Long-read genome assemblies reveal a cis-regulatory landscape associated with phenotypic divergence in two sister Siniperca fish species
Due to the difficulty in accurately identifying structural variants (SVs) across genomes, their impact on cis-regulatory divergence of closely related species, especially fish, remains to be explored. Recently identified broad H3K4me3 domains are essential for the regulation of genes involved in several biological processes. However, the role of broad H3K4me3 domains in phenotypic divergence remains poorly understood. Siniperca chuatsi and S. scherzeri are closely related but divergent in several phenotypic traits, making them an ideal model to study cis-regulatory evolution in sister species. Here, we generated chromosome-level genomes of S. chuatsi and S. scherzeri, with assembled genome sizes of 716.35 and 740.54 Mb, respectively. The evolutionary histories of S. chuatsi and S. scherzeri were studied by inferring dynamic changes in ancestral population sizes. To explore the genetic basis of adaptation in S. chuatsi and S. scherzeri, we performed gene family expansion and contraction analysis and identified positively selected genes (PSGs). To investigate the role of SVs in cis-regulatory divergence of closely related fish species, we identified high-quality SVs as well as divergent H3K27ac and H3K4me3 domains in the genomes of S. chuatsi and S. scherzeri. Integrated analysis revealed that cis-regulatory divergence caused by SVs played an essential role in phenotypic divergence between S. chuatsi and S. scherzeri. Additionally, divergent broad H3K4me3 domains were mostly associated with cancer-related genes in S. chuatsi and S. scherzeri and contributed to their phenotypic divergence.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:44 |
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| Enthalten in: |
Zoological research - 44(2023), 2 vom: 18. März, Seite 287-302 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Tu, Guang-Xian [VerfasserIn] |
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| Links: |
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| Themen: |
Broad H3K4me3 |
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| Anmerkungen: |
Date Completed 15.02.2023 Date Revised 12.04.2023 published: Print BioProject: PRJNA867131 Citation Status MEDLINE |
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| doi: |
10.24272/j.issn.2095-8137.2022.462 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 245 | 1 | 0 | |a Long-read genome assemblies reveal a cis-regulatory landscape associated with phenotypic divergence in two sister Siniperca fish species |
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| 520 | |a Due to the difficulty in accurately identifying structural variants (SVs) across genomes, their impact on cis-regulatory divergence of closely related species, especially fish, remains to be explored. Recently identified broad H3K4me3 domains are essential for the regulation of genes involved in several biological processes. However, the role of broad H3K4me3 domains in phenotypic divergence remains poorly understood. Siniperca chuatsi and S. scherzeri are closely related but divergent in several phenotypic traits, making them an ideal model to study cis-regulatory evolution in sister species. Here, we generated chromosome-level genomes of S. chuatsi and S. scherzeri, with assembled genome sizes of 716.35 and 740.54 Mb, respectively. The evolutionary histories of S. chuatsi and S. scherzeri were studied by inferring dynamic changes in ancestral population sizes. To explore the genetic basis of adaptation in S. chuatsi and S. scherzeri, we performed gene family expansion and contraction analysis and identified positively selected genes (PSGs). To investigate the role of SVs in cis-regulatory divergence of closely related fish species, we identified high-quality SVs as well as divergent H3K27ac and H3K4me3 domains in the genomes of S. chuatsi and S. scherzeri. Integrated analysis revealed that cis-regulatory divergence caused by SVs played an essential role in phenotypic divergence between S. chuatsi and S. scherzeri. Additionally, divergent broad H3K4me3 domains were mostly associated with cancer-related genes in S. chuatsi and S. scherzeri and contributed to their phenotypic divergence | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Broad H3K4me3 | |
| 650 | 4 | |a H3K27ac | |
| 650 | 4 | |a Siniperca chuatsi | |
| 650 | 4 | |a Siniperca scherzeri | |
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| 650 | 4 | |a cis-regulatory divergence | |
| 700 | 1 | |a Zhang, Xin-Shuang |e verfasserin |4 aut | |
| 700 | 1 | |a Jiang, Rui-Run |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Long |e verfasserin |4 aut | |
| 700 | 1 | |a Lai, Cheng-Jun |e verfasserin |4 aut | |
| 700 | 1 | |a Yan, Zhu-Yue |e verfasserin |4 aut | |
| 700 | 1 | |a Lv, Yan-Rong |e verfasserin |4 aut | |
| 700 | 1 | |a Weng, Shao-Ping |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Li |e verfasserin |4 aut | |
| 700 | 1 | |a He, Jian-Guo |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Muhua |e verfasserin |4 aut | |
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