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Borodin PM. Germline-restricted chromosomes of the songbirds. Vavilovskii Zhurnal Genet Selektsii 2023; 27:641-650. [PMID: 38023808 PMCID: PMC10643108 DOI: 10.18699/vjgb-23-75] [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] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Revised: 06/30/2023] [Accepted: 06/30/2023] [Indexed: 12/01/2023] Open
Abstract
Germline-restricted chromosomes (GRCs) are present in the genomes of germline cells and absent from somatic cells. A GRC is found in all species of the songbirds (Passeri) and in none of the other bird orders studied to date. This indicates that GRC originated in the common ancestor of the songbirds. The germline-restricted chromosome is permanently absent from somatic cells of the songbird, while female germline cells usually contain two copies of GRC and male ones have one copy. In females, GRCs undergo synapsis and restricted recombination in their terminal regions during meiotic prophase. In males, it is almost always eliminated from spermatocytes. Thus, GRC is inherited almost exclusively through the maternal lineage. The germline-restricted chromosome is a necessary genomic element in the germline cells of songbirds. To date, the GRC genetic composition has been studied in four species only. Some GRC genes are actively expressed in female and male gonads, controlling the development of germline cells and synthesis of the proteins involved in the organization of meiotic chromosomes. Songbird species vary in GRC size and genetic composition. The GRC of each bird species consists of amplified and modified copies of genes from the basic genome of that species. The level of homology between GRCs of different species is relatively low, indicating a high rate of genetic evolution of this chromosome. Transmission through the maternal lineage and suppression of the recombination contribute significantly to the accelerated evolution of GRCs. One may suggest that the rapid coordinated evolution between the GRC genes and the genes of the basic genome in the songbirds might be responsible for the explosive speciation and adaptive radiation of this most species-rich and diverse infraorder of birds.
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Affiliation(s)
- P M Borodin
- Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
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Smith J, Alfieri JM, Anthony N, Arensburger P, Athrey GN, Balacco J, Balic A, Bardou P, Barela P, Bigot Y, Blackmon H, Borodin PM, Carroll R, Casono MC, Charles M, Cheng H, Chiodi M, Cigan L, Coghill LM, Crooijmans R, Das N, Davey S, Davidian A, Degalez F, Dekkers JM, Derks M, Diack AB, Djikeng A, Drechsler Y, Dyomin A, Fedrigo O, Fiddaman SR, Formenti G, Frantz LAF, Fulton JE, Gaginskaya E, Galkina S, Gallardo RA, Geibel J, Gheyas AA, Godinez CJP, Goodell A, Graves JAM, Griffin DK, Haase B, Han JL, Hanotte O, Henderson LJ, Hou ZC, Howe K, Huynh L, Ilatsia E, Jarvis ED, Johnson SM, Kaufman J, Kelly T, Kemp S, Kern C, Keroack JH, Klopp C, Lagarrigue S, Lamont SJ, Lange M, Lanke A, Larkin DM, Larson G, Layos JKN, Lebrasseur O, Malinovskaya LP, Martin RJ, Martin Cerezo ML, Mason AS, McCarthy FM, McGrew MJ, Mountcastle J, Muhonja CK, Muir W, Muret K, Murphy TD, Ng'ang'a I, Nishibori M, O'Connor RE, Ogugo M, Okimoto R, Ouko O, Patel HR, Perini F, Pigozzi MI, Potter KC, Price PD, Reimer C, Rice ES, Rocos N, Rogers TF, Saelao P, Schauer J, Schnabel RD, Schneider VA, Simianer H, Smith A, Stevens MP, Stiers K, Tiambo CK, Tixier-Boichard M, Torgasheva AA, Tracey A, Tregaskes CA, Vervelde L, Wang Y, Warren WC, Waters PD, Webb D, Weigend S, Wolc A, Wright AE, Wright D, Wu Z, Yamagata M, Yang C, Yin ZT, Young MC, Zhang G, Zhao B, Zhou H. Fourth Report on Chicken Genes and Chromosomes 2022. Cytogenet Genome Res 2023; 162:405-528. [PMID: 36716736 DOI: 10.1159/000529376] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Accepted: 01/22/2023] [Indexed: 02/01/2023] Open
Affiliation(s)
- Jacqueline Smith
- The Roslin Institute and Royal (Dick) School of Veterinary Studies, University of Edinburgh, Easter Bush Campus, Edinburgh, UK
| | - James M Alfieri
- Interdisciplinary Program in Ecology and Evolutionary Biology, Texas A&M University, College Station, Texas, USA
- Department of Biology, Texas A&M University, College Station, Texas, USA
- Department of Poultry Science, Texas A&M University, College Station, Texas, USA
| | | | - Peter Arensburger
- Biological Sciences Department, California State Polytechnic University, Pomona, California, USA
| | - Giridhar N Athrey
- Interdisciplinary Program in Ecology and Evolutionary Biology, Texas A&M University, College Station, Texas, USA
- Department of Poultry Science, Texas A&M University, College Station, Texas, USA
| | | | - Adam Balic
- The Roslin Institute and Royal (Dick) School of Veterinary Studies, University of Edinburgh, Easter Bush Campus, Edinburgh, UK
| | - Philippe Bardou
- Université de Toulouse, INRAE, ENVT, GenPhySE, Sigenae, Castanet Tolosan, France
| | | | - Yves Bigot
- PRC, UMR INRAE 0085, CNRS 7247, Centre INRAE Val de Loire, Nouzilly, France
| | - Heath Blackmon
- Interdisciplinary Program in Ecology and Evolutionary Biology, Texas A&M University, College Station, Texas, USA
- Department of Biology, Texas A&M University, College Station, Texas, USA
| | - Pavel M Borodin
- Department of Molecular Genetics, Cell Biology and Bioinformatics, Institute of Cytology and Genetics of Siberian Branch of Russian Academy of Sciences, Novosibirsk, Russian Federation
| | - Rachel Carroll
- Department of Animal Sciences, Data Science and Informatics Institute, University of Missouri, Columbia, Missouri, USA
| | | | - Mathieu Charles
- University Paris-Saclay, INRAE, AgroParisTech, GABI, Sigenae, Jouy-en-Josas, France
| | - Hans Cheng
- USDA, ARS, USNPRC, Avian Disease and Oncology Laboratory, East Lansing, Michigan, USA
| | | | | | - Lyndon M Coghill
- Department of Veterinary Pathology, University of Missouri, Columbia, Missouri, USA
| | - Richard Crooijmans
- Animal Breeding and Genomics, Wageningen University and Research, Wageningen, The Netherlands
| | | | - Sean Davey
- University of Arizona, Tucson, Arizona, USA
| | - Asya Davidian
- Saint Petersburg State University, Saint Petersburg, Russian Federation
| | - Fabien Degalez
- INRAE, INSTITUT AGRO, PEGASE UMR 1348, Saint-Gilles, France
| | - Jack M Dekkers
- Feed the Future Innovation Lab for Genomics to Improve Poultry, University of California, Davis, California, USA
- Department of Animal Science, Iowa State University, Ames, Iowa, USA
| | - Martijn Derks
- Animal Breeding and Genomics, Wageningen University and Research, Wageningen, The Netherlands
| | - Abigail B Diack
- The Roslin Institute and Royal (Dick) School of Veterinary Studies, University of Edinburgh, Easter Bush Campus, Edinburgh, UK
| | - Appolinaire Djikeng
- Centre for Tropical Livestock Genetics and Health (CTLGH) - The Roslin Institute, Edinburgh, UK
| | - Yvonne Drechsler
- College of Veterinary Medicine, Western University of Health Sciences, Pomona, California, USA
| | - Alexander Dyomin
- Saint Petersburg State University, Saint Petersburg, Russian Federation
| | | | | | | | - Laurent A F Frantz
- Queen Mary University of London, Bethnal Green, London, UK
- Palaeogenomics Group, Department of Veterinary Sciences, LMU Munich, Munich, Germany
| | - Janet E Fulton
- Hy-Line International, Research and Development, Dallas Center, Iowa, USA
| | - Elena Gaginskaya
- Saint Petersburg State University, Saint Petersburg, Russian Federation
| | - Svetlana Galkina
- Saint Petersburg State University, Saint Petersburg, Russian Federation
| | - Rodrigo A Gallardo
- Feed the Future Innovation Lab for Genomics to Improve Poultry, University of California, Davis, California, USA
- School of Veterinary Medicine, University of California, Davis, California, USA
| | - Johannes Geibel
- Institute of Farm Animal Genetics, Friedrich-Loeffler-Institut, Neustadt, Germany
- Center for Integrated Breeding Research, University of Göttingen, Göttingen, Germany
| | - Almas A Gheyas
- The Roslin Institute and Royal (Dick) School of Veterinary Studies, University of Edinburgh, Easter Bush Campus, Edinburgh, UK
| | - Cyrill John P Godinez
- Department of Animal Science, College of Agriculture and Food Science, Visayas State University, Baybay City, Philippines
| | | | - Jennifer A M Graves
- Department of Environment and Genetics, La Trobe University, Melbourne, Victoria, Australia
- Institute for Applied Ecology, University of Canberra, Canberra, Australian Capital Territory, Australia
| | | | | | - Jian-Lin Han
- CAAS-ILRI Joint Laboratory on Livestock and Forage Genetic Resources, Institute of Animal Science, Chinese Academy of Agricultural Sciences (CAAS), Beijing, China
- International Livestock Research Institute (ILRI), Addis Ababa, Ethiopia
| | - Olivier Hanotte
- International Livestock Research Institute (ILRI), Addis Ababa, Ethiopia
- Cells, Organisms and Molecular Genetics, School of Life Sciences, University of Nottingham, Nottingham, UK
- Centre for Tropical Livestock Genetics and Health, The Roslin Institute, Edinburgh, UK
| | - Lindsay J Henderson
- The Roslin Institute and Royal (Dick) School of Veterinary Studies, University of Edinburgh, Easter Bush Campus, Edinburgh, UK
| | - Zhuo-Cheng Hou
- National Engineering Laboratory for Animal Breeding and Key Laboratory of Animal Genetics, Breeding and Reproduction, MARA, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | | | - Lan Huynh
- Institute for Immunology and Infection Research, University of Edinburgh, Edinburgh, UK
| | - Evans Ilatsia
- Dairy Research Institute, Kenya Agricultural and Livestock Organization, Naivasha, Kenya
| | | | | | - Jim Kaufman
- Institute for Immunology and Infection Research, University of Edinburgh, Edinburgh, UK
- Department of Veterinary Medicine, University of Cambridge, Cambridge, UK
- Department of Pathology, University of Cambridge, Cambridge, UK
| | - Terra Kelly
- Feed the Future Innovation Lab for Genomics to Improve Poultry, University of California, Davis, California, USA
- School of Veterinary Medicine, University of California, Davis, California, USA
| | - Steve Kemp
- Centre for Tropical Livestock Genetics and Health (CTLGH) - ILRI, Nairobi, Kenya
| | - Colin Kern
- Department of Animal Science, University of California, Davis, California, USA
| | | | | | | | - Susan J Lamont
- Feed the Future Innovation Lab for Genomics to Improve Poultry, University of California, Davis, California, USA
- Department of Animal Science, Iowa State University, Ames, Iowa, USA
| | - Margaret Lange
- Department of Molecular Microbiology and Immunology, University of Missouri, Columbia, Missouri, USA
| | - Anika Lanke
- BASIS Chandler High School, Chandler, Arizona, USA
| | - Denis M Larkin
- Department of Comparative Biomedical Sciences, Royal Veterinary College, University of London, London, UK
| | - Greger Larson
- The Palaeogenomics and Bio-Archaeology Research Network, Research Laboratory for Archaeology and History of Art, The University of Oxford, Oxford, UK
| | - John King N Layos
- College of Agriculture and Forestry, Capiz State University, Mambusao, Philippines
| | - Ophélie Lebrasseur
- Centre d'Anthropobiologie et de Génomique de Toulouse (CAGT), CNRS UMR 5288, Université Toulouse III Paul Sabatier, Toulouse, France
- Instituto Nacional de Antropología y Pensamiento Latinoamericano, Ciudad Autónoma de Buenos Aires, Argentina
| | - Lyubov P Malinovskaya
- Department of Cytology and Genetics, Novosibirsk State University, Novosibirsk, Russian Federation
| | | | | | | | | | - Michael J McGrew
- The Roslin Institute and Royal (Dick) School of Veterinary Studies, University of Edinburgh, Easter Bush Campus, Edinburgh, UK
- Centre for Tropical Livestock Genetics and Health (CTLGH) - The Roslin Institute, Edinburgh, UK
| | | | - Christine Kamidi Muhonja
- Dairy Research Institute, Kenya Agricultural and Livestock Organization, Naivasha, Kenya
- Centre for Tropical Livestock Genetics and Health (CTLGH) - ILRI, Nairobi, Kenya
| | - William Muir
- Department of Animal Sciences, Purdue University, West Lafayette, Indiana, USA
| | - Kévin Muret
- Université Paris-Saclay, Commissariat à l'Energie Atomique et aux Energies Alternatives, Centre National de Recherche en Génomique Humaine, Evry, France
| | - Terence D Murphy
- National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Bethesda, Maryland, USA
| | | | - Masahide Nishibori
- Laboratory of Animal Genetics, Graduate School of Integrated Sciences for Life, Hiroshima University, Higashi-Hiroshima, Japan
| | | | - Moses Ogugo
- Centre for Tropical Livestock Genetics and Health (CTLGH) - ILRI, Nairobi, Kenya
| | - Ron Okimoto
- Cobb-Vantress, Siloam Springs, Arkansas, USA
| | - Ochieng Ouko
- Dairy Research Institute, Kenya Agricultural and Livestock Organization, Naivasha, Kenya
| | - Hardip R Patel
- The John Curtin School of Medical Research, Australian National University, Canberra, Australian Capital Territory, Australia
| | - Francesco Perini
- The Roslin Institute and Royal (Dick) School of Veterinary Studies, University of Edinburgh, Easter Bush Campus, Edinburgh, UK
- Department of Agricultural, Food and Environmental Sciences, University of Perugia, Perugia, Italy
| | - María Ines Pigozzi
- INBIOMED (CONICET-UBA), Facultad de Medicina, Universidad de Buenos Aires, Buenos Aires, Argentina
| | | | - Peter D Price
- Ecology and Evolutionary Biology, School of Biosciences, University of Sheffield, Sheffield, UK
| | - Christian Reimer
- Institute of Farm Animal Genetics, Friedrich-Loeffler-Institut, Neustadt, Germany
| | - Edward S Rice
- Department of Animal Sciences, Bond Life Sciences Center, University of Missouri, Columbia, Missouri, USA
| | - Nicolas Rocos
- Institute for Immunology and Infection Research, University of Edinburgh, Edinburgh, UK
| | - Thea F Rogers
- Department of Molecular Evolution and Development, University of Vienna, Vienna, Austria
| | - Perot Saelao
- Feed the Future Innovation Lab for Genomics to Improve Poultry, University of California, Davis, California, USA
- Department of Animal Science, University of California, Davis, California, USA
- Veterinary Pest Genetics Research Unit, USDA, Kerrville, Texas, USA
| | - Jens Schauer
- Institute of Farm Animal Genetics, Friedrich-Loeffler-Institut, Neustadt, Germany
| | - Robert D Schnabel
- Department of Animal Sciences, University of Missouri, Columbia, Missouri, USA
| | - Valerie A Schneider
- National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Bethesda, Maryland, USA
| | - Henner Simianer
- Center for Integrated Breeding Research, University of Göttingen, Göttingen, Germany
| | - Adrian Smith
- Department of Zoology, University of Oxford, Oxford, UK
| | - Mark P Stevens
- The Roslin Institute and Royal (Dick) School of Veterinary Studies, University of Edinburgh, Easter Bush Campus, Edinburgh, UK
| | - Kyle Stiers
- Department of Veterinary Pathology, University of Missouri, Columbia, Missouri, USA
| | | | | | - Anna A Torgasheva
- Department of Molecular Genetics, Cell Biology and Bioinformatics, Institute of Cytology and Genetics of Siberian Branch of Russian Academy of Sciences, Novosibirsk, Russian Federation
| | - Alan Tracey
- Wellcome Trust Sanger Institute, Hinxton, UK
| | - Clive A Tregaskes
- Department of Veterinary Medicine, University of Cambridge, Cambridge, UK
- Department of Pathology, University of Cambridge, Cambridge, UK
| | - Lonneke Vervelde
- The Roslin Institute and Royal (Dick) School of Veterinary Studies, University of Edinburgh, Easter Bush Campus, Edinburgh, UK
| | - Ying Wang
- Feed the Future Innovation Lab for Genomics to Improve Poultry, University of California, Davis, California, USA
- Department of Animal Science, University of California, Davis, California, USA
| | - Wesley C Warren
- Department of Animal Sciences, Bond Life Sciences Center, University of Missouri, Columbia, Missouri, USA
- Department of Animal Sciences, University of Missouri, Columbia, Missouri, USA
| | - Paul D Waters
- School of Biotechnology and Biomolecular Science, Faculty of Science, UNSW Sydney, Sydney, New South Wales, Australia
| | - David Webb
- National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Bethesda, Maryland, USA
| | - Steffen Weigend
- Institute of Farm Animal Genetics, Friedrich-Loeffler-Institut, Neustadt, Germany
- Center for Integrated Breeding Research, University of Göttingen, Göttingen, Germany
| | - Anna Wolc
- Department of Animal Science, Iowa State University, Ames, Iowa, USA
- Hy-Line International, Research and Development, Dallas Center, Iowa, USA
| | - Alison E Wright
- Ecology and Evolutionary Biology, School of Biosciences, University of Sheffield, Sheffield, UK
| | - Dominic Wright
- AVIAN Behavioural Genomics and Physiology, IFM Biology, Linköping University, Linköping, Sweden
| | - Zhou Wu
- The Roslin Institute and Royal (Dick) School of Veterinary Studies, University of Edinburgh, Easter Bush Campus, Edinburgh, UK
| | - Masahito Yamagata
- Center for Brain Science, Department of Molecular and Cellular Biology, Harvard University, Cambridge, Massachusetts, USA
| | | | - Zhong-Tao Yin
- National Engineering Laboratory for Animal Breeding and Key Laboratory of Animal Genetics, Breeding and Reproduction, MARA, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | | | - Guojie Zhang
- Center for Evolutionary and Organismal Biology, Zhejiang University School of Medicine, Hangzhou, China
| | - Bingru Zhao
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, China
| | - Huaijun Zhou
- Feed the Future Innovation Lab for Genomics to Improve Poultry, University of California, Davis, California, USA
- Department of Animal Science, University of California, Davis, California, USA
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Zlobin AS, Volkova NA, Zinovieva NA, Iolchiev BS, Bagirov VA, Borodin PM, Axenovich TI, Tsepilov YA. Loci Associated with Negative Heterosis for Viability and Meat Productivity in Interspecific Sheep Hybrids. Animals (Basel) 2023; 13:ani13010184. [PMID: 36611792 PMCID: PMC9817718 DOI: 10.3390/ani13010184] [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] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Revised: 12/15/2022] [Accepted: 12/19/2022] [Indexed: 01/05/2023] Open
Abstract
Negative heterosis can occur on different economically important traits, but the exact biological mechanisms of this phenomenon are still unknown. The present study focuses on determining the genetic factors associated with negative heterosis in interspecific hybrids between domestic sheep (Ovis aries) and argali (Ovis ammon). One locus (rs417431015) associated with viability and two loci (rs413302370, rs402808951) associated with meat productivity were identified. One gene (ARAP2) was prioritized for viability and three for meat productivity (PDE2A, ARAP1, and PCDH15). The loci associated with meat productivity were demonstrated to fit the overdominant inheritance model and could potentially be involved int negative heterosis mechanisms.
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Affiliation(s)
- Alexander S. Zlobin
- Kurchatov Genomic Center, Institute of Cytology and Genetics, Siberian Branch of the Russian Academy of Sciences SB RAS, 630090 Novosibirsk, Russia
| | - Natalia A. Volkova
- L.K. Ernst Federal Science Center for Animal Husbandry, 101000 Moscow, Russia
| | | | - Baylar S. Iolchiev
- L.K. Ernst Federal Science Center for Animal Husbandry, 101000 Moscow, Russia
| | - Vugar A. Bagirov
- L.K. Ernst Federal Science Center for Animal Husbandry, 101000 Moscow, Russia
| | - Pavel M. Borodin
- Institute of Cytology and Genetics, SB RAS, 630090 Novosibirsk, Russia
| | | | - Yakov A. Tsepilov
- Kurchatov Genomic Center, Institute of Cytology and Genetics, Siberian Branch of the Russian Academy of Sciences SB RAS, 630090 Novosibirsk, Russia
- Correspondence:
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Malinovskaya LP, Slobodchikova AY, Grishko EO, Pristyazhnyuk IE, Torgasheva AA, Borodin PM. Germline-Restricted Chromosomes and Autosomal Variants Revealed by Pachytene Karyotyping of 17 Avian Species. Cytogenet Genome Res 2022; 162:148-160. [PMID: 35598601 DOI: 10.1159/000524681] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Accepted: 04/20/2022] [Indexed: 11/19/2022] Open
Abstract
Karyotypes of less than 10% of bird species are known. Using immunolocalization of the synaptonemal complex, the core structure of meiotic chromosomes at the pachytene stage, and centromere proteins, we describe male pachytene karyotypes of 17 species of birds. This method enables higher resolution than the conventional analyses of metaphase chromosomes. We provide the first descriptions of the karyotypes of 3 species (rook, Blyth's reed warbler, and European pied flycatcher), correct the published data on the karyotypes of 10 species, and confirm them for 4 species. All passerine species examined have highly conservative karyotypes, 2n = 80-82 with 7 pairs of macrochromosomes (including the ZZ sex chromosome pair which was not unambiguously distinguished from other macrochromosomes in most species) and 33-34 pairs of microchromosomes. In all of them, but not in the common cuckoo, we revealed single copies of the germline-restricted chromosomes varying in size and morphology even between closely related species. This indicates a fast evolution of this additional chromosome. The interspecies differences concern the sizes of the macrochromosomes, morphology of the microchromosomes, and sizes of the centromeres. The pachytene cells of the gouldian finch, brambling, and common linnet contain heteromorphic synaptonemal complexes indicating heterozygosity for inversions or centromere shifts. The European pied flycatcher, gouldian finch, and domestic canary have extended centromeres in several macro- and microchromosomes.
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Affiliation(s)
- Lyubov P Malinovskaya
- Department of Molecular Genetics, Cell Biology and Bioinformatics, Institute of Cytology and Genetics of Siberian Branch of Russian Academy of Sciences, Novosibirsk, Russian Federation.,Department of Cytology and Genetics, Novosibirsk State University, Novosibirsk, Russian Federation
| | - Anastasia Y Slobodchikova
- Department of Molecular Genetics, Cell Biology and Bioinformatics, Institute of Cytology and Genetics of Siberian Branch of Russian Academy of Sciences, Novosibirsk, Russian Federation
| | - Ekaterina O Grishko
- Department of Molecular Genetics, Cell Biology and Bioinformatics, Institute of Cytology and Genetics of Siberian Branch of Russian Academy of Sciences, Novosibirsk, Russian Federation
| | - Inna E Pristyazhnyuk
- Department of Molecular Genetics, Cell Biology and Bioinformatics, Institute of Cytology and Genetics of Siberian Branch of Russian Academy of Sciences, Novosibirsk, Russian Federation
| | - Anna A Torgasheva
- Department of Molecular Genetics, Cell Biology and Bioinformatics, Institute of Cytology and Genetics of Siberian Branch of Russian Academy of Sciences, Novosibirsk, Russian Federation
| | - Pavel M Borodin
- Department of Molecular Genetics, Cell Biology and Bioinformatics, Institute of Cytology and Genetics of Siberian Branch of Russian Academy of Sciences, Novosibirsk, Russian Federation
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Malinovskaya LP, Tishakova KV, Bikchurina TI, Slobodchikova AY, Torgunakov NY, Torgasheva AA, Tsepilov YA, Volkova NA, Borodin PM. Negative heterosis for meiotic recombination rate in spermatocytes of the domestic chicken Gallus gallus. Vavilovskii Zhurnal Genet Selektsii 2021; 25:661-668. [PMID: 34782886 PMCID: PMC8558918 DOI: 10.18699/vj21.075] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [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: 04/23/2021] [Revised: 06/15/2021] [Accepted: 06/16/2021] [Indexed: 11/24/2022] Open
Abstract
Benef its and costs of meiotic recombination are a matter of discussion. Because recombination breaks
allele combinations already tested by natural selection and generates new ones of unpredictable f itness, a high
recombination rate is generally benef icial for the populations living in a f luctuating or a rapidly changing environment
and costly in a stable environment. Besides genetic benef its and costs, there are cytological effects of recombination,
both positive and negative. Recombination is necessary for chromosome synapsis and segregation. However,
it involves a massive generation of double-strand DNA breaks, erroneous repair of which may lead to germ
cell death or various mutations and chromosome rearrangements. Thus, the benef its of recombination (generation
of new allele combinations) would prevail over its costs (occurrence of deleterious mutations) as long as the population
remains suff iciently heterogeneous. Using immunolocalization of MLH1, a mismatch repair protein, at the
synaptonemal complexes, we examined the number and distribution of recombination nodules in spermatocytes
of two chicken breeds with high (Pervomai) and low (Russian Crested) recombination rates and their F1 hybrids and
backcrosses. We detected negative heterosis for recombination rate in the F1 hybrids. Backcrosses to the Pervomai
breed were rather homogenous and showed an intermediate recombination rate. The differences in overall recombination
rate between the breeds, hybrids and backcrosses were mainly determined by the differences in the crossing
over number in the seven largest macrochromosomes. The decrease in recombination rate in F1 is probably
determined by diff iculties in homology matching between the DNA sequences of genetically divergent breeds. The
suppression of recombination in the hybrids may impede gene f low between parapatric populations and therefore
accelerate their genetic divergence.
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Affiliation(s)
- L P Malinovskaya
- Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
| | | | - T I Bikchurina
- Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
| | - A Yu Slobodchikova
- Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
| | - N Yu Torgunakov
- Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
| | - A A Torgasheva
- Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
| | - Y A Tsepilov
- Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
| | - N A Volkova
- L.K. Ernst Federal Research Center for Animal Husbandry, Dubrovitsy, Moscow region, Russia
| | - P M Borodin
- Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
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6
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Lisachov AP, Tishakova KV, Romanenko SA, Molodtseva AS, Prokopov DY, Pereira JC, Ferguson-Smith MA, Borodin PM, Trifonov VA. Whole-chromosome fusions in the karyotype evolution of Sceloporus (Iguania, Reptilia) are more frequent in sex chromosomes than autosomes. Philos Trans R Soc Lond B Biol Sci 2021; 376:20200099. [PMID: 34304596 DOI: 10.1098/rstb.2020.0099] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Whole-chromosome fusions play a major role in the karyotypic evolution of reptiles. It has been suggested that certain chromosomes tend to fuse with sex chromosomes more frequently than others. However, the comparative genomic synteny data are too scarce to draw strong conclusions. We obtained and sequenced chromosome-specific DNA pools of Sceloporus malachiticus, an iguanian species which has experienced many chromosome fusions. We found that four of seven lineage-specific fusions involved sex chromosomes, and that certain syntenic blocks which constitute the sex chromosomes, such as the homologues of the Anolis carolinensis chromosomes 11 and 16, are repeatedly involved in sex chromosome formation in different squamate species. To test the hypothesis that the karyotypic shift could be associated with changes in recombination patterns, we performed a synaptonemal complex analysis in this species and in Sceloporus variabilis (2n = 34). It revealed that the sex chromosomes in S. malachiticus had two distal pseudoautosomal regions and a medial differentiated region. We found that multiple fusions little affected the recombination rate in S. malachiticus. Our data confirm more frequent involvement of certain chromosomes in sex chromosome formation, but do not reveal a connection between the gonosome-autosome fusions and the evolution of recombination rate. This article is part of the theme issue 'Challenging the paradigm in sex chromosome evolution: empirical and theoretical insights with a focus on vertebrates (Part II)'.
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Affiliation(s)
- Artem P Lisachov
- Institute of Environmental and Agricultural Biology (X-BIO), Tyumen State University, Tyumen 625003, Russia.,Institute of Cytology and Genetics, Russian Academy of Sciences, Siberian Branch, Novosibirsk 630090, Russia
| | - Katerina V Tishakova
- Institute of Molecular and Cellular Biology, Russian Academy of Sciences, Siberian Branch, Novosibirsk 630090, Russia.,Novosibirsk State University, Novosibirsk 630090, Russia
| | - Svetlana A Romanenko
- Institute of Molecular and Cellular Biology, Russian Academy of Sciences, Siberian Branch, Novosibirsk 630090, Russia.,Novosibirsk State University, Novosibirsk 630090, Russia
| | - Anna S Molodtseva
- Institute of Molecular and Cellular Biology, Russian Academy of Sciences, Siberian Branch, Novosibirsk 630090, Russia
| | - Dmitry Yu Prokopov
- Institute of Molecular and Cellular Biology, Russian Academy of Sciences, Siberian Branch, Novosibirsk 630090, Russia
| | - Jorge C Pereira
- Cambridge Resource Centre for Comparative Genomics, Department of Veterinary Medicine, University of Cambridge, Cambridge, UK
| | - Malcolm A Ferguson-Smith
- Cambridge Resource Centre for Comparative Genomics, Department of Veterinary Medicine, University of Cambridge, Cambridge, UK
| | - Pavel M Borodin
- Institute of Cytology and Genetics, Russian Academy of Sciences, Siberian Branch, Novosibirsk 630090, Russia.,Novosibirsk State University, Novosibirsk 630090, Russia
| | - Vladimir A Trifonov
- Institute of Molecular and Cellular Biology, Russian Academy of Sciences, Siberian Branch, Novosibirsk 630090, Russia.,Novosibirsk State University, Novosibirsk 630090, Russia
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7
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Bikchurina TI, Golenishchev FN, Kizilova EA, Mahmoudi A, Borodin PM. Reproductive Isolation Between Taxonomically Controversial Forms of the Gray Voles ( Microtus, Rodentia; Arvicolinae): Cytological Mechanisms and Taxonomical Implications. Front Genet 2021; 12:653837. [PMID: 34040633 PMCID: PMC8141921 DOI: 10.3389/fgene.2021.653837] [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] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Accepted: 03/26/2021] [Indexed: 01/03/2023] Open
Abstract
The formation of hybrid sterility is an important stage of speciation. The voles of the genus Microtus, which is the most speciose genus of rodents, provide a good model for studying the cytological mechanisms of hybrid sterility. The voles of the "mystacinus" group of the subgenus Microtus (2n = 54) comprising several recently diverged forms with unclear taxonomic status are especially interesting. To resolve the taxonomic status of Microtus mystacinus and Microtus kermanensis, we crossed both with Microtus rossiaemeridionalis, and M. kermanensis alone with Microtus arvalis "obscurus" and M. transcaspicus and examined the reproductive performance of their F1 hybrids. All interspecies male hybrids were sterile. Female M. kermanensis × M. arvalis and M. kermanensis × M. transcaspicus hybrids were sterile as well. Therefore, M. mystacinus, M. kermanensis, and M. rossiaemeridionalis could be considered valid species. To gain an insight into the cytological mechanisms of male hybrid sterility, we carried out a histological analysis of spermatogenesis and a cytological analysis of chromosome synapsis, recombination, and epigenetic chromatin modifications in the germ cells of the hybrids using immunolocalization of key meiotic proteins. The hybrids showed wide variation in the onset of spermatogenesis arrest stage, from mature (although abnormal) spermatozoa to spermatogonia only. Chromosome asynapsis was apparently the main cause of meiotic arrest. The degree of asynapsis varied widely across cells, individuals, and the crosses-from partial asynapsis of several small bivalents to complete asynapsis of all chromosomes. The asynapsis was accompanied by a delayed repair of DNA double-strand breaks marked by RAD51 antibodies and silencing of unpaired chromatin marked by γH2A.X antibodies. Overall, the severity of disturbances in spermatogenesis in general and in chromosome synapsis in particular increased in the hybrids with an increase in the phylogenetic distance between their parental species.
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Affiliation(s)
- Tatiana I Bikchurina
- Laboratory of Recombination and Segregation Analysis, Institute of Cytology and Genetics, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia.,Laboratory of Structural and Functional Genome Organization, Novosibirsk State University, Novosibirsk, Russia
| | - Fedor N Golenishchev
- Laboratory of Theriology, Zoological Institute, Russian Academy of Sciences, St. Petersburg, Russia
| | - Elena A Kizilova
- Laboratory of Recombination and Segregation Analysis, Institute of Cytology and Genetics, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia.,Department of Cytology and Genetics, Novosibirsk State University, Novosibirsk, Russia
| | - Ahmad Mahmoudi
- Department of Biology, Faculty of Science, Urmia University, Urmia, Iran
| | - Pavel M Borodin
- Laboratory of Recombination and Segregation Analysis, Institute of Cytology and Genetics, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia.,Department of Cytology and Genetics, Novosibirsk State University, Novosibirsk, Russia
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8
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Torgunakov NY, Kizilova EA, Karamysheva TV, Malinovskaya LP, Bikchurina TI, Borodin PM. Homogeneously Staining Regions (HSR) in Chromosome 1 of the House Mouse: Synapsis and Recombination at Meiosis. Cytogenet Genome Res 2021; 161:14-22. [PMID: 33725692 DOI: 10.1159/000513266] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Accepted: 09/16/2020] [Indexed: 11/19/2022] Open
Abstract
Amplified sequences constitute a large part of mammalian genomes. A chromosome 1 containing 2 large (up to 50 Mb) homogeneously staining regions (HSRs) separated by a small inverted euchromatic region is present in many natural populations of the house mouse (Mus musculus musculus). The HSRs are composed of a long-range repeat cluster, Sp100-rs, with a repeat length of 100 kb. In order to understand the organization and function of HSRs in meiotic chromosomes, we examined synapsis and recombination in male mice hetero- and homozygous for the HSR-carrying chromosome using FISH with an HSR-specific DNA probe and immunolocalization of the key meiotic proteins. In all homozygous and heterozygous pachytene nuclei, we observed fully synapsed linear homomorphic bivalents 1 marked by the HSR FISH probe. The synaptic adjustment in the heterozygotes was bilateral: the HSR-carrying homolog was shortened and the wild-type homolog was elongated. The adjustment was reversible: desynapsis at diplotene was accompanied by elongation of the HSRs. Immunolocalization of H3K9me2/3 indicated that the HSRs in the meiotic chromosome retained the epigenetic modification typical for C-heterochromatin in somatic cells. MLH1 foci, marking mature recombination nodules, were detected in the proximal HSR band in heterozygotes and in both HSR bands of homozygotes. Unequal crossing over within the long-range repeat cluster can cause variation in size of the HSRs, which has been detected in the natural populations of the house mouse.
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Affiliation(s)
- Nikita Y Torgunakov
- Institute of Cytology and Genetics, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russian Federation.,Novosibirsk State University, Novosibirsk, Russian Federation
| | - Elena A Kizilova
- Institute of Cytology and Genetics, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russian Federation.,Novosibirsk State University, Novosibirsk, Russian Federation
| | - Tatyana V Karamysheva
- Institute of Cytology and Genetics, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russian Federation
| | - Lyubov P Malinovskaya
- Institute of Cytology and Genetics, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russian Federation.,Novosibirsk State University, Novosibirsk, Russian Federation
| | - Tatiana I Bikchurina
- Institute of Cytology and Genetics, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russian Federation.,Novosibirsk State University, Novosibirsk, Russian Federation
| | - Pavel M Borodin
- Institute of Cytology and Genetics, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russian Federation, .,Novosibirsk State University, Novosibirsk, Russian Federation,
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9
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Zlobin AS, Nikulin PS, Volkova NA, Zinovieva NA, Iolchiev BS, Bagirov VA, Borodin PM, Aksenovich TI, Tsepilov YA. Multivariate Analysis Identifies Eight Novel Loci Associated with Meat Productivity Traits in Sheep. Genes (Basel) 2021; 12:367. [PMID: 33806625 PMCID: PMC8002146 DOI: 10.3390/genes12030367] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [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: 02/15/2021] [Revised: 02/25/2021] [Accepted: 02/27/2021] [Indexed: 12/27/2022] Open
Abstract
Despite their economic value, sheep remain relatively poorly studied animals in terms of the number of known loci and genes associated with commercially important traits. This gap in our knowledge can be filled in by performing new genome-wide association studies (GWAS) or by re-analyzing previously documented data using novel powerful statistical methods. This study is focused on the search for new loci associated with meat productivity and carcass traits in sheep. With a multivariate approach applied to publicly available GWAS results, we identified eight novel loci associated with the meat productivity and carcass traits in sheep. Using an in silico follow-up approach, we prioritized 13 genes in these loci. One of eight novel loci near the FAM3C and WNT16 genes has been replicated in an independent sample of Russian sheep populations (N = 108). The novel loci were added to our regularly updated database increasing the number of known loci to more than 140.
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Affiliation(s)
- Alexander S. Zlobin
- Kurchatov Genomics Center of IC&G, Siberian Branch of the Russian Academy of Sciences, 630090 Novosibirsk, Russia;
| | - Pavel S. Nikulin
- Institute of Cytology and Genetics, Siberian Branch of the Russian Academy of Sciences, 630090 Novosibirsk, Russia; (P.S.N.); (P.M.B.); (T.I.A.)
| | - Natalia A. Volkova
- L.K. Ernst Federal Research Center for Animal Husbandry, Dubrovitsy, 142132 Moscow Region, Russia; (N.A.V.); (N.A.Z.); (B.S.I.); (V.A.B.)
| | - Natalia A. Zinovieva
- L.K. Ernst Federal Research Center for Animal Husbandry, Dubrovitsy, 142132 Moscow Region, Russia; (N.A.V.); (N.A.Z.); (B.S.I.); (V.A.B.)
| | - Baylar S. Iolchiev
- L.K. Ernst Federal Research Center for Animal Husbandry, Dubrovitsy, 142132 Moscow Region, Russia; (N.A.V.); (N.A.Z.); (B.S.I.); (V.A.B.)
| | - Vugar A. Bagirov
- L.K. Ernst Federal Research Center for Animal Husbandry, Dubrovitsy, 142132 Moscow Region, Russia; (N.A.V.); (N.A.Z.); (B.S.I.); (V.A.B.)
| | - Pavel M. Borodin
- Institute of Cytology and Genetics, Siberian Branch of the Russian Academy of Sciences, 630090 Novosibirsk, Russia; (P.S.N.); (P.M.B.); (T.I.A.)
- L.K. Ernst Federal Research Center for Animal Husbandry, Dubrovitsy, 142132 Moscow Region, Russia; (N.A.V.); (N.A.Z.); (B.S.I.); (V.A.B.)
- Department of Natural Science, Novosibirsk State University, 630090 Novosibirsk, Russia
| | - Tatiana I. Aksenovich
- Institute of Cytology and Genetics, Siberian Branch of the Russian Academy of Sciences, 630090 Novosibirsk, Russia; (P.S.N.); (P.M.B.); (T.I.A.)
- L.K. Ernst Federal Research Center for Animal Husbandry, Dubrovitsy, 142132 Moscow Region, Russia; (N.A.V.); (N.A.Z.); (B.S.I.); (V.A.B.)
- Department of Natural Science, Novosibirsk State University, 630090 Novosibirsk, Russia
| | - Yakov A. Tsepilov
- Institute of Cytology and Genetics, Siberian Branch of the Russian Academy of Sciences, 630090 Novosibirsk, Russia; (P.S.N.); (P.M.B.); (T.I.A.)
- L.K. Ernst Federal Research Center for Animal Husbandry, Dubrovitsy, 142132 Moscow Region, Russia; (N.A.V.); (N.A.Z.); (B.S.I.); (V.A.B.)
- Department of Natural Science, Novosibirsk State University, 630090 Novosibirsk, Russia
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10
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Lisachov AP, Giovannotti M, Pereira JC, Andreyushkova DA, Romanenko SA, Ferguson-Smith MA, Borodin PM, Trifonov VA. Chromosome Painting Does Not Support a Sex Chromosome Turnover in Lacerta agilis Linnaeus, 1758. Cytogenet Genome Res 2020; 160:134-140. [DOI: 10.1159/000506321] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/20/2020] [Indexed: 12/31/2022] Open
Abstract
Reptiles show a remarkable diversity of sex determination mechanisms and sex chromosome systems, derived from different autosomal pairs. The origin of the ZW sex chromosomes of Lacerta agilis, a widespread Eurasian lizard species, is a matter of discussion: is it a small macrochromosome from the 11-18 group common to all lacertids, or does this species have a unique ZW pair derived from the large chromosome 5? Using independent molecular cytogenetic methods, we investigated the karyotype of L. agilis exigua from Siberia, Russia, to identify the sex chromosomes. FISH with a flow-sorted chromosome painting probe derived from L. strigata and specific to chromosomes 13, 14, and Z confirmed that the Z chromosome of L. agilis is a small macrochromosome, the same as in L. strigata. FISH with the telomeric probe showed an extensive accumulation of the telomere-like repeat in the W chromosome in agreement with previous studies, excluding the possibility that the lineages of L. agilis studied in different works could have different sex chromosome systems due to a putative intra-species polymorphism. Our results reinforce the idea of the stability of the sex chromosomes and lack of evidence for sex-chromosome turnovers in known species of Lacertidae.
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11
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Malinovskaya LP, Zadesenets KS, Karamysheva TV, Akberdina EA, Kizilova EA, Romanenko MV, Shnaider EP, Scherbakova MM, Korobitsyn IG, Rubtsov NB, Borodin PM, Torgasheva AA. Germline-restricted chromosome (GRC) in the sand martin and the pale martin (Hirundinidae, Aves): synapsis, recombination and copy number variation. Sci Rep 2020; 10:1058. [PMID: 31974427 PMCID: PMC6978364 DOI: 10.1038/s41598-020-58032-4] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Accepted: 01/07/2020] [Indexed: 11/18/2022] Open
Abstract
All songbirds studied to date have an additional Germline Restricted Chromosome (GRC), which is not present in somatic cells. GRCs show a wide variation in genetic content and little homology between species. To check how this divergence affected the meiotic behavior of the GRC, we examined synapsis, recombination and copy number variation for GRCs in the closely related sand and pale martins (Riparia riparia and R. diluta) in comparison with distantly related estrildid finches. Using immunolocalization of meiotic proteins and FISH with GRC-specific DNA probes, we found a striking similarity in the meiotic behavior of GRCs between martins and estrildid finches despite the millions of years of independent evolution. GRCs are usually present in two copies in female and in one copy in male pachytene cells. However, we detected polymorphism in female and mosaicism in male martins for the number of GRCs. In martin and zebra finch females, two GRCs synapse along their whole length, but recombine predominately at their ends. We suggest that the shared features of the meiotic behavior of GRCs have been supported by natural selection in favor of a preferential segregation of GRCs to the eggs.
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Affiliation(s)
- Lyubov P Malinovskaya
- Institute of Cytology and Genetics, Russian Academy of Sciences, Siberian Department, 630090, Novosibirsk, Russia.,Novosibirsk State University, Novosibirsk, 630090, Russia
| | - Kira S Zadesenets
- Institute of Cytology and Genetics, Russian Academy of Sciences, Siberian Department, 630090, Novosibirsk, Russia
| | - Tatyana V Karamysheva
- Institute of Cytology and Genetics, Russian Academy of Sciences, Siberian Department, 630090, Novosibirsk, Russia
| | - Ekaterina A Akberdina
- Institute of Cytology and Genetics, Russian Academy of Sciences, Siberian Department, 630090, Novosibirsk, Russia
| | - Elena A Kizilova
- Institute of Cytology and Genetics, Russian Academy of Sciences, Siberian Department, 630090, Novosibirsk, Russia.,Novosibirsk State University, Novosibirsk, 630090, Russia
| | | | | | | | | | - Nikolai B Rubtsov
- Institute of Cytology and Genetics, Russian Academy of Sciences, Siberian Department, 630090, Novosibirsk, Russia.,Novosibirsk State University, Novosibirsk, 630090, Russia
| | - Pavel M Borodin
- Institute of Cytology and Genetics, Russian Academy of Sciences, Siberian Department, 630090, Novosibirsk, Russia.,Novosibirsk State University, Novosibirsk, 630090, Russia
| | - Anna A Torgasheva
- Institute of Cytology and Genetics, Russian Academy of Sciences, Siberian Department, 630090, Novosibirsk, Russia. .,Novosibirsk State University, Novosibirsk, 630090, Russia.
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12
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Malinovskaya LP, Tishakova KV, Volkova NA, Torgasheva AA, Tsepilov YA, Borodin PM. Interbreed variation in meiotic recombination rate and distribution in the domestic chicken Gallus gallus. Arch Anim Breed 2019; 62:403-411. [PMID: 31807651 PMCID: PMC6859913 DOI: 10.5194/aab-62-403-2019] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2019] [Accepted: 06/21/2019] [Indexed: 11/11/2022] Open
Abstract
The efficiency of natural and artificial selection is critically dependent on the recombination rate. However, interbreed and individual variation in recombination rate in poultry remains unknown. Conventional methods of analysis of recombination such as genetic linkage analysis, sperm genotyping and chiasma count at lampbrush chromosomes are expensive and time-consuming. In this study, we analyzed the number and distribution of recombination nodules in spermatocytes of the roosters of six chicken breeds using immunolocalization of key proteins involved in chromosome pairing and recombination. We revealed significant effects of breed ( R 2 = 0.17 ; p < 0.001 ) and individual ( R 2 = 0.28 ; p < 0.001 ) on variation in the number of recombination nodules. Both interbreed and individual variations in recombination rate were almost entirely determined by variation in recombination density on macrochromosomes, because almost all microchromosomes in each breed had one recombination nodule. Despite interbreed differences in the density of recombination nodules, the patterns of their distribution along homologous chromosomes were similar. The breeds examined in this study showed a correspondence between the age of the breed and its recombination rate. Those with high recombination rates (Pervomai, Russian White and Brahma) are relatively young breeds created by crossing several local breeds. The breeds displaying low recombination rate are ancient local breeds: Cochin (Indo-China), Brown Leghorn (Tuscany, Italy) and Russian Crested (the European part of Russia).
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Affiliation(s)
- Lyubov P Malinovskaya
- Institute of Cytology and Genetics SB RAS, Novosibirsk, 630090, Russia.,Novosibirsk State University, Novosibirsk, 630090, Russia
| | - Katerina V Tishakova
- Institute of Cytology and Genetics SB RAS, Novosibirsk, 630090, Russia.,Novosibirsk State University, Novosibirsk, 630090, Russia
| | - Natalia A Volkova
- L. K. Ernst Federal Science Center for Animal Husbandry, Dubrovitsy, 142132, Russia
| | - Anna A Torgasheva
- Institute of Cytology and Genetics SB RAS, Novosibirsk, 630090, Russia.,Novosibirsk State University, Novosibirsk, 630090, Russia
| | - Yakov A Tsepilov
- Institute of Cytology and Genetics SB RAS, Novosibirsk, 630090, Russia.,Novosibirsk State University, Novosibirsk, 630090, Russia
| | - Pavel M Borodin
- Institute of Cytology and Genetics SB RAS, Novosibirsk, 630090, Russia.,Novosibirsk State University, Novosibirsk, 630090, Russia
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13
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Zlobin AS, Volkova NA, Borodin PM, Aksenovich TI, Tsepilov YA. PSX-14 Recent advances in understanding genetic variants associated with growth, carcass and meat productivity traits in sheep (Ovis aries): an update. J Anim Sci 2019. [DOI: 10.1093/jas/skz258.908] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Identification of quantitative trait loci (QTL) and candidate genes that affect growth intensity is a prerequisite for the marker-assisted selection for economically important traits. The number of QTL studies on sheep is relatively small in comparison to those on cattle and pigs. Current QTL Sheep database (Sheep QTLdb) contains information on 1658 QTL for 225 different traits. A few genes and markers associated with growth, carcass and meat productivity traits have been reported. The information about QTLs from the Sheep QTLdb cannot be directly used in marker assisted selection due to the lack of essential information such as effective and reference alleles, the effect direction, etc., and requires manual curation and validation. In this study we performed comprehensive search for QTLs focusing on single nucleotide polymorphisms (SNPs) associated with growth and meat traits in sheep. Using 15 different keywords combinations we found 152 papers (including duplicates). Next, all the found papers were manually curated by two researches and filtered by the relevance. We selected the most relevant papers that led to the final list of 17 publications. From these 17 papers we extracted information about associated genes and QTLs (SNPs). We extracted information about associated SNPs with all available information (effect sizes, effective and reference alleles etc). In total we found information about 156 SNP-trait associations (123 unique SNPs). Also we made the list of 164 unique genes associated with growth, carcass and meat productivity traits. As the result we made the database which contains information about 156 SNP-trait associations (123 unique SNPs) and list of 165 associated genes. The updated information is freely available at https://github.com/Defrag1236/Ovines_2018. This information can be useful for further association studies and preliminary estimation of genetic variability for economically important traits in different breeds.
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Affiliation(s)
- Alexander S Zlobin
- Institute of Cytology and Genetics, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
| | - Natalia A Volkova
- L.K. Ernst Federal Science Center for Animal Husbandry, Dubrovitsy, Moscow Region, Russia
| | - Pavel M Borodin
- L.K. Ernst Federal Science Center for Animal Husbandry, Dubrovitsy, Moscow Region, Russia
| | - Tatiana I Aksenovich
- L.K. Ernst Federal Science Center for Animal Husbandry, Dubrovitsy, Moscow Region, Russia
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14
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Lisachov AP, Tishakova KV, Tsepilov YA, Borodin PM. Male Meiotic Recombination in the Steppe Agama, Trapelus sanguinolentus (Agamidae, Iguania, Reptilia). Cytogenet Genome Res 2019; 157:107-114. [DOI: 10.1159/000496078] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
Meiotic recombination rates and patterns of crossover distributions along the chromosomes vary considerably even between closely related species. The adaptive significance of these differences is still unclear due to the paucity of empirical data. Most data on recombination come from mammalian species, while other vertebrate clades are poorly explored. Using immunolocalization of the protein of the lateral element of the synaptonemal complex (SYCP3) and the mismatch-repair protein MLH1, which marks mature recombination nodules, we analyzed recombination rates and crossover distribution in meiotic prophase chromosomes of the steppe agama (Trapelus sanguinolentus, Agamidae, Acrodonta, Iguania) and compared them with data obtained for the genus Anolis (Dactyloidae, Pleurodonta, Iguania). We found that, despite a smaller genome size, the total SC length and the MLH1 focus number per cell are much higher in the agama than in the anoles. The distributions of the MLH1 foci in the agama are multimodal in larger chromosomes and bimodal in smaller chromosomes without a significant centromere effect, resembling the patterns known for birds. A possible relationship between karyotype remodeling and the evolution of recombination in Iguania is discussed.
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15
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Semenov GA, Basheva EA, Borodin PM, Torgasheva AA. High rate of meiotic recombination and its implications for intricate speciation patterns in the white wagtail (Motacilla alba). Biol J Linn Soc Lond 2018. [DOI: 10.1093/biolinnean/bly133] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Affiliation(s)
- Georgy A Semenov
- Ecology and Evolutionary Biology, University of Colorado, Ramaley Hall, Boulder, CO, USA
- Institute of Systematics and Ecology of Animals, Frunze, Novosibirsk, Russian Federation
- Ecology and Evolutionary Biology, University of Colorado, Ramaley Hall, Boulder, CO, USA
| | - Ekaterina A Basheva
- Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences, Lavrentiev Ave., Novosibirsk, Russian Federation
| | - Pavel M Borodin
- Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences, Lavrentiev Ave., Novosibirsk, Russian Federation
- Novosibirsk State Research University, Department of Cytology and Genetics, Pirogova st., Novosibirsk, Russian Federation
| | - Anna A Torgasheva
- Institute of Systematics and Ecology of Animals, Frunze, Novosibirsk, Russian Federation
- Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences, Lavrentiev Ave., Novosibirsk, Russian Federation
- Novosibirsk State Research University, Department of Cytology and Genetics, Pirogova st., Novosibirsk, Russian Federation
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16
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Bikchurina TI, Tishakova KV, Kizilova EA, Romanenko SA, Serdyukova NA, Torgasheva AA, Borodin PM. Chromosome Synapsis and Recombination in Male-Sterile and Female-Fertile Interspecies Hybrids of the Dwarf Hamsters ( Phodopus, Cricetidae). Genes (Basel) 2018; 9:genes9050227. [PMID: 29693587 PMCID: PMC5977167 DOI: 10.3390/genes9050227] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [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: 02/27/2018] [Revised: 04/09/2018] [Accepted: 04/18/2018] [Indexed: 02/06/2023] Open
Abstract
Hybrid sterility is an important step in the speciation process. Hybrids between dwarf hamsters Phodopus sungorus and P.campbelli provide a good model for studies in cytological and genetic mechanisms of hybrid sterility. Previous studies in hybrids detected multiple abnormalities of spermatogenesis and a high frequency of dissociation between the X and Y chromosomes at the meiotic prophase. In this study, we found that the autosomes of the hybrid males and females underwent paring and recombination as normally as their parental forms did. The male hybrids showed a significantly higher frequency of asynapsis and recombination failure between the heterochromatic arms of the X and Y chromosomes than the males of the parental species. Female hybrids as well as the females of the parental species demonstrated a high incidence of centromere misalignment at the XX bivalent and partial asynapsis of the ends of its heterochromatic arms. In all three karyotypes, recombination was completely suppressed in the heterochromatic arm of the X chromosome, where the pseudoautosomal region is located. We propose that this recombination pattern speeds up divergence of the X- and Y-linked pseudoautosomal regions between the parental species and results in their incompatibility in the male hybrids.
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Affiliation(s)
- Tatiana I Bikchurina
- Institute of Cytology and Genetics, Russian Academy of Sciences, Siberian Department, Novosibirsk 630090, Russia.
- Novosibirsk State University, Novosibirsk 630090, Russia.
| | - Katerina V Tishakova
- Institute of Cytology and Genetics, Russian Academy of Sciences, Siberian Department, Novosibirsk 630090, Russia.
- Novosibirsk State University, Novosibirsk 630090, Russia.
| | - Elena A Kizilova
- Institute of Cytology and Genetics, Russian Academy of Sciences, Siberian Department, Novosibirsk 630090, Russia.
- Novosibirsk State University, Novosibirsk 630090, Russia.
| | - Svetlana A Romanenko
- Novosibirsk State University, Novosibirsk 630090, Russia.
- Institute of Cell and Molecular Biology, Russian Academy of Sciences, Siberian Department, Novosibirsk 630090, Russia.
| | - Natalya A Serdyukova
- Institute of Cell and Molecular Biology, Russian Academy of Sciences, Siberian Department, Novosibirsk 630090, Russia.
| | - Anna A Torgasheva
- Institute of Cytology and Genetics, Russian Academy of Sciences, Siberian Department, Novosibirsk 630090, Russia.
- Novosibirsk State University, Novosibirsk 630090, Russia.
| | - Pavel M Borodin
- Institute of Cytology and Genetics, Russian Academy of Sciences, Siberian Department, Novosibirsk 630090, Russia.
- Novosibirsk State University, Novosibirsk 630090, Russia.
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17
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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] [What about the content of this article? (0)] [Affiliation(s)] [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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18
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Lisachov AP, Trifonov VA, Giovannotti M, Ferguson-Smith MA, Borodin PM. Heteromorphism of "Homomorphic" Sex Chromosomes in Two Anole Species (Squamata, Dactyloidae) Revealed by Synaptonemal Complex Analysis. Cytogenet Genome Res 2017; 151:89-95. [PMID: 28315859 DOI: 10.1159/000460829] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/22/2016] [Indexed: 11/19/2022] Open
Abstract
Iguanians (Pleurodonta) are one of the reptile lineages that, like birds and mammals, have sex chromosomes of ancient origin. In most iguanians these are microchromosomes, making a distinction between the X and Y as well as between homeologous sex chromosomes in other species difficult. Meiotic chromosome analysis may be used to elucidate their differentiation, because meiotic prophase chromosomes are longer and less condensed than metaphase chromosomes, and the homologues are paired with each other, revealing minor heteromorphisms. Using electron and fluorescent microscopy of surface spread synaptonemal complexes (SCs) and immunolocalization of the proteins of the SC (SYCP3), the centromere, and recombination nodules (MLH1), we examined sex chromosome synapsis and recombination in 2 species of anoles (Dactyloidae), Anolis carolinensis and Deiroptyx coelestinus, in which the sex chromosomes represent the ancestral condition of iguanians. We detected clear differences in size between the anole X and Y microchromosomes and found an interspecies difference in the localization of the pseudoautosomal region. Our results show that the apparent homomorphy of certain reptile sex chromosome systems can hide a cryptic differentiation, which potentially may influence the evolution of sexual dimorphism and speciation.
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Affiliation(s)
- Artem P Lisachov
- Institute of Cytology and Genetics, Russian Academy of Sciences, Siberian Branch, Novosibirsk, Russia
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19
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Torgasheva AA, Borodin PM. Immunocytological Analysis of Meiotic Recombination in the Gray Goose (Anser anser). Cytogenet Genome Res 2017; 151:27-35. [PMID: 28297694 DOI: 10.1159/000458741] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/31/2016] [Indexed: 11/19/2022] Open
Abstract
Studies on mammals demonstrate wide interspecific variation in the number and distribution of recombination events along chromosomes. Birds represent an interesting model group for comparative analysis of cytological and ecological drivers of recombination rate evolution. Yet, data on variation in recombination rates in birds are limited to a dozen of species. In this study, we used immunolocalization of MLH1, a mismatch repair protein marking mature recombination nodules, to estimate the overall recombination rate and distribution of crossovers along macrochromosomes in female and male meiosis of the gray goose (Anser anser). The average number of MLH1 foci was significantly higher in oocytes than in spermatocytes (73.6 ± 7.8 and 58.9 ± 7.6, respectively). MLH1 foci distribution along individual macrobivalents showed subtelomeric peaks, which were more pronounced in males. Analysis of distances between neighboring MLH1 foci on macrobivalents revealed stronger crossover interference in male meiosis. These data create a framework for future genetic and physical mapping of the gray goose.
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Affiliation(s)
- Anna A Torgasheva
- Institute of Cytology and Genetics, Siberian Branch of the Russian Academy of Sciences, and Novosibirsk State University, Novosibirsk, Russia
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20
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Lisachov AP, Trifonov VA, Giovannotti M, Ferguson-Smith MA, Borodin PM. Immunocytological analysis of meiotic recombination in two anole lizards (Squamata, Dactyloidae). Comp Cytogenet 2017; 11:129-141. [PMID: 28919954 PMCID: PMC5599703 DOI: 10.3897/compcytogen.v11i1.10916] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2016] [Accepted: 01/16/2017] [Indexed: 05/13/2023]
Abstract
Although the evolutionary importance of meiotic recombination is not disputed, the significance of interspecies differences in the recombination rates and recombination landscapes remains under-appreciated. Recombination rates and distribution of chiasmata have been examined cytologically in many mammalian species, whereas data on other vertebrates are scarce. Immunolocalization of the protein of the synaptonemal complex (SYCP3), centromere proteins and the mismatch-repair protein MLH1 was used, which is associated with the most common type of recombination nodules, to analyze the pattern of meiotic recombination in the male of two species of iguanian lizards, Anolis carolinensis Voigt, 1832 and Deiroptyx coelestinus (Cope, 1862). These species are separated by a relatively long evolutionary history although they retain the ancestral iguanian karyotype. In both species similar and extremely uneven distributions of MLH1 foci along the macrochromosome bivalents were detected: approximately 90% of crossovers were located at the distal 20% of the chromosome arm length. Almost total suppression of recombination in the intermediate and proximal regions of the chromosome arms contradicts the hypothesis that "homogenous recombination" is responsible for the low variation in GC content across the anole genome. It also leads to strong linkage disequilibrium between the genes located in these regions, which may benefit conservation of co-adaptive gene arrays responsible for the ecological adaptations of the anoles.
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Affiliation(s)
- Artem P. Lisachov
- Institute of Cytology and Genetics, Russian Academy of Sciences, Siberian Branch, Novosibirsk 630090, Russia
| | - Vladimir A. Trifonov
- Institute of Molecular and Cellular Biology, Russian Academy of Sciences, Siberian Branch, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | - Massimo Giovannotti
- Dipartimento di Scienze della Vita e dell’Ambiente, Università Politecnica delle Marche, via Brecce Bianche, 60131 Ancona, Italy
| | - Malcolm A. Ferguson-Smith
- Cambridge Resource Centre for Comparative Genomics, Department of Veterinary Medicine, University of Cambridge, Madingley Road, Cambridge CB3 0ES, UK
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21
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Torgasheva AA, Borodin PM. Cytological basis of sterility in male and female hybrids between sibling species of grey voles Microtus arvalis and M. levis. Sci Rep 2016; 6:36564. [PMID: 27811955 PMCID: PMC5109913 DOI: 10.1038/srep36564] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2016] [Accepted: 10/18/2016] [Indexed: 01/13/2023] Open
Abstract
To make insight into the cytological basis of reproductive isolation, we examined chromosome synapsis and recombination in sterile male and female hybrids between Microtus arvalis and M. levis. These sibling species differ by a series of chromosomal rearrangements (fusions, inversions, centromere shifts and heterochromatin insertions). We found that meiosis in male hybrids was arrested at leptotene with complete failure of chromosome pairing and DNA double-strand breaks repair. In the female hybrids meiosis proceeded to pachytene; however, the oocytes varied in the degree of pairing errors. Some of them demonstrated almost correct chromosome pairing, while most of them contained a varying number of univalents and multivalents with extensive regions of asynapsis and non-homologous synapsis. Variation between oocytes was probably caused by stochasticity in the ratio of homologous to non-homologous pairing initiations. We suggest that substantial chromosomal and genetic divergence between the parental species affects preliminary alignment of homologues, homology search and elimination of ectopic interhomologue interactions that are required for correct homologous pairing. Apparently, pairing failure in male and aberrant synapsis in female vole hybrids followed by meiotic silencing of unsynapsed chromatin cause apoptosis of gametocytes and sterility.
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Affiliation(s)
- Anna A. Torgasheva
- Institute of Cytology and Genetics, Russian Academy of Sciences, Siberian Department, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk, Russia
| | - Pavel M. Borodin
- Institute of Cytology and Genetics, Russian Academy of Sciences, Siberian Department, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk, Russia
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22
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Lisachov AP, Borodin PM. Microchromosome polymorphism in the sand lizard, Lacerta agilis Linnaeus, 1758 (Reptilia, Squamata). Comp Cytogenet 2016; 10:387-399. [PMID: 27830048 PMCID: PMC5088351 DOI: 10.3897/compcytogen.v10i3.7655] [Citation(s) in RCA: 4] [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] [Figures] [Subscribe] [Scholar Register] [Received: 01/14/2016] [Accepted: 07/28/2016] [Indexed: 06/06/2023]
Abstract
Most true lizards (Lacertidae) share a conservative karyotype, consisting of 18 pairs of macrochromosomes and one microchromosome pair. Homeologues of the microchromosome are present in other squamates and even in chickens. No structural autosomal microchromosome polymorphisms have been described previously in lizards. We found homozygous and heterozygous carriers of a microchromosome variant in a Siberian population of the sand lizard, Lacerta agilis Linnaeus, 1758. The variant microchromosome was almost twice as long as the standard one. In heterozygotes at pachytene, the microchromosomes firstly pair in proximal regions and the central part of the longer axial element undergoes foldback synapsis, then its distal region pairs with the distal region of the standard partner. At metaphase-I, the heteromorphic microchromosome bivalents have a proximal chiasma. The content of the additional segment was Ag-NOR, C-like DAPI, CMA3 negative. FISH with telomere PNA probe did not detect interstitial (TTAGGG)n sequences in the heteromorphic and any other bivalents. Both homo- and heterozygous carriers were phenotypically normal. The presence of homozygotes shows that heterozygotes are fertile. Reduction in the number of microchromosomes is a clear trend in squamate evolution, as a result of microchromosomes fusing together or with macrochromosomes. Our findings indicate that gaining additional DNA may lead to a transformation of microchromosomes into small macrochromosomes without fusion.
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Affiliation(s)
- Artem P. Lisachov
- Institute of Cytology and Genetics, Russian Academy of Sciences, Siberian Department, Novosibirsk 630090, Russia
| | - Pavel M. Borodin
- Institute of Cytology and Genetics, Russian Academy of Sciences, Siberian Department, Novosibirsk 630090, Russia
- Department of Cytology and Genetics, Novosibirsk State University, Novosibirsk, Russia
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23
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Affiliation(s)
- Artem P. Lisachov
- Institute of Cytology and Genetics, The Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
| | - Kira S. Zadesenets
- Institute of Cytology and Genetics, The Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
| | - Nikolay B. Rubtsov
- Institute of Cytology and Genetics, The Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
- Department of Cytology and Genetics, Novosibirsk State University, Novosibirsk, Russia
| | - Pavel M. Borodin
- Institute of Cytology and Genetics, The Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
- Department of Cytology and Genetics, Novosibirsk State University, Novosibirsk, Russia
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24
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Basheva EA, Torgasheva AA, Golenischev FN, Frisman LV, Borodin PM. Chromosome synapsis and recombination in the hybrids between chromosome races of the common vole Microtus aravalis: "arvalis" and "obscurus". Dokl Biol Sci 2014; 456:206-8. [PMID: 24985517 DOI: 10.1134/s0012496614030144] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2014] [Indexed: 11/23/2022]
Affiliation(s)
- E A Basheva
- Institute of Cytology and Genetics, Russian Academy of Sciences, Siberian Department, Novosibirsk, Russia
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25
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Polly PD, Polyakov AV, Ilyashenko VB, Onischenko SS, White TA, Shchipanov NA, Bulatova NS, Pavlova SV, Borodin PM, Searle JB. Phenotypic variation across chromosomal hybrid zones of the common shrew (Sorex araneus) indicates reduced gene flow. PLoS One 2013; 8:e67455. [PMID: 23874420 PMCID: PMC3707902 DOI: 10.1371/journal.pone.0067455] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2013] [Accepted: 05/18/2013] [Indexed: 12/02/2022] Open
Abstract
Sorex araneus, the Common shrew, is a species with more than 70 karyotypic races, many of which form parapatric hybrid zones, making it a model for studying chromosomal speciation. Hybrids between races have reduced fitness, but microsatellite markers have demonstrated considerable gene flow between them, calling into question whether the chromosomal barriers actually do contribute to genetic divergence. We studied phenotypic clines across two hybrid zones with especially complex heterozygotes. Hybrids between the Novosibirsk and Tomsk races produce chains of nine and three chromosomes at meiosis, and hybrids between the Moscow and Seliger races produce chains of eleven. Our goal was to determine whether phenotypes show evidence of reduced gene flow at hybrid zones. We used maximum likelihood to fit tanh cline models to geometric shape data and found that phenotypic clines in skulls and mandibles across these zones had similar centers and widths as chromosomal clines. The amount of phenotypic differentiation across the zones is greater than expected if it were dissipating due to unrestricted gene flow given the amount of time since contact, but it is less than expected to have accumulated from drift during allopatric separation in glacial refugia. Only if heritability is very low, Ne very high, and the time spent in allopatry very short, will the differences we observe be large enough to match the expectation of drift. Our results therefore suggest that phenotypic differentiation has been lost through gene flow since post-glacial secondary contact, but not as quickly as would be expected if there was free gene flow across the hybrid zones. The chromosomal tension zones are confirmed to be partial barriers that prevent differentiated races from becoming phenotypically homogenous.
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Affiliation(s)
- P. David Polly
- Departments of Geological Sciences and Biology, Indiana University, Bloomington, Indiana, United States of America
| | - Andrei V. Polyakov
- Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences, Novosibirsk, Russia
| | - Vadim B. Ilyashenko
- Kemerovo State University, Department of Zoology and Ecology, Kemerovo, Russia
| | | | - Thomas A. White
- Department of Ecology and Evolutionary Biology, Cornell University, Ithaca, New York, United States of America
- Computational and Molecular Population Genetics (CMPG) Lab, Institute of Ecology and Evolution, University of Bern, Bern, Switzerland
| | - Nikolay A. Shchipanov
- A.N. Severtsov Institute of Ecology and Evolution, Russian Academy of Sciences, Moscow, Russia
| | - Nina S. Bulatova
- A.N. Severtsov Institute of Ecology and Evolution, Russian Academy of Sciences, Moscow, Russia
| | - Svetlana V. Pavlova
- A.N. Severtsov Institute of Ecology and Evolution, Russian Academy of Sciences, Moscow, Russia
| | - Pavel M. Borodin
- Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences, Novosibirsk, Russia
| | - Jeremy B. Searle
- Department of Ecology and Evolutionary Biology, Cornell University, Ithaca, New York, United States of America
- Department of Biology, University of York, York, United Kingdom
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26
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Torgasheva AA, Rubtsov NB, Borodin PM. Recombination and synaptic adjustment in oocytes of mice heterozygous for a large paracentric inversion. Chromosome Res 2013; 21:37-48. [DOI: 10.1007/s10577-012-9336-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2012] [Revised: 12/26/2012] [Accepted: 12/28/2012] [Indexed: 11/28/2022]
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27
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Borodin PM, Basheva EA, Torgasheva AA, Dashkevich OA, Golenishchev FN, Kartavtseva IV, Mekada K, Dumont BL. Multiple independent evolutionary losses of XY pairing at meiosis in the grey voles. Chromosome Res 2011; 20:259-68. [PMID: 22161017 DOI: 10.1007/s10577-011-9261-0] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2011] [Revised: 11/23/2011] [Accepted: 11/23/2011] [Indexed: 11/27/2022]
Abstract
In many eutherian mammals, X-Y chromosome pairing and recombination is required for meiotic progression and correct sex chromosome disjunction. Arvicoline rodents present a notable exception to this meiotic rule, with multiple species possessing asynaptic sex chromosomes. Most asynaptic vole species belong to the genus Microtus sensu lato. However, many of the species both inside and outside the genus Microtus display normal X-Y synapsis at meiosis. These observations suggest that the synaptic condition was present in the common ancestor of all voles, but gaps in current taxonomic sampling across the arvicoline phylogeny prevent identification of the lineage(s) along which the asynaptic state arose. In this study, we use electron and immunofluorescent microscopy to assess heterogametic sex chromosome pairing in 12 additional arvicoline species. Our sample includes ten species of the tribe Microtini and two species of the tribe Lagurini. This increased breadth of sampling allowed us to identify asynaptic species in each major Microtine lineage. Evidently, the ability of the sex chromosomes to pair and recombine in male meiosis has been independently lost at least three times during the evolution of Microtine rodents. These results suggest a lack of evolutionary constraint on X-Y synapsis in Microtini, hinting at the presence of alternative molecular mechanisms for sex chromosome segregation in this large mammalian tribe.
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Affiliation(s)
- Pavel M Borodin
- Institute of Cytology and Genetics, Russian Academy of Sciences, Siberian Department, Novosibirsk 630090, Russia,
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28
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Horn A, Basset P, Yannic G, Banaszek A, Borodin PM, Bulatova NS, Jadwiszczak K, Jones RM, Polyakov AV, Ratkiewicz M, Searle JB, Shchipanov NA, Zima J, Hausser J. Chromosomal rearrangements do not seem to affect the gene flow in hybrid zones between karyotypic races of the common shrew (Sorex araneus). Evolution 2011; 66:882-889. [PMID: 22380446 DOI: 10.1111/j.1558-5646.2011.01478.x] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Chromosomal rearrangements are proposed to promote genetic differentiation between chromosomally differentiated taxa and therefore promote speciation. Due to their remarkable karyotypic polymorphism, the shrews of the Sorex araneus group were used to investigate the impact of chromosomal rearrangements on gene flow. Five intraspecific chromosomal hybrid zones characterized by different levels of karyotypic complexity were studied using 16 microsatellites markers. We observed low levels of genetic differentiation even in the hybrid zones with the highest karyotypic complexity. No evidence of restricted gene flow between differently rearranged chromosomes was observed. Contrary to what was observed at the interspecific level, the effect of chromosomal rearrangements on gene flow was undetectable within the S. araneus species.
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Affiliation(s)
- Agnès Horn
- Department of Ecology and Evolution, Biophore Building, University of Lausanne, CH-1015 Lausanne, Switzerland E-mail: de Médecine Préventive Hospitalière, Centre Hospitalier Universitaire Vaudois, 1011 Lausanne, SwitzerlandDépartement de biologie and Centre d'études Nordiques, Université Laval, 1045 avenue de la Médecine, Québec (QC), G1V 0A6, CanadaInstitute of Biology, Department of Biology and Chemistry, University of Białystok, Białystok, PolandInstitute of Cytology and Genetics, Russian Academy of Sciences, Siberian Department, Novosibirsk 630090, RussiaDepartment of Cytology and Genetics, Novosibirsk State University, Novosibirsk 630090, RussiaSevertsov Institute of Ecology and Evolution, Russian Academy of Sciences, Moscow, 117071, RussiaDepartment of Biology, University of York, YO10 5YW, United KingdomDepartment of Ecology and Evolutionary Biology, Cornell University, Corson Hall, Ithaca, NY 14853-2701Institute of Vertebrate Biology, Academy of Sciences of the Czech Republic, Květná 8, CZ-603 65 Brno, Czech Republic
| | - Patrick Basset
- Department of Ecology and Evolution, Biophore Building, University of Lausanne, CH-1015 Lausanne, Switzerland E-mail: de Médecine Préventive Hospitalière, Centre Hospitalier Universitaire Vaudois, 1011 Lausanne, SwitzerlandDépartement de biologie and Centre d'études Nordiques, Université Laval, 1045 avenue de la Médecine, Québec (QC), G1V 0A6, CanadaInstitute of Biology, Department of Biology and Chemistry, University of Białystok, Białystok, PolandInstitute of Cytology and Genetics, Russian Academy of Sciences, Siberian Department, Novosibirsk 630090, RussiaDepartment of Cytology and Genetics, Novosibirsk State University, Novosibirsk 630090, RussiaSevertsov Institute of Ecology and Evolution, Russian Academy of Sciences, Moscow, 117071, RussiaDepartment of Biology, University of York, YO10 5YW, United KingdomDepartment of Ecology and Evolutionary Biology, Cornell University, Corson Hall, Ithaca, NY 14853-2701Institute of Vertebrate Biology, Academy of Sciences of the Czech Republic, Květná 8, CZ-603 65 Brno, Czech Republic
| | - Glenn Yannic
- Department of Ecology and Evolution, Biophore Building, University of Lausanne, CH-1015 Lausanne, Switzerland E-mail: de Médecine Préventive Hospitalière, Centre Hospitalier Universitaire Vaudois, 1011 Lausanne, SwitzerlandDépartement de biologie and Centre d'études Nordiques, Université Laval, 1045 avenue de la Médecine, Québec (QC), G1V 0A6, CanadaInstitute of Biology, Department of Biology and Chemistry, University of Białystok, Białystok, PolandInstitute of Cytology and Genetics, Russian Academy of Sciences, Siberian Department, Novosibirsk 630090, RussiaDepartment of Cytology and Genetics, Novosibirsk State University, Novosibirsk 630090, RussiaSevertsov Institute of Ecology and Evolution, Russian Academy of Sciences, Moscow, 117071, RussiaDepartment of Biology, University of York, YO10 5YW, United KingdomDepartment of Ecology and Evolutionary Biology, Cornell University, Corson Hall, Ithaca, NY 14853-2701Institute of Vertebrate Biology, Academy of Sciences of the Czech Republic, Květná 8, CZ-603 65 Brno, Czech Republic
| | - Agata Banaszek
- Department of Ecology and Evolution, Biophore Building, University of Lausanne, CH-1015 Lausanne, Switzerland E-mail: de Médecine Préventive Hospitalière, Centre Hospitalier Universitaire Vaudois, 1011 Lausanne, SwitzerlandDépartement de biologie and Centre d'études Nordiques, Université Laval, 1045 avenue de la Médecine, Québec (QC), G1V 0A6, CanadaInstitute of Biology, Department of Biology and Chemistry, University of Białystok, Białystok, PolandInstitute of Cytology and Genetics, Russian Academy of Sciences, Siberian Department, Novosibirsk 630090, RussiaDepartment of Cytology and Genetics, Novosibirsk State University, Novosibirsk 630090, RussiaSevertsov Institute of Ecology and Evolution, Russian Academy of Sciences, Moscow, 117071, RussiaDepartment of Biology, University of York, YO10 5YW, United KingdomDepartment of Ecology and Evolutionary Biology, Cornell University, Corson Hall, Ithaca, NY 14853-2701Institute of Vertebrate Biology, Academy of Sciences of the Czech Republic, Květná 8, CZ-603 65 Brno, Czech Republic
| | - Pavel M Borodin
- Department of Ecology and Evolution, Biophore Building, University of Lausanne, CH-1015 Lausanne, Switzerland E-mail: de Médecine Préventive Hospitalière, Centre Hospitalier Universitaire Vaudois, 1011 Lausanne, SwitzerlandDépartement de biologie and Centre d'études Nordiques, Université Laval, 1045 avenue de la Médecine, Québec (QC), G1V 0A6, CanadaInstitute of Biology, Department of Biology and Chemistry, University of Białystok, Białystok, PolandInstitute of Cytology and Genetics, Russian Academy of Sciences, Siberian Department, Novosibirsk 630090, RussiaDepartment of Cytology and Genetics, Novosibirsk State University, Novosibirsk 630090, RussiaSevertsov Institute of Ecology and Evolution, Russian Academy of Sciences, Moscow, 117071, RussiaDepartment of Biology, University of York, YO10 5YW, United KingdomDepartment of Ecology and Evolutionary Biology, Cornell University, Corson Hall, Ithaca, NY 14853-2701Institute of Vertebrate Biology, Academy of Sciences of the Czech Republic, Květná 8, CZ-603 65 Brno, Czech Republic
| | - Nina S Bulatova
- Department of Ecology and Evolution, Biophore Building, University of Lausanne, CH-1015 Lausanne, Switzerland E-mail: de Médecine Préventive Hospitalière, Centre Hospitalier Universitaire Vaudois, 1011 Lausanne, SwitzerlandDépartement de biologie and Centre d'études Nordiques, Université Laval, 1045 avenue de la Médecine, Québec (QC), G1V 0A6, CanadaInstitute of Biology, Department of Biology and Chemistry, University of Białystok, Białystok, PolandInstitute of Cytology and Genetics, Russian Academy of Sciences, Siberian Department, Novosibirsk 630090, RussiaDepartment of Cytology and Genetics, Novosibirsk State University, Novosibirsk 630090, RussiaSevertsov Institute of Ecology and Evolution, Russian Academy of Sciences, Moscow, 117071, RussiaDepartment of Biology, University of York, YO10 5YW, United KingdomDepartment of Ecology and Evolutionary Biology, Cornell University, Corson Hall, Ithaca, NY 14853-2701Institute of Vertebrate Biology, Academy of Sciences of the Czech Republic, Květná 8, CZ-603 65 Brno, Czech Republic
| | - Katarzyna Jadwiszczak
- Department of Ecology and Evolution, Biophore Building, University of Lausanne, CH-1015 Lausanne, Switzerland E-mail: de Médecine Préventive Hospitalière, Centre Hospitalier Universitaire Vaudois, 1011 Lausanne, SwitzerlandDépartement de biologie and Centre d'études Nordiques, Université Laval, 1045 avenue de la Médecine, Québec (QC), G1V 0A6, CanadaInstitute of Biology, Department of Biology and Chemistry, University of Białystok, Białystok, PolandInstitute of Cytology and Genetics, Russian Academy of Sciences, Siberian Department, Novosibirsk 630090, RussiaDepartment of Cytology and Genetics, Novosibirsk State University, Novosibirsk 630090, RussiaSevertsov Institute of Ecology and Evolution, Russian Academy of Sciences, Moscow, 117071, RussiaDepartment of Biology, University of York, YO10 5YW, United KingdomDepartment of Ecology and Evolutionary Biology, Cornell University, Corson Hall, Ithaca, NY 14853-2701Institute of Vertebrate Biology, Academy of Sciences of the Czech Republic, Květná 8, CZ-603 65 Brno, Czech Republic
| | - Ross M Jones
- Department of Ecology and Evolution, Biophore Building, University of Lausanne, CH-1015 Lausanne, Switzerland E-mail: de Médecine Préventive Hospitalière, Centre Hospitalier Universitaire Vaudois, 1011 Lausanne, SwitzerlandDépartement de biologie and Centre d'études Nordiques, Université Laval, 1045 avenue de la Médecine, Québec (QC), G1V 0A6, CanadaInstitute of Biology, Department of Biology and Chemistry, University of Białystok, Białystok, PolandInstitute of Cytology and Genetics, Russian Academy of Sciences, Siberian Department, Novosibirsk 630090, RussiaDepartment of Cytology and Genetics, Novosibirsk State University, Novosibirsk 630090, RussiaSevertsov Institute of Ecology and Evolution, Russian Academy of Sciences, Moscow, 117071, RussiaDepartment of Biology, University of York, YO10 5YW, United KingdomDepartment of Ecology and Evolutionary Biology, Cornell University, Corson Hall, Ithaca, NY 14853-2701Institute of Vertebrate Biology, Academy of Sciences of the Czech Republic, Květná 8, CZ-603 65 Brno, Czech Republic
| | - Andrei V Polyakov
- Department of Ecology and Evolution, Biophore Building, University of Lausanne, CH-1015 Lausanne, Switzerland E-mail: de Médecine Préventive Hospitalière, Centre Hospitalier Universitaire Vaudois, 1011 Lausanne, SwitzerlandDépartement de biologie and Centre d'études Nordiques, Université Laval, 1045 avenue de la Médecine, Québec (QC), G1V 0A6, CanadaInstitute of Biology, Department of Biology and Chemistry, University of Białystok, Białystok, PolandInstitute of Cytology and Genetics, Russian Academy of Sciences, Siberian Department, Novosibirsk 630090, RussiaDepartment of Cytology and Genetics, Novosibirsk State University, Novosibirsk 630090, RussiaSevertsov Institute of Ecology and Evolution, Russian Academy of Sciences, Moscow, 117071, RussiaDepartment of Biology, University of York, YO10 5YW, United KingdomDepartment of Ecology and Evolutionary Biology, Cornell University, Corson Hall, Ithaca, NY 14853-2701Institute of Vertebrate Biology, Academy of Sciences of the Czech Republic, Květná 8, CZ-603 65 Brno, Czech Republic
| | - Miroslaw Ratkiewicz
- Department of Ecology and Evolution, Biophore Building, University of Lausanne, CH-1015 Lausanne, Switzerland E-mail: de Médecine Préventive Hospitalière, Centre Hospitalier Universitaire Vaudois, 1011 Lausanne, SwitzerlandDépartement de biologie and Centre d'études Nordiques, Université Laval, 1045 avenue de la Médecine, Québec (QC), G1V 0A6, CanadaInstitute of Biology, Department of Biology and Chemistry, University of Białystok, Białystok, PolandInstitute of Cytology and Genetics, Russian Academy of Sciences, Siberian Department, Novosibirsk 630090, RussiaDepartment of Cytology and Genetics, Novosibirsk State University, Novosibirsk 630090, RussiaSevertsov Institute of Ecology and Evolution, Russian Academy of Sciences, Moscow, 117071, RussiaDepartment of Biology, University of York, YO10 5YW, United KingdomDepartment of Ecology and Evolutionary Biology, Cornell University, Corson Hall, Ithaca, NY 14853-2701Institute of Vertebrate Biology, Academy of Sciences of the Czech Republic, Květná 8, CZ-603 65 Brno, Czech Republic
| | - Jeremy B Searle
- Department of Ecology and Evolution, Biophore Building, University of Lausanne, CH-1015 Lausanne, Switzerland E-mail: de Médecine Préventive Hospitalière, Centre Hospitalier Universitaire Vaudois, 1011 Lausanne, SwitzerlandDépartement de biologie and Centre d'études Nordiques, Université Laval, 1045 avenue de la Médecine, Québec (QC), G1V 0A6, CanadaInstitute of Biology, Department of Biology and Chemistry, University of Białystok, Białystok, PolandInstitute of Cytology and Genetics, Russian Academy of Sciences, Siberian Department, Novosibirsk 630090, RussiaDepartment of Cytology and Genetics, Novosibirsk State University, Novosibirsk 630090, RussiaSevertsov Institute of Ecology and Evolution, Russian Academy of Sciences, Moscow, 117071, RussiaDepartment of Biology, University of York, YO10 5YW, United KingdomDepartment of Ecology and Evolutionary Biology, Cornell University, Corson Hall, Ithaca, NY 14853-2701Institute of Vertebrate Biology, Academy of Sciences of the Czech Republic, Květná 8, CZ-603 65 Brno, Czech Republic
| | - Nikolai A Shchipanov
- Department of Ecology and Evolution, Biophore Building, University of Lausanne, CH-1015 Lausanne, Switzerland E-mail: de Médecine Préventive Hospitalière, Centre Hospitalier Universitaire Vaudois, 1011 Lausanne, SwitzerlandDépartement de biologie and Centre d'études Nordiques, Université Laval, 1045 avenue de la Médecine, Québec (QC), G1V 0A6, CanadaInstitute of Biology, Department of Biology and Chemistry, University of Białystok, Białystok, PolandInstitute of Cytology and Genetics, Russian Academy of Sciences, Siberian Department, Novosibirsk 630090, RussiaDepartment of Cytology and Genetics, Novosibirsk State University, Novosibirsk 630090, RussiaSevertsov Institute of Ecology and Evolution, Russian Academy of Sciences, Moscow, 117071, RussiaDepartment of Biology, University of York, YO10 5YW, United KingdomDepartment of Ecology and Evolutionary Biology, Cornell University, Corson Hall, Ithaca, NY 14853-2701Institute of Vertebrate Biology, Academy of Sciences of the Czech Republic, Květná 8, CZ-603 65 Brno, Czech Republic
| | - Jan Zima
- Department of Ecology and Evolution, Biophore Building, University of Lausanne, CH-1015 Lausanne, Switzerland E-mail: de Médecine Préventive Hospitalière, Centre Hospitalier Universitaire Vaudois, 1011 Lausanne, SwitzerlandDépartement de biologie and Centre d'études Nordiques, Université Laval, 1045 avenue de la Médecine, Québec (QC), G1V 0A6, CanadaInstitute of Biology, Department of Biology and Chemistry, University of Białystok, Białystok, PolandInstitute of Cytology and Genetics, Russian Academy of Sciences, Siberian Department, Novosibirsk 630090, RussiaDepartment of Cytology and Genetics, Novosibirsk State University, Novosibirsk 630090, RussiaSevertsov Institute of Ecology and Evolution, Russian Academy of Sciences, Moscow, 117071, RussiaDepartment of Biology, University of York, YO10 5YW, United KingdomDepartment of Ecology and Evolutionary Biology, Cornell University, Corson Hall, Ithaca, NY 14853-2701Institute of Vertebrate Biology, Academy of Sciences of the Czech Republic, Květná 8, CZ-603 65 Brno, Czech Republic
| | - Jacques Hausser
- Department of Ecology and Evolution, Biophore Building, University of Lausanne, CH-1015 Lausanne, Switzerland E-mail: de Médecine Préventive Hospitalière, Centre Hospitalier Universitaire Vaudois, 1011 Lausanne, SwitzerlandDépartement de biologie and Centre d'études Nordiques, Université Laval, 1045 avenue de la Médecine, Québec (QC), G1V 0A6, CanadaInstitute of Biology, Department of Biology and Chemistry, University of Białystok, Białystok, PolandInstitute of Cytology and Genetics, Russian Academy of Sciences, Siberian Department, Novosibirsk 630090, RussiaDepartment of Cytology and Genetics, Novosibirsk State University, Novosibirsk 630090, RussiaSevertsov Institute of Ecology and Evolution, Russian Academy of Sciences, Moscow, 117071, RussiaDepartment of Biology, University of York, YO10 5YW, United KingdomDepartment of Ecology and Evolutionary Biology, Cornell University, Corson Hall, Ithaca, NY 14853-2701Institute of Vertebrate Biology, Academy of Sciences of the Czech Republic, Květná 8, CZ-603 65 Brno, Czech Republic
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Polyakov AV, White TA, Jones RM, Borodin PM, Searle JB. Natural hybridization between extremely divergent chromosomal races of the common shrew (Sorex araneus, Soricidae, Soricomorpha): hybrid zone in Siberia. J Evol Biol 2011; 24:1393-402. [PMID: 21507114 DOI: 10.1111/j.1420-9101.2011.02266.x] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Chromosomal races of the common shrew differ in sets of metacentric chromosomes and on contact may produce hybrids with extraordinarily complex configurations at meiosis I that are associated with reduced fertility. There is an expectation that these may be some of the most extreme tension zones available for study and therefore are of interest as potential sites for reproductive isolation. Here, we analyse one of these zones, between the Novosibirsk race (characterized by metacentrics go, hn, ik, jl, mp and qr) and the Tomsk race (metacentrics gk, hi, jl and mn and acrocentrics o, p, q and r), which form hybrids with a chain-of-nine (CIX) and a chain-of-three (CIII) configuration at meiosis I. At the Novosibirsk-Tomsk hybrid zone, the CIX chromosomes form clines of 8.53 km standardized width on average, whereas the cline for the CIII chromosomes was 52.83 km wide. The difference in these cline widths fits with the difference in meiotic errors expected with the CIX and CIII configuration, and we produce estimates of selection against hybrids with these types of configurations, which we relate to dispersal and age of the hybrid zone. The hybrid zone is located at the isocline at 200 m altitude above sea level; this relationship between the races and altitude is suggested at both coarse and fine scales. This indicates adaptive differences between the races that may in turn have been promoted by the chromosome differences. Thus, the extreme chromosomal divergence between the Novosibirsk and Tomsk may be associated with genic differentiation, but it is still striking that, despite the large chromosomal differences, reproductive isolation between the Novosibirsk and Tomsk races has not occurred.
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Affiliation(s)
- A V Polyakov
- Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences, Novosibirsk, Russia
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30
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Borodin PM, Basheva EA, Dashkevich OA, Golenishchev FN, Kartavtseva IV. X-Y chromosome synapsis and recombination in 3 vole species of Asian lineage of the genus Microtus (Rodentia: Arvicolinae). Cytogenet Genome Res 2010; 132:129-33. [PMID: 21042015 DOI: 10.1159/000320703] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/14/2010] [Indexed: 11/19/2022] Open
Abstract
The pattern of X-Y chromosome pairing in male meiosis is an important taxonomic feature of grey voles of the genus Microtus. Asynaptic sex chromosomes have been found in the majority of species of the Palearctic phylogenetic lineage of this genus, while normal X-Y synapsis has been observed in the species of subgenus Pallasiinus belonging to the Asian phylogenetic lineage. We analyzed sex chromosome pairing and recombination in M. maximowiczii, M. mujanensis and M. fortis which also belong to the Asian phylogenetic lineage (subgenus Alexandromys). Using immunostaining for the proteins of the synaptonemal complex (SCP3) and recombination nodules (MLH1) we demonstrated that X and Y chromosomes of these species paired and recombined in a short subtelomeric region. This indicates that the sex chromosomes of these species retain an ancestral fully functional pseudoautosomal region, which has been lost or rearranged in the asynaptic species of the genus Microtus.
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Affiliation(s)
- P M Borodin
- Institute of Cytology and Genetics, Russian Academy of Sciences, Siberian Department, Novosibirsk State University, Novosibirsk, Russia.
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31
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Basheva EA, Torgasheva AA, Sakaeva GR, Bidau C, Borodin PM. A- and B-chromosome pairing and recombination in male meiosis of the silver fox (Vulpes vulpes L., 1758, Carnivora, Canidae). Chromosome Res 2010; 18:689-96. [PMID: 20697834 DOI: 10.1007/s10577-010-9149-4] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2010] [Revised: 07/22/2010] [Accepted: 07/26/2010] [Indexed: 11/26/2022]
Abstract
We examined A- and B-chromosome pairing and recombination in 12 males from the farm-bred population of the silver fox (2n = 34 + 0-10 Bs) by means of electron and immunofluorescent microscopy. To detect recombination at A and B chromosomes, we used immunolocalisation of MLH1, a mismatch repair protein of mature recombination nodules, at synaptonemal complexes. The mean total number of MLH1 foci at A-autosomes was 29.6 foci per cell. The XY bivalent had one MLH1 focus at the pairing region. Total recombination length of the male fox genome map was estimated as 1,530 centimorgans. We detected single MLH1 foci at 61% of linear synaptic configurations involving B chromosomes. The distribution of the foci along B- and A-bivalents was the same. This may be considered as a first molecular evidence that meiotic recombination does occur in mammalian B chromosomes. There was no correlation between the number of synaptic configurations involving B chromosomes per cell and the recombination rate of the A-genome.
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Affiliation(s)
- Ekaterina A Basheva
- Institute of Cytology and Genetics, Siberian Department, Russian Academy of Sciences, Novosibirsk, 630090, Russia
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32
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Belonogova NM, Borodin PM. Frequency of meiotic recombination in G and R chromosome bands of the common shrew (Sorex araneus). Dokl Biol Sci 2010; 433:268-270. [PMID: 20711874 DOI: 10.1134/s0012496610040095] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2009] [Accepted: 04/08/2010] [Indexed: 05/29/2023]
Affiliation(s)
- N M Belonogova
- Department of Cytology and Genetics, Novosibirsk State University, Novosibirsk, Russia.
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33
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Torgasheva AA, Zhelezova AI, Rubtsov NB, Borodin PM. Effects of sex and gene order on the recombination frequency and distribution in the chromosome 1 of the house mouse. Dokl Biol Sci 2009; 429:559-561. [PMID: 20170073 DOI: 10.1134/s0012496609060222] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Affiliation(s)
- A A Torgasheva
- Institute of Cytology and Genetics, Siberian Branch, Russian Academy of Sciences
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34
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Aulchenko YS, Struchalin MV, Belonogova NM, Axenovich TI, Weedon MN, Hofman A, Uitterlinden AG, Kayser M, Oostra BA, van Duijn CM, Janssens ACJW, Borodin PM. Predicting human height by Victorian and genomic methods. Eur J Hum Genet 2009; 17:1070-5. [PMID: 19223933 DOI: 10.1038/ejhg.2009.5] [Citation(s) in RCA: 81] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
In the Victorian era, Sir Francis Galton showed that 'when dealing with the transmission of stature from parents to children, the average height of the two parents, ... is all we need care to know about them' (1886). One hundred and twenty-two years after Galton's work was published, 54 loci showing strong statistical evidence for association to human height were described, providing us with potential genomic means of human height prediction. In a population-based study of 5748 people, we find that a 54-loci genomic profile explained 4-6% of the sex- and age-adjusted height variance, and had limited ability to discriminate tall/short people, as characterized by the area under the receiver-operating characteristic curve (AUC). In a family-based study of 550 people, with both parents having height measurements, we find that the Galtonian mid-parental prediction method explained 40% of the sex- and age-adjusted height variance, and showed high discriminative accuracy. We have also explored how much variance a genomic profile should explain to reach certain AUC values. For highly heritable traits such as height, we conclude that in applications in which parental phenotypic information is available (eg, medicine), the Victorian Galton's method will long stay unsurpassed, in terms of both discriminative accuracy and costs. For less heritable traits, and in situations in which parental information is not available (eg, forensics), genomic methods may provide an alternative, given that the variants determining an essential proportion of the trait's variation can be identified.
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Affiliation(s)
- Yurii S Aulchenko
- Department of Epidemiology and Biostatistics and Clinical Genetics, Erasmus MC, Rotterdam, The Netherlands.
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Zhdanova NS, Rogozina II, Minina IM, Borodin PM, Rubtsov NB. [Telomeric DNA allocation in chromosomes of common shrew Sorex araneus, Eulipotyphla]. Tsitologiia 2009; 51:577-584. [PMID: 19764649] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Recently we have displayed shrew species, Iberian shrew S. granarius, with telomeres of unusual for mammals structure, including long telomeres on the short acrocentrics arms containing 213 kb on average and short telomeres (3.8 kb) on the other chromosomal ends (Zhdanova et al., 2005, 2007). However, it is not clear if such telomeres are characteristic of all shrew species or only of S. granarius. S. granarius and common shrew Sorex araneus are the sibling species. In this investigation by using modified Q-FISH, we demonstrated that telomeres in S. araneus from different chromosomal races differing in the numbers of metacentrics contain 6.8-15.2 kb of telomeric tracts. Thus, the S. araneus telomere lengths appeared to correspond with telomere lengths both in shrews and majority wild mammalian species, and S. granarius has telomeres with unique or scarce structure. Furthermore, using DNA and RNA modified with probe high specificity to telomeric repeats (PNA and LNA) we showed that interstitial telomeric sites in S. araneus chromosomes contained mainly telomeric DNA and their localization coincided with some evolutionary breakpoints. Interstitial telomeric DNA in S. granarius chromosomes was not revealed. Thus, distribution of telomeric DNA can greatly differ even in closely related species whose chromosomes are composed from almost identical chromosomal arms.
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36
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Borodin PM, Karamysheva TV, Rubtsov NB. [Immunofluorescent analysis of meiotic recombination and interference in the domestic cat]. Tsitologiia 2008; 50:62-66. [PMID: 18409370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
The aim of this work was an analysis of frequency, density and distribution of recombination sites in male meiosis of the domestic cat. The study was carried out using immunofluorescent staining of synaptonemal complex (SC) proteins, centromeric proteins and mismatch repair protein MLH1, a reliable marker of the sites of crossing over. We mapped 2633 sites of crossing over at 1098 individual autosomes. On the basis of these data the total length of the domestic cat genetic map was estimated as 2176 centimorgans. We found a typical for all mammals studied positive correlation between the length of SC and the number of recombination sites. The domestic cat demonstrated the highest among mammals density of recombination and the lowest interference.
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Trut LN, Markel' AL, Borodin PM, Argutinskaia SV, Zakharov IK, Shumnyĭ VK. [On the 90th birthday of Dmitriĭ Konstantinovich Beliaev (1917-1985)]. Genetika 2007; 43:869-872. [PMID: 17955628] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
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38
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Axenovich TI, Zorkoltseva IV, Akberdin IR, Beketov SV, Kashtanov SN, Zakharov IA, Borodin PM. Inheritance of litter size at birth in farmed arctic foxes (Alopex lagopus, Canidae, Carnivora). Heredity (Edinb) 2006; 98:99-105. [PMID: 17006530 DOI: 10.1038/sj.hdy.6800908] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
Abstract
Natural populations of the arctic fox (Alopex lagopus, Canidae, Carnivora) differ drastically in their reproductive strategy. Coastal foxes, which depend on stable food resources, produce litters of moderate size. Inland foxes feed on small rodents, whose populations are characterized by cycling fluctuation. In the years with low food supply, inland fox populations have a very low rate of reproduction. In the years with high food supply, they undergo a population explosion. To gain insight into the genetic basis of the reproductive strategy of this species, we performed complex segregation analysis of the litter size in the extended pedigree of the farmed arctic foxes involving 20,665 interrelated animals. Complex segregation analysis was performed using a mixed model assuming that the trait was under control of a major gene and a large number of additive genetic and random factors. To check the significance of any major gene effect, we used Elston-Stewart transmission probability test. Our analysis demonstrated that the inheritance of this trait can be described within the frameworks of a major gene model with recessive control of low litter size. This model was also supported by the pattern of its familial segregation and by comparison of the distributions observed in the population and that expected under our model. We suggest that a system of balanced polymorphism for litter size in the farmed population might have been established in natural populations of arctic foxes as a result of adaptation to the drastic fluctuations in prey availability.
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Affiliation(s)
- T I Axenovich
- Department of Genetic Recombination and Segregation, Institute of Cytology and Genetics, Siberian Department of Russian Academy of Science, Novosibirsk, Russia.
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39
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Belonogova NM, Karamysheva TV, Biltueva LS, Perepelov EA, Minina JM, Polyakov AV, Zhdanova NS, Rubtsov NB, Searle JB, Borodin PM. Identification of all pachytene bivalents in the common shrew using DAPI-staining of synaptonemal complex spreads. Chromosome Res 2006; 14:673-9. [PMID: 16964574 DOI: 10.1007/s10577-006-1079-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2006] [Revised: 06/21/2006] [Accepted: 06/21/2006] [Indexed: 10/24/2022]
Abstract
A major problem in studies of synaptonemal complexes (SC) is the difficulty in distinguishing individual chromosomes. This problem can be solved combining SC immunostaining with FISH of chromosome-specific sequences. However, this procedure is expensive, time-consuming and applicable only to a very limited number of species. In this paper we show how a combination of SC immunostaining and DAPI staining can allow identification of all chromosome arms in surface-spreads of the SC of the common shrew (Sorex araneus L.). Enhancement of brightness and contrast of the images with photo editing software allowed us to reveal clear DAPI-positive and negative bands with relative sizes and positions similar to DAPI landmarks on mitotic metaphase chromosomes. Using FISH with DNA probes prepared from chromosome arms m and n we demonstrated correct recognition of the chromosomes mp and hn on the basis of their DAPI pattern. We show that the approach we describe here may be applied to other species and can provide an important tool for identification of individual bivalents in pachytene surface-spreads.
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Affiliation(s)
- N M Belonogova
- Institute of Cytology and Genetics, Siberian Department of the Russian Academy of Sciences, Novosibirsk 630090, Russia
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Zorkaltseva IV, Akberdin IR, Kulikova AV, Kniazev SP, Borodin PM, Aksenovich TI. [Changes in litter size in Kerry blue terrier dogs with abnormal dentition]. Genetika 2006; 42:427-9. [PMID: 16649671] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Abstract
The pleiotropic effects of mutations resulting in abnormal dentition were analyzed in Kerry Blue Terrier. A decrease in litter size was demonstrated for dogs with dentition anomalies. The mean litter size was 5.72 puppies when both parents had normal dentition and 3.64 puppies when the parents had hypodontia. Analysis showed that the decrease in litter size cannot be fully explained by the effect of inbreeding and is most probably associated with the pleiotropic effect of the genes controlling teeth development on the embryonic viability.
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Aksenovich TI, Kulikova AV, Kniazev SP, Zorkal'tseva IV, Borodin PM. [Polymorphism of dental formula and segregation of its variants in a pedigree of kerry blue terrier dogs]. Genetika 2006; 42:414-20. [PMID: 16649669] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Abstract
Polymorphism of the dental formula was analyzed in a sophisticated pedigree of Kerry Blue Terrier. A lack of one or more lower premolars was observed in some dogs. Two different patterns of missing teeth were identified. One pattern consisted in agenesis of a second premolar, often in combination with agenesis of neighbor teeth, including the fourth premolar. In the second pattern, agenesis of a fourth premolar was expressed as an isolated abnormality. It was shown previously that the first pattern is inherited as a recessive trait with near complete penetrance. In this work, the control of a major-gene was demonstrated for the second pattern. This abnormality develops in 70-80% of mutant homozygotes and in no more than 20% of heterozygotes and wild-type homozygotes. It was shown that the two dentition abnormalities are controlled by different genes, which were designated LPA2 and LPA4 (Lower Premolar Agenesis).
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Borodin PM, Barreiros-Gomez SC, Zhelezova AI, Bonvicino CR, D'Andrea PS. Reproductive isolation due to the genetic incompatibilities between Thrichomys pachyurus and two subspecies of Thrichomys apereoides (Rodentia, Echimyidae). Genome 2006; 49:159-67. [PMID: 16498466 DOI: 10.1139/g05-096] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
We tested intrinsic reproductive isolation between 3 taxa of the South American caviomorph rodent Thrichomys (Rodentia, Echimyidae): T. pachyurus, T. apereoides subsp. apereoides and T. apereoides subsp. laurentius. They were mated in captivity and produced viable progeny. Some F1 hybrid females were fertile, whereas all F1 males were sterile. Histological examination revealed meiotic arrest at the primary spermatocyte stage. No sperm was detected in testes or epididymes. Electron microscopic analysis of surface spread synaptonemal complexes revealed a complete failure of chromosome pairing in F1 hybrids of T. pachyurus with T. apereoides subsp. laurentius and T. apereoides subsp. apereoides. In the male hybrids between T. apereoides subsp. apereoides and T. apereoides subsp. laurentius, meiosis did not proceed beyond diplotene, although all of the chromosomes, including heteromorphic ones, paired in an orderly fashion. Backcross males with homomorphic karyotypes showed segregation in meiosis progression. This indicates that male hybrid sterility is due to genetic, but not chromosomal, incompatibility of the parental taxa.Key words: hybrid sterility, speciation, chromosome rearrangements, meiosis, spermatogenesis, synaptonemal complex, Thrichomys.
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Affiliation(s)
- P M Borodin
- Department of Tropical Medicine of Oswaldo Cruz Institute, Rio de Janeiro, Brazil.
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Borodin PM, Ladygina TI, Rodionova MI, Zhelezova AI, Zykovich AS, Aksenovich TI. [Genetic control of chromosome synapsis in mice heterozygous for a paracentric inversion]. Genetika 2005; 41:746-52. [PMID: 16080598] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
Frequencies of formation of inversion loops and their relative sizes were studied in laboratory mice heterozygous at paracentric inversion In1(1)Rk in chromosome 1, depending on the genetic background. Homozygotes In1/In1 were crossed with mice from five inbred strains (A/HeJ, BALB/cJ, C3H/HeJ, C57BL/6J, DBA2/J). The frequency of formation of inversion loops, their relative sizes, and the dependence of these parameters on the stage of pachitene were analyzed on electron-microscopic slides of spread spermatocytes in first-generation hybrids. It was shown that the genetic background and cross direction statistically significantly influenced the duration of individual pachitene stages and the frequency of inversion loops, but not relative loop size. Using a database on SNP distribution in the inbred strains examined, we carried out in silico mapping of genes affecting the genotype-dependent characters. We have found that the efficiency of synapsis in the inversion does not depend on interstrain differences in homology of the chromosome 1 region involved in the inversion. Genes controlling the inversion loop frequency in the inversion heterozygotes were mapped to chromosome 7, and genes controlling the duration of individual pachitene stages, to chromosomes 2 and 5.
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Abstract
Pairing of X and Y chromosomes at meiotic prophase in 14 species of the subfamily Microtinae (Clethrionomys rufocanus, C. rutilus, C. glareolus, Arvicola terrestris, Microtus guentheri, M. socialis, M. afghanus, M. bucharicus, M. oeconomus, M. arvalis, M. rossiaemeridionalis, M. kirgisorum, M. transcaspicus, M. (Pitymys) majori) was analysed in relation to their taxonomic position and variation in the morphology of their sex chromosomes. The sex chromosomes formed a synaptonemal complex (SC) at pachytene in all Clethrionomys species, Arvicola terrestris, and M. oeconomus, while they did not pair at all in M. (Pitymys) majori, Microtus socialis, M. guentheri, M. afghanus, M. bucharicus, M. arvalis, M. rossiaemeridionalis, M. kirgisorum, and M. transcaspicus. The X chromosome of these species varied in centromere position independently of pairing pattern. Insertion of heterochromatin of different size and location was found in some, but not in all species with asynaptic sex chromosomes. It is suggested that the sex chromosomes lost their ability to pair at male meiosis in the common ancestor of palearctic species of the genus Microtus. This event was not caused by a gross chromosomal rearrangement.
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Affiliation(s)
- P M Borodin
- Institute of Cytology and Genetics, Novosibirsk, Russia
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Polyakov AV, Volobouev VT, Borodin PM, Searle JB. Karyotypic Races of the Common Shrew (Sorex Araneus) with Exceptionally Large Ranges: The Novosibirsk and Tomsk Races of Siberia. Hereditas 2004. [DOI: 10.1111/j.1601-5223.1996.00109.x] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
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Axenovich TI, D'Andrea PS, Fernandes F, Bonvicino CR, Zorkoltseva IV, Borodin PM. Inheritance of White Head Spotting in Natural Populations of South American Water Rat (Nectomys squamipes Rodentia: Sigmodontinae). J Hered 2004; 95:76-80. [PMID: 14757733 DOI: 10.1093/jhered/esh002] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Specimens with white head spots are present at low frequency in the natural populations of South American water rat (Nectomys squamipes) and absent in the sibling species Nectomys rattus. We analyzed the pattern of inheritance of the phenotype using complex segregation analysis of pedigrees of a captive-bred population of N. squamipes. We found that the inheritance of the white head spot in this species can be described within the framework of the major gene recessive model with incomplete penetrance of genotypes.
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Affiliation(s)
- T I Axenovich
- Institute of Cytology and Genetics, Russian Academy of Science, Novosibirsk 630090, Russia
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Karamysheva TV, Andreenkova OV, Bochkaerev MN, Borissov YM, Bogdanchikova N, Borodin PM, Rubtsov NB. B chromosomes of Korean field mouse Apodemus peninsulae (Rodentia, Murinae) analysed by microdissection and FISH. Cytogenet Genome Res 2003; 96:154-60. [PMID: 12438792 DOI: 10.1159/000063027] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
Organization of B chromosomes in the Korean field mouse Apodemus peninsulae was analyzed. We painted its metaphase chromosomes with whole and partial chromosome paints generated by microdissection and DOP-PCR. The results of the painting indicated that all B chromosomes contained a large amount of repeated DNA sequences. The repeats could be classified in terms of their homology and predominant location. Pericentromeric repeats of B chromosomes were present in many copies in pericentromeric C-blocks of all autosomes and in non-centromeric C-blocks of the sex chromosomes. B arm specific type 1 repeats comprised the main body of the arms of almost all B chromosomes and were present in the arms of A chromosomes as interspersed sequences. B arm-specific type 2 repeats were found at the ends of some B chromosomes that did not undergo compaction at the interphase- metaphase transition and remained uncondensed. On the basis of comparative analysis of localization of B chromosome repeats in the chromosomes of two related species, A. peninsulae and A. agrarius, we suggest a hypothesis of B chromosome origin and evolution in the genus Apodemus.
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Affiliation(s)
- T V Karamysheva
- Institute of Cytology and Genetics, SB RAS, Novosibirsk, Russia
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Aulchenko YS, Araripe LO, D'Andrea PS, Shishkin AA, Cerqueira R, Borodin PM, Axenovich TI. Inheritance of litter size at birth in the Brazilian grass mouse (Akodon cursor, Sigmodontinae, Rodentia). Genet Res (Camb) 2002; 80:55-62. [PMID: 12448858 DOI: 10.1017/s0016672302005724] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
Abstract
By means of complex segregation analysis we studied the inheritance of litter size in two large pedigrees of captive-bred colonies of the Brazilian grass mouse Akodon cursor. Genetic analysis has revealed a highly significant influence of genetic factors on the variation of litter size (heritability, h2, was estimated as 0.44). The inheritance followed the classical polygene model: neither the major-gene model nor the polygene with unequal contribution model described the data significantly better.
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Affiliation(s)
- Yu S Aulchenko
- Institute of Cytology and Genetics, Russian Academy of Science, 630090 Novosibirsk, Russia
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Axenovich TI, Borodin PM. Some pitfalls of segregation analysis of complex traits. Am J Med Genet 2002; 111:228-9. [PMID: 12210358 DOI: 10.1002/ajmg.10524] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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