veterinary Medicine, Cambridge Resource Centre for Comparative Genomics, University of Cambridge, Cambridge, United Kingdom
| | - Rafael Kretschmer
- Departamento de Genética, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil.,School of Biosciences, University of Kent, Canterbury, United Kingdom
| | - Patricia Caroline O'Brien
- Department of Veterinary Medicine, Cambridge Resource Centre for Comparative Genomics, University of Cambridge, Cambridge, United Kingdom
| | - Jorge C Pereira
- Animal and Veterinary Research Centre (CEVAV), University of Tràs-os-Montes and Alto Douro (UTAD), Vila Real, Portugal
| | | | - Ricardo José Gunski
- Laboratório de Diversidade Genética Animal, Universidade Federal do Pampa, São Gabriel, Brazil
| | | | | | | | - Malcolm Andrew Ferguson-Smith
- Department of Veterinary Medicine, Cambridge Resource Centre for Comparative Genomics, University of Cambridge, Cambridge, United Kingdom
| | - Edivaldo Herculano Correa de Oliveira
- Instituto de Ciências Biológicas, Universidade Federal do Pará, Belém, Brazil.,Laboratório de Cultura de Tecidos e Citogenética, Seção de Meio Ambiente, Instituto Evandro Chagas, Ananindeua, Brazil.,Instituto de Ciências Exatas e Naturais, Universidade Federal do Pará, Belém, Brazil
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5
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Furo IDO, Kretschmer R, O’Brien PCM, Pereira JC, Ferguson-Smith MA, de Oliveira EHC. Phylogenetic Analysis and Karyotype Evolution in Two Species of Core Gruiformes: Aramides cajaneus and Psophia viridis. Genes (Basel) 2020; 11:E307. [PMID: 32183220 PMCID: PMC7140812 DOI: 10.3390/genes11030307] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Revised: 03/04/2020] [Accepted: 03/10/2020] [Indexed: 11/17/2022] Open
Abstract
Gruiformes is a group with phylogenetic issues. Recent studies based on mitochondrial and genomic DNA have proposed the existence of a core Gruiformes, consisting of five families: Heliornithidae, Aramidae, Gruidae, Psophiidae and Rallidae. Karyotype studies on these species are still scarce, either by conventional staining or molecular cytogenetics. Due to this, this study aimed to analyze the karyotype of two species (Aramides cajaneus and Psophia viridis) belonging to families Rallidae and Psopiidae, respectively, by comparative chromosome painting. The results show that some chromosome rearrangements in this group have different origins, such as the association of GGA5/GGA7 in A. cajaneus, as well as the fission of GGA4p and association GGA6/GGA7, which place P. viridis close to Fulica atra and Gallinula chloropus. In addition, we conclude that the common ancestor of the core Gruiformes maintained the original syntenic groups found in the putative avian ancestral karyotype.
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Affiliation(s)
- Ivanete de Oliveira Furo
- Post-Graduation Program in Genetics and Molecular Biology, Federal University of Pará, Belém, Pará 66075-110, Brazil;
- Laboratory of Tissue Culture and Cytogenetics, SAMAM, Evandro Chagas Institute, Ananindeua, Pará 67030-000, Brazil
- Cambridge Resource Centre for Comparative Genomics, Cambridge CB3 0ES, UK; (R.K.); (P.C.M.O.); (J.C.P.); (M.A.F.-S.)
| | - Rafael Kretschmer
- Cambridge Resource Centre for Comparative Genomics, Cambridge CB3 0ES, UK; (R.K.); (P.C.M.O.); (J.C.P.); (M.A.F.-S.)
- Pos-Graduation Program in Genetics and Molecular Biology, Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul 91509-900, Brazil
| | - Patrícia C. M. O’Brien
- Cambridge Resource Centre for Comparative Genomics, Cambridge CB3 0ES, UK; (R.K.); (P.C.M.O.); (J.C.P.); (M.A.F.-S.)
| | - Jorge C. Pereira
- Cambridge Resource Centre for Comparative Genomics, Cambridge CB3 0ES, UK; (R.K.); (P.C.M.O.); (J.C.P.); (M.A.F.-S.)
| | - Malcolm A. Ferguson-Smith
- Cambridge Resource Centre for Comparative Genomics, Cambridge CB3 0ES, UK; (R.K.); (P.C.M.O.); (J.C.P.); (M.A.F.-S.)
| | - Edivaldo Herculano Corrêa de Oliveira
- Laboratory of Tissue Culture and Cytogenetics, SAMAM, Evandro Chagas Institute, Ananindeua, Pará 67030-000, Brazil
- Faculty of Natural Sciences, Institute of Exact and Natural Sciences, Federal University of Pará, Belém, Pará 66075-110, Brazil
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Barcellos SA, Kretschmer R, Souza MSD, Costa AL, Degrandi TM, Lopes CF, Ferguson-Smith MA, Pereira J, Oliveira EHCD, Gunski RJ, Garnero ADV. Comparative analyses of three swallow species (Aves, Passeriformes, Hirundinidae): Insights on karyotype evolution and genomic organization. Genet Mol Biol 2020; 43:e20190232. [PMID: 32162650 PMCID: PMC7197979 DOI: 10.1590/1678-4685-gmb-2019-0232] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2019] [Accepted: 12/19/2019] [Indexed: 11/21/2022] Open
Abstract
Despite the richness of species in the Hirudinidae family, little is known about the genome organization of swallows. The Progne tapera species presents genetic and morphological difference when compared to other members of the same genus. Hence, the aims of this study were to analyze the chromosomal evolution of three species Progne tapera, Progne chalybea and Pygochelidon cyanoleuca - by comparative chromosome painting using two sets of probes, Gallus gallus and Zenaida auriculata, in order to determine chromosome homologies and the relationship between these species. All karyotypes exhibited 76 chromosomes with similar morphology, except for the 5th, 6th and 7th chromosome pairs in P. cyanoleuca. Additionally, comparative chromosome painting demonstrated the same hybridization pattern in the two Progne, which was similar to the putative avian ancestral karyotype, except for the centric fission in the first pair, as found in other Passeriformes. Thus, these data display a close relationship between the Progne species. Although P. cyanoleuca demonstrated the same fission in the first pair of the ancestral syntenic (GGA1), it also showed an additional chromosomal rearrangement for this species, namely a fusion with a microchromosome in the seventh pair.
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Affiliation(s)
- Suziane Alves Barcellos
- Universidade Federal do Pampa, Programa de Pós-graduação em Ciências Biológicas - PPGCB, São Gabriel, RS, Brazil
| | - Rafael Kretschmer
- Universidade Federal do Rio Grande do Sul, Programa de Pós-graduação em Genética e Biologia Molecular - PPGBM, Porto Alegre, RS, Brazil
| | - Marcelo Santos de Souza
- Universidade Federal do Pampa, Programa de Pós-graduação em Ciências Biológicas - PPGCB, São Gabriel, RS, Brazil
| | - Alice Lemos Costa
- Universidade Federal do Pampa, Programa de Pós-graduação em Ciências Biológicas - PPGCB, São Gabriel, RS, Brazil
| | - Tiago Marafiga Degrandi
- Universidade Federal do Paraná, Programa de Pós-Graduação em Genética, PPGG, Curitiba, PR, Brazil
| | - Cassiane Furlan Lopes
- Universidade Federal do Pampa, Programa de Pós-graduação em Ciências Biológicas - PPGCB, São Gabriel, RS, Brazil
| | - Malcolm A Ferguson-Smith
- University of Cambridge Department of Veterinary Medicine, Cambridge Resource Centre for Comparative Genomics, Cambridge, United Kingdom
| | - Jorge Pereira
- University of Cambridge Department of Veterinary Medicine, Cambridge Resource Centre for Comparative Genomics, Cambridge, United Kingdom
| | - Edivaldo Herculano Correa de Oliveira
- Universidade Federal do Pará, Instituto de Ciências Exatas e Naturais, Belém, PA, Brazil.,Instituto Evandro Chagas, Laboratório de Cultura de Tecidos e Citogenética, Ananindeua, PA, Brazil
| | - Ricardo José Gunski
- Universidade Federal do Pampa, Programa de Pós-graduação em Ciências Biológicas - PPGCB, São Gabriel, RS, Brazil
| | - Analía Del Valle Garnero
- Universidade Federal do Pampa, Programa de Pós-graduação em Ciências Biológicas - PPGCB, São Gabriel, RS, Brazil
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Seligmann ICA, Furo IO, Dos Santos MS, Tagliarini MM, Araujo CCD, O''Brien PCM, Ferguson-Smith MA, de Oliveira EHC. Comparative Chromosome Painting in Two Brazilian Stork Species with Different Diploid Numbers. Cytogenet Genome Res 2019; 159:32-38. [PMID: 31542782 DOI: 10.1159/000503019] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/07/2019] [Indexed: 11/19/2022] Open
Abstract
Despite the variation observed in the diploid chromosome number of storks (Ciconiiformes, Ciconiidae), from 2n = 52 to 2n = 78, most reports have relied solely on analyses by conventional staining. As most species have similar macrochromosomes, some authors propose that karyotype evolution involves mainly fusions between microchromosomes, which are highly variable in species with different diploid numbers. In order to verify this hypothesis, in this study, the karyotypes of 2 species of storks from South America with different diploid numbers, the jabiru (Jabiru mycteria, 2n = 56) and the maguary stork (Ciconia maguary, 2n = 72), were analyzed by chromosome painting using whole chromosome probes from the macrochromosomes of Gallus gallus (GGA) and Leucopternis albicollis (LAL). The results revealed that J. mycteria and C. maguary share synteny within chromosome pairs 1-9 and Z. The syntenies to the macrochromosomes of G. gallus are conserved, except for GGA4, which is homologous to 2 different pairs, as in most species of birds. A fusion of GGA8 and GGA9 was observed in both species. Additionally, chromosomes corresponding to GGA4p and GGA6 are fused to other segments that did not hybridize to any of the macrochromosome probes used, suggesting that these segments correspond to microchromosomes. Hence, our data corroborate the proposed hypothesis that karyotype evolution is based on fusions involving microchromosomes. In view of the morphological constancy of the macrochromosome pairs in most Ciconiidae, we propose a putative ancestral karyotype for the family, including the GGA8/GGA9 fusion, and a diploid number of 2n = 78. The use of probes for microchromosome pairs should be the next step in identifying other synapomorphies that may help to clarify the phylogeny of this family.
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Mahiddine-Aoudjit L, Boucekkine O, Ladjali-Mohammedi K. Banding cytogenetics of the vulnerable species Houbara bustard (Otidiformes) and comparative analysis with the Domestic fowl. COMPARATIVE CYTOGENETICS 2019; 13:1-17. [PMID: 30701036 PMCID: PMC6351704 DOI: 10.3897/compcytogen.v13i1.30660] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/18/2018] [Accepted: 12/17/2018] [Indexed: 06/09/2023]
Abstract
The Houbara bustard Chlamydotisundulata (Jacquin, 1784) is an emblematic and endangered bird of steppes and desert spaces of North Africa. This species belonging to Otidiformes is recognized as vulnerable by the International Union for Nature Conservation. The critical situation of this species and the revision of its classification on the tree of birds encouraged the authors to start accumulating chromosome data. For that, we propose the GTG- and RBG-banded karyotypes of the Houbara bustard prepared from primary fibroblast cell cultures. The first eight autosomal pairs and sex chromosomes have been described and compared to those of the domestic fowl Gallusdomesticus (Linnaeus, 1758). The diploid number has been estimated as 78 chromosomes with 8 macrochromosomes pairs and 30 microchromosomes pairs, attesting of the stability of chromosome number in avian karyotypes. The description of the karyotype of the Houbara is of crucial importance for the management of the reproduction of this species in captivity. It can be used as a reference in the detection of chromosomal abnormalities, which would be responsible of the early embryonic mortalities.
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Affiliation(s)
- Leila Mahiddine-Aoudjit
- University of Sciences and Technology Houari Boumediene (USTHB), Faculty of Biological Sciences, Laboratory of Cellular and Molecular Biology, Team of Developmental Genetics, PO box 32 El-Alia, Bab-Ezzouar, 16110 Algiers, AlgeriaUniversity of Sciences and Technology Houari BoumedieneAlgiersAlgeria
- University of M’hamed Bougara of Boumerdes, Faculty of Sciences, Department of Biology, Avenue de l’Indépendance, 35 000 Boumerdès, AlgeriaUniversity of M’hamed Bougara of BoumerdesBoumerdèsAlgeria
| | - Ouahida Boucekkine
- The General Direction of Forests, Ben Aknoun, Algiers, AlgeriaThe General Direction of ForestsAlgiersAlgeria
| | - Kafia Ladjali-Mohammedi
- University of Sciences and Technology Houari Boumediene (USTHB), Faculty of Biological Sciences, Laboratory of Cellular and Molecular Biology, Team of Developmental Genetics, PO box 32 El-Alia, Bab-Ezzouar, 16110 Algiers, AlgeriaUniversity of Sciences and Technology Houari BoumedieneAlgiersAlgeria
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9
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Dos Santos MS, Furo IO, Tagliarini MM, Kretschmer R, O''Brien PCM, Ferguson-Smith MA, de Oliveira EHC. The Karyotype of the Hoatzin (Opisthocomus hoazin) - A Phylogenetic Enigma of the Neornithes. Cytogenet Genome Res 2018; 156:158-164. [PMID: 30472715 DOI: 10.1159/000494707] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/16/2018] [Indexed: 11/19/2022] Open
Abstract
The hoatzin (Opisthocomus hoazin Müller, 1776) is a folivorous bird, endemic to the Amazonian region. It presents some unique characteristics, including wing claws and foregut fermentation, which make its phylogenetic relationship to other birds difficult to determine. There have been various attempts to place it among the Galliformes, Gruiformes, Musophagiformes, Cuculiformes, and Charadriiformes, but phylogenetic analyses always show low supporting values. Nowadays, the hoatzin is included in the monotypic order Opisthocomiformes, but the relationship of this order to other groups of birds is still unclear. Although its karyotype resembles the typical avian model, fissions of the syntenic groups corresponding to chicken chromosomes 1 and 2 and 2 fusions were found. The presence of 18S rDNA clusters in 2 pairs of microchromosomes is another derived character. Hence, different rearrangements were detected in the karyotype of the hoatzin, indicating it has been derived from the putative ancestral karyotype by the occurrence of fissions and fusions. However, as these rearrangements are not exclusive to O. hoazin, they do not clarify the phylogenetic position of this enigmatic species.
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Chromosome Painting in Neotropical Long- and Short-Tailed Parrots (Aves, Psittaciformes): Phylogeny and Proposal for a Putative Ancestral Karyotype for Tribe Arini. Genes (Basel) 2018; 9:genes9100491. [PMID: 30309041 PMCID: PMC6210594 DOI: 10.3390/genes9100491] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2018] [Revised: 10/02/2018] [Accepted: 10/04/2018] [Indexed: 11/18/2022] Open
Abstract
Most Neotropical Psittacidae have a diploid number of 2n = 70, and a dichotomy in chromosome patterns. Long-tailed species have biarmed macrochromosomes, while short-tailed species have telo/acrocentric macrochromosomes. However, the use of chromosome painting has demonstrated that karyotype evolution in Psittacidae includes a high number of inter/intrachromosomal rearrangements. To determine the phylogeny of long- and short-tailed species, and to propose a putative ancestral karyotype for this group, we constructed homology maps of Pyrrhura frontalis (PFR) and Amazona aestiva (AAE), belonging to the long- and short-tailed groups, respectively. Chromosomes were analyzed by conventional staining and fluorescent in situ hybridization using whole chromosome paints of Gallusgallus and Leucopternis albicollis. Conventional staining showed a karyotype with 2n = 70 in both species, with biarmed macrochromosomes in PFR and telo/acrocentric chromosomes in AAE. Comparison of the results with the putative avian ancestral karyotype (PAK) showed fusions in PFR of PAK1p/PAK4q (PFR1) and PAK6/PAK7 (PFR6) with a paracentric inversion in PFR6. However, in AAE, there was only the fusion between PAK6/7 (AAE7) with a paracentric inversion. Our results indicate that PFR retained a more basal karyotype than long-tailed species previously studied, and AAE a more basal karyotype for Neotropical Psittacidae analyzed so far.
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Comparative chromosome painting in Columbidae (Columbiformes) reinforces divergence in Passerea and Columbea. Chromosome Res 2018; 26:211-223. [PMID: 29882066 DOI: 10.1007/s10577-018-9580-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2018] [Revised: 05/07/2018] [Accepted: 05/08/2018] [Indexed: 10/14/2022]
Abstract
Pigeons and doves (Columbiformes) are one of the oldest and most diverse extant lineages of birds. However, the karyotype evolution within Columbiformes remains unclear. To delineate the synteny-conserved segments and karyotypic differences among four Columbidae species, we used chromosome painting from Gallus gallus (GGA, 2n = 78) and Leucopternis albicollis (LAL, 2n = 68). Besides that, a set of painting probes for the eared dove, Zenaida auriculata (ZAU, 2n = 76), was generated from flow-sorted chromosomes. Chromosome painting with GGA and ZAU probes showed conservation of the first ten ancestral pairs in Z. auriculata, Columba livia, and Columbina picui, while in Leptotila verreauxi, fusion of the ancestral chromosomes 6 and 7 was observed. However, LAL probes revealed a complex reorganization of ancestral chromosome 1, involving paracentric and pericentric inversions. Because of the presence of similar intrachromosomal rearrangements in the chromosomes corresponding to GGA1q in the Columbidae and Passeriformes species but without a common origin, these results are consistent with the recent proposal of divergence within Neoaves (Passerea and Columbea). In addition, inversions in chromosome 2 were identified in C. picui and L. verreauxi. Thus, in four species of distinct genera of the Columbidae family, unique chromosomal rearrangements have occurred during karyotype evolution, confirming that despite conservation of the ancestral syntenic groups, these chromosomes have been modified by the occurrence of intrachromosomal rearrangements.
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Karyotype Evolution in Birds: From Conventional Staining to Chromosome Painting. Genes (Basel) 2018; 9:genes9040181. [PMID: 29584697 PMCID: PMC5924523 DOI: 10.3390/genes9040181] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2018] [Revised: 03/08/2018] [Accepted: 03/21/2018] [Indexed: 11/17/2022] Open
Abstract
In the last few decades, there have been great efforts to reconstruct the phylogeny of Neoaves based mainly on DNA sequencing. Despite the importance of karyotype data in phylogenetic studies, especially with the advent of fluorescence in situ hybridization (FISH) techniques using different types of probes, the use of chromosomal data to clarify phylogenetic proposals is still minimal. Additionally, comparative chromosome painting in birds is restricted to a few orders, while in mammals, for example, virtually all orders have already been analyzed using this method. Most reports are based on comparisons using Gallus gallus probes, and only a small number of species have been analyzed with more informative sets of probes, such as those from Leucopternis albicollis and Gyps fulvus, which show ancestral macrochromosomes rearranged in alternative patterns. Despite this, it is appropriate to review the available cytogenetic information and possible phylogenetic conclusions. In this report, the authors gather both classical and molecular cytogenetic data and describe some interesting and unique characteristics of karyotype evolution in birds.
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Correction: Cytotaxonomy of Eurypyga helias (Gruiformes, Eurypygidae): First Karyotypic Description and Phylogenetic Proximity with Rynochetidae. PLoS One 2016; 11:e0147458. [PMID: 26765319 PMCID: PMC4713210 DOI: 10.1371/journal.pone.0147458] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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