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Baines JF, Baldus CD, Bertels F, Brüggemann M, Kaleta C, Laudes M, Mueller FJ, Odenthal-Hesse L, Poyet M, Rainey PB, Rosenstiel P, Scheffold A, Sebens S, Thiery J, Traulsen A. Advancing evolutionary medicine in Northern Germany: Collaboration between Kiel University's Medical Faculty and the Max Planck Institute for Evolutionary Biology. Evol Med Public Health 2024; 12:117-121. [PMID: 39114444 PMCID: PMC11304943 DOI: 10.1093/emph/eoae013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2024] [Revised: 07/10/2024] [Indexed: 08/10/2024] Open
Affiliation(s)
- John F Baines
- Section of Evolutionary Medicine, Institute of Experimental Medicine, Kiel University, Kiel, Germany
- Guest Group Evolutionary Medicine, Max Planck Institute for Evolutionary Biology, Plön, Germany
| | - Claudia D Baldus
- Medical Department II, Hematology and Oncology, University Hospital Schleswig-Holstein, Kiel, Germany
- University Cancer Center Schleswig-Holstein (UCCSH), University Hospital Schleswig-Holstein, Kiel, Germany
| | - Frederic Bertels
- Department of Microbial Population Biology, Max Planck Institute for Evolutionary Biology, Plön, Germany
| | - Monika Brüggemann
- Medical Department II, Hematology and Oncology, University Hospital Schleswig-Holstein, Kiel, Germany
- University Cancer Center Schleswig-Holstein (UCCSH), University Hospital Schleswig-Holstein, Kiel, Germany
| | - Christoph Kaleta
- Research Group Medical Systems Biology, Institute of Experimental Medicine, Kiel University, Kiel, Germany
| | - Matthias Laudes
- Institute of Diabetes and Clinical Metabolic Research, University Hospital Schleswig-Holstein Campus Kiel, Kiel, Germany
| | - Franz-Josef Mueller
- Department of Psychiatry and Psychotherapy, Kiel University and University Hospital Schleswig-Holstein, Kiel, Germany
- Department of Genome Regulation, Max Planck Institute for Molecular Genetics, Berlin, Germany
| | - Linda Odenthal-Hesse
- Research Group Meiotic Recombination and Genome Instability, Max Planck Institute for Evolutionary Biology, Plön, Germany
| | - Mathilde Poyet
- Section of Evolutionary Medicine, Institute of Experimental Medicine, Kiel University, Kiel, Germany
| | - Paul B Rainey
- Department of Microbial Population Biology, Max Planck Institute for Evolutionary Biology, Plön, Germany
- Laboratory of Biophysics and Evolution, ESPCI, Université Paris Sciences et Lettres, Paris, France
| | - Philip Rosenstiel
- Institute of Clinical Molecular Biology, Kiel University and University Hospital Schleswig-Holstein, Campus Kiel, Kiel, Germany
| | - Alexander Scheffold
- Institute of Immunology, Kiel University and University Medical Center Schleswig-Holstein, Kiel, Germany
| | - Susanne Sebens
- Institute for Experimental Cancer Research, Kiel University, University Hospital Schleswig-Holstein (UKSH), Kiel, Germany
| | - Joachim Thiery
- Faculty of Medicine, Kiel University and University Hospital Schleswig-Holstein (UKSH), Kiel, Germany
| | - Arne Traulsen
- Department of Theoretical Biology, Max Planck Institute for Evolutionary Biology, Plön, Germany
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Lampitto M, Barchi M. Recent advances in mechanisms ensuring the pairing, synapsis and segregation of XY chromosomes in mice and humans. Cell Mol Life Sci 2024; 81:194. [PMID: 38653846 PMCID: PMC11039559 DOI: 10.1007/s00018-024-05216-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2024] [Revised: 03/04/2024] [Accepted: 03/20/2024] [Indexed: 04/25/2024]
Abstract
Sex chromosome aneuploidies are among the most common variations in human whole chromosome copy numbers, with an estimated prevalence in the general population of 1:400 to 1:1400 live births. Unlike whole-chromosome aneuploidies of autosomes, those of sex chromosomes, such as the 47, XXY aneuploidy that causes Klinefelter Syndrome (KS), often originate from the paternal side, caused by a lack of crossover (CO) formation between the X and Y chromosomes. COs must form between all chromosome pairs to pass meiotic checkpoints and are the product of meiotic recombination that occurs between homologous sequences of parental chromosomes. Recombination between male sex chromosomes is more challenging compared to both autosomes and sex chromosomes in females, as it is restricted within a short region of homology between X and Y, called the pseudo-autosomal region (PAR). However, in normal individuals, CO formation occurs in PAR with a higher frequency than in any other region, indicating the presence of mechanisms that promote the initiation and processing of recombination in each meiotic division. In recent years, research has made great strides in identifying genes and mechanisms that facilitate CO formation in the PAR. Here, we outline the most recent and relevant findings in this field. XY chromosome aneuploidy in humans has broad-reaching effects, contributing significantly also to Turner syndrome, spontaneous abortions, oligospermia, and even infertility. Thus, in the years to come, the identification of genes and mechanisms beyond XY aneuploidy is expected to have an impact on the genetic counseling of a wide number of families and adults affected by these disorders.
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Affiliation(s)
- Matteo Lampitto
- Section of Anatomy, Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome, Italy
| | - Marco Barchi
- Section of Anatomy, Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome, Italy.
- Section of Anatomy, Department of Medicine, Saint Camillus International University of Health Sciences, Rome, Italy.
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AbuAlia KFN, Damm E, Ullrich KK, Mukaj A, Parvanov E, Forejt J, Odenthal-Hesse L. Natural variation in the zinc-finger-encoding exon of Prdm9 affects hybrid sterility phenotypes in mice. Genetics 2024; 226:iyae004. [PMID: 38217871 PMCID: PMC10917509 DOI: 10.1093/genetics/iyae004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 01/04/2024] [Accepted: 01/05/2024] [Indexed: 01/15/2024] Open
Abstract
PRDM9-mediated reproductive isolation was first described in the progeny of Mus musculus musculus (MUS) PWD/Ph and Mus musculus domesticus (DOM) C57BL/6J inbred strains. These male F1 hybrids fail to complete chromosome synapsis and arrest meiosis at prophase I, due to incompatibilities between the Prdm9 gene and hybrid sterility locus Hstx2. We identified 14 alleles of Prdm9 in exon 12, encoding the DNA-binding domain of the PRDM9 protein in outcrossed wild mouse populations from Europe, Asia, and the Middle East, 8 of which are novel. The same allele was found in all mice bearing introgressed t-haplotypes encompassing Prdm9. We asked whether 7 novel Prdm9 alleles in MUS populations and the t-haplotype allele in 1 MUS and 3 DOM populations induce Prdm9-mediated reproductive isolation. The results show that only combinations of the dom2 allele of DOM origin and the MUS msc1 allele ensure complete infertility of intersubspecific hybrids in outcrossed wild populations and inbred mouse strains examined so far. The results further indicate that MUS mice may share the erasure of PRDM9msc1 binding motifs in populations with different Prdm9 alleles, which implies that erased PRDM9 binding motifs may be uncoupled from their corresponding Prdm9 alleles at the population level. Our data corroborate the model of Prdm9-mediated hybrid sterility beyond inbred strains of mice and suggest that sterility alleles of Prdm9 may be rare.
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Affiliation(s)
- Khawla F N AbuAlia
- Research Group Meiotic Recombination and Genome Instability, Max Planck Institute for Evolutionary Biology, Plön D-24306, Germany
| | - Elena Damm
- Research Group Meiotic Recombination and Genome Instability, Max Planck Institute for Evolutionary Biology, Plön D-24306, Germany
| | - Kristian K Ullrich
- Research Group Meiotic Recombination and Genome Instability, Max Planck Institute for Evolutionary Biology, Plön D-24306, Germany
| | - Amisa Mukaj
- Laboratory of Mouse Molecular Genetics, Institute of Molecular Genetics, Czech Academy of Sciences, Vestec CZ-25250, Czech Republic
| | - Emil Parvanov
- Laboratory of Mouse Molecular Genetics, Institute of Molecular Genetics, Czech Academy of Sciences, Vestec CZ-25250, Czech Republic
- Department of Translational Stem Cell Biology, Research Institute of the Medical University of Varna, 9002 Varna, Bulgaria
- Ludwig Boltzmann Institute for Digital Health and Patient Safety, Medical University of Vienna, 1090 Vienna, Austria
| | - Jiri Forejt
- Laboratory of Mouse Molecular Genetics, Institute of Molecular Genetics, Czech Academy of Sciences, Vestec CZ-25250, Czech Republic
| | - Linda Odenthal-Hesse
- Research Group Meiotic Recombination and Genome Instability, Max Planck Institute for Evolutionary Biology, Plön D-24306, Germany
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4
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Hoge C, de Manuel M, Mahgoub M, Okami N, Fuller Z, Banerjee S, Baker Z, McNulty M, Andolfatto P, Macfarlan TS, Schumer M, Tzika AC, Przeworski M. Patterns of recombination in snakes reveal a tug-of-war between PRDM9 and promoter-like features. Science 2024; 383:eadj7026. [PMID: 38386752 DOI: 10.1126/science.adj7026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Accepted: 01/04/2024] [Indexed: 02/24/2024]
Abstract
In some mammals, notably humans, recombination occurs almost exclusively where the protein PRDM9 binds, whereas in vertebrates lacking an intact PRDM9, such as birds and canids, recombination rates are elevated near promoter-like features. To determine whether PRDM9 directs recombination in nonmammalian vertebrates, we focused on an exemplar species with a single, intact PRDM9 ortholog, the corn snake (Pantherophis guttatus). Analyzing historical recombination rates along the genome and crossovers in pedigrees, we found evidence that PRDM9 specifies the location of recombination events, but we also detected a separable effect of promoter-like features. These findings reveal that the uses of PRDM9 and promoter-like features need not be mutually exclusive and instead reflect a tug-of-war that is more even in some species than others.
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Affiliation(s)
- Carla Hoge
- Department of Biological Sciences, Columbia University, New York, NY, USA
| | - Marc de Manuel
- Department of Biological Sciences, Columbia University, New York, NY, USA
| | - Mohamed Mahgoub
- The Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD, USA
| | - Naima Okami
- Department of Biological Sciences, Columbia University, New York, NY, USA
| | - Zachary Fuller
- Department of Biological Sciences, Columbia University, New York, NY, USA
| | - Shreya Banerjee
- Department of Biology, Stanford University, Stanford, CA, USA
| | - Zachary Baker
- Department of Systems Biology, Columbia University, New York, NY, USA
| | - Morgan McNulty
- Department of Biological Sciences, Columbia University, New York, NY, USA
| | - Peter Andolfatto
- Department of Biological Sciences, Columbia University, New York, NY, USA
| | - Todd S Macfarlan
- The Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD, USA
| | - Molly Schumer
- Department of Biology, Stanford University, Stanford, CA, USA
- Howard Hughes Medical Institute, Stanford, CA, USA
| | - Athanasia C Tzika
- Laboratory of Artificial & Natural Evolution (LANE), Department of Genetics & Evolution, University of Geneva, Geneva, Switzerland
| | - Molly Przeworski
- Department of Biological Sciences, Columbia University, New York, NY, USA
- Department of Systems Biology, Columbia University, New York, NY, USA
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Abstract
The raison d'être of meiosis is shuffling of genetic information via Mendelian segregation and, within individual chromosomes, by DNA crossing-over. These outcomes are enabled by a complex cellular program in which interactions between homologous chromosomes play a central role. We first provide a background regarding the basic principles of this program. We then summarize the current understanding of the DNA events of recombination and of three processes that involve whole chromosomes: homolog pairing, crossover interference, and chiasma maturation. All of these processes are implemented by direct physical interaction of recombination complexes with underlying chromosome structures. Finally, we present convergent lines of evidence that the meiotic program may have evolved by coupling of this interaction to late-stage mitotic chromosome morphogenesis.
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Affiliation(s)
- Denise Zickler
- Institute for Integrative Biology of the Cell (I2BC), Centre National de la Recherche Scientifique (CNRS), Université Paris-Sud, Université Paris-Saclay, Gif-sur-Yvette, France
| | - Nancy Kleckner
- Department of Molecular and Cellular Biology, Harvard University, Cambridge, Massachusetts, USA;
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Hoge C, de Manuel M, Mahgoub M, Okami N, Fuller Z, Banerjee S, Baker Z, McNulty M, Andolfatto P, Macfarlan TS, Schumer M, Tzika AC, Przeworski M. Patterns of recombination in snakes reveal a tug of war between PRDM9 and promoter-like features. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.07.11.548536. [PMID: 37502971 PMCID: PMC10369914 DOI: 10.1101/2023.07.11.548536] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/29/2023]
Abstract
In vertebrates, there are two known mechanisms by which meiotic recombination is directed to the genome: in humans, mice, and other mammals, recombination occurs almost exclusively where the protein PRDM9 binds, while in species lacking an intact PRDM9, such as birds and canids, recombination rates are elevated near promoter-like features. To test if PRDM9 also directs recombination in non-mammalian vertebrates, we focused on an exemplar species, the corn snake (Pantherophis guttatus). Unlike birds, this species possesses a single, intact PRDM9 ortholog. By inferring historical recombination rates along the genome from patterns of linkage disequilibrium and identifying crossovers in pedigrees, we found that PRDM9 specifies the location of recombination events outside of mammals. However, we also detected an independent effect of promoter-like features on recombination, which is more pronounced on macro- than microchromosomes. Thus, our findings reveal that the uses of PRDM9 and promoter-like features are not mutually-exclusive, and instead reflect a tug of war, which varies in strength along the genome and is more lopsided in some species than others.
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Affiliation(s)
- Carla Hoge
- Dept. of Biological Sciences, Columbia University
| | | | - Mohamed Mahgoub
- The Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health
| | - Naima Okami
- Dept. of Biological Sciences, Columbia University
| | | | | | | | | | | | - Todd S Macfarlan
- The Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health
| | - Molly Schumer
- Dept. of Biology, Stanford University
- Howard Hughes Medical Institute, Stanford, CA
| | - Athanasia C Tzika
- Laboratory of Artificial & Natural Evolution (LANE), Department of Genetics & Evolution, University of Geneva
| | - Molly Przeworski
- Dept. of Biological Sciences, Columbia University
- Howard Hughes Medical Institute, Stanford, CA
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