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Kitano J, Ansai S, Takehana Y, Yamamoto Y. Diversity and Convergence of Sex-Determination Mechanisms in Teleost Fish. Annu Rev Anim Biosci 2024; 12:233-259. [PMID: 37863090 DOI: 10.1146/annurev-animal-021122-113935] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2023]
Abstract
Sexual reproduction is prevalent across diverse taxa. However, sex-determination mechanisms are so diverse that even closely related species often differ in sex-determination systems. Teleost fish is a taxonomic group with frequent turnovers of sex-determining mechanisms and thus provides us with great opportunities to investigate the molecular and evolutionary mechanisms underlying the turnover of sex-determining systems. Here, we compile recent studies on the diversity of sex-determination mechanisms in fish. We demonstrate that genes in the TGF-β signaling pathway are frequently used for master sex-determining (MSD) genes. MSD genes arise via two main mechanisms, duplication-and-transposition and allelic mutations, with a few exceptions. We also demonstrate that temperature influences sex determination in many fish species, even those with sex chromosomes, with higher temperatures inducing differentiation into males in most cases. Finally, we review theoretical models for the turnover of sex-determining mechanisms and discuss what questions remain elusive.
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Affiliation(s)
- Jun Kitano
- Ecological Genetics Laboratory, National Institute of Genetics, Mishima, Shizuoka, Japan;
| | - Satoshi Ansai
- Graduate School of Life Sciences, Tohoku University, Sendai, Miyagi, Japan
- Graduate School of Agriculture, Kyoto University, Kyoto, Japan;
| | - Yusuke Takehana
- Faculty of Bio-Science, Nagahama Institute of Bio-Science and Technology, Nagahama, Shiga, Japan;
| | - Yoji Yamamoto
- Department of Marine Biosciences, Tokyo University of Marine Science and Technology, Tokyo, Japan;
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Maekawa M, Yoshii E, Akase Y, Huang H, Yoshikawa S, Matsuda M, Kuruma Y, Sawayama E. Sex-Associated SNP Confirmation of Sex-Reversed Male Farmed Japanese Flounder Paralichthys olivaceus. MARINE BIOTECHNOLOGY (NEW YORK, N.Y.) 2023; 25:718-728. [PMID: 37541964 DOI: 10.1007/s10126-023-10235-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Accepted: 07/21/2023] [Indexed: 08/06/2023]
Abstract
Female Japanese flounder Paralichthys olivaceus grow more rapidly than the male. The goal of all-female commercial production requires an efficient method of genetic sex identification. We conducted genome-wide association analysis of female and male farmed Japanese flounder (n = 24 per phenotypic sex) and found all regions of chromosome 24 to be significantly associated with phenotypic sex, suggesting it as the sex chromosome. Genetic sex was identified based on single nucleotide polymorphisms (SNP) on chromosome 24 (n = 3568) using multidimensional scaling analysis, and individuals were clearly separated according to sex by the first dimension. The 61 SNPs most highly associated with sex were selected, and an amplicon-based SNP panel was developed. This was used to determine genetic sex of 39 females and 40 males. Eleven phenotypic males were assigned as female with XX genotype, suggesting sex reversal. Genetic sex was also assessed based on the indel of the amh gene promoter, which is the major candidate sex gene of Japanese flounder. We found four SNPs perfectly associated with genotypic sex in the sex-associated SNP panel, one of which was located in exon 2 of the amh gene. Along with the indel of the amh gene promoter, the sex-associated SNP panel will be of value in identifying genetic sex of farmed Japanese flounder. Molecular sexing will facilitate all-female production by breeding sex-reversed males.
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Affiliation(s)
- Mari Maekawa
- Department of Marine Science, College of Bioresource Sciences, Nihon University, Kanagawa, Japan
| | - Emiri Yoshii
- Department of Marine Science, College of Bioresource Sciences, Nihon University, Kanagawa, Japan
| | - Yuri Akase
- R&D Division, Marua Suisan Co., Ltd., Ehime, Japan
| | - He Huang
- Bioengineering Lab. Co., Ltd., Kanagawa, Japan
| | - Sota Yoshikawa
- Nagasaki Prefectural Institute of Fisheries, Nagasaki, Japan
| | | | - Yosuke Kuruma
- Nagasaki Prefectural Institute of Fisheries, Nagasaki, Japan
| | - Eitaro Sawayama
- Department of Marine Science, College of Bioresource Sciences, Nihon University, Kanagawa, Japan.
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Montanari S, Deng C, Koot E, Bassil NV, Zurn JD, Morrison-Whittle P, Worthington ML, Aryal R, Ashrafi H, Pradelles J, Wellenreuther M, Chagné D. A multiplexed plant-animal SNP array for selective breeding and species conservation applications. G3 (BETHESDA, MD.) 2023; 13:jkad170. [PMID: 37565490 PMCID: PMC10542201 DOI: 10.1093/g3journal/jkad170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Revised: 05/15/2023] [Accepted: 06/30/2023] [Indexed: 08/12/2023]
Abstract
Reliable and high-throughput genotyping platforms are of immense importance for identifying and dissecting genomic regions controlling important phenotypes, supporting selection processes in breeding programs, and managing wild populations and germplasm collections. Amongst available genotyping tools, single nucleotide polymorphism arrays have been shown to be comparatively easy to use and generate highly accurate genotypic data. Single-species arrays are the most commonly used type so far; however, some multi-species arrays have been developed for closely related species that share single nucleotide polymorphism markers, exploiting inter-species cross-amplification. In this study, the suitability of a multiplexed plant-animal single nucleotide polymorphism array, including both closely and distantly related species, was explored. The performance of the single nucleotide polymorphism array across species for diverse applications, ranging from intra-species diversity assessments to parentage analysis, was assessed. Moreover, the value of genotyping pooled DNA of distantly related species on the single nucleotide polymorphism array as a technique to further reduce costs was evaluated. Single nucleotide polymorphism performance was generally high, and species-specific single nucleotide polymorphisms proved suitable for diverse applications. The multi-species single nucleotide polymorphism array approach reported here could be transferred to other species to achieve cost savings resulting from the increased throughput when several projects use the same array, and the pooling technique adds another highly promising advancement to additionally decrease genotyping costs by half.
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Affiliation(s)
- Sara Montanari
- The New Zealand Institute for Plant and Food Research Ltd, Motueka 7198, New Zealand
| | - Cecilia Deng
- The New Zealand Institute for Plant and Food Research Ltd, Auckland 1025, New Zealand
| | - Emily Koot
- The New Zealand Institute for Plant and Food Research Ltd, Palmerston North 4410, New Zealand
| | - Nahla V Bassil
- USDA-ARS National Clonal Germplasm Repository, Corvallis, OR 97333, USA
| | - Jason D Zurn
- Department of Plant Pathology, Kansas State University, Manhattan, KS 66506, USA
| | | | | | - Rishi Aryal
- Department of Horticultural Science, North Carolina State University, Raleigh, NC 27695, USA
| | - Hamid Ashrafi
- Department of Horticultural Science, North Carolina State University, Raleigh, NC 27695, USA
| | | | - Maren Wellenreuther
- The New Zealand Institute for Plant and Food Research Ltd, Nelson 7010, New Zealand
- School of Biological Sciences, University of Auckland, Auckland 1010, New Zealand
| | - David Chagné
- The New Zealand Institute for Plant and Food Research Ltd, Palmerston North 4410, New Zealand
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Pickett BD, Glass JR, Johnson TP, Ridge PG, Kauwe JSK. The genome of a giant (trevally): Caranx ignobilis. GIGABYTE 2022; 2022:gigabyte67. [PMID: 36824527 PMCID: PMC9694125 DOI: 10.46471/gigabyte.67] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2022] [Accepted: 08/25/2022] [Indexed: 11/09/2022] Open
Abstract
Caranx ignobilis, commonly known as giant kingfish or giant trevally, is a large, reef-associated apex predator. It is a prized sportfish, targeted throughout its tropical and subtropical range in the Indian and Pacific Oceans. It also gained significant interest in aquaculture due to its unusual freshwater tolerance. Here, we present a draft assembly of the estimated 625.92 Mbp nuclear genome of a C. ignobilis individual from Hawaiian waters, which host a genetically distinct population. Our 97.4% BUSCO-complete assembly has a contig NG50 of 7.3 Mbp and a scaffold NG50 of 46.3 Mbp. Twenty-five of the 203 scaffolds contain 90% of the genome. We also present noisy, long-read DNA, Hi-C, and RNA-seq datasets, the latter containing eight distinct tissues and can help with annotations and studies of freshwater tolerance. Our genome assembly and its supporting data are valuable tools for ecological and comparative genomics studies of kingfishes and other carangoid fishes.
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Affiliation(s)
| | - Jessica R. Glass
- South African Institute for Aquatic Biodiversity, Makhanda, South Africa,College of Fisheries and Ocean Sciences, University of Alaska Fairbanks, Fairbanks, Alaska, USA
| | | | - Perry G. Ridge
- Department of Biology, Brigham Young University, Provo, Utah, USA
| | - John S. K. Kauwe
- Department of Biology, Brigham Young University, Provo, Utah, USA,Brigham Young University – Hawai‘i, Laie, Hawai‘i, USA, Corresponding author. E-mail:
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Li XY, Mei J, Ge CT, Liu XL, Gui JF. Sex determination mechanisms and sex control approaches in aquaculture animals. SCIENCE CHINA. LIFE SCIENCES 2022; 65:1091-1122. [PMID: 35583710 DOI: 10.1007/s11427-021-2075-x] [Citation(s) in RCA: 34] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Accepted: 01/14/2022] [Indexed: 01/21/2023]
Abstract
Aquaculture is one of the most efficient modes of animal protein production and plays an important role in global food security. Aquaculture animals exhibit extraordinarily diverse sexual phenotypes and underlying mechanisms, providing an ideal system to perform sex determination research, one of the important areas in life science. Moreover, sex is also one of the most valuable traits because sexual dimorphism in growth, size, and other economic characteristics commonly exist in aquaculture animals. Here, we synthesize current knowledge of sex determination mechanisms, sex chromosome evolution, reproduction strategies, and sexual dimorphism, and also review several approaches for sex control in aquaculture animals, including artificial gynogenesis, application of sex-specific or sex chromosome-linked markers, artificial sex reversal, as well as gene editing. We anticipate that better understanding of sex determination mechanisms and innovation of sex control approaches will facilitate sustainable development of aquaculture.
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Affiliation(s)
- Xi-Yin Li
- State Key Laboratory of Freshwater Ecology and Biotechnology, Hubei Hongshan Laboratory, The Innovative Academy of Seed Design, Institute of Hydrobiology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Wuhan, 430072, China
| | - Jie Mei
- College of Fisheries, Hubei Hongshan Laboratory, Huazhong Agricultural University, Wuhan, 430070, China
| | - Chu-Tian Ge
- College of Biological and Environmental Sciences, Zhejiang Wanli University, Ningbo, 315100, China
| | - Xiao-Li Liu
- Key Laboratory of Tropical & Subtropical Fishery Resource Application & Cultivation of Ministry of Agriculture and Rural Affairs, Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, 510380, China
| | - Jian-Fang Gui
- State Key Laboratory of Freshwater Ecology and Biotechnology, Hubei Hongshan Laboratory, The Innovative Academy of Seed Design, Institute of Hydrobiology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Wuhan, 430072, China.
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Valenza‐Troubat N, Davy M, Storey R, Wylie MJ, Hilario E, Ritchie P, Wellenreuther M. Differential expression analyses reveal extensive transcriptional plasticity induced by temperature in New Zealand silver trevally ( Pseudocaranx georgianus). Evol Appl 2022; 15:237-248. [PMID: 35233245 PMCID: PMC8867707 DOI: 10.1111/eva.13332] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Revised: 10/26/2021] [Accepted: 10/29/2021] [Indexed: 12/01/2022] Open
Abstract
Ectotherm species, such as marine fishes, depend on environmental temperature to regulate their vital functions. In finfish aquaculture production, being able to predict physiological responses in growth and other economic traits to temperature is crucial to address challenges inherent in the selection of grow-out locations. This will become an even more significant issue under the various predicted future climate change scenarios. In this study, we used the marine teleost silver trevally (Pseudocaranx georgianus), a species currently being explored as a candidate for aquaculture in New Zealand, as a model to study plasticity in gene expression patterns and growth in response to different temperatures. Using a captive study population, temperature conditions were experimentally manipulated for 1 month to mimic seasonal extremes. Phenotypic differences in growth were measured in 400 individuals, and gene expression patterns of pituitary gland and liver were determined in a subset of 100 individuals. Results showed that growth increased 50% in the warmer compared with the colder condition, suggesting that temperature has a large impact on metabolic activities associated with growth. A total of 265,116,678 single-end RNA sequence reads were aligned to the trevally genome, and 28,416 transcript models were developed (27,887 of these had GenBank accessions, and 17,980 unique gene symbols). Further filtering reduced this set to 8597 gene models. 39 and 238 differentially expressed genes (DEGs) were found in the pituitary gland and the liver, respectively (|log2FC| > 0.26, p-value < 0.05). Of these, 6 DEGs showed a common expression pattern between both tissues, all involved in housekeeping functions. Temperature-modulated growth responses were linked to major pathways affecting metabolism, cell regulation and signalling, previously shown to be important for temperature tolerance in other fish species. An interesting finding of this study was that genes linked to the reproductive system were up-regulated in both tissues in the high treatment, indicating the onset of sexual maturation. Few studies have investigated the thermal plasticity of the gene expression in the main organs of the somatotropic axis simultaneously. Our findings indicate that trevally exhibit substantial growth differences and predictable plastic regulatory responses to different temperature conditions. We identified a set of genes that provide a list of candidates for further investigations for selective breeding objectives and how populations may adapt to increasing temperatures.
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Affiliation(s)
| | - Marcus Davy
- The New Zealand Institute for Plant and Food Research LimitedTe PukeNew Zealand
| | - Roy Storey
- The New Zealand Institute for Plant and Food Research LimitedTe PukeNew Zealand
| | - Matthew J. Wylie
- The New Zealand Institute for Plant and Food Research LimitedNelsonNew Zealand
| | - Elena Hilario
- The New Zealand Institute for Plant and Food Research LimitedTe PukeNew Zealand
| | - Peter Ritchie
- School of Biological SciencesVictoria University of WellingtonWellingtonNew Zealand
| | - Maren Wellenreuther
- The New Zealand Institute for Plant and Food Research LimitedNelsonNew Zealand
- School of Biological SciencesUniversity of AucklandAucklandNew Zealand
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