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Pisciottano F, Campos MC, Penna C, Bruque CD, Gabaldón T, Saragüeta P. Positive selection in gamete interaction proteins in Carnivora. Mol Ecol 2024; 33:e17263. [PMID: 38318732 DOI: 10.1111/mec.17263] [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: 06/28/2022] [Revised: 12/15/2023] [Accepted: 12/22/2023] [Indexed: 02/07/2024]
Abstract
The absence of robust interspecific isolation barriers among pantherines, including the iconic South American jaguar (Panthera onca), led us to study molecular evolution of typically rapidly evolving reproductive proteins within this subfamily and related groups. In this study, we delved into the evolutionary forces acting on the zona pellucida (ZP) gamete interaction protein family and the sperm-oocyte fusion protein pair IZUMO1-JUNO across the Carnivora order, distinguishing between Caniformia and Feliformia suborders and anticipating few significant diversifying changes in the Pantherinae subfamily. A chromosome-resolved jaguar genome assembly facilitated coding sequences, enabling the reconstruction of protein evolutionary histories. Examining sequence variability across more than 30 Carnivora species revealed that Feliformia exhibited significantly lower diversity compared to its sister taxa, Caniformia. Molecular evolution analyses of ZP2 and ZP3, subunits directly involved in sperm-recognition, unveiled diversifying positive selection in Feliformia, Caniformia and Pantherinae, although no significant changes were linked to sperm binding. Structural cross-linking ZP subunits, ZP4 and ZP1 exhibited lower levels or complete absence of positive selection. Notably, the fusion protein IZUMO1 displayed prominent positive selection signatures and sites in basal lineages of both Caniformia and Feliformia, extending along the Caniformia subtree but absent in Pantherinae. Conversely, JUNO did not exhibit any positive selection signatures across tested lineages and clades. Eight Caniformia-specific positive selected sites in IZUMO1 were detected within two JUNO-interaction clusters. Our findings provide for the first time insights into the evolutionary trajectories of ZP proteins and the IZUMO1-JUNO gamete interaction pair within the Carnivora order.
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Affiliation(s)
- Francisco Pisciottano
- Instituto de Biología y Medicina Experimental (IByME-CONICET), Buenos Aires, Argentina
| | - María Clara Campos
- Instituto de Biología y Medicina Experimental (IByME-CONICET), Buenos Aires, Argentina
| | - Clementina Penna
- Instituto de Biología y Medicina Experimental (IByME-CONICET), Buenos Aires, Argentina
| | - Carlos David Bruque
- Unidad de Conocimiento Traslacional Hospitalaria Patagónica, Hospital de Alta Complejidad El Calafate SAMIC, El Calafate, Santa Cruz, Argentina
| | - Toni Gabaldón
- Barcelona Supercomputing Center (BSC), Institute for Research in Biomedicine (IRB), and Universitat Pompeu Fabra (UPF), Barcelona, Spain
| | - Patricia Saragüeta
- Instituto de Biología y Medicina Experimental (IByME-CONICET), Buenos Aires, Argentina
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2
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New Insights into the Mammalian Egg Zona Pellucida. Int J Mol Sci 2021; 22:ijms22063276. [PMID: 33806989 PMCID: PMC8005149 DOI: 10.3390/ijms22063276] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Accepted: 03/19/2021] [Indexed: 12/23/2022] Open
Abstract
Mammalian oocytes are surrounded by an extracellular coat called the zona pellucida (ZP), which, from an evolutionary point of view, is the most ancient of the coats that envelope vertebrate oocytes and conceptuses. This matrix separates the oocyte from cumulus cells and is responsible for species-specific recognition between gametes, preventing polyspermy and protecting the preimplantation embryo. The ZP is a dynamic structure that shows different properties before and after fertilization. Until very recently, mammalian ZP was believed to be composed of only three glycoproteins, ZP1, ZP2 and ZP3, as first described in mouse. However, studies have revealed that this composition is not necessarily applicable to other mammals. Such differences can be explained by an analysis of the molecular evolution of the ZP gene family, during which ZP genes have suffered pseudogenization and duplication events that have resulted in differing models of ZP protein composition. The many discoveries made in recent years related to ZP composition and evolution suggest that a compilation would be useful. Moreover, this review analyses ZP biosynthesis, the role of each ZP protein in different mammalian species and how these proteins may interact among themselves and with other proteins present in the oviductal lumen.
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Izquierdo-Rico MJ, Moros-Nicolás C, Pérez-Crespo M, Laguna-Barraza R, Gutiérrez-Adán A, Veyrunes F, Ballesta J, Laudet V, Chevret P, Avilés M. ZP4 Is Present in Murine Zona Pellucida and Is Not Responsible for the Specific Gamete Interaction. Front Cell Dev Biol 2021; 8:626679. [PMID: 33537315 PMCID: PMC7848090 DOI: 10.3389/fcell.2020.626679] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Accepted: 12/21/2020] [Indexed: 12/18/2022] Open
Abstract
Mammalian eggs are surrounded by an extracellular matrix called the zona pellucida (ZP). This envelope participates in processes such as acrosome reaction induction, sperm binding, protection of the oviductal embryo, and may be involved in speciation. In eutherian mammals, this coat is formed of three or four glycoproteins (ZP1–ZP4). While Mus musculus has been used as a model to study the ZP for more than 35 years, surprisingly, it is the only eutherian species in which the ZP is formed of three glycoproteins Zp1, Zp2, and Zp3, Zp4 being a pseudogene. Zp4 was lost in the Mus lineage after it diverged from Rattus, although it is not known when precisely this loss occurred. In this work, the status of Zp4 in several murine rodents was tested by phylogenetic, molecular, and proteomic analyses. Additionally, assays of cross in vitro fertilization between three and four ZP rodents were performed to test the effect of the presence of Zp4 in murine ZP and its possible involvement in reproductive isolation. Our results showed that Zp4 pseudogenization is restricted to the subgenus Mus, which diverged around 6 MYA. Heterologous in vitro fertilization assays demonstrate that a ZP formed of four glycoproteins is not a barrier for the spermatozoa of species with a ZP formed of three glycoproteins. This study identifies the existence of several mouse species with four ZPs that can be considered suitable for use as an experimental animal model to understand the structural and functional roles of the four ZP proteins in other species, including human.
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Affiliation(s)
- Mª José Izquierdo-Rico
- Department of Cell Biology and Histology, Faculty of Medicine, University of Murcia, Murcia, Spain.,Institute for Biomedical Research of Murcia (IMIB-Arrixaca), Murcia, Spain.,International Excellence Campus for Higher Education and Research "Campus Mare Nostrum", Murcia, Spain
| | - Carla Moros-Nicolás
- Department of Cell Biology and Histology, Faculty of Medicine, University of Murcia, Murcia, Spain.,Institute for Biomedical Research of Murcia (IMIB-Arrixaca), Murcia, Spain.,International Excellence Campus for Higher Education and Research "Campus Mare Nostrum", Murcia, Spain
| | - Míriam Pérez-Crespo
- Department of Animal Reproduction, Instituto Nacional de Investigacion y Tecnologia Agraria y Alimentaria (INIA), Madrid, Spain
| | - Ricardo Laguna-Barraza
- Department of Animal Reproduction, Instituto Nacional de Investigacion y Tecnologia Agraria y Alimentaria (INIA), Madrid, Spain
| | - Alfonso Gutiérrez-Adán
- Department of Animal Reproduction, Instituto Nacional de Investigacion y Tecnologia Agraria y Alimentaria (INIA), Madrid, Spain
| | - Frédéric Veyrunes
- Institut des Sciences de l'Evolution, UMR5554 CNRS/Université Montpellier/IRD/EPHE, Montpellier, France
| | - José Ballesta
- Department of Cell Biology and Histology, Faculty of Medicine, University of Murcia, Murcia, Spain.,Institute for Biomedical Research of Murcia (IMIB-Arrixaca), Murcia, Spain.,International Excellence Campus for Higher Education and Research "Campus Mare Nostrum", Murcia, Spain
| | - Vincent Laudet
- Marine Eco-Evo-Devo Unit, Okinawa Institute of Science and Technology, Okinawa, Japan
| | - Pascale Chevret
- Laboratoire de Biométrie et Biologie Evolutive, UMR5558, CNRS, Université de Lyon, Université Claude Bernard Lyon 1, Villeurbanne, France
| | - Manuel Avilés
- Department of Cell Biology and Histology, Faculty of Medicine, University of Murcia, Murcia, Spain.,Institute for Biomedical Research of Murcia (IMIB-Arrixaca), Murcia, Spain.,International Excellence Campus for Higher Education and Research "Campus Mare Nostrum", Murcia, Spain
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Lamas-Toranzo I, Fonseca Balvís N, Querejeta-Fernández A, Izquierdo-Rico MJ, González-Brusi L, Lorenzo PL, García-Rebollar P, Avilés M, Bermejo-Álvarez P. ZP4 confers structural properties to the zona pellucida essential for embryo development. eLife 2019; 8:48904. [PMID: 31635692 PMCID: PMC6805156 DOI: 10.7554/elife.48904] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Accepted: 09/26/2019] [Indexed: 12/17/2022] Open
Abstract
Zona pellucida (ZP), the extracellular matrix sheltering mammalian oocytes and embryos, is composed by 3 to 4 proteins. The roles of the three proteins present in mice have been elucidated by KO models, but the function of the fourth component (ZP4), present in all other eutherian mammals studied so far, has remained elusive. Herein, we report that ZP4 ablation impairs fertility in female rabbits. Ovulation, fertilization and in vitro development to blastocyst were not affected by ZP4 ablation. However, in vivo development is severely impaired in embryos covered by a ZP4-devoided zona, suggesting a defective ZP protective capacity in the absence of ZP4. ZP4-null ZP was significantly thinner, more permeable, and exhibited a more disorganized and fenestrated structure. The evolutionary conservation of ZP4 in other mammals, including humans, suggests that the structural properties conferred by this protein are required to ensure proper embryo sheltering during in vivo preimplantation development. The egg cells of mammals, called oocytes, are encased in a protective layer called the zona pellucida. This layer is made from proteins called ZP1 to 4. Most studies of the zona pellucida use mice, which do not have ZP4. This means that the research community have limited knowledge of what ZP4 does in humans and other mammals. Scientists can now use a technique called CRISPR to selectively modify the genetics of living things to help us to understand what specific genes and proteins do. The ZP4 protein can be eliminated from rabbit oocytes using CRISPR to help understand its role in egg cell fertilization and development. Lamas-Toranzo et al. examined the effect of losing ZP4 from rabbit oocytes. Without ZP4 the zona pellucida becomes thinner, irregular and more flexible. However, the loss of ZP4 did not affect ovulation (i.e. the release of egg cells from an ovary), fertilization, or the early stages of development of embryos when studied in the laboratory. However, rabbits without ZP4 were much less fertile. Indeed, only one out of 10 female rabbits without ZP4 was able to deliver pups because in most cases the development of embryos in the womb failed. These findings show that ZP4 has a structural role in the zona pellucida. Without ZP4 fertility is reduced. This work lays the ground for further investigation of the role of ZP4. It could also offer new insights into the causes of infertility.
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Affiliation(s)
| | | | - Ana Querejeta-Fernández
- Department of Physical Chemistry and Biomedical Research Center (CINBIO), Universidad de Vigo, Vigo, Spain
| | - María José Izquierdo-Rico
- Cell Biology and Histology Department, Faculty of Medicine, Universidad de Murcia and IMIB-Arrixaca, Murcia, Spain
| | - Leopoldo González-Brusi
- Cell Biology and Histology Department, Faculty of Medicine, Universidad de Murcia and IMIB-Arrixaca, Murcia, Spain
| | - Pedro L Lorenzo
- Animal Physiology Department, Veterinary Faculty, Universidad Complutense de Madrid, Madrid, Spain
| | - Pilar García-Rebollar
- Animal Production Department, ETSI Agrónomos, Universidad Politécnica de Madrid, Madrid, Spain
| | - Manuel Avilés
- Cell Biology and Histology Department, Faculty of Medicine, Universidad de Murcia and IMIB-Arrixaca, Murcia, Spain
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Feng JM, Tian HF, Hu QM, Meng Y, Xiao HB. Evolution and multiple origins of zona pellucida genes in vertebrates. Biol Open 2018; 7:7/11/bio036137. [PMID: 30425109 PMCID: PMC6262864 DOI: 10.1242/bio.036137] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Animal egg coats are composed of different glycoproteins collectively named zona pellucida (ZP) proteins. The characterized vertebrate genes encoding ZP proteins have been classified into six subfamilies, and exhibit low similarity to the ZP genes characterized in certain invertebrates. The origin and evolution of the vertebrate ZP genes remain obscure. A search against 97 representative metazoan species revealed various numbers (ranging from three to 33) of different putative egg-coat ZP genes in all 47 vertebrates and several ZP genes in five invertebrate species, but no putative ZP gene was found in the other 45 species. Based on phylogenetic and synteny analyses, all vertebrate egg-coat ZP genes were classified into eight ZP gene subfamilies. Lineage- and species-specific gene duplications and gene losses occurred frequently and represented the main causes of the patchy distribution of the eight ZP gene subfamilies in vertebrates. Thorough phylogenetic analyses revealed that the vertebrate ZP genes could be traced to three independent origins but were not orthologues of the characterized invertebrate ZP genes. Our results suggested that vertebrate egg-coat ZP genes should be classified into eight subfamilies, and a putative evolutionary map is proposed. These findings would aid the functional and evolutionary analyses of these reproductive genes in vertebrates. Summary: Phylogenetic and synteny analyses indicate that the vertebrate zona pellucida (ZP) genes encoding egg coat proteins can be classified into eight subfamilies, and the evolutionary origins of these genes are discussed.
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Affiliation(s)
- Jin-Mei Feng
- Department of Pathogenic Biology, School of Medicine, Jianghan University, Wuhan, Hubei Province 430056, China
| | - Hai-Feng Tian
- Department of Aquaculture and Genetics Breeding, Yangtze River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Wuhan 430223, Hubei Province, China
| | - Qiao-Mu Hu
- Department of Aquaculture and Genetics Breeding, Yangtze River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Wuhan 430223, Hubei Province, China
| | - Yan Meng
- Department of Aquaculture and Genetics Breeding, Yangtze River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Wuhan 430223, Hubei Province, China
| | - Han-Bing Xiao
- Department of Aquaculture and Genetics Breeding, Yangtze River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Wuhan 430223, Hubei Province, China
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