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Bikchurina T, Pavlenko M, Kizilova E, Rubtsova D, Sheremetyeva I, Kartavtseva I, Torgasheva A, Borodin P. Chromosome Asynapsis Is the Main Cause of Male Sterility in the Interspecies Hybrids of East Asian Voles ( Alexandromys, Rodentia, Arvicolinae). Genes (Basel) 2023; 14:genes14051022. [PMID: 37239382 DOI: 10.3390/genes14051022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Revised: 04/24/2023] [Accepted: 04/28/2023] [Indexed: 05/28/2023] Open
Abstract
Closely related mammalian species often have differences in chromosome number and morphology, but there is still a debate about how these differences relate to reproductive isolation. To study the role of chromosome rearrangements in speciation, we used the gray voles in the Alexandromys genus as a model. These voles have a high level of chromosome polymorphism and substantial karyotypic divergence. We investigated testis histology and meiotic chromosome behavior in the captive-bred colonies of Alexandromys maximowiczii, Alexandromys mujanensis, two chromosome races of Alexandromys evoronensis, and their interracial and interspecies hybrids, to explore the relationship between karyotypic differences and male hybrid sterility. We found that the seminiferous tubules of the males of the parental species and the interracial hybrids, which were simple heterozygotes for one or more chromosome rearrangements, contained germ cells at all stages of spermatogenesis, indicating their potential fertility. Their meiotic cells displayed orderly chromosome synapsis and recombination. In contrast, all interspecies male hybrids, which were complex heterozygotes for a series of chromosome rearrangements, showed signs of complete sterility. Their spermatogenesis was mainly arrested at the zygotene- or pachytene-like stages due to the formation of complex multivalent chains, which caused extended chromosome asynapsis. The asynapsis led to the silencing of unsynapsed chromatin. We suggest that chromosome asynapsis is the main cause of meiotic arrest and male sterility in the interspecies hybrids of East Asian voles.
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Affiliation(s)
- Tatiana Bikchurina
- Department of Cytology and Genetics, Faculty of Natural Sciences, Novosibirsk State University, 630090 Novosibirsk, Russia
- Institute of Cytology and Genetics, Siberian Branch of the Russian Academy of Sciences, 630090 Novosibirsk, Russia
| | - Marina Pavlenko
- Federal Scientific Center of the East Asia Terrestrial Biodiversity, Far East Branch of the Russian Academy of Sciences, 690022 Vladivostok, Russia
| | - Elena Kizilova
- Institute of Cytology and Genetics, Siberian Branch of the Russian Academy of Sciences, 630090 Novosibirsk, Russia
| | - Daria Rubtsova
- Department of Cytology and Genetics, Faculty of Natural Sciences, Novosibirsk State University, 630090 Novosibirsk, Russia
- Institute of Cytology and Genetics, Siberian Branch of the Russian Academy of Sciences, 630090 Novosibirsk, Russia
| | - Irina Sheremetyeva
- Federal Scientific Center of the East Asia Terrestrial Biodiversity, Far East Branch of the Russian Academy of Sciences, 690022 Vladivostok, Russia
| | - Irina Kartavtseva
- Federal Scientific Center of the East Asia Terrestrial Biodiversity, Far East Branch of the Russian Academy of Sciences, 690022 Vladivostok, Russia
| | - Anna Torgasheva
- Institute of Cytology and Genetics, Siberian Branch of the Russian Academy of Sciences, 630090 Novosibirsk, Russia
| | - Pavel Borodin
- Institute of Cytology and Genetics, Siberian Branch of the Russian Academy of Sciences, 630090 Novosibirsk, Russia
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Borodin P, Chen A, Forstmeier W, Fouché S, Malinovskaya L, Pei Y, Reifová R, Ruiz-Ruano FJ, Schlebusch SA, Sotelo-Muñoz M, Torgasheva A, Vontzou N, Suh A. Mendelian nightmares: the germline-restricted chromosome of songbirds. Chromosome Res 2022; 30:255-272. [PMID: 35416568 PMCID: PMC9508068 DOI: 10.1007/s10577-022-09688-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Revised: 02/07/2022] [Accepted: 03/16/2022] [Indexed: 11/03/2022]
Abstract
Germline-restricted chromosomes (GRCs) are accessory chromosomes that occur only in germ cells. They are eliminated from somatic cells through programmed DNA elimination during embryo development. GRCs have been observed in several unrelated animal taxa and show peculiar modes of non-Mendelian inheritance and within-individual elimination. Recent cytogenetic and phylogenomic evidence suggests that a GRC is present across the species-rich songbirds, but absent in non-passerine birds, implying that over half of all 10,500 bird species have extensive germline/soma genome differences. Here, we review recent insights gained from genomic, transcriptomic, and cytogenetic approaches with regard to the genetic content, phylogenetic distribution, and inheritance of the songbird GRC. While many questions remain unsolved in terms of GRC inheritance, elimination, and function, we discuss plausible scenarios and future directions for understanding this widespread form of programmed DNA elimination.
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Affiliation(s)
- Pavel Borodin
- Siberian Department, Russian Academy of Sciences, Institute of Cytology and Genetics, Prospekt Akademika Lavrent'yeva 10, 630090, Novosibirsk, Russia
| | - Augustin Chen
- Department of Organismal Biology - Systematic Biology, Evolutionary Biology Centre, Uppsala University, Science for Life Laboratory, 752 36, Uppsala, Sweden
| | - Wolfgang Forstmeier
- Department of Behavioural Ecology and Evolutionary Genetics, Max Planck Institute for Ornithology, Eberhard-Gwinner-Straße, 82319, Seewiesen, Germany.
| | - Simone Fouché
- Department of Organismal Biology - Systematic Biology, Evolutionary Biology Centre, Uppsala University, Science for Life Laboratory, 752 36, Uppsala, Sweden.,School of Biological Sciences, University of East Anglia, Norwich Research Park, Norwich, NR4 7TU, UK
| | - Lyubov Malinovskaya
- Siberian Department, Russian Academy of Sciences, Institute of Cytology and Genetics, Prospekt Akademika Lavrent'yeva 10, 630090, Novosibirsk, Russia
| | - Yifan Pei
- Department of Behavioural Ecology and Evolutionary Genetics, Max Planck Institute for Ornithology, Eberhard-Gwinner-Straße, 82319, Seewiesen, Germany
| | - Radka Reifová
- Department of Zoology, Faculty of Science, Charles University, Viničná 7, 128 44, Prague, Czech Republic.
| | - Francisco J Ruiz-Ruano
- Department of Organismal Biology - Systematic Biology, Evolutionary Biology Centre, Uppsala University, Science for Life Laboratory, 752 36, Uppsala, Sweden.,School of Biological Sciences, University of East Anglia, Norwich Research Park, Norwich, NR4 7TU, UK
| | - Stephen A Schlebusch
- Department of Zoology, Faculty of Science, Charles University, Viničná 7, 128 44, Prague, Czech Republic
| | - Manuelita Sotelo-Muñoz
- Department of Zoology, Faculty of Science, Charles University, Viničná 7, 128 44, Prague, Czech Republic
| | - Anna Torgasheva
- Siberian Department, Russian Academy of Sciences, Institute of Cytology and Genetics, Prospekt Akademika Lavrent'yeva 10, 630090, Novosibirsk, Russia.
| | - Niki Vontzou
- School of Biological Sciences, University of East Anglia, Norwich Research Park, Norwich, NR4 7TU, UK
| | - Alexander Suh
- Department of Organismal Biology - Systematic Biology, Evolutionary Biology Centre, Uppsala University, Science for Life Laboratory, 752 36, Uppsala, Sweden. .,School of Biological Sciences, University of East Anglia, Norwich Research Park, Norwich, NR4 7TU, UK.
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Torgasheva A, Malinovskaya L, Zadesenets K, Shnaider E, Rubtsov N, Borodin P. Germline-Restricted Chromosome (GRC) in Female and Male Meiosis of the Great Tit (Parus major, Linnaeus, 1758). Front Genet 2021; 12:768056. [PMID: 34759962 PMCID: PMC8573160 DOI: 10.3389/fgene.2021.768056] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Accepted: 09/28/2021] [Indexed: 11/17/2022] Open
Abstract
All songbirds studied so far have a germline-restricted chromosome (GRC), which is present in the germ cells and absent in the somatic cells. It shows a wide variation in size, morphology, and genetic content between the songbird species. In this paper, we analyzed GRC behavior in female and male meiosis of the great tit, using immunolocalization of meiotic proteins and FISH with GRC-derived DNA probes. We found that, despite dozens of million years of independent evolution, the great tit GRC displays a striking similarity with the GRCs of two species of martins and two species of estrildid finches examined earlier. It was usually present in two copies in females forming recombining bivalent and in one copy in males forming a condensed heterochromatic body with dotted-like axial elements of the synaptonemal complex. We observed mosaicism for the GRC copy number in the female and male great tit. This indicates that one of the GRC copies might be passively lost during premeiotic germ cell divisions. After the meiotic prophase, the GRC was ejected from most male germ cells. The reverse and interspecies FISH with GRC-specific microdissected DNA probes indicates that GRCs of the great tit, pale martin, and zebra finch differ substantially in their genetic content despite similarities in the meiotic behavior.
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Affiliation(s)
- Anna Torgasheva
- Institute of Cytology and Genetics, Russian Academy of Sciences, Siberian Branch, Novosibirsk, Russia.,Novosibirsk State University, Novosibirsk, Russia
| | - Lyubov Malinovskaya
- Institute of Cytology and Genetics, Russian Academy of Sciences, Siberian Branch, Novosibirsk, Russia.,Novosibirsk State University, Novosibirsk, Russia
| | - Kira Zadesenets
- Institute of Cytology and Genetics, Russian Academy of Sciences, Siberian Branch, Novosibirsk, Russia
| | | | - Nikolai Rubtsov
- Institute of Cytology and Genetics, Russian Academy of Sciences, Siberian Branch, Novosibirsk, Russia.,Novosibirsk State University, Novosibirsk, Russia
| | - Pavel Borodin
- Institute of Cytology and Genetics, Russian Academy of Sciences, Siberian Branch, Novosibirsk, Russia.,Novosibirsk State University, Novosibirsk, Russia
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Torgasheva A, Malinovskaya L, Zadesenets KS, Slobodchikova A, Shnaider E, Rubtsov N, Borodin P. Highly Conservative Pattern of Sex Chromosome Synapsis and Recombination in Neognathae Birds. Genes (Basel) 2021; 12:1358. [PMID: 34573341 PMCID: PMC8465153 DOI: 10.3390/genes12091358] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Revised: 08/16/2021] [Accepted: 08/27/2021] [Indexed: 01/22/2023] Open
Abstract
We analyzed the synapsis and recombination between Z and W chromosomes in the oocytes of nine neognath species: domestic chicken Gallus gallus domesticus, grey goose Anser anser, black tern Chlidonias niger, common tern Sterna hirundo, pale martin Riparia diluta, barn swallow Hirundo rustica, European pied flycatcher Ficedula hypoleuca, great tit Parus major and white wagtail Motacilla alba using immunolocalization of SYCP3, the main protein of the lateral elements of the synaptonemal complex, and MLH1, the mismatch repair protein marking mature recombination nodules. In all species examined, homologous synapsis occurs in a short region of variable size at the ends of Z and W chromosomes, where a single recombination nodule is located. The remaining parts of the sex chromosomes undergo synaptic adjustment and synapse non-homologously. In 25% of ZW bivalents of white wagtail, synapsis and recombination also occur at the secondary pairing region, which probably resulted from autosome-sex chromosome translocation. Using FISH with a paint probe specific to the germline-restricted chromosome (GRC) of the pale martin on the oocytes of the pale martin, barn swallow and great tit, we showed that both maternally inherited songbird chromosomes (GRC and W) share common sequences.
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Affiliation(s)
- Anna Torgasheva
- Institute of Cytology and Genetics, Russian Academy of Sciences, Siberian Branch, 630090 Novosibirsk, Russia; (A.T.); (L.M.); (K.S.Z.); (A.S.); (N.R.)
- Department of Cytology and Genetics, Novosibirsk State University, 630090 Novosibirsk, Russia
| | - Lyubov Malinovskaya
- Institute of Cytology and Genetics, Russian Academy of Sciences, Siberian Branch, 630090 Novosibirsk, Russia; (A.T.); (L.M.); (K.S.Z.); (A.S.); (N.R.)
- Department of Cytology and Genetics, Novosibirsk State University, 630090 Novosibirsk, Russia
| | - Kira S. Zadesenets
- Institute of Cytology and Genetics, Russian Academy of Sciences, Siberian Branch, 630090 Novosibirsk, Russia; (A.T.); (L.M.); (K.S.Z.); (A.S.); (N.R.)
| | - Anastasia Slobodchikova
- Institute of Cytology and Genetics, Russian Academy of Sciences, Siberian Branch, 630090 Novosibirsk, Russia; (A.T.); (L.M.); (K.S.Z.); (A.S.); (N.R.)
- Department of Cytology and Genetics, Novosibirsk State University, 630090 Novosibirsk, Russia
| | - Elena Shnaider
- Bird of Prey Rehabilitation Centre, 630090 Novosibirsk, Russia;
| | - Nikolai Rubtsov
- Institute of Cytology and Genetics, Russian Academy of Sciences, Siberian Branch, 630090 Novosibirsk, Russia; (A.T.); (L.M.); (K.S.Z.); (A.S.); (N.R.)
- Department of Cytology and Genetics, Novosibirsk State University, 630090 Novosibirsk, Russia
| | - Pavel Borodin
- Institute of Cytology and Genetics, Russian Academy of Sciences, Siberian Branch, 630090 Novosibirsk, Russia; (A.T.); (L.M.); (K.S.Z.); (A.S.); (N.R.)
- Department of Cytology and Genetics, Novosibirsk State University, 630090 Novosibirsk, Russia
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