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Marín-García PJ, Llobat L. What Are the Keys to the Adaptive Success of European Wild Rabbit ( Oryctolagus cuniculus) in the Iberian Peninsula? Animals (Basel) 2021; 11:2453. [PMID: 34438909 PMCID: PMC8388719 DOI: 10.3390/ani11082453] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Revised: 08/18/2021] [Accepted: 08/18/2021] [Indexed: 12/17/2022] Open
Abstract
The European wild rabbit (Oryctolagus cuniculus) plays an important ecological role in the ecosystems of the Iberian Peninsula. Recently, rabbit populations have drastically reduced, so the species is now considered endangered. However, in some places, this animal is considered a pest. This is the conservation paradox of the 21st century: the wild rabbit is both an invasive alien and an endangered native species. The authors of this review aimed to understand the keys to the adaptive success of European rabbits, addressing all aspects of their biology in order to provide the keys to the ecological management of this species. Aspects including nutrition, genetics, immunity interactions with the environment, behaviour, and conflict with human activities were reviewed. Ultimately, rabbits are resilient and adaptable. The main adaptations that explain the rabbit's adaptive success are its nutrition (wide adaptation to food and good nutritional use of caecotrophy), immune system (powerful and developed), and other aspects related to genetics and behaviour. Rabbits' relationship with humans has led them to colonise other places where they have become pests. Despite these adaptations, populations in native places have been drastically reduced in recent years. Since it serves as a bastion of the Mediterranean ecosystem, a specific conservation program for this species must be carried out. Therefore, a study of the rabbit's response to diseases and nutrition (especially protein), as well as the interaction between them, is of special interest.
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Affiliation(s)
- Pablo Jesús Marín-García
- Institute for Animal Science and Technology, Universitat Politècnica de València, Camino de Vera s/n, 46022 Valencia, Spain
- Department of Animal Production and Health, Veterinary Public Health and Food Science and Technology (PASAPTA), Facultad de Veterinaria, Universidad Cardenal Herrera-CEU, CEU Universities, 46113 Valencia, Spain
| | - Lola Llobat
- Department of Animal Production and Health, Veterinary Public Health and Food Science and Technology (PASAPTA), Facultad de Veterinaria, Universidad Cardenal Herrera-CEU, CEU Universities, 46113 Valencia, Spain
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Neves F, Abrantes J, Lopes AM, Fusinatto LA, Magalhães MJ, van der Loo W, Esteves PJ. Evolution of CCL16 in Glires (Rodentia and Lagomorpha) shows an unusual random pseudogenization pattern. BMC Evol Biol 2019; 19:59. [PMID: 30786851 PMCID: PMC6383237 DOI: 10.1186/s12862-019-1390-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2018] [Accepted: 02/13/2019] [Indexed: 12/16/2022] Open
Abstract
Background The C-C motif chemokine ligand 16 (CCL16) is a potent pro-inflammatory chemokine and a chemoattractant for monocytes and lymphocytes. In normal plasma, it is present at high concentrations and elicits its effects on cells by interacting with cell surface chemokine receptors. In the European rabbit and in rodents such as mouse, rat and guinea pig, CCL16 was identified as a pseudogene, while in the thirteen-lined ground squirrel it appears to be potentially functional. To gain insight into the evolution of this gene in the superorder Glires (rodents and lagomorphs), we amplified the CCL16 gene from eleven Leporidae and seven Ochotonidae species. Results We compared our sequences with CCL16 sequences of twelve rodent species retrieved from public databases. The data show that for all leporid species studied CCL16 is a pseudogene. This is primarily due to mutations at the canonical Cys Cys motif, creating either premature stop codons, or disrupting amino acid replacements. In the Mexican cottontail, CCL16 is pseudogenized due to a frameshift deletion. Additionally, in the exon 1 (signal peptide), there are frameshift deletions present in all leporids studied. In contrast, in Ochotona species, CCL16 is potentially functional, except for an allele in Hoffmann’s pika. In rodents, CCL16 is functional in a number of species, but patterns of pseudogenization similar to those observed in lagomorphs also exist. Conclusions Our results suggest that while functional in the Glires ancestor, CCL16 underwent pseudogenization in some species. This process occurred stochastically or in specific lineages at different moments in the evolution of Glires. These observations suggest that the CCL16 had different evolutionary constrains in the Glires group that could be associated with the CCL16 biological function. Electronic supplementary material The online version of this article (10.1186/s12862-019-1390-7) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Fabiana Neves
- CIBIO, InBIO - Research Network in Biodiversity and Evolutionary Biology, Universidade do Porto, Campus de Vairão, Rua Padre Armando Quintas, 4485-661, Vairão, Portugal.,UMIB/UP - Unidade Multidisciplinar de Investigação Biomédica/Universidade do Porto, Porto, Portugal
| | - Joana Abrantes
- CIBIO, InBIO - Research Network in Biodiversity and Evolutionary Biology, Universidade do Porto, Campus de Vairão, Rua Padre Armando Quintas, 4485-661, Vairão, Portugal
| | - Ana M Lopes
- CIBIO, InBIO - Research Network in Biodiversity and Evolutionary Biology, Universidade do Porto, Campus de Vairão, Rua Padre Armando Quintas, 4485-661, Vairão, Portugal.,UMIB/UP - Unidade Multidisciplinar de Investigação Biomédica/Universidade do Porto, Porto, Portugal
| | - Luciana A Fusinatto
- Departamento de Ecologia, Instituto de Biologia Roberto Alcântara Gomes, Universidade do Estado do Rio de Janeiro (UERJ), R. São Francisco Xavier 524, Rio de Janeiro, RJ, CEP 20550-013, Brazil
| | - Maria J Magalhães
- CIBIO, InBIO - Research Network in Biodiversity and Evolutionary Biology, Universidade do Porto, Campus de Vairão, Rua Padre Armando Quintas, 4485-661, Vairão, Portugal
| | - Wessel van der Loo
- CIBIO, InBIO - Research Network in Biodiversity and Evolutionary Biology, Universidade do Porto, Campus de Vairão, Rua Padre Armando Quintas, 4485-661, Vairão, Portugal
| | - Pedro J Esteves
- CIBIO, InBIO - Research Network in Biodiversity and Evolutionary Biology, Universidade do Porto, Campus de Vairão, Rua Padre Armando Quintas, 4485-661, Vairão, Portugal. .,Departamento de Biologia, Faculdade de Ciências da Universidade do Porto, Rua do Campo Alegre, s/n, 4169-007, Porto, Portugal. .,CITS - Centro de Investigação em Tecnologias de Saúde, CESPU, Gandra, Portugal.
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Gulati K, Jamsandekar M, Poluri KM. Mechanistic insights into molecular evolution of species-specific differential glycosaminoglycan binding surfaces in growth-related oncogene chemokines. ROYAL SOCIETY OPEN SCIENCE 2017; 4:171059. [PMID: 28989790 PMCID: PMC5627130 DOI: 10.1098/rsos.171059] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2017] [Accepted: 08/14/2017] [Indexed: 05/19/2023]
Abstract
Chemokines are chemotactic cytokines involved in leucocyte trafficking to infected tissue. Growth-related oncogene (GRO) chemokines namely CXCL1, CXCL2 and CXCL3 are neutrophil activating chemokines sharing a conserved three-dimensional structure, but encompassing functional diversity due to gene duplication and evolutionary events. However, the evolutionary mechanisms including selection pressures involved in diversification of GRO genes have not yet been characterized. Here, we performed comprehensive evolutionary analysis of GRO genes among different mammalian species. Phylogenetic analysis illustrated a species-specific evolution pattern. Selection analysis evidenced that these genes have undergone concerted evolution. Seventeen positively selected sites were obtained, although the majority of the protein is under purifying selection. Interestingly, these positively selected sites are more concentrated on the C-terminal/glycosaminoglycan (GAG) binding and dimerization segment compared to receptor binding domain. Substitution rate analysis confirmed the C-terminal domain of GRO genes as the highest substituted segment. Further, structural analysis established that the nucleotide alterations in the GAG binding domain are the source of surface charge modulation, thus generating the differential GAG binding surfaces and multiple binding sites as per evolutionary pressure, although the helical surface is primordial for GAG binding. Indeed, such variable electrostatic surfaces are crucial to regulate chemokine gradient formation during a host's defence against pathogens and also explain the significance of chemokine promiscuity.
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Affiliation(s)
- Khushboo Gulati
- Department of Biotechnology, Indian Institute of Technology Roorkee, Roorkee, 247667, Uttarakhand, India
| | - Minal Jamsandekar
- Department of Biotechnology, Indian Institute of Technology Roorkee, Roorkee, 247667, Uttarakhand, India
| | - Krishna Mohan Poluri
- Department of Biotechnology, Indian Institute of Technology Roorkee, Roorkee, 247667, Uttarakhand, India
- Centre for Nanotechnology, Indian Institute of Technology Roorkee, Roorkee, 247667, Uttarakhand, India
- Author for correspondence: Krishna Mohan Poluri e-mail: ;
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Adaptive Gene Loss? Tracing Back the Pseudogenization of the Rabbit CCL8 Chemokine. J Mol Evol 2016; 83:12-25. [PMID: 27306379 DOI: 10.1007/s00239-016-9747-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2015] [Accepted: 05/03/2016] [Indexed: 10/21/2022]
Abstract
Studies of the process of pseudogenization have widened our understanding of adaptive evolutionary change. In Rabbit, an alteration at the second extra-cellular loop of the CCR5 chemokine receptor was found to be associated with the pseudogenization of one of its prime ligands, the chemokine CCL8. This relationship has raised questions about the existence of a causal link between both events, which would imply adaptive gene loss. This hypothesis is evaluated here by tracing back the history of the genetic modifications underlying the chemokine pseudogenization. The obtained data indicate that mutations at receptor and ligand genes occurred after the lineage split of New World Leporids versus Old World Leporids and prior to the generic split of the of Old World species studied, which occurred an estimated 8-9 million years ago. More important, they revealed the emergence, before this zoographical split, of a "slippery" nucleotide motif (CCCCGGG) at the 3' region of CCL8-exon2. Such motives are liable of generating +1G or -1G frameshifts, which could, however, be overcome by "translesion" synthesis or somatic reversion. The CCL8 pseudogenization in the Old World lineage was apparently initiated by three synapomorphic point mutations at the exon2-intron2 boundary which provide at short range premature terminating codons, independently of the reading frame imposed by the slippery motif. The presence of this motif in New World Leporids might allow verifying this scenario. The importance of CCL8-CCR5 signaling in parasite-host interaction would suggest that the CCL8 knock-out in Old World populations might be related to changes in pathogenic environment.
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Neves F, Abrantes J, Esteves PJ. Evolution of CCL11: genetic characterization in lagomorphs and evidence of positive and purifying selection in mammals. Innate Immun 2016; 22:336-43. [PMID: 27189425 DOI: 10.1177/1753425916647471] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2016] [Accepted: 04/06/2016] [Indexed: 12/27/2022] Open
Abstract
The interactions between chemokines and their receptors are crucial for differentiation and activation of inflammatory cells. CC chemokine ligand 11 (CCL11) binds to CCR3 and to CCR5 that in leporids underwent gene conversion with CCR2. Here, we genetically characterized CCL11 in lagomorphs (leporids and pikas). All lagomorphs have a potentially functional CCL11, and the Pygmy rabbit has a mutation in the stop codon that leads to a longer protein. Other mammals also have mutations at the stop codon that result in proteins with different lengths. By employing maximum likelihood methods, we observed that, in mammals, CCL11 exhibits both signatures of purifying and positive selection. Signatures of purifying selection were detected in sites important for receptor binding and activation. Of the three sites detected as under positive selection, two were located close to the stop codon. Our results suggest that CCL11 is functional in all lagomorphs, and that the signatures of purifying and positive selection in mammalian CCL11 probably reflect the protein's biological roles.
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Affiliation(s)
- Fabiana Neves
- CIBIO, InBIO - Research Network in Biodiversity and Evolutionary Biology, Universidade do Porto, Campus de Vairão, Vairão, Portugal UMIB/UP - Unidade Multidisciplinar de Investigação Biomédica/Universidade do Porto, Porto, Portugal
| | - Joana Abrantes
- CIBIO, InBIO - Research Network in Biodiversity and Evolutionary Biology, Universidade do Porto, Campus de Vairão, Vairão, Portugal
| | - Pedro J Esteves
- CIBIO, InBIO - Research Network in Biodiversity and Evolutionary Biology, Universidade do Porto, Campus de Vairão, Vairão, Portugal Departamento de Biologia, Faculdade de Ciências da Universidade do Porto, Porto, Portugal CITS - Centro de Investigação em Tecnologias de Saúde, CESPU, Gandra, Portugal
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Pinheiro A, Neves F, Lemos de Matos A, Abrantes J, van der Loo W, Mage R, Esteves PJ. An overview of the lagomorph immune system and its genetic diversity. Immunogenetics 2015; 68:83-107. [PMID: 26399242 DOI: 10.1007/s00251-015-0868-8] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2015] [Accepted: 08/31/2015] [Indexed: 01/11/2023]
Abstract
Our knowledge of the lagomorph immune system remains largely based upon studies of the European rabbit (Oryctolagus cuniculus), a major model for studies of immunology. Two important and devastating viral diseases, rabbit hemorrhagic disease and myxomatosis, are affecting European rabbit populations. In this context, we discuss the genetic diversity of the European rabbit immune system and extend to available information about other lagomorphs. Regarding innate immunity, we review the most recent advances in identifying interleukins, chemokines and chemokine receptors, Toll-like receptors, antiviral proteins (RIG-I and Trim5), and the genes encoding fucosyltransferases that are utilized by rabbit hemorrhagic disease virus as a portal for invading host respiratory and gut epithelial cells. Evolutionary studies showed that several genes of innate immunity are evolving by strong natural selection. Studies of the leporid CCR5 gene revealed a very dramatic change unique in mammals at the second extracellular loop of CCR5 resulting from a gene conversion event with the paralogous CCR2. For the adaptive immune system, we review genetic diversity at the loci encoding antibody variable and constant regions, the major histocompatibility complex (RLA) and T cells. Studies of IGHV and IGKC genes expressed in leporids are two of the few examples of trans-species polymorphism observed outside of the major histocompatibility complex. In addition, we review some endogenous viruses of lagomorph genomes, the importance of the European rabbit as a model for human disease studies, and the anticipated role of next-generation sequencing in extending knowledge of lagomorph immune systems and their evolution.
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Affiliation(s)
- Ana Pinheiro
- InBIO-Research Network in Biodiversity and Evolutionary Biology, CIBIO, Universidade do Porto, Campus Agrário de Vairão, Rua Padre Armando Quintas, nr. 7, 4485-661, Vairão, Portugal
- Departamento de Biologia, Faculdade de Ciências, Universidade do Porto, 4169-007, Porto, Portugal
- SaBio-IREC (CSIC-UCLM-JCCM), Ronda de Toledo s/n, 13071, Ciudad Real, Spain
| | - Fabiana Neves
- InBIO-Research Network in Biodiversity and Evolutionary Biology, CIBIO, Universidade do Porto, Campus Agrário de Vairão, Rua Padre Armando Quintas, nr. 7, 4485-661, Vairão, Portugal
- UMIB/UP-Unidade Multidisciplinar de Investigação Biomédica, Universidade do Porto, Porto, Portugal
| | - Ana Lemos de Matos
- Department of Molecular Genetics & Microbiology, College of Medicine, University of Florida, Gainesville, FL, 32610, USA
| | - Joana Abrantes
- InBIO-Research Network in Biodiversity and Evolutionary Biology, CIBIO, Universidade do Porto, Campus Agrário de Vairão, Rua Padre Armando Quintas, nr. 7, 4485-661, Vairão, Portugal
| | - Wessel van der Loo
- InBIO-Research Network in Biodiversity and Evolutionary Biology, CIBIO, Universidade do Porto, Campus Agrário de Vairão, Rua Padre Armando Quintas, nr. 7, 4485-661, Vairão, Portugal
| | - Rose Mage
- NIAID, NIH, Bethesda, MD, 20892, USA
| | - Pedro José Esteves
- InBIO-Research Network in Biodiversity and Evolutionary Biology, CIBIO, Universidade do Porto, Campus Agrário de Vairão, Rua Padre Armando Quintas, nr. 7, 4485-661, Vairão, Portugal.
- Departamento de Biologia, Faculdade de Ciências, Universidade do Porto, 4169-007, Porto, Portugal.
- CITS-Centro de Investigação em Tecnologias de Saúde, CESPU, Gandra, Portugal.
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Neves F, Abrantes J, Lissovsky AA, Esteves PJ. Pseudogenization of CCL14 in the Ochotonidae (pika) family. Innate Immun 2015; 21:647-54. [PMID: 25817712 DOI: 10.1177/1753425915577455] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2014] [Accepted: 02/23/2015] [Indexed: 12/15/2022] Open
Abstract
The interaction between chemokines and their receptors is crucial for inflammatory cell trafficking. CCL14 binds with high affinity to CCR5. In leporids, CCR5 underwent gene conversion with CCR2. The study of CCR5 ligands in leporid species showed that CCL8 is pseudogenized, while CCL3, CCL4 and CCL5 are functional. Here, we study the evolution of CCL14 in mammals with emphasis in the order Lagomorpha. By employing maximum likelihood methods we detected six sites under positive selection. Some of these sites are located in regions crucial for CCL14 activation and binding to receptors. Sequencing of CCL14 in Ochotona species showed that O. princeps, O. pallasi, O. alpina and O. turuchanensis have a mutation at the start codon (Met > Thr), while O. hoffmanni, O. mantchurica, O. dauurica and O. rufescens present the mammalian conserved Met. Ochotona hyperborea has the two alleles. In O. pusilla, CCL14 is a pseudogene due to a seven base pair insertion. Like CCL3, CCL4 and CCL5, CCL14 is functional in all leporids but in the Ochotonidae family it underwent a pseudogenization process. This suggests that CCL14 has an important biological role in other mammals by evolving under positive selection that has been lost in Ochotonidae (subgenera Pika and Lagotona).
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Affiliation(s)
- Fabiana Neves
- CIBIO, InBIO - Research Network in Biodiversity and Evolutionary Biology, Universidade do Porto, Campus de Vairão, Rua Padre Armando Quintas, Vairão, Portugal UMIB - Instituto de Ciências Biomédicas de Abel Salazar (ICBAS) - UPorto, Porto, Portugal
| | - Joana Abrantes
- CIBIO, InBIO - Research Network in Biodiversity and Evolutionary Biology, Universidade do Porto, Campus de Vairão, Rua Padre Armando Quintas, Vairão, Portugal
| | - Andrey A Lissovsky
- Zoological Museum of Moscow State University, B. Nikitskaya, 6, Moscow 125009, Russia
| | - Pedro José Esteves
- CIBIO, InBIO - Research Network in Biodiversity and Evolutionary Biology, Universidade do Porto, Campus de Vairão, Rua Padre Armando Quintas, Vairão, Portugal CITS - Centro de Investigação em Tecnologias de Saúde, CESPU, Gandra, Portugal
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