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Cheng CHC, Rivera-Colón AG, Minhas BF, Wilson L, Rayamajhi N, Vargas-Chacoff L, Catchen JM. Chromosome-Level Genome Assembly and Circadian Gene Repertoire of the Patagonia Blennie Eleginops maclovinus-The Closest Ancestral Proxy of Antarctic Cryonotothenioids. Genes (Basel) 2023; 14:1196. [PMID: 37372376 DOI: 10.3390/genes14061196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Revised: 05/26/2023] [Accepted: 05/26/2023] [Indexed: 06/29/2023] Open
Abstract
The basal South American notothenioid Eleginops maclovinus (Patagonia blennie or róbalo) occupies a uniquely important phylogenetic position in Notothenioidei as the singular closest sister species to the Antarctic cryonotothenioid fishes. Its genome and the traits encoded therein would be the nearest representatives of the temperate ancestor from which the Antarctic clade arose, providing an ancestral reference for deducing polar derived changes. In this study, we generated a gene- and chromosome-complete assembly of the E. maclovinus genome using long read sequencing and HiC scaffolding. We compared its genome architecture with the more basally divergent Cottoperca gobio and the derived genomes of nine cryonotothenioids representing all five Antarctic families. We also reconstructed a notothenioid phylogeny using 2918 proteins of single-copy orthologous genes from these genomes that reaffirmed E. maclovinus' phylogenetic position. We additionally curated E. maclovinus' repertoire of circadian rhythm genes, ascertained their functionality by transcriptome sequencing, and compared its pattern of gene retention with C. gobio and the derived cryonotothenioids. Through reconstructing circadian gene trees, we also assessed the potential role of the retained genes in cryonotothenioids by referencing to the functions of the human orthologs. Our results found E. maclovinus to share greater conservation with the Antarctic clade, solidifying its evolutionary status as the direct sister and best suited ancestral proxy of cryonotothenioids. The high-quality genome of E. maclovinus will facilitate inquiries into cold derived traits in temperate to polar evolution, and conversely on the paths of readaptation to non-freezing habitats in various secondarily temperate cryonotothenioids through comparative genomic analyses.
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Affiliation(s)
- Chi-Hing Christina Cheng
- Department of Evolution, Ecology and Behavior, University of Illinois, Urbana-Champaign, IL 61801, USA
| | - Angel G Rivera-Colón
- Department of Evolution, Ecology and Behavior, University of Illinois, Urbana-Champaign, IL 61801, USA
| | - Bushra Fazal Minhas
- Informatics Program, University of Illinois, Urbana-Champaign, IL 61801, USA
| | - Loralee Wilson
- Department of Evolution, Ecology and Behavior, University of Illinois, Urbana-Champaign, IL 61801, USA
| | - Niraj Rayamajhi
- Department of Evolution, Ecology and Behavior, University of Illinois, Urbana-Champaign, IL 61801, USA
| | - Luis Vargas-Chacoff
- Laboratorio de Fisiología de Peces, Instituto de Ciencias Marinas y Limnológicas, Universidad Austral de Chile, Valdivia 5090000, Chile
- Centro Fondap de Investigación de Altas Latitudes (IDEAL), Universidad Austral de Chile, Valdivia 5090000, Chile
- Millennium Institute Biodiversity of Antarctic and Subantarctic Ecosystems (BASE), Universidad Austral de Chile, Valdivia 5090000, Chile
| | - Julian M Catchen
- Department of Evolution, Ecology and Behavior, University of Illinois, Urbana-Champaign, IL 61801, USA
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Deon GA, Glugoski L, Sassi FDMC, Hatanaka T, Nogaroto V, Bertollo LAC, Liehr T, Al-Rikabi A, Moreira-Filho O, Cioffi MDB, Vicari MR. Chromosomal Rearrangements and Origin of the Multiple XX/XY 1Y 2 Sex Chromosome System in Harttia Species (Siluriformes: Loricariidae). Front Genet 2022; 13:877522. [PMID: 35386289 PMCID: PMC8977651 DOI: 10.3389/fgene.2022.877522] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Accepted: 03/03/2022] [Indexed: 11/13/2022] Open
Abstract
The Neotropical genus Harttia comprises species with extensive chromosomal remodeling and distinct sex chromosome systems (SCSs). So far, three different SCSs with male heterogamety have been characterized in the group. In some species, the presence of the XX/XY1Y2 SCS is associated with a decrease in diploid numbers and several chromosomal rearrangements, although a direct relation to sex chromosome differentiation has not been shown yet. Here, we aimed to investigate the differentiation processes that have led to the establishment of the rare XX/XY1Y2 SCS and track its evolutionary history among other Harttia species. For that, four whole chromosome painting probes derived from chromosome 1 of H. torrenticola (HTO-1), chromosomes 9 and X of H. carvalhoi (HCA-9 and HCA-X), and chromosome X from H. intermontana (HIN-X) were applied in nine Harttia species. Homeologous chromosome blocks were located in Harttia species and demonstrated that Robertsonian (Rb) fusions originated HTO-1, HCA-9, and HCA-X chromosomes, while Rb fissions explain Y1 and Y2 sex chromosomes. Specifically, in H. intermontana, HCA-X, HCA-9, and the NOR-bearing chromosome demonstrated that homeologous blocks were used in the HIN-X and metacentric pair 2 origins. Consequently, diploid numbers changed between the studied species. Overall, the data also reinforce the existence of unstable genomic sites promoting chromosomal differentiation and remodeling within the genus Harttia.
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Affiliation(s)
- Geize Aparecida Deon
- Departamento de Genética e Evolução, Universidade Federal de São Carlos, São Paulo, Brazil.,Departamento de Biologia Estrutural, Molecular e Genética, Universidade Estadual de Ponta Grossa, Paraná, Brazil
| | - Larissa Glugoski
- Departamento de Genética e Evolução, Universidade Federal de São Carlos, São Paulo, Brazil.,Departamento de Biologia Estrutural, Molecular e Genética, Universidade Estadual de Ponta Grossa, Paraná, Brazil
| | | | - Terumi Hatanaka
- Departamento de Genética e Evolução, Universidade Federal de São Carlos, São Paulo, Brazil
| | - Viviane Nogaroto
- Departamento de Biologia Estrutural, Molecular e Genética, Universidade Estadual de Ponta Grossa, Paraná, Brazil
| | | | - Thomas Liehr
- Institute of Human Genetics, University Hospital Jena, Jena, Germany
| | - Ahmed Al-Rikabi
- Institute of Human Genetics, University Hospital Jena, Jena, Germany
| | - Orlando Moreira-Filho
- Departamento de Genética e Evolução, Universidade Federal de São Carlos, São Paulo, Brazil
| | | | - Marcelo Ricardo Vicari
- Departamento de Biologia Estrutural, Molecular e Genética, Universidade Estadual de Ponta Grossa, Paraná, Brazil
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Daane JM, William Detrich H. Adaptations and Diversity of Antarctic Fishes: A Genomic Perspective. Annu Rev Anim Biosci 2021; 10:39-62. [PMID: 34748709 DOI: 10.1146/annurev-animal-081221-064325] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Antarctic notothenioid fishes are the classic example of vertebrate adaptive radiation in a marine environment. Notothenioids diversified from a single common ancestor ∼25 Mya to more than 140 species today, and they represent ∼90% of fish biomass on the continental shelf of Antarctica. As they diversified in the cold Southern Ocean, notothenioids evolved numerous traits, including osteopenia, anemia, cardiomegaly, dyslipidemia, and aglomerular kidneys, that are beneficial or tolerated in their environment but are pathological in humans. Thus, notothenioids are models for understanding adaptive radiations, physiological and biochemical adaptations to extreme environments, and genetic mechanisms of human disease. Since 2014, 16 notothenioid genomes have been published, which enable a first-pass holistic analysis of the notothenioid radiation and the genetic underpinnings of novel notothenioid traits. Here, we review the notothenioid radiation from a genomic perspective and integrate our insights with recent observations from other fish radiations. Expected final online publication date for the Annual Review of Animal Biosciences, Volume 10 is February 2022. Please see http://www.annualreviews.org/page/journal/pubdates for revised estimates.
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Affiliation(s)
- Jacob M Daane
- Department of Marine and Environmental Sciences, Northeastern University Marine Science Center, Nahant, Massachusetts, USA
| | - H William Detrich
- Department of Marine and Environmental Sciences, Northeastern University Marine Science Center, Nahant, Massachusetts, USA
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Sember A, Nguyen P, Perez MF, Altmanová M, Ráb P, Cioffi MDB. Multiple sex chromosomes in teleost fishes from a cytogenetic perspective: state of the art and future challenges. Philos Trans R Soc Lond B Biol Sci 2021; 376:20200098. [PMID: 34304595 PMCID: PMC8310710 DOI: 10.1098/rstb.2020.0098] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/30/2020] [Indexed: 12/15/2022] Open
Abstract
Despite decades of cytogenetic and genomic research of dynamic sex chromosome evolution in teleost fishes, multiple sex chromosomes have been largely neglected. In this review, we compiled available data on teleost multiple sex chromosomes, identified major trends in their evolution and suggest further trajectories in their investigation. In a compiled dataset of 440 verified records of fish sex chromosomes, we counted 75 multiple sex chromosome systems with 60 estimated independent origins. We showed that male-heterogametic systems created by Y-autosome fusion predominate and that multiple sex chromosomes are over-represented in the order Perciformes. We documented a striking difference in patterns of differentiation of sex chromosomes between male and female heterogamety and hypothesize that faster W sex chromosome differentiation may constrain sex chromosome turnover in female-heterogametic systems. We also found no significant association between the mechanism of multiple sex chromosome formation and percentage of uni-armed chromosomes in teleost karyotypes. Last but not least, we hypothesized that interaction between fish populations, which differ in their sex chromosomes, can drive the evolution of multiple sex chromosomes in fishes. This underlines the importance of broader inter-population sampling in studies of fish sex chromosomes. 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)
- Alexandr Sember
- Laboratory of Fish Genetics, Institute of Animal Physiology and Genetics, Czech Academy of Sciences, Rumburská 89, 277 21 Liběchov, Czech Republic
| | - Petr Nguyen
- Laboratory of Fish Genetics, Institute of Animal Physiology and Genetics, Czech Academy of Sciences, Rumburská 89, 277 21 Liběchov, Czech Republic
- Faculty of Science, University of South Bohemia, Branišovská 1760, 370 05 České Budějovice, Czech Republic
| | - Manolo F. Perez
- Departamento de Genética e Evolução, Universidade Federal de São Carlos, Rod. Washington Luiz km 235 cep, 13565-905, São Carlos, Brazil
| | - Marie Altmanová
- Laboratory of Fish Genetics, Institute of Animal Physiology and Genetics, Czech Academy of Sciences, Rumburská 89, 277 21 Liběchov, Czech Republic
- Department of Ecology, Faculty of Science, Charles University, Viničná 7, 128 44 Prague, Czech Republic
| | - Petr Ráb
- Laboratory of Fish Genetics, Institute of Animal Physiology and Genetics, Czech Academy of Sciences, Rumburská 89, 277 21 Liběchov, Czech Republic
| | - Marcelo de Bello Cioffi
- Departamento de Genética e Evolução, Universidade Federal de São Carlos, Rod. Washington Luiz km 235 cep, 13565-905, São Carlos, Brazil
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