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de Oliveira AM, Souza GM, Toma GA, Dos Santos N, Dos Santos RZ, Goes CAG, Deon GA, Setti PG, Porto-Foresti F, Utsunomia R, Gunski RJ, Del Valle Garnero A, Herculano Correa de Oliveira E, Kretschmer R, Cioffi MDB. Satellite DNAs, heterochromatin, and sex chromosomes of the wattled jacana (Charadriiformes; Jacanidae): a species with highly rearranged karyotype. Genome 2024; 67:109-118. [PMID: 38316150 DOI: 10.1139/gen-2023-0082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2024]
Abstract
Charadriiformes, which comprises shorebirds and their relatives, is one of the most diverse avian orders, with over 390 species showing a wide range of karyotypes. Here, we isolated and characterized the whole collection of satellite DNAs (satDNAs) at both molecular and cytogenetic levels of one of its representative species, named the wattled jacana (Jacana jacana), a species that contains a typical ZZ/ZW sex chromosome system and a highly rearranged karyotype. In addition, we also investigate the in situ location of telomeric and microsatellite repeats. A small catalog of 11 satDNAs was identified that typically accumulated on microchromosomes and on the W chromosome. The latter also showed a significant accumulation of telomeric signals, being (GA)10 the only microsatellite with positive hybridization signals among all the 16 tested ones. These current findings contribute to our understanding of the genomic organization of repetitive DNAs in a bird species with high degree of chromosomal reorganization contrary to the majority of bird species that have stable karyotypes.
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Affiliation(s)
- Alan Moura de Oliveira
- Departamento de Genética e Evolução, Universidade Federal de São Carlos, São Carlos, São Paulo, Brazil
| | - Guilherme Mota Souza
- Departamento de Genética e Evolução, Universidade Federal de São Carlos, São Carlos, São Paulo, Brazil
| | - Gustavo Akira Toma
- Departamento de Genética e Evolução, Universidade Federal de São Carlos, São Carlos, São Paulo, Brazil
| | | | | | | | - Geize Aparecida Deon
- Departamento de Genética e Evolução, Universidade Federal de São Carlos, São Carlos, São Paulo, Brazil
| | - Princia Grejo Setti
- Departamento de Genética e Evolução, Universidade Federal de São Carlos, São Carlos, São Paulo, Brazil
| | | | | | | | | | | | - Rafael Kretschmer
- Departamento de Ecologia, Zoologia e Genética, Instituto de Biologia, Universidade Federal de Pelotas, Pelotas, Rio Grande do Sul, Brazil
| | - Marcelo de Bello Cioffi
- Departamento de Genética e Evolução, Universidade Federal de São Carlos, São Carlos, São Paulo, Brazil
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Kretschmer R, Toma GA, Deon GA, dos Santos N, dos Santos RZ, Utsunomia R, Porto-Foresti F, Gunski RJ, Garnero ADV, Liehr T, de Oliveira EHC, de Freitas TRO, Cioffi MDB. Satellitome Analysis in the Southern Lapwing ( Vanellus chilensis) Genome: Implications for SatDNA Evolution in Charadriiform Birds. Genes (Basel) 2024; 15:258. [PMID: 38397247 PMCID: PMC10887557 DOI: 10.3390/genes15020258] [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: 01/29/2024] [Revised: 02/14/2024] [Accepted: 02/16/2024] [Indexed: 02/25/2024] Open
Abstract
Vanellus (Charadriidae; Charadriiformes) comprises around 20 species commonly referred to as lapwings. In this study, by integrating cytogenetic and genomic approaches, we assessed the satellite DNA (satDNA) composition of one typical species, Vanellus chilensis, with a highly conserved karyotype. We additionally underlined its role in the evolution, structure, and differentiation process of the present ZW sex chromosome system. Seven distinct satellite DNA families were identified within its genome, accumulating on the centromeres, microchromosomes, and the W chromosome. However, these identified satellite DNA families were not found in two other Charadriiformes members, namely Jacana jacana and Calidris canutus. The hybridization of microsatellite sequences revealed the presence of a few repetitive sequences in V. chilensis, with only two out of sixteen displaying positive hybridization signals. Overall, our results contribute to understanding the genomic organization and satDNA evolution in Charadriiform birds.
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Affiliation(s)
- Rafael Kretschmer
- Departamento de Ecologia, Zoologia e Genética, Universidade Federal de Pelotas, Pelotas 96010-900, RS, Brazil;
| | - Gustavo A. Toma
- Departamento de Genética e Evolução, Universidade Federal de São Carlos, São Carlos 13565-905, SP, Brazil; (G.A.T.); (G.A.D.); (M.d.B.C.)
| | - Geize Aparecida Deon
- Departamento de Genética e Evolução, Universidade Federal de São Carlos, São Carlos 13565-905, SP, Brazil; (G.A.T.); (G.A.D.); (M.d.B.C.)
| | - Natalia dos Santos
- Faculdade de Ciências, Universidade Estadual Paulista, Bauru 13506-900, SP, Brazil; (N.d.S.); (R.Z.d.S.); (R.U.); (F.P.-F.)
| | - Rodrigo Zeni dos Santos
- Faculdade de Ciências, Universidade Estadual Paulista, Bauru 13506-900, SP, Brazil; (N.d.S.); (R.Z.d.S.); (R.U.); (F.P.-F.)
| | - Ricardo Utsunomia
- Faculdade de Ciências, Universidade Estadual Paulista, Bauru 13506-900, SP, Brazil; (N.d.S.); (R.Z.d.S.); (R.U.); (F.P.-F.)
| | - Fabio Porto-Foresti
- Faculdade de Ciências, Universidade Estadual Paulista, Bauru 13506-900, SP, Brazil; (N.d.S.); (R.Z.d.S.); (R.U.); (F.P.-F.)
| | - Ricardo José Gunski
- Laboratório de Diversidade Genética Animal, Universidade Federal do Pampa, São Gabriel 97300-162, RS, Brazil; (R.J.G.); (A.D.V.G.)
| | - Analía Del Valle Garnero
- Laboratório de Diversidade Genética Animal, Universidade Federal do Pampa, São Gabriel 97300-162, RS, Brazil; (R.J.G.); (A.D.V.G.)
| | - Thomas Liehr
- Institute of Human Genetics, Friedrich Schiller University, University Hospital Jena, 07747 Jena, Germany
| | - Edivaldo Herculano Corra de Oliveira
- Laboratório de Citogenô mica e Mutagênese Ambiental, Seção de Meio Ambiente, Instituto Evandro Chagas, Ananindeua 67030-000, PA, Brazil;
- Instituto de Ciências Exatas e Naturais, Universidade Federal do Pará, Belém 66075-110, PA, Brazil
| | - Thales Renato Ochotorena de Freitas
- Laboratório de Citogenética e Evolução, Departamento de Genética, Instituto de Biociências, Universidade Federal do Rio Grande do Sul, Porto Alegre 91509-900, RS, Brazil;
| | - Marcelo de Bello Cioffi
- Departamento de Genética e Evolução, Universidade Federal de São Carlos, São Carlos 13565-905, SP, Brazil; (G.A.T.); (G.A.D.); (M.d.B.C.)
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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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A conserved karyotype? Chromosomal rearrangements in Charadrius collaris detected by BAC-FISH. PLoS One 2023; 18:e0280164. [PMID: 36630423 PMCID: PMC9833595 DOI: 10.1371/journal.pone.0280164] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Accepted: 12/21/2022] [Indexed: 01/12/2023] Open
Abstract
Charadriidae comprise 142 valid species and the most recent checklist for the occurrence of this family in Brazil describes 11 species. There are few chromosomal studies in Charadriidae, most of them using a conventional approach. In Charadrius, only five species had their karyotypes described by classical cytogenetics, of which four have 2n = 76 (C. hiaticula, C. dubius, C. vociferou and C. collaris) and one 2n = 78 (C. alexandrinus alexandrinus). Among these species, only Charadrius collaris had the karyotype studied by chromosome painting, which allowed the identification of chromosomal homeologies with the karyotypes of Gallus gallus (GGA) and Burhinus oedicnemus (BOE). According to the literature, studies performed with BAC-FISH using probes from Gallus gallus and Taeniopygia guttata (TGU) libraries have shown interactions between macro and microchromosomes and micro inversions in chromosomes previously considered conserved. Other studies have shown the fusion of several microchromosomes, forming new macrochromosomes, leading to a decrease in the 2n of some species. The present study aims to deepen the chromosomal information in Charadrius collaris through the application of BAC-FISH with probes from the GGA and TGU libraries, in order to investigate possible rearrangements within the apparently conserved karyotype of this species, and thus better clarify the evolutionary history of the species. Charadrius collaris presented 2n = 76 and fundamental number (FN) equal to 94. Comparative mapping of BAC probes from GGA and TGU in Charadrius collaris revealed hybridization signals from 26 macrochromosome probes. Probes from microchromosomes 9 to 28 of GGA were also used and revealed 31 hybridization signals. The karyotype is well conserved, but it contains a paracentric and a pericentric inversion on the CCO1 chromosome, a paracentric and a pericentric inversion on the CCO4 and the separation of GGA4 into CCO4 and CCO8, demonstrating that the BAC-FISH approach allows for greater data resolution. More studies are needed to improve the understanding of chromosomal evolution within the order Charadriiformes and thus clarify whether these characteristics demonstrated here are specific traits for Charadrius collaris or if other species share these characteristics.
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de Souza MS, Barcellos SA, dos Santos MDS, Gunski RJ, Garnero ADV, de Oliveira EHC, O’Connor RE, Griffin DK, Kretschmer R. Microchromosome BAC-FISH Reveals Different Patterns of Genome Organization in Three Charadriiformes Species. Animals (Basel) 2022; 12:ani12213052. [PMID: 36359176 PMCID: PMC9655014 DOI: 10.3390/ani12213052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 11/02/2022] [Accepted: 11/03/2022] [Indexed: 11/09/2022] Open
Abstract
Microchromosomes, once considered unimportant elements of the genome, represent fundamental building blocks of bird karyotypes. Shorebirds (Charadriiformes) comprise a wide variety of approximately 390 species and are considered a valuable model group for biological studies. Despite this variety, cytogenetic analysis is still very scarce in this bird order. Thus, the aim of this study was to provide insight into the Charadriiformes karyotype, with emphasis on microchromosome evolution in three species of shorebirds-Calidris canutus, Jacana jacana, and Vanellus chilensis-combining classical and molecular approaches. Cross-species FISH mapping applied two BAC probes for each microchromosome, GGA10-28 (except GGA16). The experiments revealed different patterns of microchromosome organization in the species investigated. Hence, while in C. canutus, we found two microchromosomes involved in chromosome fusions, they were present as single pairs in V. chilensis. We also described a new chromosome number for C. canutus (2n = 92). Hence, this study contributed to the understanding of genome organization and evolution of three shorebird species.
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Affiliation(s)
- Marcelo Santos de Souza
- Laboratório de Diversidade Genética Animal, Universidade Federal do Pampa, São Gabriel 97300-162, RS, Brazil
| | - Suziane Alves Barcellos
- Laboratório de Diversidade Genética Animal, Universidade Federal do Pampa, São Gabriel 97300-162, RS, Brazil
| | - Michelly da Silva dos Santos
- Laboratório de Cultura de Tecidos e Citogenética, SAMAM, Instituto Evandro Chagas, Ananindeua 67030-000, PA, Brazil
| | - Ricardo José Gunski
- Laboratório de Diversidade Genética Animal, Universidade Federal do Pampa, São Gabriel 97300-162, RS, Brazil
| | - Analía del Valle Garnero
- Laboratório de Diversidade Genética Animal, Universidade Federal do Pampa, São Gabriel 97300-162, RS, Brazil
| | - Edivaldo Herculano Corrêa de Oliveira
- Laboratório de Cultura de Tecidos e Citogenética, SAMAM, Instituto Evandro Chagas, Ananindeua 67030-000, PA, Brazil
- Instituto de Ciências Exatas e Naturais, Universidade Federal do Pará, Belém 66075-110, PA, Brazil
| | | | | | - Rafael Kretschmer
- Departamento de Ecologia, Zoologia e Genética, Instituto de Biologia, Universidade Federal de Pelotas, Pelotas 96010-900, RS, Brazil
- Correspondence:
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6
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Pinheiro MLS, Nagamachi CY, Ribas TFA, Diniz CG, O´Brien PCM, Ferguson-Smith MA, Yang F, Pieczarka JC. Chromosomal painting in Charadrius collaris Vieillot, 1818 and Vanellus chilensis Molina, 1782 and an analysis of chromosomal signatures in Charadriiformes. PLoS One 2022; 17:e0272836. [PMID: 35947613 PMCID: PMC9365183 DOI: 10.1371/journal.pone.0272836] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Accepted: 07/27/2022] [Indexed: 11/19/2022] Open
Abstract
Charadriiformes represent one of the largest orders of birds; members of this order are diverse in morphology, behavior and reproduction, making them an excellent model for studying evolution. It is accepted that the avian putative ancestral karyotype, with 2n = 80, remains conserved for about 100 million years. So far, only a few species of Charadriiformes have been studied using molecular cytogenetics. Here, we performed chromosome painting on metphase chromosomes of two species of Charadriidae, Charadrius collaris and Vanellus chilensis, with whole chromosome paint probes from Burhinus oedicnemus. Charadrius collaris has a diploid number of 76, with both sex chromosomes being submetacentric. In V. chilensi a diploid number of 78 was identified, and the Z chromosome is submetacentric. Chromosome painting suggests that chromosome conservation is a characteristic common to the family Charadriidae. The results allowed a comparative analysis between the three suborders of Charadriiformes and the order Gruiformes using chromosome rearrangements to understand phylogenetic relationships between species and karyotypic evolution. However, the comparative analysis between the Charadriiformes suborders so far has not revealed any shared rearrangements, indicating that each suborder follows an independent evolutionary path, as previously proposed. Likewise, although the orders Charadriiformes and Gruiformes are placed on sister branches, they do not share any signature chromosomal rearrangements.
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Affiliation(s)
- Melquizedec Luiz Silva Pinheiro
- Laboratório de Citogenética, Centro de Estudos Avançados da Biodiversidade, ICB, Universidade Federal do Pará, Belém, Pará, Brazil
| | - Cleusa Yoshiko Nagamachi
- Laboratório de Citogenética, Centro de Estudos Avançados da Biodiversidade, ICB, Universidade Federal do Pará, Belém, Pará, Brazil
| | - Talita Fernanda Augusto Ribas
- Laboratório de Citogenética, Centro de Estudos Avançados da Biodiversidade, ICB, Universidade Federal do Pará, Belém, Pará, Brazil
| | - Cristovam Guerreiro Diniz
- Laboratório de Biologia Molecular e Neuroecologia, Instituto Federal do Pará, Campus de Bragança, Bragança, Pará, Brazil
| | - Patricia Caroline Mary O´Brien
- Department of Veterinary Medicine, Cambridge Resource Centre for Comparative Genomics, University of Cambridge, Cambridge, United Kingdom
| | - Malcolm Andrew Ferguson-Smith
- Department of Veterinary Medicine, Cambridge Resource Centre for Comparative Genomics, University of Cambridge, Cambridge, United Kingdom
| | - Fengtang Yang
- Cytogenetics Facility, Wellcome Trust Sanger Institute, Hinxton, Cambridgeshire, United Kingdom
| | - Julio Cesar Pieczarka
- Laboratório de Citogenética, Centro de Estudos Avançados da Biodiversidade, ICB, Universidade Federal do Pará, Belém, Pará, Brazil
- * E-mail:
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7
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Wang J, Su W, Hu Y, Li S, O'Brien PCM, Ferguson-Smith MA, Yang F, Nie W. Comparative chromosome maps between the stone curlew and three ciconiiform species (the grey heron, little egret and crested ibis). BMC Ecol Evol 2022; 22:23. [PMID: 35240987 PMCID: PMC8892796 DOI: 10.1186/s12862-022-01979-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Accepted: 02/18/2022] [Indexed: 11/17/2022] Open
Abstract
Background Previous cytogenetic studies show that the karyotypes of species in Ciconiiformes vary considerably, from 2n = 52 to 78. Their karyotypes include different numbers of small to minute bi-armed chromosomes that have evolved probably by fusions of two ancestral microchromosomes, besides macrochromosomes and dot-like microchromosomes. However, it is impossible to define the inter-species homologies of such small-sized bi-armed chromosomes based on chromosome morphology and banding characteristics. Although painting probes from the chicken (Gallus gallus, GGA) chromosomes 1–9 and Z have been widely used to investigate avian chromosome homologies, GGA microchromosome probes are rarely used in these studies because most GGA microchromosome probes generated by flow sorting often contain multiple GGA microchromosomes. In contrast, the stone curlew (Burhinus oedicnemus, BOE, Charadriiformes) has an atypical low diploid chromosome number (42) karyotype and only 4 pairs of dot-like microchromosomes; a set of chromosome-specific painting probes that cover all BOE chromosomes has been generated. To get a genome-wide view of evolutionary chromosomal rearrangements in different lineages of Ciconiiformes, we used BOE painting probes instead of GGA painting probes to analyze the karyotypes of three ciconiiform species belonging to two different families: the eastern grey heron (Ardea cinerea, ACI, 2n = 64, Ardeidae), the little egret (Egretta garzetta, EGA, 2n = 64, Ardeidae) and the crested ibis (Nipponia nippon, NNI, 2n = 68, Threskiornithidae). Results BOE painting probes display the same hybridization pattern on chromosomes of ACI and EGA, while a different hybridization pattern is observed on chromosomes of NNI. BOE autosome probes detected 21 conserved homologous segments and 5 fusions on the sixteen pairs of recognizable chromosomes of ACI and EGA, while 16 conserved homologous segments and 4 fusions were found on the twelve pairs of recognizable chromosomes of NNI. Only a portion of smaller bi-armed chromosomes in the karyotypes of the ciconiiform species could have evolved from fusions of ancestral microchromosomes. In particular BOE 5, which is the result of a fusion between two segments homologous to GGA 7 and 8 respectively, was retained also as either a single chromosome in ACI (ACI 5) and EGA (EGA 5) or had fused with a part of the BOE 10 equivalent in NNI (NNI 5). Conclusion Our painting results indicate that different chromosome rearrangements occur in different ciconiiform lineages. Some of the small-sized bi-armed chromosomes in ACI, EGA and NNI are derived from the fusions of two microchromosomes, indicating that microchromosome fusions play an important role in ciconiiform chromosome evolution. The fusion segment homologous to GGA 7 and 8 is a potential cytogenetic signature that unites Ardeidae and Threskiornithidae.
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Affiliation(s)
- Jinhuan Wang
- State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, 650223, Yunnan, People's Republic of China
| | - Weiting Su
- State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, 650223, Yunnan, People's Republic of China
| | - Yi Hu
- State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, 650223, Yunnan, People's Republic of China
| | - Shengbin Li
- Key Laboratory of Forensic Sciences, Ministry of Health, Xi'an Jiaotong University, Xi'an, 710061, People's Republic of China
| | - Patricia C M O'Brien
- Cambridge Resource Centre for Comparative Genomics, Department of Veterinary Medicine, University of Cambridge, Cambridge, CB3 0ES, UK
| | - Malcolm A Ferguson-Smith
- Cambridge Resource Centre for Comparative Genomics, Department of Veterinary Medicine, University of Cambridge, Cambridge, CB3 0ES, UK
| | - Fengtang Yang
- School of Life Sciences and Medicine, Shandong University of Technology, Zibo, 255049, Shandong, People's Republic of China.
| | - Wenhui Nie
- State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, 650223, Yunnan, People's Republic of China.
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8
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Ribas TFA, Pieczarka JC, Griffin DK, Kiazim LG, Nagamachi CY, O Brien PCM, Ferguson-Smith MA, Yang F, Aleixo A, O'Connor RE. Analysis of multiple chromosomal rearrangements in the genome of Willisornis vidua using BAC-FISH and chromosome painting on a supposed conserved karyotype. BMC Ecol Evol 2021; 21:34. [PMID: 33653261 PMCID: PMC7927240 DOI: 10.1186/s12862-021-01768-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Accepted: 02/16/2021] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND Thamnophilidae birds are the result of a monophyletic radiation of insectivorous Passeriformes. They are a diverse group of 225 species and 45 genera and occur in lowlands and lower montane forests of Neotropics. Despite the large degree of diversity seen in this family, just four species of Thamnophilidae have been karyotyped with a diploid number ranging from 76 to 82 chromosomes. The karyotypic relationships within and between Thamnophilidae and another Passeriformes therefore remain poorly understood. Recent studies have identified the occurrence of intrachromosomal rearrangements in Passeriformes using in silico data and molecular cytogenetic tools. These results demonstrate that intrachromosomal rearrangements are more common in birds than previously thought and are likely to contribute to speciation events. With this in mind, we investigate the apparently conserved karyotype of Willisornis vidua, the Xingu Scale-backed Antbird, using a combination of molecular cytogenetic techniques including chromosome painting with probes derived from Gallus gallus (chicken) and Burhinus oedicnemus (stone curlew), combined with Bacterial Artificial Chromosome (BAC) probes derived from the same species. The goal was to investigate the occurrence of rearrangements in an apparently conserved karyotype in order to understand the evolutionary history and taxonomy of this species. In total, 78 BAC probes from the Gallus gallus and Taeniopygia guttata (the Zebra Finch) BAC libraries were tested, of which 40 were derived from Gallus gallus macrochromosomes 1-8, and 38 from microchromosomes 9-28. RESULTS The karyotype is similar to typical Passeriformes karyotypes, with a diploid number of 2n = 80. Our chromosome painting results show that most of the Gallus gallus chromosomes are conserved, except GGA-1, 2 and 4, with some rearrangements identified among macro- and microchromosomes. BAC mapping revealed many intrachromosomal rearrangements, mainly inversions, when comparing Willisornis vidua karyotype with Gallus gallus, and corroborates the fissions revealed by chromosome painting. CONCLUSIONS Willisornis vidua presents multiple chromosomal rearrangements despite having a supposed conservative karyotype, demonstrating that our approach using a combination of FISH tools provides a higher resolution than previously obtained by chromosome painting alone. We also show that populations of Willisornis vidua appear conserved from a cytogenetic perspective, despite significant phylogeographic structure.
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Affiliation(s)
- Talita Fernanda Augusto Ribas
- Laboratório de Citogenética, Centro de Estudos Avançados da Biodiversidade, Instituto de Ciências Biológicas, Universidade Federal do Pará, Belém, Brazil
- School of Biosciences, University of Kent, Canterbury, UK
| | - Julio Cesar Pieczarka
- Laboratório de Citogenética, Centro de Estudos Avançados da Biodiversidade, Instituto de Ciências Biológicas, Universidade Federal do Pará, Belém, Brazil
| | | | - Lucas G Kiazim
- School of Biosciences, University of Kent, Canterbury, UK
| | - Cleusa Yoshiko Nagamachi
- Laboratório de Citogenética, Centro de Estudos Avançados da Biodiversidade, Instituto de Ciências Biológicas, Universidade Federal do Pará, Belém, Brazil
| | - Patricia Caroline Mary O Brien
- Cambridge Resource Centre for Comparative Genomics, Department of Veterinary Medicine, University of Cambridge, Cambridge, UK
| | - Malcolm Andrew Ferguson-Smith
- Cambridge Resource Centre for Comparative Genomics, Department of Veterinary Medicine, University of Cambridge, Cambridge, UK
| | - Fengtang Yang
- Cytogenetics Facility, Wellcome Trust Sanger Institute, Hinxton, UK
| | - Alexandre Aleixo
- Finnish Museum of Natural History, University of Helsinki, Helsinki, Finland
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9
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Comparative Mapping of the Macrochromosomes of Eight Avian Species Provides Further Insight into Their Phylogenetic Relationships and Avian Karyotype Evolution. Cells 2021; 10:cells10020362. [PMID: 33572408 PMCID: PMC7916199 DOI: 10.3390/cells10020362] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Revised: 01/30/2021] [Accepted: 02/02/2021] [Indexed: 11/17/2022] Open
Abstract
Avian genomes typically consist of ~10 pairs of macro- and ~30 pairs of microchromosomes. While inter-chromosomally, a pattern emerges of very little change (with notable exceptions) throughout evolution, intrachromosomal changes remain relatively poorly studied. To rectify this, here we use a pan-avian universally hybridising set of 74 chicken bacterial artificial chromosome (BAC) probes on the macrochromosomes of eight bird species: common blackbird, Atlantic canary, Eurasian woodcock, helmeted guinea fowl, houbara bustard, mallard duck, and rock dove. A combination of molecular cytogenetic, bioinformatics, and mathematical analyses allowed the building of comparative cytogenetic maps, reconstruction of a putative Neognathae ancestor, and assessment of chromosome rearrangement patterns and phylogenetic relationships in the studied neognath lineages. We observe that, as with our previous studies, chicken appears to have the karyotype most similar to the ancestor; however, previous reports of an increased rate of intrachromosomal change in Passeriformes (songbirds) appear not to be the case in our dataset. The use of this universally hybridizing probe set is applicable not only for the re-tracing of avian karyotype evolution but, potentially, for reconstructing genome assemblies.
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Pinheiro MLS, Nagamachi CY, Ribas TFA, Diniz CG, O Brien PCM, Ferguson-Smith MA, Yang F, Pieczarka JC. Chromosomal painting of the sandpiper (Actitis macularius) detects several fissions for the Scolopacidae family (Charadriiformes). BMC Ecol Evol 2021; 21:8. [PMID: 33514318 PMCID: PMC7853317 DOI: 10.1186/s12862-020-01737-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Accepted: 12/14/2020] [Indexed: 11/12/2022] Open
Abstract
Background The Scolopacidae family (Suborder Scolopaci, Charadriiformes) is composed of sandpipers and snipes; these birds are long-distance migrants that show great diversity in their behavior and habitat use. Cytogenetic studies in the Scolopacidae family show the highest diploid numbers for order Charadriiformes. This work analyzes for the first time the karyotype of Actitis macularius by classic cytogenetics and chromosome painting. Results The species has a diploid number of 92, composed mostly of telocentric pairs. This high 2n is greater than the proposed 80 for the avian ancestral putative karyotype (a common feature among Scolopaci), suggesting that fission rearrangements have formed smaller macrochromosomes and microchromosomes. Fluorescence in situ hybridization using Burhinus oedicnemus whole chromosome probes confirmed the fissions in pairs 1, 2, 3, 4 and 6 of macrochromosomes. Conclusion Comparative analysis with other species of Charadriiformes studied by chromosome painting together with the molecular phylogenies for the order allowed us to raise hypotheses about the chromosomal evolution in suborder Scolopaci. From this, we can establish a clear idea of how chromosomal evolution occurred in this suborder.
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Affiliation(s)
- Melquizedec Luiz Silva Pinheiro
- Laboratório de Citogenética, Centro de Estudos Avançados da Biodiversidade, ICB, Universidade Federal do Pará, PCT-Guamá, Terreno 11, Belém, Pará, 66075-750, Brazil
| | - Cleusa Yoshiko Nagamachi
- Laboratório de Citogenética, Centro de Estudos Avançados da Biodiversidade, ICB, Universidade Federal do Pará, PCT-Guamá, Terreno 11, Belém, Pará, 66075-750, Brazil
| | - Talita Fernanda Augusto Ribas
- Laboratório de Citogenética, Centro de Estudos Avançados da Biodiversidade, ICB, Universidade Federal do Pará, PCT-Guamá, Terreno 11, Belém, Pará, 66075-750, Brazil
| | - Cristovam Guerreiro Diniz
- Laboratório de Biologia Molecular e Neuroecologia, Instituto Federal do Pará, Campus de Bragança, Avenida dos Bragançanos s/nº, Bragança, Pará, 68600-000, Brazil
| | - Patricia Caroline Mary O Brien
- Department of Veterinary Medicine, Cambridge Resource Centre for Comparative Genomics, University of Cambridge, Cambridge, CB3 0ES, UK
| | - Malcolm Andrew Ferguson-Smith
- Department of Veterinary Medicine, Cambridge Resource Centre for Comparative Genomics, University of Cambridge, Cambridge, CB3 0ES, UK
| | - Fengtang Yang
- Cytogenetics Facility, Wellcome Trust Sanger Institute, Hinxton, CB10 1SA, Cambridgeshire, UK
| | - Julio Cesar Pieczarka
- Laboratório de Citogenética, Centro de Estudos Avançados da Biodiversidade, ICB, Universidade Federal do Pará, PCT-Guamá, Terreno 11, Belém, Pará, 66075-750, Brazil.
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11
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Furo IDO, Kretschmer R, O'Brien PCM, Pereira JCDC, Gunski RJ, Garnero ADV, O'Connor RE, Griffin DK, Ferguson-Smith MA, Oliveira EHCD. Cytotaxonomy of Gallinula melanops (Gruiformes, Rallidae): Karyotype evolution and phylogenetic inference. Genet Mol Biol 2021; 44:e20200241. [PMID: 33821875 PMCID: PMC8022357 DOI: 10.1590/1678-4685-gmb-2020-0241] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Accepted: 01/29/2021] [Indexed: 11/22/2022] Open
Abstract
Although Rallidae is the most diverse family within Gruiformes, there is little information concerning the karyotype of the species in this group. In fact, Gallinula melanops, a species of Rallidae found in Brazil, is among the few species studied cytogenetically, but only with conventional staining and repetitive DNA mapping, showing 2n=80. Thus, in order to understand the karyotypic evolution and phylogeny of this group, the present study aimed to analyze the karyotype of G. melanops by classical and molecular cytogenetics, comparing the results with other species of Gruiformes. The results show that G. melanops has the same chromosome rearrangements as described in Gallinula chloropus (Clade Fulica), including fission of ancestral chromosomes 4 and 5 of Gallus gallus (GGA), beyond the fusion between two of segments resultants of the GGA4/GGA5, also fusions between the chromosomes GGA6/GGA7. Thus, despite the fact that some authors have suggested the inclusion of G. melanops in genus Porphyriops, our molecular cytogenetic results confirm its place in the Gallinula genus.
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Affiliation(s)
- Ivanete de Oliveira Furo
- Universidade Federal Rural da Amazônia (UFRA) Laboratório de Reprodução Animal (LABRAC), Parauapebas, PA, Brazil
- University of Cambridge Department of Veterinary Medicine, Cambridge Resource Centre for Comparative Genomics, Cambridge, United Kingdom
| | - Rafael Kretschmer
- Universidade Federal do Rio Grande do Sul, Programa de Pós-graduação em Genética e Biologia Molecular (PPGBM), Porto Alegre, RS, Brazil
- University of Kent, School of Biosciences, Canterbury, United Kingdom
| | - Patricia C M O'Brien
- University of Cambridge Department of Veterinary Medicine, Cambridge Resource Centre for Comparative Genomics, Cambridge, United Kingdom
| | - Jorge Claudio da Costa Pereira
- University of Cambridge Department of Veterinary Medicine, Cambridge Resource Centre for Comparative Genomics, Cambridge, United Kingdom
- University of Trás-os-Montes and Alto Douro (UTAD), Animal and Veterinary Research Centre (CECAV), Vila Real, Portugal
| | - 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
| | | | | | - Malcolm A Ferguson-Smith
- University of Cambridge Department of Veterinary Medicine, Cambridge Resource Centre for Comparative Genomics, Cambridge, United Kingdom
| | - Edivaldo Herculano Corrêa de Oliveira
- Instituto Evandro Chagas, Laboratório de Cultura de Tecidos e Citogenética (SAMAM), Ananindeua, PA, Brazil
- Universidade Federal do Pará, Instituto de Ciências Exatas e Naturais, Belém, PA, Brazil
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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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Degrandi TM, Barcellos SA, Costa AL, Garnero ADV, Hass I, Gunski RJ. Introducing the Bird Chromosome Database: An Overview of Cytogenetic Studies in Birds. Cytogenet Genome Res 2020; 160:199-205. [PMID: 32369809 DOI: 10.1159/000507768] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2019] [Accepted: 03/26/2020] [Indexed: 11/19/2022] Open
Abstract
Bird chromosomes, which have been investigated scientifically for more than a century, present a number of unique features. In general, bird karyotypes have a high diploid number (2n) of typically around 80 chromosomes that are divided into macro- and microchromosomes. In recent decades, FISH studies using whole chromosome painting probes have shown that the macrochromosomes evolved through both inter- and intrachromosomal rearrangements. However, chromosome painting data are available for only a few bird species, which hinders a more systematic approach to the understanding of the evolutionary history of the enigmatic bird karyotype. Thus, we decided to create an innovative database through compilation of the cytogenetic data available for birds, including chromosome numbers and the results of chromosome painting with chicken (Gallus gallus) probes. The data were obtained through an extensive literature review, which focused on cytogenetic studies published up to 2019. In the first version of the "Bird Chromosome Database (BCD)" (https://sites.unipampa.edu.br/birdchromosomedatabase) we have compiled data on the chromosome numbers of 1,067 bird species and chromosome painting data on 96 species. We found considerable variation in the diploid numbers, which ranged from 40 to 142, although most (around 50%) of the species studied up to now have between 78 and 82 chromosomes. Despite its importance for cytogenetic research, chromosome painting has been applied to less than 1% of all bird species. The BCD will enable researchers to identify the main knowledge gaps in bird cytogenetics, including the most under-sampled groups, and make inferences on chromosomal homologies in phylogenetic studies.
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Degrandi TM, Gunski RJ, Garnero ADV, Oliveira EHCD, Kretschmer R, Souza MSD, Barcellos SA, Hass I. The distribution of 45S rDNA sites in bird chromosomes suggests multiple evolutionary histories. Genet Mol Biol 2020; 43:e20180331. [PMID: 32251493 PMCID: PMC7197993 DOI: 10.1590/1678-4685-gmb-2018-0331] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2018] [Accepted: 05/08/2019] [Indexed: 03/08/2023] Open
Abstract
The distribution of 45S rDNA cluster in avian karyotypes varies in different
aspects, such as position, number of bearer chromosomes, and bearers being
macro- or microchromosomes. The present study investigated the patterns of
variation in the 45S rDNA-bearer chromosomes of birds in order to understand the
evolutionary dynamics of the cluster configuration and its contribution to the
evolution of bird karyotypes. A total of 73 bird species were analyzed,
including both published data and species for which rDNA-FISH was conducted for
the first time. In most birds, the 45S rDNA clusters were located in a single
pair of microchromosomes. Hence, the location of 45S rDNA in macrochromosomes,
observed only in Neognathae species, seems to be a derived state, probably the
result of chromosomal fusion between microchromosomes and distinct
macrochromosomes. Additionally, the 45S rDNA was observed in multiple
microchromosomes in different branches of the bird phylogeny, suggesting
recurrence of dispersion processeses, such as duplications and translocations.
Overall, this study indicated that the redistribution of the 45S rDNA sites in
bird chromosomes followed different evolutionary trajectories with respect to
each lineage of the class Aves.
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Affiliation(s)
| | | | | | | | - Rafael Kretschmer
- Universidade Federal do Rio Grande do Sul (UFRGS), Instituto de Biociências, Porto Alegre, RS, Brazil
| | | | | | - Iris Hass
- Universidade Federal do Paraná (UFPR), Departamento de Genética, Curitiba, PR, Brazil
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15
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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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Kretschmer R, Souza MSD, Barcellos SA, Degrandi TM, Pereira JC, O'Brien PCM, Ferguson-Smith MA, Gunski RJ, Garnero ADV, Oliveira EHCD, Freitas TROD. Novel insights into chromosome evolution of Charadriiformes: extensive genomic reshuffling in the wattled jacana (Jacana jacana, Charadriiformes, Jacanidae). Genet Mol Biol 2020; 43:e20190236. [PMID: 32105288 PMCID: PMC7198006 DOI: 10.1590/1678-4685-gmb-2019-0236] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2019] [Accepted: 12/22/2019] [Indexed: 01/01/2023] Open
Abstract
The order Charadriiformes comprises three major clades: Lari and Scolopaci as sister group to Charadrii. Until now, only three Charadriiformes species have been studied by chromosome painting: Larus argentatus (Lari), Burhinus oedicnemus and Vanellus chilensis (Charadrii). Hence, there is a lack of information concerning the third clade, Scolapaci. Based on this, and to gain a better understanding of karyotype evolution in the order Charadriiformes, we applied conventional and molecular cytogenetic approaches in a species belonging to clade Scolopaci - the wattled jacana (Jacana jacana) - using Gallus gallus and Zenaida auriculata chromosome-specific probes. Cross-species evaluation of J. jacana chromosomes shows extensive genomic reshuffling within macrochromosomes during evolution, with multiple fission and fusion events, although the diploid number remains at high level (2n=82). Interestingly, this species does not have the GGA7-8 fusion, which was found in two representatives of Charadrii clade, reinforcing the idea that this fusion may be exclusive to the Charadrii clade. In addition, it is shown that the chromosome evolution in Charadriiformes is complex and resulted in species with typical and atypical karyotypes. The karyotypic features of Scolopaci are very different from those of Charadrii and Lari, indicating that after divergence, each suborder has undergone different chromosome rearrangements.
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Affiliation(s)
- Rafael Kretschmer
- Universidade Federal do Rio Grande do Sul, Programa de Pós-graduação em Genética e Biologia Molecular - PPGBM, Porto Alegre, Rio Grande do Sul, RS, Brazil.,University of Cambridge, Department of Veterinary Medicine, Cambridge Resource Centre for Comparative Genomics, Cambridge, United Kingdom
| | - Marcelo Santos de Souza
- Universidade Federal do Pampa, Programa de Pós-graduação em Ciências Biológicas - PPGCB, São Gabriel, Rio Grande do Sul, RS, Brazil
| | - Suziane Alves Barcellos
- Universidade Federal do Pampa, Programa de Pós-graduação em Ciências Biológicas - PPGCB, São Gabriel, Rio Grande do Sul, RS, Brazil
| | - Tiago Marafiga Degrandi
- Universidade Federal do Paraná, Laboratório de Citogenética e Genética da Conservação Animal, Programa de Pós-graduação em Genética, Curitiba, PR, Brazil
| | - Jorge C Pereira
- University of Cambridge, Department of Veterinary Medicine, Cambridge Resource Centre for Comparative Genomics, Cambridge, United Kingdom
| | - Patricia C M O'Brien
- University of Cambridge, Department of Veterinary Medicine, Cambridge Resource Centre for Comparative Genomics, Cambridge, United Kingdom
| | - Malcolm A Ferguson-Smith
- University of Cambridge, Department of Veterinary Medicine, Cambridge Resource Centre for Comparative Genomics, Cambridge, United Kingdom
| | - Ricardo José Gunski
- Universidade Federal do Pampa, Programa de Pós-graduação em Ciências Biológicas - PPGCB, São Gabriel, Rio Grande do Sul, RS, Brazil
| | - Analía Del Valle Garnero
- Universidade Federal do Pampa, Programa de Pós-graduação em Ciências Biológicas - PPGCB, São Gabriel, Rio Grande do Sul, RS, Brazil
| | - 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 - SAMAM, Ananindeua, PA, Brazil
| | - Thales Renato Ochotorena de Freitas
- Universidade Federal do Rio Grande do Sul, Programa de Pós-graduação em Genética e Biologia Molecular - PPGBM, Porto Alegre, Rio Grande do Sul, RS, Brazil
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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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Kartout-Benmessaoud Y, Ladjali-Mohammedi K. Banding cytogenetics of chimeric hybrids Coturnixcoturnix × Coturnixjaponica and comparative analysis with the domestic fowl. COMPARATIVE CYTOGENETICS 2018; 12:445-470. [PMID: 30364889 PMCID: PMC6199345 DOI: 10.3897/compcytogen.v12i4.27341] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/10/2018] [Accepted: 09/12/2018] [Indexed: 06/08/2023]
Abstract
The Common quail Coturnixcoturnix Linnaeus, 1758 is a wild migratory bird which is distributed in Eurasia and North Africa, everywhere with an accelerating decline in population size. This species is protected by the Bonn and Berne conventions (1979) and by annex II/1 of the Birds Directive (2009). In Algeria, its breeding took place at the hunting centre in the west of the country. Breeding errors caused uncontrolled crosses between the Common quail and Japanese quail Coturnixjaponica Temminck & Schlegel, 1849. In order to help to preserve the natural genetic heritage of the Common quail and to lift the ambiguity among the populations of quail raised in Algeria, it seemed essential to begin to describe the chromosomes of this species in the country since no cytogenetic study has been reported to date. Fibroblast cultures from embryo and adult animal were initiated. Double synchronization with excess thymidine allowed us to obtain high resolution chromosomes blocked at prometaphase stage. The karyotype and the idiogram in GTG morphological banding (G-bands obtained with trypsin and Giemsa) corresponding to larger chromosomes 1-12 and ZW pair were thus established. The diploid set of chromosomes was estimated as 2N=78. Cytogenetic analysis of expected hybrid animals revealed the presence of a genetic introgression and cellular chimerism. This technique is effective in distinguishing the two quail taxa. Furthermore, the comparative chromosomal analysis of the two quails and domestic chicken Gallusgallusdomesticus Linnaeus, 1758 has been conducted. Differences in morphology and/or GTG band motifs were observed on 1, 2, 4, 7, 8 and W chromosomes. Neocentromere occurrence was suggested for Common quail chromosome 1 and Chicken chromosomes 4 and W. Double pericentric inversion was observed on the Common quail chromosome 2 while pericentric inversion hypothesis was proposed for Chicken chromosome 8. A deletion on the short arm of the Common quail chromosome 7 was also found. These results suggest that Common quail would be a chromosomally intermediate species between Chicken and Japanese quail. The appearance of only a few intrachromosomal rearrangements that occurred during evolution suggests that the organization of the genome is highly conserved between these three galliform species.
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Affiliation(s)
- Yasmine Kartout-Benmessaoud
- University of Sciences and Technology Houari Boumediene, Faculty of Biological Sciences, Laboratory of Cellular and Molecular Biology, Team of Developmental Genetics. USTHB, PO box 32 El-Alia, Bab-Ezzouar, 16110 Algiers, AlgeriaUniversity of Sciences and Technology Houari BoumedieneBab-EzzouarAlgeria
- University of Bejaia, Faculty of Nature and Life Sciences, Department of Physico-Chemical Biology, 06000, Bejaia, AlgeriaUniversity of BejaiaBejaiaAlgeria
| | - Kafia Ladjali-Mohammedi
- University of Sciences and Technology Houari Boumediene, Faculty of Biological Sciences, Laboratory of Cellular and Molecular Biology, Team of Developmental Genetics. USTHB, PO box 32 El-Alia, Bab-Ezzouar, 16110 Algiers, AlgeriaUniversity of Sciences and Technology Houari BoumedieneBab-EzzouarAlgeria
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Ribas TFA, Nagamachi CY, Aleixo A, Pinheiro MLS, O´Brien PCM, Ferguson-Smith MA, Yang F, Suarez P, Pieczarka JC. Chromosome painting in Glyphorynchus spirurus (Vieillot, 1819) detects a new fission in Passeriformes. PLoS One 2018; 13:e0202040. [PMID: 30138388 PMCID: PMC6107148 DOI: 10.1371/journal.pone.0202040] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2018] [Accepted: 07/26/2018] [Indexed: 11/18/2022] Open
Abstract
Glyphorynchus spirurus (GSP), also called the Wedge-billed Woodcreeper (Furnariidae) has an extensive distribution in the Americas, including the Atlantic coast of Brazil. Nevertheless, there is no information about its karyotype or genome organization. To contribute to the knowledge of chromosomal evolution in Passeriformes we analysed the karyotype of Glyphorynchus spirurus by classic and molecular cytogenetics methods. We show that Glyphorynchus spirurus has a 2n = 80 karyotype with a fundamental number (FN) of 84, similar to the avian putative ancestral karyotype (PAK). Glyphorynchus spirurus pair 1 was heteromorphic in the Tapajós population whereby the short arms varied in sizes, possibly due to a pericentric inversion, as described in other Furnariidae birds. FISH with the Histone H5 probe revealed a signal in the pericentromeric region of G. spirurus chromosome 5 and rDNA 18S showed interstitial signal in GSP-1. Chromosome painting with Gallus gallus (GGA) macrochromosomes 1-9 probes showed disruption of chromosome syntenies of GGA-1, 2 and 4 by fission in Glyphorynchus spirurus. Our results confirm that the GGA1 centric fission is a synapomorphic character for the phylogenetic branch composed of Strigiformes, Passeriformes, Columbiformes and Falconiformes. On the other hand, the GGA-2 fission is reported here for the first time in Passeriformes. Chromosome painting with BOE whole chromosome probes confirmed these rearrangements in Glyphorynchus spirurus revealed by Gallus gallus 1-9 probes, in addition to enabling the establishment of genome-wide homology map.
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Affiliation(s)
- Talita Fernanda Augusto Ribas
- Laboratório de Citogenética, Centro de Estudos Avançados da Biodiversidade, Instituto de Ciências Biológicas, Universidade Federal do Pará, Belém, Brazil
| | - Cleusa Yoshiko Nagamachi
- Laboratório de Citogenética, Centro de Estudos Avançados da Biodiversidade, Instituto de Ciências Biológicas, Universidade Federal do Pará, Belém, Brazil
- CNPq Researcher, Conselho Nacional de Desenvolvimento Científico e Tecnológico, Brasilia, Brazil
| | - Alexandre Aleixo
- Department of Zoology, Museu Paraense Emílio Goeldi, Belém, Brazil
| | - Melquizedec Luiz Silva Pinheiro
- Laboratório de Citogenética, Centro de Estudos Avançados da Biodiversidade, Instituto de Ciências Biológicas, Universidade Federal do Pará, Belém, Brazil
| | - Patricia Caroline Mary O´Brien
- Cambridge Resource Centre for Comparative Genomics, Department of Veterinary Medicine, University of Cambridge, Cambridge, United Kingdom
| | - Malcolm Andrew Ferguson-Smith
- Cambridge Resource Centre for Comparative Genomics, Department of Veterinary Medicine, University of Cambridge, Cambridge, United Kingdom
| | - Fengtang Yang
- Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, Cambridge, United Kingdom
| | - Pablo Suarez
- Instituto de Biología Subtropical (IBS), CONICET-UNaM, Puerto Iguazú, Misiones, Argentina
| | - Julio Cesar Pieczarka
- Laboratório de Citogenética, Centro de Estudos Avançados da Biodiversidade, Instituto de Ciências Biológicas, Universidade Federal do Pará, Belém, Brazil
- CNPq Researcher, Conselho Nacional de Desenvolvimento Científico e Tecnológico, Brasilia, Brazil
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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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Degrandi TM, de Oliveira JCP, Soares ADA, Ledesma MA, Hass I, Garnero ADV, Gunski RJ. Karyotype description and comparative analysis in Ringed Kingfisher and Green Kingfisher (Coraciiformes, Alcedinidae). COMPARATIVE CYTOGENETICS 2018; 12:163-170. [PMID: 29780444 PMCID: PMC5958172 DOI: 10.3897/compcytogen.v12i2.23883] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/07/2018] [Accepted: 03/21/2018] [Indexed: 06/08/2023]
Abstract
Kingfishers comprise about 115 species of the family Alcedinidae, and are an interesting group for cytogenetic studies, for they are among birds with most heterogeneous karyotypes. However, cytogenetics knowledge in Kingfishers is extremely limited. Thus, the aim of this study was to describe the karyotype structure of the Ringed Kingfisher (Megaceryle torquata Linnaeus, 1766) and Green Kingfisher (Chloroceryle americana Gmelin, 1788) and also compare them with related species in order to identify chromosomal rearrangements. The Ringed Kingfisher presented 2n = 84 and the Green Kingfisher had 2n = 94. The increase of the chromosome number in the Green Kingfisher possibly originated by centric fissions in macrochromosomes. In addition, karyotype comparisons in Alcedinidae show a heterogeneity in the size and morphology of macrochromosomes, and chromosome numbers ranging from 2n = 76 to 132. Thus, it is possible chromosomal fissions in macrochromosomes resulted in the increase of the diploid number, whereas chromosome fusions have originated the karyotypes with low diploid number.
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Affiliation(s)
- Tiago Marafiga Degrandi
- Universidade Federal do Paraná, Av. Coronel Francisco Heráclito dos Santos, s/n, Curitiba, Paraná, Brazil
| | | | - Amanda de Araújo Soares
- Universidade Federal do Paraná, Av. Coronel Francisco Heráclito dos Santos, s/n, Curitiba, Paraná, Brazil
| | | | - Iris Hass
- Universidade Federal do Paraná, Av. Coronel Francisco Heráclito dos Santos, s/n, Curitiba, Paraná, Brazil
| | - Analía del Valle Garnero
- Universidade Federal do Pampa, Rua Aluízio Barros Macedo, BR 290, km 423 Bairro Piraí, São Gabriel, Rio Grande do Sul, Brazil
| | - Ricardo José Gunski
- Universidade Federal do Pampa, Rua Aluízio Barros Macedo, BR 290, km 423 Bairro Piraí, São Gabriel, Rio Grande do Sul, Brazil
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22
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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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Kapusta A, Suh A. Evolution of bird genomes-a transposon's-eye view. Ann N Y Acad Sci 2016; 1389:164-185. [DOI: 10.1111/nyas.13295] [Citation(s) in RCA: 90] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2015] [Revised: 10/06/2016] [Accepted: 10/11/2016] [Indexed: 02/06/2023]
Affiliation(s)
- Aurélie Kapusta
- Department of Human Genetics; University of Utah School of Medicine; Salt Lake City Utah
| | - Alexander Suh
- Department of Evolutionary Biology (EBC); Uppsala University; Uppsala Sweden
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Koshel E, Galkina S, Saifitdinova A, Dyomin A, Deryusheva S, Gaginskaya E. Ribosomal RNA gene functioning in avian oogenesis. Cell Tissue Res 2016; 366:533-542. [PMID: 27339801 DOI: 10.1007/s00441-016-2444-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2016] [Accepted: 05/18/2016] [Indexed: 12/18/2022]
Abstract
Despite long-term exploration into ribosomal RNA gene functioning during the oogenesis of various organisms, many intriguing problems remain unsolved. In this review, we describe nucleolus organizer region (NOR) activity in avian oocytes. Whereas oocytes from an adult avian ovary never reveal the formation of the nucleolus in the germinal vesicle (GV), an ovary from juvenile birds possesses both nucleolus-containing and non-nucleolus-containing oocytes. The evolutionary diversity of oocyte NOR functioning and the potential non-rRNA-related functions of the nucleolus in oocytes are also discussed.
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Affiliation(s)
- Elena Koshel
- Department of Cytology and Histology, Saint-Petersburg State University, Saint-Petersburg, 199034, Russia
| | - Svetlana Galkina
- Department of Cytology and Histology, Saint-Petersburg State University, Saint-Petersburg, 199034, Russia
| | - Alsu Saifitdinova
- Department of Cytology and Histology, Saint-Petersburg State University, Saint-Petersburg, 199034, Russia
| | - Alexandr Dyomin
- Department of Cytology and Histology, Saint-Petersburg State University, Saint-Petersburg, 199034, Russia
| | - Svetlana Deryusheva
- Department of Cytology and Histology, Saint-Petersburg State University, Saint-Petersburg, 199034, Russia.,Department of Embryology, Carnegie Institution for Science, Baltimore, MD 21218, USA
| | - Elena Gaginskaya
- Department of Cytology and Histology, Saint-Petersburg State University, Saint-Petersburg, 199034, Russia.
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25
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Nie W, O'Brien PCM, Fu B, Wang J, Su W, He K, Bed'Hom B, Volobouev V, Ferguson-Smith MA, Dobigny G, Yang F. Multidirectional chromosome painting substantiates the occurrence of extensive genomic reshuffling within Accipitriformes. BMC Evol Biol 2015; 15:205. [PMID: 26409465 PMCID: PMC4583764 DOI: 10.1186/s12862-015-0484-0] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2015] [Accepted: 09/14/2015] [Indexed: 12/03/2022] Open
Abstract
Background Previous cross-species painting studies with probes from chicken (Gallus gallus) chromosomes 1–10 and a paint pool of nineteen microchromosomes have revealed that the drastic karyotypic reorganization in Accipitridae is due to extensive synteny disruptions and associations. However, the number of synteny association events and identities of microchromosomes involved in such synteny associations remain undefined, due to the lack of paint probes derived from individual chicken microchromosomes. Moreover, no genome-wide homology map between Accipitridae species and other avian species with atypical karyotype organization has been reported till now, and the karyotype evolution within Accipitriformes remains unclear. Results To delineate the synteny-conserved segments in Accipitridae, a set of painting probes for the griffon vulture, Gyps fulvus (2n = 66) was generated from flow-sorted chromosomes. Together with previous generated probes from the stone curlew, Burhinus oedicnemus (2n = 42), a Charadriiformes species with atypical karyotype organization, we conducted multidirectional chromosome painting, including reciprocal chromosome painting between B. oedicnemus and G. fulvus and cross-species chromosome painting between B. oedicnemus and two accipitrid species (the Himalayan griffon, G. himalayensis 2n = 66, and the common buzzard, Buteo buteo, 2n = 68). In doing so, genome-wide homology maps between B. oedicnemus and three Accipitridae species were established. From there, a cladistic analysis using chromosomal characters and mapping of chromosomal changes on a consensus molecular phylogeny were conducted in order to search for cytogenetic signatures for different lineages within Accipitriformes. Conclusion Our study confirmed that the genomes of the diurnal birds of prey, especially the genomes of species in Accipitriformes excluding Cathartidae, have been extensively reshuffled when compared to other bird lineages. The chromosomal rearrangements involved include both fusions and fissions. Our chromosome painting data indicated that the Palearctic common buzzard (BBU) shared several common chromosomal rearrangements with some Old World vultures, and was found to be more closely related to other Accipitridae than to Neotropical buteonine raptors from the karyotypic perspective. Using both a chromosome-based cladistic analysis as well as by mapping of chromosomal differences onto a molecular-based phylogenetic tree, we revealed a number of potential cytogenetic signatures that support the clade of Pandionidae (PHA) + Accipitridae. In addition, our cladistic analysis using chromosomal characters appears to support the placement of osprey (PHA) in Accipitridae. Electronic supplementary material The online version of this article (doi:10.1186/s12862-015-0484-0) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Wenhui Nie
- State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, 650223, P R China.
| | - Patricia C M O'Brien
- Cambridge Resource Centre for Comparative Genomics, Department of Veterinary Medicine, University of Cambridge, Cambridge, CB3 0ES, UK.
| | - Beiyuan Fu
- Wellcome Trust Sanger Institute, Wellcome Trust Genome Campus, Hinxton, Cambridge, CB10 1SA, UK.
| | - Jinghuan Wang
- State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, 650223, P R China.
| | - Weiting Su
- State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, 650223, P R China.
| | - Kai He
- State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, 650223, P R China.
| | - Bertrand Bed'Hom
- INRA, AgroParisTech, UMR1313 Génétique Animale et Biologie Intégrative, Domaine de Vilvert-Bâtiment 320, 78352, Jouy-en-Josas Cedex, France.
| | - Vitaly Volobouev
- Muséum National d'Histoire Naturelle, Département Systématique et Evolution, UMR 7205 Origine, Structure et Evolution de la Biodiversité, 75005, Paris, France.
| | - Malcolm A Ferguson-Smith
- Cambridge Resource Centre for Comparative Genomics, Department of Veterinary Medicine, University of Cambridge, Cambridge, CB3 0ES, UK.
| | - Gauthier Dobigny
- Institut de Recherche pour le Développement, Centre de Biologie pour la Gestion des Populations (UMR IRD-INRA-Cirad-Montpellier SupAgro), Campus International de Baillarguet, CS30016, 34988, Montferrier-sur-Lez, France.
| | - Fengtang Yang
- Wellcome Trust Sanger Institute, Wellcome Trust Genome Campus, Hinxton, Cambridge, CB10 1SA, UK.
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Kretschmer R, Gunski RJ, del Valle Garnero A, O'Brien PCM, Ferguson-Smith MA, Ochotorena de Freitas TR, Correa de Oliveira EH. Chromosome Painting in Vanellus chilensis: Detection of a Fusion Common to Clade Charadrii (Charadriiformes). Cytogenet Genome Res 2015; 146:58-63. [PMID: 26088018 DOI: 10.1159/000431387] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/16/2015] [Indexed: 11/19/2022] Open
Abstract
The Southern lapwing (Vanellus chilensis) is endemic to America and is well-known because of the vast expansion of its geographical distribution and its involvement in air accidents. Despite its popularity, there is no information concerning the genomic organization and karyotype of this species. Hence, because other species of the genus Vanellus have variable diploid numbers from 2n = 58 to 76, the aim of this report was to analyze the karyotype of V. chilensis by means of classical and molecular cytogenetics. We found that 2n = 78 and chromosome painting using probes of Gallus gallus (GGA) and Leucopternis albicollis revealed an organization similar to the avian putative ancestral karyotype, except for the fusion of GGA7 and GGA8, also found in Burhinus oedicnemus, the only Charadriiforme species analyzed by FISH so far. This rearrangement may represent a cytogenetic signature for this group and, in addition, must be responsible for the difference between the diploid number found in the avian putative ancestral karyotype (2n = 80) and V. chilensis (2n = 78).
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Affiliation(s)
- Rafael Kretschmer
- Programa de Px00F3;s Graduax00E7;x00E3;o em Genx00E9;tica e Biologia Molecular, PPGBM, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
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Romanenko SA, Perelman PL, Trifonov VA, Serdyukova NA, Li T, Fu B, O’Brien PCM, Ng BL, Nie W, Liehr T, Stanyon R, Graphodatsky AS, Yang F. A First Generation Comparative Chromosome Map between Guinea Pig (Cavia porcellus) and Humans. PLoS One 2015; 10:e0127937. [PMID: 26010445 PMCID: PMC4444286 DOI: 10.1371/journal.pone.0127937] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2015] [Accepted: 04/21/2015] [Indexed: 11/19/2022] Open
Abstract
The domesticated guinea pig, Cavia porcellus (Hystricomorpha, Rodentia), is an important laboratory species and a model for a number of human diseases. Nevertheless, genomic tools for this species are lacking; even its karyotype is poorly characterized. The guinea pig belongs to Hystricomorpha, a widespread and important group of rodents; so far the chromosomes of guinea pigs have not been compared with that of other hystricomorph species or with any other mammals. We generated full sets of chromosome-specific painting probes for the guinea pig by flow sorting and microdissection, and for the first time, mapped the chromosomal homologies between guinea pig and human by reciprocal chromosome painting. Our data demonstrate that the guinea pig karyotype has undergone extensive rearrangements: 78 synteny-conserved human autosomal segments were delimited in the guinea pig genome. The high rate of genome evolution in the guinea pig may explain why the HSA7/16 and HSA16/19 associations presumed ancestral for eutherians and the three syntenic associations (HSA1/10, 3/19, and 9/11) considered ancestral for rodents were not found in C. porcellus. The comparative chromosome map presented here is a starting point for further development of physical and genetic maps of the guinea pig as well as an aid for genome assembly assignment to specific chromosomes. Furthermore, the comparative mapping will allow a transfer of gene map data from other species. The probes developed here provide a genomic toolkit, which will make the guinea pig a key species to unravel the evolutionary biology of the Hystricomorph rodents.
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Affiliation(s)
- Svetlana A. Romanenko
- Institute of Molecular and Cellular Biology, SB RAS, Novosibirsk, Russia
- Novosibirsk State University, Novosibirsk, Russia
- * E-mail: (SAR); (FY)
| | - Polina L. Perelman
- Institute of Molecular and Cellular Biology, SB RAS, Novosibirsk, Russia
- Novosibirsk State University, Novosibirsk, Russia
| | - Vladimir A. Trifonov
- Institute of Molecular and Cellular Biology, SB RAS, Novosibirsk, Russia
- Novosibirsk State University, Novosibirsk, Russia
| | | | - Tangliang Li
- State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, PR China
| | - Beiyuan Fu
- Wellcome Trust Sanger Institute, Wellcome Trust Genome Campus, Hinxton, Cambridge CB10 1SA, United Kingdom
| | - Patricia C. M. O’Brien
- Centre for Veterinary Science, Department of Veterinary Medicine, University of Cambridge, Cambridge, United Kingdom
| | - Bee L. Ng
- Wellcome Trust Sanger Institute, Wellcome Trust Genome Campus, Hinxton, Cambridge CB10 1SA, United Kingdom
| | - Wenhui Nie
- State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, PR China
| | - Thomas Liehr
- Jena University Hospital, Institute of Human Genetics and Anthropology, Jena, Germany
| | - Roscoe Stanyon
- Department of Biology, University of Florence, Florence, Italy
| | - Alexander S. Graphodatsky
- Institute of Molecular and Cellular Biology, SB RAS, Novosibirsk, Russia
- Novosibirsk State University, Novosibirsk, Russia
| | - Fengtang Yang
- Wellcome Trust Sanger Institute, Wellcome Trust Genome Campus, Hinxton, Cambridge CB10 1SA, United Kingdom
- * E-mail: (SAR); (FY)
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28
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Hooper DM, Price TD. Rates of karyotypic evolution in Estrildid finches differ between island and continental clades. Evolution 2015; 69:890-903. [DOI: 10.1111/evo.12633] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2014] [Accepted: 02/21/2015] [Indexed: 02/06/2023]
Affiliation(s)
- Daniel M. Hooper
- Commitee on Evolutionary Biology; University of Chicago; Chicago Illinois 60637
| | - Trevor D. Price
- Department of Ecology and Evolution; University of Chicago; Chicago Illinois 60637
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29
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Kretschmer R, de Oliveira EHC, Dos Santos MS, Furo IDO, O'Brien PCM, Ferguson-Smith MA, Garnero ADV, Gunski RJ. Chromosome mapping of the large elaenia (Elaenia spectabilis): evidence for a cytogenetic signature for passeriform birds? Biol J Linn Soc Lond 2015. [DOI: 10.1111/bij.12504] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Rafael Kretschmer
- Programa de Pós graduação em Ciências Biológicas; PPGCB; Universidade Federal do Pampa; São Gabriel 97300-000 Rio Grande do Sul RS Brazil
| | - Edivaldo Herculano Correa de Oliveira
- Laboratório de Cultura de Tecidos e Citogenética; SAMAM; Instituto Evandro Chagas; BR 316 KM 7 s/n Levilândia 67020-000 Ananindeua PA Brazil
- Instituto de Ciências Exatas e Naturais; Universidade Federal do Pará; Campus Universitário do Guamá 66075-110 Belém PA Brazil
| | - Michelly S. Dos Santos
- Laboratório de Cultura de Tecidos e Citogenética; SAMAM; Instituto Evandro Chagas; BR 316 KM 7 s/n Levilândia 67020-000 Ananindeua PA Brazil
- Programa de Pós-Graduação de Genética e Biologia Molecular; PPGBM; Universidade Federal do Pará; Campus Universitário do Guamá 66075-110 Belém PA Brazil
| | - Ivanete de Oliveira Furo
- Laboratório de Cultura de Tecidos e Citogenética; SAMAM; Instituto Evandro Chagas; BR 316 KM 7 s/n Levilândia 67020-000 Ananindeua PA Brazil
- Programa de Pós-Graduação de Genética e Biologia Molecular; PPGBM; Universidade Federal do Pará; Campus Universitário do Guamá 66075-110 Belém PA Brazil
| | - Patricia C. M. O'Brien
- Cambridge Resource Centre for Comparative Genomics; Department of Veterinary Medicine; University of Cambridge; Madingley Road Cambridge CB3 0ES UK
| | - Malcolm A. Ferguson-Smith
- Cambridge Resource Centre for Comparative Genomics; Department of Veterinary Medicine; University of Cambridge; Madingley Road Cambridge CB3 0ES UK
| | - Analía del Valle Garnero
- Programa de Pós graduação em Ciências Biológicas; PPGCB; Universidade Federal do Pampa; São Gabriel 97300-000 Rio Grande do Sul RS Brazil
| | - Ricardo José Gunski
- Programa de Pós graduação em Ciências Biológicas; PPGCB; Universidade Federal do Pampa; São Gabriel 97300-000 Rio Grande do Sul RS Brazil
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30
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Novel tools for characterising inter and intra chromosomal rearrangements in avian microchromosomes. Chromosome Res 2014; 22:85-97. [PMID: 24696127 DOI: 10.1007/s10577-014-9412-1] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Avian genome organisation is characterised, in part, by a set of microchromosomes that are unusually small in size and unusually large in number. Although containing about a quarter of the genome, they contain around half the genes and three quarters of the total chromosome number. Nonetheless, they continue to belie analysis by cytogenetic means. Chromosomal rearrangements play a key role in genome evolution, fertility and genetic disease and thus tools for analysis of the microchromosomes are essential to analyse such phenomena in birds. Here, we report the development of chicken microchromosomal paint pools, generation of pairs of specific microchromosome BAC clones in chicken, and computational tools for in silico comparison of the genomes of microchromosomes. We demonstrate the use of these molecular and computational tools across species, suggesting their use to generate a clear picture of microchromosomal rearrangements between avian species. With increasing numbers of avian genome sequences that are emerging, tools such as these will find great utility in assembling genomes de novo and for asking fundamental questions about genome evolution from a chromosomal perspective.
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31
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Aslam ML, Bastiaansen JW, Megens HJ, Crooijmans RP, Nasreen F, Blomberg LA, Van Tassell CP, Sonstegard TS, Schroeder SG, Groenen MA, Long JA. Genome-wide candidate regions for selective sweeps revealed through massive parallel sequencing of DNA across ten turkey populations. BMC Genet 2014; 15:117. [PMID: 25421611 PMCID: PMC4253982 DOI: 10.1186/s12863-014-0117-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2014] [Accepted: 10/22/2014] [Indexed: 12/02/2022] Open
Abstract
Background The domestic turkey (Meleagris gallopavo) is an important agricultural species that is largely used as a meat-type bird. Characterizing genetic variation in populations of domesticated species and associating these variation patterns with the evolution, domestication, and selective breeding is critical for understanding the dynamics of genomic change in these species. Intense selective breeding and population bottlenecks are expected to leave signatures in the genome of domesticated species, such as unusually low nucleotide diversity or the presence of exceptionally extended haplotype homozygosity. These patterns of variation in selected populations are highly useful to not only understand the consequences of selective breeding and population dynamics, but also to provide insights into biological mechanisms that may affect physiological processes important to bring changes in phenotype of interest. Results We observed 54 genomic regions in heritage and commercial turkey populations on 14 different chromosomes that showed statistically significant (P < 0.05) reduction in genomic variation indicating candidate selective sweeps. Areas with evidence of selective sweeps varied from 1.5 Mb to 13.8 Mb in length. Out of these 54 sweeps, 23 overlapped at least partially between two or more populations. Overlapping sweeps were found on 13 different chromosomes. The remaining 31 sweeps were population-specific and were observed on 12 different chromosomes, with 26 of these regions present only in commercial populations. Genes that are known to affect growth were enriched in the sweep regions. Conclusion The turkey genome showed large sweep regions. The relatively high number of sweep regions in commercial turkey populations compared to heritage varieties and the enrichment of genes important to growth in these regions, suggest that these sweeps are the result of intense selection in these commercial lines, moving specific haplotypes towards fixation. Electronic supplementary material The online version of this article (doi:10.1186/s12863-014-0117-4) contains supplementary material, which is available to authorized users.
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Kretschmer R, Gunski RJ, Garnero ADV, Furo IDO, O'Brien PCM, Ferguson-Smith MA, de Oliveira EHC. Molecular cytogenetic characterization of multiple intrachromosomal rearrangements in two representatives of the genus Turdus (Turdidae, Passeriformes). PLoS One 2014; 9:e103338. [PMID: 25058578 PMCID: PMC4110018 DOI: 10.1371/journal.pone.0103338] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2014] [Accepted: 06/27/2014] [Indexed: 01/16/2023] Open
Abstract
Turdus rufiventris and Turdus albicollis, two songbirds belonging to the family Turdidae (Aves, Passeriformes) were studied by C-banding, 18S rDNA, as well as the use of whole chromosome probes derived from Gallus gallus (GGA) and Leucopternis albicollis (LAL). They showed very similar karyotypes, with 2n = 78 and the same pattern of distribution of heterochromatic blocks and hybridization patterns. However, the analysis of 18/28S rDNA has shown differences in the number of NOR-bearing chromosomes and ribosomal clusters. The hybridization pattern of GGA macrochromosomes was similar to the one found in songbirds studied by Fluorescent in situ hybridization, with fission of GGA 1 and GGA 4 chromosomes. In contrast, LAL chromosome paintings revealed a complex pattern of intrachromosomal rearrangements (paracentric and pericentric inversions) on chromosome 2, which corresponds to GGA1q. The first inversion changed the chromosomal morphology and the second and third inversions changed the order of chromosome segments. Karyotype analysis in Turdus revealed that this genus has derived characteristics in relation to the putative avian ancestral karyotype, highlighting the importance of using new tools for analysis of chromosomal evolution in birds, such as the probes derived from L. albicollis, which make it possible to identify intrachromosomal rearrangements not visible with the use of GGA chromosome painting solely.
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Affiliation(s)
- Rafael Kretschmer
- Programa de Pós Graduação em Ciências Biológicas, Universidade Federal do Pampa, São Gabriel, Rio Grande do Sul, Brazil
| | - Ricardo José Gunski
- Programa de Pós Graduação em Ciências Biológicas, Universidade Federal do Pampa, São Gabriel, Rio Grande do Sul, Brazil
| | - Analía Del Valle Garnero
- Programa de Pós Graduação em Ciências Biológicas, Universidade Federal do Pampa, São Gabriel, Rio Grande do Sul, Brazil
| | - Ivanete de Oliveira Furo
- Laboratório de Cultura de Tecidos e Citogenética, SAMAM, Instituto Evandro Chagas, Ananindeua, Pará, Brazil; Programa de Pós Graduação em Genética e Biologia Molecular, Universidade Federal do Pará, Belém, Pará, Brazil
| | | | | | - Edivaldo Herculano Corrêa de Oliveira
- Laboratório de Cultura de Tecidos e Citogenética, SAMAM, Instituto Evandro Chagas, Ananindeua, Pará, Brazil; Programa de Pós Graduação em Genética e Biologia Molecular, Universidade Federal do Pará, Belém, Pará, Brazil; Instiuto de Ciências Exatas e Naturais, Universidade Federal do Pará, Belém, Pará, Brazil
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Tracing the evolution of amniote chromosomes. Chromosoma 2014; 123:201-16. [PMID: 24664317 PMCID: PMC4031395 DOI: 10.1007/s00412-014-0456-y] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2013] [Revised: 03/03/2014] [Accepted: 03/04/2014] [Indexed: 01/09/2023]
Abstract
A great deal of diversity in chromosome number and arrangement is observed across the amniote phylogeny. Understanding how this diversity is generated is important for determining the role of chromosomal rearrangements in generating phenotypic variation and speciation. Gaining this understanding is achieved by reconstructing the ancestral genome arrangement based on comparisons of genome organization of extant species. Ancestral karyotypes for several amniote lineages have been reconstructed, mainly from cross-species chromosome painting data. The availability of anchored whole genome sequences for amniote species has increased the evolutionary depth and confidence of ancestral reconstructions from those made solely from chromosome painting data. Nonetheless, there are still several key lineages where the appropriate data required for ancestral reconstructions is lacking. This review highlights the progress that has been made towards understanding the chromosomal changes that have occurred during amniote evolution and the reconstruction of ancestral karyotypes.
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Comparison of the Chromosome Structures between the Chicken and Three Anserid Species, the Domestic Duck ( Anas platyrhynchos), Muscovy Duck ( Cairina moschata), and Chinese Goose ( Anser cygnoides), and the Delineation of their Karyotype Evolution by Comparative Chromosome Mapping. J Poult Sci 2014. [DOI: 10.2141/jpsa.0130090] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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Nishida C, Ishijima J, Ishishita S, Yamada K, Griffin DK, Yamazaki T, Matsuda Y. Karyotype reorganization with conserved genomic compartmentalization in dot-shaped microchromosomes in the Japanese mountain hawk-eagle (Nisaetus nipalensis orientalis, Accipitridae). Cytogenet Genome Res 2013; 141:284-94. [PMID: 23838459 DOI: 10.1159/000352067] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/18/2013] [Indexed: 11/19/2022] Open
Abstract
The karyotype of the Japanese mountain hawk-eagle (Nisaetus nipalensis orientalis) (2n = 66) consists of a large number of medium-sized and small chromosomes but only 4 pairs of dot-shaped microchromosomes, in contrast to the typical avian karyotype with a small number of macrochromosomes and many indistinguishable microchromosomes. To investigate the drastic karyotype reorganization in this species, we performed a molecular cytogenetic characterization employing chromosome in situ hybridization and molecular cloning of centromeric heterochromatin. Cross-species chromosome painting with chicken chromosome-specific probes 1-9 and Z and a paint pool of 20 microchromosome pairs revealed that the N. n. orientalis karyotype differs from chicken by at least 13 fissions of macrochromosomes and 15 fusions between microchromosomes and between micro- and macrochromosomes. A novel family of satellite DNA sequences (NNO-ApaI) was isolated, consisting of a GC-rich 173-bp repeated sequence element. The NNO-ApaI sequence was localized to the C-positive centromeric heterochromatin of 4 pairs of microchromosomes, which evolved concertedly by homogenization between the microchromosomes. These results suggest that the 4 pairs of dot-shaped microchromosomes have retained their genomic compartmentalization from other middle-sized and small chromosomes.
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Affiliation(s)
- C Nishida
- Department of Natural History Sciences, Faculty of Science, Hokkaido University, Sapporo, Japan
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[Establishment of cell lines derived from skin biopsies of crested ibis (Nipponia nippon) and their biological characteristics]. DONG WU XUE YAN JIU = ZOOLOGICAL RESEARCH 2012; 33:591-6. [PMID: 23266978 DOI: 10.3724/sp.j.1141.2012.06591] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
The crested ibis is among the rarest and most endangered species worldwide. To preserve its genetic resources and conveniently provide materials for biological research, we successfully established two cell lines from biopsies of a male and female adult crested ibis. The cultured cells from both specimens had typical fibroblast morphology. Immunofluorescence staining revealed that the cultured cells strongly expressed the marker of smooth muscle specific α-actin, clearly indicating the cells were from the smooth muscle tissue. Growth property analysis showed that the cells grew well past the first 10 passages and continued growing with reduced proliferation after 15 passages, but ceased by passage 25 as the cells could not grow to form a confluent monolayer. From these two cell lines, we harvested mitotic metaphase chromosomes and conducted different staining, banding, and fluorescent in situ hybridization. Throughout the process, cells maintained normal diploidy, with the karyotypes of these two cell lines being 2n=68, ZZ in the male and 2n=68, ZW in the female. Patterns of Ag staining, C- and G-bands of the crested ibis chromosomes were also studied. Banding analyses and fluorescent in situ hybridization also allowed identification of the sex chromosomes. We suggest that the external implants method for establishing primary cell lines used in this study may also be applicable to other birds, especially similarly endangered avian species.
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Doležel J, Vrána J, Safář J, Bartoš J, Kubaláková M, Simková H. Chromosomes in the flow to simplify genome analysis. Funct Integr Genomics 2012; 12:397-416. [PMID: 22895700 PMCID: PMC3431466 DOI: 10.1007/s10142-012-0293-0] [Citation(s) in RCA: 71] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2012] [Accepted: 07/30/2012] [Indexed: 11/25/2022]
Abstract
Nuclear genomes of human, animals, and plants are organized into subunits called chromosomes. When isolated into aqueous suspension, mitotic chromosomes can be classified using flow cytometry according to light scatter and fluorescence parameters. Chromosomes of interest can be purified by flow sorting if they can be resolved from other chromosomes in a karyotype. The analysis and sorting are carried out at rates of 10(2)-10(4) chromosomes per second, and for complex genomes such as wheat the flow sorting technology has been ground-breaking in reducing genome complexity for genome sequencing. The high sample rate provides an attractive approach for karyotype analysis (flow karyotyping) and the purification of chromosomes in large numbers. In characterizing the chromosome complement of an organism, the high number that can be studied using flow cytometry allows for a statistically accurate analysis. Chromosome sorting plays a particularly important role in the analysis of nuclear genome structure and the analysis of particular and aberrant chromosomes. Other attractive but not well-explored features include the analysis of chromosomal proteins, chromosome ultrastructure, and high-resolution mapping using FISH. Recent results demonstrate that chromosome flow sorting can be coupled seamlessly with DNA array and next-generation sequencing technologies for high-throughput analyses. The main advantages are targeting the analysis to a genome region of interest and a significant reduction in sample complexity. As flow sorters can also sort single copies of chromosomes, shotgun sequencing DNA amplified from them enables the production of haplotype-resolved genome sequences. This review explains the principles of flow cytometric chromosome analysis and sorting (flow cytogenetics), discusses the major uses of this technology in genome analysis, and outlines future directions.
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Affiliation(s)
- Jaroslav Doležel
- Centre of the Region Haná for Biotechnological and Agricultural Research, Institute of Experimental Botany, Sokolovská 6, Olomouc, Czech Republic.
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Graphodatsky A, Ferguson-Smith MA, Stanyon R. A short introduction to cytogenetic studies in mammals with reference to the present volume. Cytogenet Genome Res 2012; 137:83-96. [PMID: 22846392 DOI: 10.1159/000341502] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
Genome diversity has long been studied from the comparative cytogenetic perspective. Early workers documented differences between species in diploid chromosome number and fundamental number. Banding methods allowed more detailed descriptions of between-species rearrangements and classes of differentially staining chromosome material. The infusion of molecular methods into cytogenetics provided a third revolution, which is still not exhausted. Chromosome painting has provided a global view of the translocation history of mammalian genome evolution, well summarized in the contributions to this special volume. More recently, FISH of cloned DNA has provided details on defining breakpoint and intrachromosomal marker order, which have helped to document inversions and centromere repositioning. The most recent trend in comparative molecular cytogenetics is to integrate sequencing information in order to formulate and test reconstructions of ancestral genomes and phylogenomic hypotheses derived from comparative cytogenetics. The integration of comparative cytogenetics and sequencing promises to provide an understanding of what drives chromosome rearrangements and genome evolution in general. We believe that the contributions in this volume, in no small way, point the way to the next phase in cytogenetic studies.
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Affiliation(s)
- A Graphodatsky
- Institute of Molecular and Cellular Biology, Siberian Division of the Russian Academy of Sciences, Novosibirsk, Russia
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Kasai F, O'Brien PCM, Ferguson-Smith MA. Reassessment of genome size in turtle and crocodile based on chromosome measurement by flow karyotyping: close similarity to chicken. Biol Lett 2012; 8:631-5. [PMID: 22491763 DOI: 10.1098/rsbl.2012.0141] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
The genome size in turtles and crocodiles is thought to be much larger than the 1.2 Gb of the chicken (Gallus gallus domesticus, GGA), according to the animal genome size database. However, GGA macrochromosomes show extensive homology in the karyotypes of the red eared slider (Trachemys scripta elegans, TSC) and the Nile crocodile (Crocodylus niloticus, CNI), and bird and reptile genomes have been highly conserved during evolution. In this study, size and GC content of all chromosomes are measured from the flow karyotypes of GGA, TSC and CNI. Genome sizes estimated from the total chromosome size demonstrate that TSC and CNI are 1.21 Gb and 1.29 Gb, respectively. This refines previous overestimations and reveals similar genome sizes in chicken, turtle and crocodile. Analysis of chromosome GC content in each of these three species shows a higher GC content in smaller chromosomes than in larger chromosomes. This contrasts with mammals and squamates in which GC content does not correlate with chromosome size. These data suggest that a common ancestor of birds, turtles and crocodiles had a small genome size and a chromosomal size-dependent GC bias, distinct from the squamate lineage.
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Affiliation(s)
- Fumio Kasai
- Department of Veterinary Medicine, University of Cambridge, Cambridge, UK.
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40
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Abstract
This review summarizes aspects of the extensive literature on the patterns and processes underpinning chromosomal evolution in vertebrates and especially placental mammals. It highlights the growing synergy between molecular cytogenetics and comparative genomics, particularly with respect to fully or partially sequenced genomes, and provides novel insights into changes in chromosome number and structure across deep division of the vertebrate tree of life. The examination of basal numbers in the deeper branches of the vertebrate tree suggest a haploid (n) chromosome number of 10-13 in an ancestral vertebrate, with modest increases in tetrapods and amniotes most probably by chromosomal fissioning. Information drawn largely from cross-species chromosome painting in the data-dense Placentalia permits the confident reconstruction of an ancestral karyotype comprising n=23 chromosomes that is similarly retained in Boreoeutheria. Using in silico genome-wide scans that include the newly released frog genome we show that of the nine ancient syntenies detected in conserved karyotypes of extant placentals (thought likely to reflect the structure of ancestral chromosomes), the human syntenic segmental associations 3p/21, 4pq/8p, 7a/16p, 14/15, 12qt/22q and 12pq/22qt predate the divergence of tetrapods. These findings underscore the enhanced quality of ancestral reconstructions based on the integrative molecular cytogenetic and comparative genomic approaches that collectively highlight a pattern of conserved syntenic associations that extends back ∼360 million years ago.
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Skinner BM, Griffin DK. Intrachromosomal rearrangements in avian genome evolution: evidence for regions prone to breakpoints. Heredity (Edinb) 2011; 108:37-41. [PMID: 22045382 DOI: 10.1038/hdy.2011.99] [Citation(s) in RCA: 80] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
It is generally believed that the organization of avian genomes remains highly conserved in evolution as chromosome number is constant and comparative chromosome painting demonstrated there to be very few interchromosomal rearrangements. The recent sequencing of the zebra finch (Taeniopygia guttata) genome allowed an assessment of the number of intrachromosomal rearrangements between it and the chicken (Gallus gallus) genome, revealing a surprisingly high number of intrachromosomal rearrangements. With the publication of the turkey (Meleagris gallopavo) genome it has become possible to describe intrachromosomal rearrangements between these three important avian species, gain insight into the direction of evolutionary change and assess whether breakpoint regions are reused in birds. To this end, we aligned entire chromosomes between chicken, turkey and zebra finch, identifying syntenic blocks of at least 250 kb. Potential optimal pathways of rearrangements between each of the three genomes were determined, as was a potential Galliform ancestral organization. From this, our data suggest that around one-third of chromosomal breakpoint regions may recur during avian evolution, with 10% of breakpoints apparently recurring in different lineages. This agrees with our previous hypothesis that mechanisms of genome evolution are driven by hotspots of non-allelic homologous recombination.
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Affiliation(s)
- B M Skinner
- School of Biosciences, University of Kent, Canterbury, UK
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Voss SR, Kump DK, Putta S, Pauly N, Reynolds A, Henry RJ, Basa S, Walker JA, Smith JJ. Origin of amphibian and avian chromosomes by fission, fusion, and retention of ancestral chromosomes. Genome Res 2011; 21:1306-12. [PMID: 21482624 DOI: 10.1101/gr.116491.110] [Citation(s) in RCA: 58] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Amphibian genomes differ greatly in DNA content and chromosome size, morphology, and number. Investigations of this diversity are needed to identify mechanisms that have shaped the evolution of vertebrate genomes. We used comparative mapping to investigate the organization of genes in the Mexican axolotl (Ambystoma mexicanum), a species that presents relatively few chromosomes (n = 14) and a gigantic genome (>20 pg/N). We show extensive conservation of synteny between Ambystoma, chicken, and human, and a positive correlation between the length of conserved segments and genome size. Ambystoma segments are estimated to be four to 51 times longer than homologous human and chicken segments. Strikingly, genes demarking the structures of 28 chicken chromosomes are ordered among linkage groups defining the Ambystoma genome, and we show that these same chromosomal segments are also conserved in a distantly related anuran amphibian (Xenopus tropicalis). Using linkage relationships from the amphibian maps, we predict that three chicken chromosomes originated by fusion, nine to 14 originated by fission, and 12-17 evolved directly from ancestral tetrapod chromosomes. We further show that some ancestral segments were fused prior to the divergence of salamanders and anurans, while others fused independently and randomly as chromosome numbers were reduced in lineages leading to Ambystoma and Xenopus. The maintenance of gene order relationships between chromosomal segments that have greatly expanded and contracted in salamander and chicken genomes, respectively, suggests selection to maintain synteny relationships and/or extremely low rates of chromosomal rearrangement. Overall, the results demonstrate the value of data from diverse, amphibian genomes in studies of vertebrate genome evolution.
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Affiliation(s)
- Stephen R Voss
- Department of Biology and Spinal Cord and Brain Injury Research Center, University of Kentucky, Lexington, Kentucky 40506, USA.
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Tagliarini MM, O'Brien PCM, Ferguson-Smith MA, de Oliveira EHC. Maintenance of syntenic groups between Cathartidae and Gallus gallus indicates symplesiomorphic karyotypes in new world vultures. Genet Mol Biol 2011; 34:80-3. [PMID: 21637548 PMCID: PMC3085379 DOI: 10.1590/s1415-47572010005000117] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2010] [Accepted: 09/29/2010] [Indexed: 11/22/2022] Open
Abstract
Similarities between New World and Old World vultures have been interpreted to reflect a close relationship and to suggest the inclusion of both in Accipitridae (Falconiformes). However, deeper analyses indicated that the placement of the New World vultures (cathartids) in this Order is uncertain. Chromosome analysis has shown that cathartids retained a karyotype similar to the putative avian ancestor. In order to verify the occurrence of intrachromosomal rearrangements in cathartids, we hybridized whole chromosome probes of two species (Gallus gallus and Leucopternis albicollis) onto metaphases of Cathartes aura. The results showed that not only were the syntenic groups conserved between Gallus and C. aura, but probably also the general gene order, suggesting that New World vultures share chromosomal symplesiomorphies with most bird lineages.
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Affiliation(s)
- Marcella M Tagliarini
- Pós-Graduação em Neurociências e Biologia Celular, ICB, Universidade Federal do Pará, Belém, PA, Brazil
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Aslam ML, Bastiaansen JWM, Crooijmans RPMA, Vereijken A, Megens HJ, Groenen MAM. A SNP based linkage map of the turkey genome reveals multiple intrachromosomal rearrangements between the turkey and chicken genomes. BMC Genomics 2010; 11:647. [PMID: 21092123 PMCID: PMC3091770 DOI: 10.1186/1471-2164-11-647] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2010] [Accepted: 11/20/2010] [Indexed: 01/12/2023] Open
Abstract
BACKGROUND The turkey (Meleagris gallopavo) is an important agricultural species that is the second largest contributor to the world's poultry meat production. The genomic resources of turkey provide turkey breeders with tools needed for the genetic improvement of commercial breeds of turkey for economically important traits. A linkage map of turkey is essential not only for the mapping of quantitative trait loci, but also as a framework to enable the assignment of sequence contigs to specific chromosomes. Comparative genomics with chicken provides insight into mechanisms of genome evolution and helps in identifying rare genomic events such as genomic rearrangements and duplications/deletions. RESULTS Eighteen full sib families, comprising 1008 (35 F1 and 973 F2) birds, were genotyped for 775 single nucleotide polymorphisms (SNPs). Of the 775 SNPs, 570 were informative and used to construct a linkage map in turkey. The final map contains 531 markers in 28 linkage groups. The total genetic distance covered by these linkage groups is 2,324 centimorgans (cM) with the largest linkage group (81 loci) measuring 326 cM. Average marker interval for all markers across the 28 linkage groups is 4.6 cM. Comparative mapping of turkey and chicken revealed two inter-, and 57 intrachromosomal rearrangements between these two species. CONCLUSION Our turkey genetic map of 531 markers reveals a genome length of 2,324 cM. Our linkage map provides an improvement of previously published maps because of the more even distribution of the markers and because the map is completely based on SNP markers enabling easier and faster genotyping assays than the microsatellitemarkers used in previous linkage maps. Turkey and chicken are shown to have a highly conserved genomic structure with a relatively low number of inter-, and intrachromosomal rearrangements.
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Affiliation(s)
- Muhammad L Aslam
- Animal Breeding and Genomics Centre, Wageningen University,6709PG, Wageningen, The Netherlands
| | - John WM Bastiaansen
- Animal Breeding and Genomics Centre, Wageningen University,6709PG, Wageningen, The Netherlands
| | - Richard PMA Crooijmans
- Animal Breeding and Genomics Centre, Wageningen University,6709PG, Wageningen, The Netherlands
| | - Addie Vereijken
- Hendrix Genetics, Research & Technology Centre, 5830 AC, Boxmeer, The Netherlands
| | - Hendrik-Jan Megens
- Animal Breeding and Genomics Centre, Wageningen University,6709PG, Wageningen, The Netherlands
| | - Martien AM Groenen
- Animal Breeding and Genomics Centre, Wageningen University,6709PG, Wageningen, The Netherlands
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Downing T, Cormican P, O'Farrelly C, Bradley DG, Lloyd AT. Evidence of the adaptive evolution of immune genes in chicken. BMC Res Notes 2009; 2:254. [PMID: 20003477 PMCID: PMC2804575 DOI: 10.1186/1756-0500-2-254] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2009] [Accepted: 12/15/2009] [Indexed: 11/10/2022] Open
Abstract
The basis for understanding the characteristics of gene functional categories in chicken has been enhanced by the ongoing sequencing of the zebra finch genome, the second bird species to be extensively sequenced. This sequence provides an avian context for examining how variation in chicken has evolved since its divergence from its common ancestor with zebra finch as well as well as a calibrating point for studying intraspecific diversity within chicken. Immune genes have been subject to many selective processes during their evolutionary history: this gene class was investigated here in a set of orthologous chicken and zebra finch genes with functions assigned from the human ortholog. Tests demonstrated that nonsynonymous sites at immune genes were highly conserved both in chicken and on the avian lineage. McDonald-Kreitman tests provided evidence of adaptive evolution and a higher rate of selection on fixation of nonsynonymous substitutions at immune genes compared to that at non-immune genes. Further analyses showed that GC content was much higher in chicken than in zebra finch genes, and was significantly elevated in both species' immune genes. Pathogen challenges are likely to have driven the selective forces that have shaped variation at chicken immune genes, and continue to restrict diversity in this functional class.
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Affiliation(s)
- Tim Downing
- Smurfit Institute of Genetics, Trinity College, University of Dublin, Ireland
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C. elegans dosage compensation: a window into mechanisms of domain-scale gene regulation. Chromosome Res 2009; 17:215-27. [PMID: 19308702 DOI: 10.1007/s10577-008-9011-0] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
The C. elegans dosage compensation complex (DCC) reduces transcript levels from each of the two hermaphrodite X chromosomes to equalize X-linked gene expression to that of XO males. Several of the proteins that comprise the DCC are homologous to subunits of the evolutionarily conserved condensin complexes, which in most organisms function in mitotic and meiotic chromosome condensation. These include the DCC subunits MIX-1 and DPY-27, which belong to the structural maintenance of chromosomes (SMC) family of proteins. Several of the C. elegans DCC subunits also perform double duty as members of the canonical meiotic and mitotic condensin complexes. Here, we review what is known about the C. elegans DCC and how study of this model might shed light on general mechanisms of domain-scale transcriptional regulation. We discuss how condensin-like complexes may be targeted to specific chromosomal locations for performance of their functions.
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