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Breton S, Stewart DT, Brémaud J, Havird JC, Smith CH, Hoeh WR. Did doubly uniparental inheritance (DUI) of mtDNA originate as a cytoplasmic male sterility (CMS) system? Bioessays 2022; 44:e2100283. [PMID: 35170770 PMCID: PMC9083018 DOI: 10.1002/bies.202100283] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Revised: 01/26/2022] [Accepted: 01/31/2022] [Indexed: 01/10/2023]
Abstract
Animal and plant species exhibit an astonishing diversity of sexual systems, including environmental and genetic determinants of sex, with the latter including genetic material in the mitochondrial genome. In several hermaphroditic plants for example, sex is determined by an interaction between mitochondrial cytoplasmic male sterility (CMS) genes and nuclear restorer genes. Specifically, CMS involves aberrant mitochondrial genes that prevent pollen development and specific nuclear genes that restore it, leading to a mixture of female (male-sterile) and hermaphroditic individuals in the population (gynodioecy). Such a mitochondrial-nuclear sex determination system is thought to be rare outside plants. Here, we present one possible case of CMS in animals. We hypothesize that the only exception to the strict maternal mtDNA inheritance in animals, the doubly uniparental inheritance (DUI) system in bivalves, might have originated as a mitochondrial-nuclear sex-determination system. We document and explore similarities that exist between DUI and CMS, and we propose various ways to test our hypothesis.
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Affiliation(s)
- Sophie Breton
- Département des sciences biologiques, Université de Montréal, Montréal, Québec, Canada
| | - Donald T Stewart
- Department of Biology, Acadia University, Wolfville, Nova Scotia, Canada
| | - Julie Brémaud
- Département des sciences biologiques, Université de Montréal, Montréal, Québec, Canada
| | - Justin C Havird
- Department of Integrative Biology, The University of Texas at Austin, Austin, Texas, USA
| | - Chase H Smith
- Department of Integrative Biology, The University of Texas at Austin, Austin, Texas, USA
| | - Walter R Hoeh
- Department of Biological Sciences, Kent State University, Kent, Ohio, USA
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OUP accepted manuscript. Zool J Linn Soc 2022. [DOI: 10.1093/zoolinnean/zlac031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
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Stewart DT, Robicheau BM, Youssef N, Garrido-Ramos MA, Chase EE, Breton S. Expanding the Search for Sperm Transmission Elements in the Mitochondrial Genomes of Bivalve Mollusks. Genes (Basel) 2021; 12:1211. [PMID: 34440385 PMCID: PMC8394068 DOI: 10.3390/genes12081211] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Revised: 07/30/2021] [Accepted: 08/03/2021] [Indexed: 11/16/2022] Open
Abstract
Doubly uniparental inheritance (DUI) of mitochondrial DNA (mtDNA) in bivalve mollusks is one of the most notable departures from the paradigm of strict maternal inheritance of mtDNA among metazoans. Recently, work on the Mediterranean mussel Mytilus galloprovincialis suggested that a nucleotide motif in the control region of this species, known as the sperm transmission element (STE), helps protect male-transmitted mitochondria from destruction during spermatogenesis. Subsequent studies found similar, yet divergent, STE motifs in other marine mussels. Here, we extend the in silico search for mtDNA signatures resembling known STEs. This search is carried out for the large unassigned regions of 157 complete mitochondrial genomes from within the Mytiloida, Veneroida, Unionoida, and Ostreoida bivalve orders. Based on a sliding window approach, we present evidence that there are additional putative STE signatures in the large unassigned regions of several marine clams and freshwater mussels with DUI. We discuss the implications of this finding for interpreting the origin of doubly uniparental inheritance in ancestral bivalve mollusks, as well as potential future in vitro and in silico studies that could further refine our understanding of the early evolution of this unusual system of mtDNA inheritance.
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Affiliation(s)
- Donald T. Stewart
- Department of Biology, Acadia University, Wolfville, NS B4P 2R6, Canada
| | - Brent M. Robicheau
- Department of Biology, Dalhousie University, Halifax, NS B3H 4R2, Canada; (B.M.R.); (N.Y.)
| | - Noor Youssef
- Department of Biology, Dalhousie University, Halifax, NS B3H 4R2, Canada; (B.M.R.); (N.Y.)
| | - Manuel A. Garrido-Ramos
- Departamento de Genética, Facultad de Ciencias, Universidad de Granada, 18071 Granada, Spain;
| | - Emily E. Chase
- Institut Méditerranéen d’Océanologie, Aix-Marseille University, 13288 Marseille, France;
- Institut Hospitalo-Universitaire (IHU) Méditerranée Infection, 19-21 Boulevard Jean Moulin, 13005 Marseille, France
| | - Sophie Breton
- Département de Sciences Biologiques, Université de Montréal, Montréal, QC H3C 3J7, Canada;
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A mitochondrial genome phylogeny of Mytilidae (Bivalvia: Mytilida). Mol Phylogenet Evol 2019; 139:106533. [PMID: 31185299 DOI: 10.1016/j.ympev.2019.106533] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2019] [Revised: 06/06/2019] [Accepted: 06/07/2019] [Indexed: 11/22/2022]
Abstract
The family Mytilidae is a family of bivalve mussels that are distributed worldwide in diverse marine habitats. Within the family, classification systems and phylogenetic relationships among subfamilies remain not yet fully resolved. In this study, we newly determined 9 mitochondrial genome sequences from 7 subfamilies: Bathymodiolus thermophilus (Bathymodiolinae), Modiolus nipponicus (Modiolinae), Lithophaga curta (the first representative of Lithophaginae), Brachidontes mutabilis (Brachidontinae), Mytilisepta virgata (Brachidontinae), Mytilisepta keenae (Brachidontinae), Crenomytilus grayanus (Mytilinae), Gregariella coralliophaga (Crenellinae), and Septifer bilocularis (the first representative of Septiferinae). Phylogenetic trees using maximum likelihood and Bayesian inference methods for 28 mitochondrial genomes (including 19 previously published sequences) showed two major clades with high support values: Clade 1 ((Bathymodiolinae + Modiolinae) + (Lithophaginae + Limnoperninae)) and Clade 2 (((Mytilinae + Crenellinae) + Septiferinae) + Brachidontinae). The position of the genus Lithophaga (representing Lithophaginae) differed from a previously published molecular phylogeny. Divergence time analysis with a molecular clock indicated that lineage splitting among the major subfamilies of Mytilidae (including the habitat transition from marine to freshwater environments by ancestral Limnoperninae) occurred in the Mesozoic period, coinciding with high diversification rates of marine fauna during that time. This is the first mitochondrial genome-based phylogenetic study of the Mytilidae that covers nearly all subfamily members, excluding the subfamily Dacrydiinae.
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Chacón GM, Arias‐Pérez A, Freire R, Martínez L, Nóvoa S, Naveira H, Insua A. Evidence of doubly uniparental inheritance of the mitochondrial
DNA
in
Polititapes rhomboides
(Bivalvia, Veneridae): Evolutionary and population genetic analysis of F and M mitotypes. J ZOOL SYST EVOL RES 2019. [DOI: 10.1111/jzs.12267] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- Ginna M. Chacón
- Departamento de Bioloxía‐Facultade de Ciencias and Centro de Investigacións Científicas Avanzadas (CICA)Universidade da Coruña A Coruña Spain
| | - Alberto Arias‐Pérez
- Departamento de Bioloxía‐Facultade de Ciencias and Centro de Investigacións Científicas Avanzadas (CICA)Universidade da Coruña A Coruña Spain
| | - Ruth Freire
- Departamento de Bioloxía‐Facultade de Ciencias and Centro de Investigacións Científicas Avanzadas (CICA)Universidade da Coruña A Coruña Spain
| | - Luisa Martínez
- Departamento de Bioloxía‐Facultade de Ciencias and Centro de Investigacións Científicas Avanzadas (CICA)Universidade da Coruña A Coruña Spain
| | - Susana Nóvoa
- Centro de Cultivos Marinos de Ribadeo‐CIMAXunta de Galicia Ribadeo (Lugo) Spain
| | - Horacio Naveira
- Departamento de Bioloxía‐Facultade de Ciencias and Centro de Investigacións Científicas Avanzadas (CICA)Universidade da Coruña A Coruña Spain
| | - Ana Insua
- Departamento de Bioloxía‐Facultade de Ciencias and Centro de Investigacións Científicas Avanzadas (CICA)Universidade da Coruña A Coruña Spain
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Stewart DT, Sinclair-Waters M, Rice A, Bunker RA, Robicheau BM, Breton S. Distribution and frequency of mitochondrial DNA polymorphisms in blue mussel ( Mytilus edulis) populations of southwestern Nova Scotia (Canada). CAN J ZOOL 2018. [DOI: 10.1139/cjz-2017-0212] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The Atlantic blue mussel (Mytilus edulis Linnaeus, 1758) exhibits doubly uniparental inheritance of mitochondrial (mt) DNA. Females are usually homoplasmic for a female-transmitted mt genome (the F type) and males are heteroplasmic for an F type and a male-transmitted mt genome (the M type). F types can undergo “role-reversal” events, resulting in new male-transmitted mtDNA genomes known as recently masculinized (RM) types that co-occur in populations with evolutionarily older standard-male (SM) types. Phylogenetic analyses have shown that RM types periodically replace SM types. It has also been shown that sperm with RM mtDNA have greater swimming velocity and more efficient components of the electron transport chain compared to sperm with SM mtDNA, thus leading to the hypothesis that RM sperm may have a selective advantage over SM sperm. The present study examines the distribution of RM and SM mitotypes in male M. edulis (n = 225) from 13 localities in southwestern Nova Scotia (Canada). The SM type was more common in all populations, with the proportion of RM types ranging from 0% to 24.1%. The highest proportion of RM types was observed in an aquaculture operation. Analyses of additional populations are required to evaluate the selective pressures affecting the geographic distribution of RM and SM mitotypes in M. edulis.
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Affiliation(s)
- Donald T. Stewart
- Department of Biology, Acadia University, Wolfville, NS B4P 2R6, Canada
| | | | - Alexandra Rice
- Department of Biology, Acadia University, Wolfville, NS B4P 2R6, Canada
| | - Ryan A. Bunker
- Department of Biology, Acadia University, Wolfville, NS B4P 2R6, Canada
| | | | - Sophie Breton
- Department of Biology, Acadia University, Wolfville, NS B4P 2R6, Canada
- Département de Sciences Biologiques, Université de Montréal, Montréal, QC H3C 3J7, Canada
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Robicheau BM, Breton S, Stewart DT. Sequence motifs associated with paternal transmission of mitochondrial DNA in the horse mussel, Modiolus modiolus (Bivalvia: Mytilidae). Gene 2016; 605:32-42. [PMID: 28027966 DOI: 10.1016/j.gene.2016.12.025] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2016] [Revised: 11/10/2016] [Accepted: 12/23/2016] [Indexed: 12/01/2022]
Abstract
In the majority of metazoans paternal mitochondria represent evolutionary dead-ends. In many bivalves, however, this paradigm does not hold true; both maternal and paternal mitochondria are inherited. Herein, we characterize maternal and paternal mitochondrial control regions of the horse mussel, Modiolus modiolus (Bivalvia: Mytilidae). The maternal control region is 808bp long, while the paternal control region is longer at 2.3kb. We hypothesize that the size difference is due to a combination of repeated duplications within the control region of the paternal mtDNA genome, as well as an evolutionarily ancient recombination event between two sex-associated mtDNA genomes that led to the insertion of a second control region sequence in the genome that is now transmitted via males. In a comparison to other mytilid male control regions, we identified two evolutionarily Conserved Motifs, CMA and CMB, associated with paternal transmission of mitochondrial DNA. CMA is characterized by a conserved purine/pyrimidine pattern, while CMB exhibits a specific 13bp nucleotide string within a stem and loop structure. The identification of motifs CMA and CMB in M. modiolus extends our understanding of Sperm Transmission Elements (STEs) that have recently been identified as being associated with the paternal transmission of mitochondria in marine bivalves.
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Affiliation(s)
| | - Sophie Breton
- Departement de Science Biologiques, Université de Montréal, QC, Canada
| | - Donald T Stewart
- Departement de Science Biologiques, Université de Montréal, QC, Canada.
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