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Milani D, Gasparotto AE, Loreto V, Martí DA, Cabral-de-Mello DC. Chromosomal and genomic analysis suggests single origin and high molecular differentiation of the B chromosome of Abracris flavolineata. Genome 2024. [PMID: 38723289 DOI: 10.1139/gen-2023-0122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/13/2024]
Abstract
Supernumerary chromosomes (B chromosomes) have been an intriguing subject of study. Our understanding of the molecular differentiation of B chromosomes from an interpopulation perspective remains limited, with most analyses involving chromosome banding and mapping of a few sequences. To gain insights into the molecular composition, origin, and evolution of B chromosomes, we conducted cytogenetic and next-generation sequencing analysis of the repeatome in the grasshopper Abracris flavolineata across various populations. Our results unveiled the presence of B chromosomes in two newly investigated populations and described new satellite DNA sequences. While we observed some degree of genetic connection among A. flavolineata populations, our comparative analysis of genomes with and without B chromosomes provided evidence of two new B chromosome variants. These variants exhibited distinct compositions of various repeat classes, including transposable elements and satellite DNAs. Based on shared repeats, their chromosomal location, and the C-positive heterochromatin content on the B chromosome, these variants likely share a common origin but have undergone distinct molecular differentiation processes, resulting in varying degrees of heterochromatinization. Our data serve as a detailed example of the dynamic and differentiated nature of B chromosome molecular content at the interpopulation level, even when they share a common origin.
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Affiliation(s)
- Diogo Milani
- Univ Estadual Paulista (UNESP), Instituto de Biociências, Departamento de Biologia Geral e Aplicada, Rio Claro, São Paulo, Brazil
| | - Ana Elisa Gasparotto
- Univ Estadual Paulista (UNESP), Instituto de Biociências, Departamento de Biologia Geral e Aplicada, Rio Claro, São Paulo, Brazil
| | - Vilma Loreto
- Univ Federal de Pernambuco (UFPE), Centro de Biociências, Departamento de Genética, Recife, Pernambuco, Brazil
| | | | - Diogo C Cabral-de-Mello
- Univ Estadual Paulista (UNESP), Instituto de Biociências, Departamento de Biologia Geral e Aplicada, Rio Claro, São Paulo, Brazil
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Karamysheva T, Romanenko S, Makunin A, Rajičić M, Bogdanov A, Trifonov V, Blagojević J, Vujošević M, Orishchenko K, Rubtsov N. New Data on Organization and Spatial Localization of B-Chromosomes in Cell Nuclei of the Yellow-Necked Mouse Apodemus flavicollis. Cells 2021; 10:cells10071819. [PMID: 34359988 PMCID: PMC8305704 DOI: 10.3390/cells10071819] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Revised: 07/13/2021] [Accepted: 07/14/2021] [Indexed: 11/17/2022] Open
Abstract
The gene composition, function and evolution of B-chromosomes (Bs) have been actively discussed in recent years. However, the additional genomic elements are still enigmatic. One of Bs mysteries is their spatial organization in the interphase nucleus. It is known that heterochromatic compartments are not randomly localized in a nucleus. The purpose of this work was to study the organization and three-dimensional spatial arrangement of Bs in the interphase nucleus. Using microdissection of Bs and autosome centromeric heterochromatic regions of the yellow-necked mouse (Apodemus flavicollis) we obtained DNA probes for further two-dimensional (2D)- and three-dimensional (3D)- fluorescence in situ hybridization (FISH) studies. Simultaneous in situ hybridization of obtained here B-specific DNA probes and autosomal C-positive pericentromeric region-specific probes further corroborated the previously stated hypothesis about the pseudoautosomal origin of the additional chromosomes of this species. Analysis of the spatial organization of the Bs demonstrated the peripheral location of B-specific chromatin within the interphase nucleus and feasible contact with the nuclear envelope (similarly to pericentromeric regions of autosomes and sex chromosomes). It is assumed that such interaction is essential for the regulation of nuclear architecture. It also points out that Bs may follow the same mechanism as sex chromosomes to avoid a meiotic checkpoint.
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Affiliation(s)
- Tatyana Karamysheva
- Institute of Cytology and Genetics, The Siberian Branch of the Russian Academy of Sciences, 630090 Novosibirsk, Russia; (K.O.); (N.R.)
- Correspondence: ; Tel.: +7-(383)-363-4963 (ext. 1332)
| | - Svetlana Romanenko
- Institute of Molecular and Cellular Biology, The Siberian Branch of the Russian Academy of Sciences, 630090 Novosibirsk, Russia; (S.R.); (V.T.)
| | | | - Marija Rajičić
- Institute for Biological Research “Siniša Stanković”, National Institute of Republic of Serbia, 11060 Belgrade, Serbia; (M.R.); (J.B.); (M.V.)
| | - Alexey Bogdanov
- Koltzov Institute of Developmental Biology, Russian Academy of Sciences, 119991 Moscow, Russia;
| | - Vladimir Trifonov
- Institute of Molecular and Cellular Biology, The Siberian Branch of the Russian Academy of Sciences, 630090 Novosibirsk, Russia; (S.R.); (V.T.)
- Department of Genetic Technologies, Novosibirsk State University, 630090 Novosibirsk, Russia
| | - Jelena Blagojević
- Institute for Biological Research “Siniša Stanković”, National Institute of Republic of Serbia, 11060 Belgrade, Serbia; (M.R.); (J.B.); (M.V.)
| | - Mladen Vujošević
- Institute for Biological Research “Siniša Stanković”, National Institute of Republic of Serbia, 11060 Belgrade, Serbia; (M.R.); (J.B.); (M.V.)
| | - Konstantin Orishchenko
- Institute of Cytology and Genetics, The Siberian Branch of the Russian Academy of Sciences, 630090 Novosibirsk, Russia; (K.O.); (N.R.)
- Department of Genetic Technologies, Novosibirsk State University, 630090 Novosibirsk, Russia
| | - Nikolay Rubtsov
- Institute of Cytology and Genetics, The Siberian Branch of the Russian Academy of Sciences, 630090 Novosibirsk, Russia; (K.O.); (N.R.)
- Department of Genetic Technologies, Novosibirsk State University, 630090 Novosibirsk, Russia
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Sequence Composition and Evolution of Mammalian B Chromosomes. Genes (Basel) 2018; 9:genes9100490. [PMID: 30309007 PMCID: PMC6211034 DOI: 10.3390/genes9100490] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2018] [Revised: 10/01/2018] [Accepted: 10/01/2018] [Indexed: 12/15/2022] Open
Abstract
B chromosomes (Bs) revealed more than a hundred years ago remain to be some of the most mysterious elements of the eukaryotic genome. Their origin and evolution, DNA composition, transcriptional activity, impact on adaptiveness, behavior in meiosis, and transfer to the next generation require intensive investigations using modern methods. Over the past years, new experimental techniques have been applied and helped us gain a deeper insight into the nature of Bs. Here, we consider mammalian Bs, taking into account data on their DNA sequencing, transcriptional activity, positions in nuclei of somatic and meiotic cells, and impact on genome functioning. Comparative cytogenetics of Bs suggests the existence of different mechanisms of their formation and evolution. Due to the long and complicated evolvement of Bs, the similarity of their morphology could be explained by the similar mechanisms involved in their development while the difference between Bs even of the same origin could appear due to their positioning at different stages of their evolution. A complex analysis of their DNA composition and other features is required to clarify the origin and evolutionary history of Bs in the species studied. The intraspecific diversity of Bs makes this analysis a very important element of B chromosome studies.
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Karamysheva TV, Torgasheva AA, Yefremov YR, Bogomolov AG, Liehr T, Borodin PM, Rubtsov NB. Spatial organization of fibroblast and spermatocyte nuclei with different B-chromosome content in Korean field mouse, Apodemus peninsulae (Rodentia, Muridae). Genome 2017; 60:815-824. [PMID: 28732174 DOI: 10.1139/gen-2017-0029] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Korean field mouse (Apodemus peninsulae) shows a wide variation in the number of B chromosomes composed of constitutive heterochromatin. For this reason, it provides a good model to study the influence of the number of centromeres and amount of heterochromatin on spatial organization of interphase nuclei. We analyzed the three-dimensional organization of fibroblast and spermatocyte nuclei of the field mice carrying a different number of B chromosomes using laser scanning microscopy and 3D fluorescence in situ hybridization. We detected a co-localization of the B chromosomes with constitutive heterochromatin of the chromosomes of the basic set. We showed a non-random distribution of B chromosomes in the spermatocyte nuclei. Unpaired B chromosomes showed a tendency to occur in the compartment formed by the unpaired part of the XY bivalent.
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Affiliation(s)
- Tatyana V Karamysheva
- a Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences, 630090 Novosibirsk, Russia
| | - Anna A Torgasheva
- a Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences, 630090 Novosibirsk, Russia
| | - Yaroslav R Yefremov
- a Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences, 630090 Novosibirsk, Russia.,b Novosibirsk State University, 630090 Novosibirsk, Russia
| | - Anton G Bogomolov
- a Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences, 630090 Novosibirsk, Russia.,b Novosibirsk State University, 630090 Novosibirsk, Russia
| | - Thomas Liehr
- c Jena University Hospital, Friedrich Schiller University, Institute of Human Genetics, Kollegiengasse 10, D-07743 Jena, Germany
| | - Pavel M Borodin
- a Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences, 630090 Novosibirsk, Russia.,b Novosibirsk State University, 630090 Novosibirsk, Russia
| | - Nikolay B Rubtsov
- a Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences, 630090 Novosibirsk, Russia.,b Novosibirsk State University, 630090 Novosibirsk, Russia
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Rajičić M, Romanenko SA, Karamysheva TV, Blagojević J, Adnađević T, Budinski I, Bogdanov AS, Trifonov VA, Rubtsov NB, Vujošević M. The origin of B chromosomes in yellow-necked mice (Apodemus flavicollis)-Break rules but keep playing the game. PLoS One 2017; 12:e0172704. [PMID: 28329013 PMCID: PMC5362141 DOI: 10.1371/journal.pone.0172704] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2016] [Accepted: 02/08/2017] [Indexed: 12/30/2022] Open
Abstract
B chromosomes (Bs) are known for more than hundred years but their origin, structure and pattern of evolution are not well understood. In the past few years new methodological approaches, involving isolation of Bs followed by whole DNA amplification, DNA probe generation, and fluorescent in situ hybridization (FISH) or the B chromosome DNA sequencing, has allowed detailed analysis of their origin and molecular structure in different species. In this study we explored the origin of Bs in the yellow-necked wood mouse, Apodemus flavicollis, using generation of microdissected DNA probes followed by FISH on metaphase chromosomes. Bs of A. flavicollis were successfully isolated and DNA was used as the template for B-specific probes for the first time. We revealed homology of DNA derived from the analyzed B chromosomes to the pericentromeric region (PR) of sex chromosomes and subtelomeric region of two pairs of small autosomes, but lower homology to the rest of the Y chromosome. Moreover, all analysed Bs had the same structure regardless of their number per individual or the great geographic distance between examined populations from the Balkan Peninsula (Serbia) and Eastern Europe (south region of Russia and central Belarus). Therefore, it was suggested that B chromosomes in A. flavicollis have a unique common origin from the PR of sex chromosomes, and/or similar evolutionary pattern.
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Affiliation(s)
- M Rajičić
- Department for Genetic Research, Institute for Biological Research "Siniša Stanković", University of Belgrade, Belgrade Serbia
| | - S A Romanenko
- Institute of Molecular and Cellular Biology, SB RAS, Novosibirsk Russia
| | - T V Karamysheva
- Institute of Cytology and Genetics, SB RAS, Novosibirsk Russia
| | - J Blagojević
- Department for Genetic Research, Institute for Biological Research "Siniša Stanković", University of Belgrade, Belgrade Serbia
| | - T Adnađević
- Department for Genetic Research, Institute for Biological Research "Siniša Stanković", University of Belgrade, Belgrade Serbia
| | - I Budinski
- Department for Genetic Research, Institute for Biological Research "Siniša Stanković", University of Belgrade, Belgrade Serbia
| | - A S Bogdanov
- Koltzov Institute of Developmental Biology, RAS, Moscow Russia
| | - V A Trifonov
- Institute of Molecular and Cellular Biology, SB RAS, Novosibirsk Russia
| | - N B Rubtsov
- Institute of Cytology and Genetics, SB RAS, Novosibirsk Russia
| | - M Vujošević
- Department for Genetic Research, Institute for Biological Research "Siniša Stanković", University of Belgrade, Belgrade Serbia
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Exploring Supernumeraries - A New Marker for Screening of B-Chromosomes Presence in the Yellow Necked Mouse Apodemus flavicollis. PLoS One 2016; 11:e0160946. [PMID: 27551940 PMCID: PMC4994964 DOI: 10.1371/journal.pone.0160946] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2016] [Accepted: 07/27/2016] [Indexed: 11/19/2022] Open
Abstract
Since the density of simple sequence repeats (SSRs) may vary between different chromosomes of the same species in eukaryotic genomes, we screened SSRs of the whole genome of the yellow necked mouse, Apodemus flavicollis, in order to reveal SSR profiles specific for animals carrying B chromosomes. We found that the 2200 bp band was amplified by primer (CAG)4AC to a highly increased level in samples with B chromosomes. This quantitative difference (B-marker) between animals with (+B) and without (0B) B chromosomes was used to screen 20 populations (387 animals). The presence/absence of Bs was confirmed in 96.5% of 342 non mosaic individuals, which recommends this method for noninvasive B-presence detection. A group of 45 animals with mosaic and micro B (μB) karyotypes was considered separately and showed 55.6% of overall congruence between karyotyping and molecular screening results. Relative quantification by qPCR of two different targeted sequences from B-marker indicated that these B-specific fragments are multiplied on B chromosomes. It also confirms our assumption that different types of Bs with variable molecular composition may exist in the same individual and between individuals of this species. Our results substantiate the origin of Bs from the standard chromosomal complement. The B-marker showed 98% sequence identity with the serine/threonine protein kinase VRK1 gene, similarly to findings reported for Bs from phylogenetically highly distant mammalian species. Evolutionarily conserved protein-coding genes found in Bs, including this one in A. flavicollis, could suggest a common evolutionary pathway.
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Rubtsov NB, Karamysheva TV, Bogdanov AS, Kartavtseva IV, Bochkarev MN, Iwasa MA. Comparative analysis of DNA homology in pericentric regions of chromosomes of wood mice from genera Apodemus and Sylvaemus. RUSS J GENET+ 2015. [DOI: 10.1134/s1022795415120091] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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