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Cao L, Chen P, Hou X, Ma J, Yang N, Lu Y, Huang H. rDNA and mtDNA analysis for the identification of genetic characters in the hybrid grouper derived from hybridization of Cromileptes altivelis (female) × Epinephelus lanceolatus (male). BMC Genom Data 2024; 25:5. [PMID: 38216865 PMCID: PMC10787421 DOI: 10.1186/s12863-023-01188-5] [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: 08/09/2023] [Accepted: 12/20/2023] [Indexed: 01/14/2024] Open
Abstract
BACKGROUND Hybridization is a useful strategy to produce offspring with more desirable phenotypic characteristics than those of parents. The hybrid grouper derived from the cross of Cromileptes altivelis (♀, 2n = 48) with Epinephelus lanceolatus (♂, 2n = 48) exhibits improved growth compared with its female parent, which makes it valuable to aquaculture. However, the genetic traits of the hybrid grouper are poorly understood. RESULTS The observations showed that the hybrid grouper was diploid (2n = 48) and displayed intermediate morphology with the parent's measurable characteristics. The ribosomal DNA (rDNA) and mitochondria DNA (mtDNA) were characterized at molecular and phylogenetic level. High similarity and low genetic distance of 5S rDNA and mtDNA sequences between the hybrid grouper and C. altivelis showed that the hybrid grouper had a closer genetic relationship with female parents. The reconstructed phylogenetic tree based on COI gene and D-loop region of mtDNA recovered that mtDNA was maternally inherited in the hybrid grouper. Additionally, the DNA methylation level of 5S rDNA intergenic spacers (IGS) sequence was tested in here. The results showed that the DNA methylation status of the hybrid grouper was significantly lower than that of C. altivelis. CONCLUSION Results of this study provide important data on the genetic characteristics of the hybrid derived from the cross of C. altivelis and E. lanceolatus, and contribute the knowledge of both evolution and marine fish breeding.
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Affiliation(s)
- Liu Cao
- Yazhou Bay Innovation Institute, Sanya, 572022, China
- Key Laboratory of Utilization and Conservation for Tropical Marine Bioresources of Ministry of Education, Sanya, 572022, China
- Hainan Key Laboratory for Conservation and Utilization of Tropical Marine Fishery Resources, Sanya, 572022, China
- Hainan Tropical Ocean University, Sanya, 572022, China
| | - Pan Chen
- Key Laboratory of Utilization and Conservation for Tropical Marine Bioresources of Ministry of Education, Sanya, 572022, China
- Hainan Key Laboratory for Conservation and Utilization of Tropical Marine Fishery Resources, Sanya, 572022, China
- Hainan Tropical Ocean University, Sanya, 572022, China
| | - Xingrong Hou
- Yazhou Bay Innovation Institute, Sanya, 572022, China
- Key Laboratory of Utilization and Conservation for Tropical Marine Bioresources of Ministry of Education, Sanya, 572022, China
- Hainan Key Laboratory for Conservation and Utilization of Tropical Marine Fishery Resources, Sanya, 572022, China
- Hainan Tropical Ocean University, Sanya, 572022, China
| | - Jun Ma
- Yazhou Bay Innovation Institute, Sanya, 572022, China
- Key Laboratory of Utilization and Conservation for Tropical Marine Bioresources of Ministry of Education, Sanya, 572022, China
- Hainan Key Laboratory for Conservation and Utilization of Tropical Marine Fishery Resources, Sanya, 572022, China
- Hainan Tropical Ocean University, Sanya, 572022, China
| | - Ning Yang
- Yazhou Bay Innovation Institute, Sanya, 572022, China
- Key Laboratory of Utilization and Conservation for Tropical Marine Bioresources of Ministry of Education, Sanya, 572022, China
- Hainan Key Laboratory for Conservation and Utilization of Tropical Marine Fishery Resources, Sanya, 572022, China
- Hainan Tropical Ocean University, Sanya, 572022, China
| | - Yan Lu
- Hainan Tropical Ocean University, Sanya, 572022, China
| | - Hai Huang
- Yazhou Bay Innovation Institute, Sanya, 572022, China.
- Key Laboratory of Utilization and Conservation for Tropical Marine Bioresources of Ministry of Education, Sanya, 572022, China.
- Hainan Key Laboratory for Conservation and Utilization of Tropical Marine Fishery Resources, Sanya, 572022, China.
- Hainan Tropical Ocean University, Sanya, 572022, China.
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Cao L, Chen P, Hou X, Ma J, Yang N, Xu Y, Zhang Y, Zhao A, Zhang J, Li X, Huang H. Genetic characteristics and growth patterns of the hybrid grouper derived from the hybridization of Epinephelus fuscoguttatus (female) × Epinephelus polyphekadion (male). JOURNAL OF FISH BIOLOGY 2023; 102:328-339. [PMID: 36317644 DOI: 10.1111/jfb.15263] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Accepted: 10/23/2022] [Indexed: 06/16/2023]
Abstract
Hybridization is one of the primary methods used to cultivate farmed grouper species. The hybrid grouper derived from crossing Epinephelus fuscoguttatus (♀) and E. polyphekadion (♂) exhibits growth superiority over its parents. The genetic characteristics and growth patterns of the hybrid grouper have not yet been defined. This study confirms the ploidy level of the hybrid grouper (2n = 48) using chromosome count analysis and flow cytometry. The 5S rDNA family was used to evaluate genetic diversity. Only one 5S class (~400 bp) was detected in the hybrid grouper, which could be used to distinguish between two different types based on nucleotide sequences, likely representing homologous unit classes from the female and male parental species. Growth patterns of 5-8-month-old hybrid groupers were also monitored. In this phase, a positive allometric growth pattern in body mass with total length was found. Body height and body mass were significantly correlated based on correlation and path coefficient, suggesting that body height could serve as an excellent index to increase body mass. These results aid our understanding of the genetic evolution of the hybrid grouper and inform the development of improved rearing techniques.
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Affiliation(s)
- Liu Cao
- Key Laboratory of Utilization and Conservation for Tropical Marine Bioresources of Ministry of Education, Sanya, China
- Hainan Key Laboratory for Conservation and Utilization of Tropical Marine Fishery Resources, Sanya, China
- Yazhou Bay Innovation Institute, Sanya, China
- Hainan Tropical Ocean University, Sanya, China
| | - Pan Chen
- Key Laboratory of Utilization and Conservation for Tropical Marine Bioresources of Ministry of Education, Sanya, China
- Hainan Key Laboratory for Conservation and Utilization of Tropical Marine Fishery Resources, Sanya, China
- Yazhou Bay Innovation Institute, Sanya, China
- Hainan Tropical Ocean University, Sanya, China
| | - Xingrong Hou
- Key Laboratory of Utilization and Conservation for Tropical Marine Bioresources of Ministry of Education, Sanya, China
- Hainan Key Laboratory for Conservation and Utilization of Tropical Marine Fishery Resources, Sanya, China
- Yazhou Bay Innovation Institute, Sanya, China
- Hainan Tropical Ocean University, Sanya, China
| | - Jun Ma
- Key Laboratory of Utilization and Conservation for Tropical Marine Bioresources of Ministry of Education, Sanya, China
- Hainan Key Laboratory for Conservation and Utilization of Tropical Marine Fishery Resources, Sanya, China
- Yazhou Bay Innovation Institute, Sanya, China
- Hainan Tropical Ocean University, Sanya, China
| | - Ning Yang
- Key Laboratory of Utilization and Conservation for Tropical Marine Bioresources of Ministry of Education, Sanya, China
- Hainan Key Laboratory for Conservation and Utilization of Tropical Marine Fishery Resources, Sanya, China
- Yazhou Bay Innovation Institute, Sanya, China
- Hainan Tropical Ocean University, Sanya, China
| | - Yanping Xu
- Hainan Tropical Ocean University, Sanya, China
| | | | - Anqi Zhao
- Hainan Tropical Ocean University, Sanya, China
| | | | - Xinyu Li
- Hainan Tropical Ocean University, Sanya, China
| | - Hai Huang
- Key Laboratory of Utilization and Conservation for Tropical Marine Bioresources of Ministry of Education, Sanya, China
- Hainan Key Laboratory for Conservation and Utilization of Tropical Marine Fishery Resources, Sanya, China
- Yazhou Bay Innovation Institute, Sanya, China
- Hainan Tropical Ocean University, Sanya, China
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Targueta CP, Gatto KP, Vittorazzi SE, Recco-Pimentel SM, Lourenço LB. High diversity of 5S ribosomal DNA and evidence of recombination with the satellite DNA PcP190 in frogs. Gene 2022; 851:147015. [DOI: 10.1016/j.gene.2022.147015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Revised: 09/25/2022] [Accepted: 10/25/2022] [Indexed: 11/04/2022]
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Azambuja M, Orane Schemberger M, Nogaroto V, Moreira-Filho O, Martins C, Ricardo Vicari M. Major and minor U small nuclear RNAs genes characterization in a neotropical fish genome: Chromosomal remodeling and repeat units dispersion in Parodontidae. Gene 2022; 826:146459. [PMID: 35358649 DOI: 10.1016/j.gene.2022.146459] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Revised: 01/15/2022] [Accepted: 03/25/2022] [Indexed: 11/29/2022]
Abstract
In association with many proteins, small nuclear RNAs (snRNAs) organize the spliceosomes that play a significant role in processing precursor mRNAs during gene expression. According to snRNAs genic arrangements, two kinds of spliceosomes (major and minor) can be organized into eukaryotic cells. Although in situ localization of U1 and U2 snDNAs have been performed in fish karyotypes, studies with genomic characterization and functionality of U snRNAs integrated into chromosomal changes on Teleostei are still scarce. This study aimed to achieve a genomic characterization of the U snRNAs genes in Apareiodon sp. (2n = 54, ZZ/ZW), apply these data to recognize functional/defective copies, and map chromosomal changes involving snDNAs in Parodontidae species karyotype diversification. Nine snRNA multigene families (U1, U2, U4, U5, U6, U11, U12, U4atac and U6atac) arranged in putatively functional copies in the genome were analyzed. Proximal Sequence Elements (PSE) and TATA-box promoters occurrence, besides an entire transcribed region and conserved secondary structures, qualify them for spliceosome activity. In addition, several defective copies or pseudogenes were identified for the snRNAs that make up the major spliceosome. In situ localization of snDNAs in five species of Parodontidae demonstrated that U1, U2, and U4 snDNAs were involved in chromosomal location changes or units dispersion. The U snRNAs defective/pseudogenes units dispersion could be favored by the probable occurrence of active retrotransposition enzymes in the Apareiodon genome. The U2 and U4 snDNAs sites were involved in independent events in the differentiation of sex chromosomes among Parodontidae lineages. The study characterized U snRNA genes that compose major and minor spliceosomes in the Apareiodon sp. genome and proposes that their defective copies trigger chromosome differentiation and diversification events in Parodontidae.
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Affiliation(s)
- Matheus Azambuja
- Programa de Pós-Graduação em Genética, Universidade Federal do Paraná, Centro Politécnico, Avenida Coronel Francisco H. dos Santos, 100, 81531-990 Curitiba, Paraná, Brazil.
| | - Michelle Orane Schemberger
- Programa de Pós-Graduação em Genética, Universidade Federal do Paraná, Centro Politécnico, Avenida Coronel Francisco H. dos Santos, 100, 81531-990 Curitiba, Paraná, Brazil.
| | - Viviane Nogaroto
- Departamento de Biologia Estrutural, Molecular e Genética, Universidade Estadual de Ponta Grossa, Av. Carlos Cavalcanti, 4748, 84030-900 Ponta Grossa, Paraná, Brazil.
| | - Orlando Moreira-Filho
- Departamento de Genética e Evolução, Universidade Federal de São Carlos, Rodovia Washington Luís, Km 235, 13565-905 São Carlos, São Paulo, Brazil.
| | - Cesar Martins
- Departamento de Morfologia, Instituto de Biociências de Botucatu, Universidade Estadual Paulista, Distrito de Rubião Júnior, s/n, 18618-689 Botucatu, São Paulo, Brazil.
| | - Marcelo Ricardo Vicari
- Programa de Pós-Graduação em Genética, Universidade Federal do Paraná, Centro Politécnico, Avenida Coronel Francisco H. dos Santos, 100, 81531-990 Curitiba, Paraná, Brazil; Departamento de Biologia Estrutural, Molecular e Genética, Universidade Estadual de Ponta Grossa, Av. Carlos Cavalcanti, 4748, 84030-900 Ponta Grossa, Paraná, Brazil.
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Li J, Guo J, Wei C, Meng Y, Wang X, Yu P, Yang L, Liang Y, Guo S, Yuan J. A set of sampling, preparation, and staining techniques for studying meiosis in cucumber. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2022; 319:111245. [PMID: 35487654 DOI: 10.1016/j.plantsci.2022.111245] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Revised: 03/01/2022] [Accepted: 03/03/2022] [Indexed: 06/14/2023]
Abstract
The development of genetic and genomic resources for biological studies in cucumber has experienced an unprecedented boom in recent years. To investigate the function of putative meiotic genes and germplasm in breeding programs, an accurate cytogenetic characterization is required. Cytological methods and reference to investigate meiosis in cucumber are limited at present. Here we provide a set of cytological techniques that have been adapted for the study of meiosis in cucumber. The meiotic stages can be identified with high precision using hierarchical criteria from developing buds, undisturbed meiocytes, and freshly stained chromosomes. A meiotic cytological atlas of all stages is presented as a reference for identifying particular stages and for comparison of meiosis between normal and mutant plants. We performed a comparative analysis of the distribution of cytoplasmic organelles between cucumber and Arabidopsis, and we described a highly nonsynchronous condensation of chromosome parts during diplotene. A simplified fluorescence in situ hybridization (FISH) protocol, using robustly spread chromosomes, were developed. In addition, we designed a single oligonucleotide probe for 5S rDNA to use in karyotyping and monitoring of homologous chromosome pairing, which will make FISH analysis of 5S rDNA easier and more economical.
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Affiliation(s)
- Junhua Li
- College of Life Sciences, Henan Normal University, Xinxiang 453007, China.
| | - Jinjin Guo
- College of Life Sciences, Henan Normal University, Xinxiang 453007, China
| | - Chenchen Wei
- College of Life Sciences, Henan Normal University, Xinxiang 453007, China
| | - Yao Meng
- College of Life Sciences, Henan Normal University, Xinxiang 453007, China
| | - Xiaoduan Wang
- College of Life Sciences, Henan Normal University, Xinxiang 453007, China
| | - Panpan Yu
- College of Life Sciences, Henan Normal University, Xinxiang 453007, China
| | - Lin Yang
- College of Life Sciences, Henan Normal University, Xinxiang 453007, China
| | - Yi Liang
- College of Life Sciences, Henan Normal University, Xinxiang 453007, China
| | - Siyi Guo
- State Key Laboratory of Crop Stress Adaptation and Improvement, School of Life Sciences, Henan University, Kaifeng 475004, China
| | - Jinhong Yuan
- College of Life Sciences, Henan Normal University, Xinxiang 453007, China.
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Mishina T, Takeshima H, Takada M, Iguchi K, Zhang C, Zhao Y, Kawahara-Miki R, Hashiguchi Y, Tabata R, Sasaki T, Nishida M, Watanabe K. Interploidy gene flow involving the sexual-asexual cycle facilitates the diversification of gynogenetic triploid Carassius fish. Sci Rep 2021; 11:22485. [PMID: 34795357 PMCID: PMC8602411 DOI: 10.1038/s41598-021-01754-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Accepted: 10/28/2021] [Indexed: 11/23/2022] Open
Abstract
Asexual vertebrates are rare and at risk of extinction due to their restricted adaptability through the loss of genetic recombination. We explore the mechanisms behind the generation and maintenance of genetic diversity in triploid asexual (gynogenetic) Carassius auratus fish, which is widespread in East Asian fresh waters and exhibits one of the most extensive distribution among asexual vertebrates despite its dependence on host sperm. Our analyses of genetic composition using dozens of genetic markers and genome-wide transcriptome sequencing uncover admixed genetic composition of Japanese asexual triploid Carassius consisting of both the diverged Japanese and Eurasian alleles, suggesting the involvement of Eurasian lineages in its origin. However, coexisting sexual diploid relatives and asexual triploids in Japan show regional genetic similarity in both mitochondrial and nuclear markers. These results are attributed to a unique unidirectional gene flow from diploids to sympatric triploids, with the involvement of occasional sexual reproduction. Additionally, the asexual triploid shows a weaker population structure than the sexual diploid, and multiple triploid lineages coexist in most Japanese rivers. The generated diversity via repeated interploidy gene flow as well as an increased establishment of immigrants is assumed to offset the cost of asexual reproduction and might contribute to the successful broad distribution of this asexual vertebrate.
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Affiliation(s)
- Tappei Mishina
- Laboratory of Animal Ecology, Graduate School of Science, Kyoto University, Sakyo-ku, Kyoto, 606-8502, Japan.
- Laboratory for Chromosome Segregation, RIKEN Center for Biosystems Dynamics Research, Chuo-ku, Kobe, 650-0047, Japan.
| | - Hirohiko Takeshima
- Research Institute for Humanity and Nature, Kita-ku, Kyoto, 603-8047, Japan
- Department of Marine Biology, Tokai University, Shimizu, Shizuoka, 424-8610, Japan
| | - Mikumi Takada
- Atmosphere and Ocean Research Institute, University of Tokyo, Kashiwa, Chiba, 277-8564, Japan
| | - Kei'ichiro Iguchi
- Graduate School of Fisheries and Environmental Sciences, Nagasaki University, Nagasaki, 852-8521, Japan
| | - Chunguang Zhang
- Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, Chaoyang District, Beijing, 100101, China
| | - Yahui Zhao
- Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, Chaoyang District, Beijing, 100101, China
| | - Ryouka Kawahara-Miki
- NODAI Genome Research Center, Tokyo University of Agriculture, Setagaya-ku, Tokyo, 156-8502, Japan
| | - Yasuyuki Hashiguchi
- Department of Biology, Osaka Medical and Pharmaceutical University, Takatsuki, Osaka, 569-0801, Japan
| | - Ryoichi Tabata
- Laboratory of Animal Ecology, Graduate School of Science, Kyoto University, Sakyo-ku, Kyoto, 606-8502, Japan
- Lake Biwa Museum, 1091 Oroshimo, Kusatsu, Shiga, 525-0001, Japan
| | - Takeshi Sasaki
- Graduate School of Human and Animal-Plant Relationships, Tokyo University of Agriculture, Atsugi, Kanagawa, 243-0034, Japan
| | - Mutsumi Nishida
- University of the Ryukyus, Nakagami-gun, Okinawa, 903-0213, Japan
| | - Katsutoshi Watanabe
- Laboratory of Animal Ecology, Graduate School of Science, Kyoto University, Sakyo-ku, Kyoto, 606-8502, Japan.
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Zhao C, Zhang Y, Qin H, Wang C, Huang X, Yang L, Yu T, Xu X, Luo X, Qin Q, Liu S. Organization and expression analysis of 5S and 45S ribosomal DNA clusters in autotetraploid Carassius auratus. BMC Ecol Evol 2021; 21:201. [PMID: 34740327 PMCID: PMC8569995 DOI: 10.1186/s12862-021-01918-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Accepted: 09/24/2021] [Indexed: 12/03/2022] Open
Abstract
Background Autotetraploid Carassius auratus (4n = 200, RRRR) (abbreviated as 4nRR) is derived from whole genome duplication of Carassius auratus red var. (2n = 100, RR) (abbreviated as RCC). Ribosome DNA (rDNA) is often used to study molecular evolution of repeated sequences because it has high copy number and special conserved coding regions in genomes. In this study, we analysed the sequences (5S, ITS1-5.8S-ITS2 region), structure, methylation level (NTS and IGS), and expression level (5S and 18S) of 5S and 45S ribosomal RNA (rRNA) genes in 4nRR and RCC in order to elucidate the effects of autotetraploidization on rDNA in fish. Results Results showed that there was high sequence similarity of 5S, 5.8S and ITS1 region between 4nRR and RCC. This study also identified two different types of ITS2 region in 4nRR and predicted the secondary structure of ITS2. It turns out that both secondary structures are functional. Compared with RCC, there was no significant difference in NTS (5S rRNA) methylation level, but the expression level of 5S rRNA was lower in 4nRR, indicating that methylation had little effect on the expression level in 4nRR. IGS (45S rRNA) was hypermethylated in 4nRR compared to RCC, but the expression of 18S rRNA gene was no significantly different from that in RCC, indicating that methylation regulation affected gene expression in 4nRR. Conclusion The above studies initially revealed the effects of autotetraploidization on the structure and function of 5S and 45S rRNA in Carassius auratus, and provided a theoretical support for the systematic study of the evolution pattern and characteristics of rDNA in vertebrates.
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Affiliation(s)
- Chun Zhao
- State Key Laboratory of Developmental Biology of Freshwater Fish, Engineering Research Center of Polyploid Fish Reproduction and Breeding of the State Education Ministry, College of Life Sciences, Hunan Normal University, Changsha, 410081, Hunan, People's Republic of China
| | - Yuxin Zhang
- State Key Laboratory of Developmental Biology of Freshwater Fish, Engineering Research Center of Polyploid Fish Reproduction and Breeding of the State Education Ministry, College of Life Sciences, Hunan Normal University, Changsha, 410081, Hunan, People's Republic of China
| | - Huan Qin
- State Key Laboratory of Developmental Biology of Freshwater Fish, Engineering Research Center of Polyploid Fish Reproduction and Breeding of the State Education Ministry, College of Life Sciences, Hunan Normal University, Changsha, 410081, Hunan, People's Republic of China
| | - Chongqing Wang
- State Key Laboratory of Developmental Biology of Freshwater Fish, Engineering Research Center of Polyploid Fish Reproduction and Breeding of the State Education Ministry, College of Life Sciences, Hunan Normal University, Changsha, 410081, Hunan, People's Republic of China
| | - Xu Huang
- State Key Laboratory of Developmental Biology of Freshwater Fish, Engineering Research Center of Polyploid Fish Reproduction and Breeding of the State Education Ministry, College of Life Sciences, Hunan Normal University, Changsha, 410081, Hunan, People's Republic of China
| | - Li Yang
- State Key Laboratory of Developmental Biology of Freshwater Fish, Engineering Research Center of Polyploid Fish Reproduction and Breeding of the State Education Ministry, College of Life Sciences, Hunan Normal University, Changsha, 410081, Hunan, People's Republic of China
| | - Tingting Yu
- State Key Laboratory of Developmental Biology of Freshwater Fish, Engineering Research Center of Polyploid Fish Reproduction and Breeding of the State Education Ministry, College of Life Sciences, Hunan Normal University, Changsha, 410081, Hunan, People's Republic of China
| | - Xidan Xu
- State Key Laboratory of Developmental Biology of Freshwater Fish, Engineering Research Center of Polyploid Fish Reproduction and Breeding of the State Education Ministry, College of Life Sciences, Hunan Normal University, Changsha, 410081, Hunan, People's Republic of China
| | - Xiang Luo
- State Key Laboratory of Developmental Biology of Freshwater Fish, Engineering Research Center of Polyploid Fish Reproduction and Breeding of the State Education Ministry, College of Life Sciences, Hunan Normal University, Changsha, 410081, Hunan, People's Republic of China
| | - Qinbo Qin
- State Key Laboratory of Developmental Biology of Freshwater Fish, Engineering Research Center of Polyploid Fish Reproduction and Breeding of the State Education Ministry, College of Life Sciences, Hunan Normal University, Changsha, 410081, Hunan, People's Republic of China.
| | - Shaojun Liu
- State Key Laboratory of Developmental Biology of Freshwater Fish, Engineering Research Center of Polyploid Fish Reproduction and Breeding of the State Education Ministry, College of Life Sciences, Hunan Normal University, Changsha, 410081, Hunan, People's Republic of China.
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