High-quality reannotation of the king scallop genome reveals no ‘gene-rich’ feature and evolution of toxin resistance
The king scallop, Pecten maximus is a well-known, commercially important scallop species and is featured with remarkable tolerance to potent phytotoxins such as domoic acid. A high-quality genome can shed light on its biology and innovative evolution of toxin resistance. A reference genome has recen...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Qifan Zeng [verfasserIn] Jing Liu [verfasserIn] Chunde Wang [verfasserIn] Hao Wang [verfasserIn] Lingling Zhang [verfasserIn] Jingjie Hu [verfasserIn] Lisui Bao [verfasserIn] Shi Wang [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2021 |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
In: Computational and Structural Biotechnology Journal - Elsevier, 2013, 19(2021), Seite 4954-4960 |
|---|---|
| Übergeordnetes Werk: |
volume:19 ; year:2021 ; pages:4954-4960 |
| Links: |
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| DOI / URN: |
10.1016/j.csbj.2021.08.038 |
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| 520 | |a The king scallop, Pecten maximus is a well-known, commercially important scallop species and is featured with remarkable tolerance to potent phytotoxins such as domoic acid. A high-quality genome can shed light on its biology and innovative evolution of toxin resistance. A reference genome has recently been published for P. maximus, however, it is suspicious that over 67,700 genes are annotated in this genome, which is unexpectedly larger than its close relatives of pectinids. Herein, we provide an improved high-quality chromosome-level reference genome assembly and annotation for the king scallop P. maximus. A final set of 26,995 genes is annotated after carefully checking and curation of the predicted gene models, which significantly improves the accuracy of gene structure information. The large number of gene duplicates in the previous genome is mainly distorted by the fragmented annotation. Through integrated genomic, evolutionary and transcriptomic analyses, we reveal that the Phi subfamily of ionotropic glutamate receptors (iGluRs) are well preserved in molluscs, and P. maximus experienced the rapid expansion of the Phi class of iGluR (GluF) gene family. The GluF genes exhibit ubiquitously high expression and altered sequence characteristics for ligand selectivity, which may contribute to the remarkable tolerance to neurotoxins in P. maximus. Taken together, our study disapproves the previous claim of the 'gene-rich' genome of this species and provides a high-quality genome assembly for further understanding of its biology and evolution of toxin resistance. | ||
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10.1016/j.csbj.2021.08.038 doi (DE-627)DOAJ073412740 (DE-599)DOAJ0a302ee8a90a44cbad3244e6bd2f8a16 DE-627 ger DE-627 rakwb eng TP248.13-248.65 Qifan Zeng verfasserin aut High-quality reannotation of the king scallop genome reveals no ‘gene-rich’ feature and evolution of toxin resistance 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The king scallop, Pecten maximus is a well-known, commercially important scallop species and is featured with remarkable tolerance to potent phytotoxins such as domoic acid. A high-quality genome can shed light on its biology and innovative evolution of toxin resistance. A reference genome has recently been published for P. maximus, however, it is suspicious that over 67,700 genes are annotated in this genome, which is unexpectedly larger than its close relatives of pectinids. Herein, we provide an improved high-quality chromosome-level reference genome assembly and annotation for the king scallop P. maximus. A final set of 26,995 genes is annotated after carefully checking and curation of the predicted gene models, which significantly improves the accuracy of gene structure information. The large number of gene duplicates in the previous genome is mainly distorted by the fragmented annotation. Through integrated genomic, evolutionary and transcriptomic analyses, we reveal that the Phi subfamily of ionotropic glutamate receptors (iGluRs) are well preserved in molluscs, and P. maximus experienced the rapid expansion of the Phi class of iGluR (GluF) gene family. The GluF genes exhibit ubiquitously high expression and altered sequence characteristics for ligand selectivity, which may contribute to the remarkable tolerance to neurotoxins in P. maximus. Taken together, our study disapproves the previous claim of the 'gene-rich' genome of this species and provides a high-quality genome assembly for further understanding of its biology and evolution of toxin resistance. King scallop Genome sequencing Gene annotation Neurotoxin tolerance Biotechnology Jing Liu verfasserin aut Chunde Wang verfasserin aut Hao Wang verfasserin aut Lingling Zhang verfasserin aut Jingjie Hu verfasserin aut Lisui Bao verfasserin aut Shi Wang verfasserin aut In Computational and Structural Biotechnology Journal Elsevier, 2013 19(2021), Seite 4954-4960 (DE-627)731890086 (DE-600)2694435-2 20010370 nnns volume:19 year:2021 pages:4954-4960 https://doi.org/10.1016/j.csbj.2021.08.038 kostenfrei https://doaj.org/article/0a302ee8a90a44cbad3244e6bd2f8a16 kostenfrei http://www.sciencedirect.com/science/article/pii/S200103702100369X kostenfrei https://doaj.org/toc/2001-0370 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 19 2021 4954-4960 |
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10.1016/j.csbj.2021.08.038 doi (DE-627)DOAJ073412740 (DE-599)DOAJ0a302ee8a90a44cbad3244e6bd2f8a16 DE-627 ger DE-627 rakwb eng TP248.13-248.65 Qifan Zeng verfasserin aut High-quality reannotation of the king scallop genome reveals no ‘gene-rich’ feature and evolution of toxin resistance 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The king scallop, Pecten maximus is a well-known, commercially important scallop species and is featured with remarkable tolerance to potent phytotoxins such as domoic acid. A high-quality genome can shed light on its biology and innovative evolution of toxin resistance. A reference genome has recently been published for P. maximus, however, it is suspicious that over 67,700 genes are annotated in this genome, which is unexpectedly larger than its close relatives of pectinids. Herein, we provide an improved high-quality chromosome-level reference genome assembly and annotation for the king scallop P. maximus. A final set of 26,995 genes is annotated after carefully checking and curation of the predicted gene models, which significantly improves the accuracy of gene structure information. The large number of gene duplicates in the previous genome is mainly distorted by the fragmented annotation. Through integrated genomic, evolutionary and transcriptomic analyses, we reveal that the Phi subfamily of ionotropic glutamate receptors (iGluRs) are well preserved in molluscs, and P. maximus experienced the rapid expansion of the Phi class of iGluR (GluF) gene family. The GluF genes exhibit ubiquitously high expression and altered sequence characteristics for ligand selectivity, which may contribute to the remarkable tolerance to neurotoxins in P. maximus. Taken together, our study disapproves the previous claim of the 'gene-rich' genome of this species and provides a high-quality genome assembly for further understanding of its biology and evolution of toxin resistance. King scallop Genome sequencing Gene annotation Neurotoxin tolerance Biotechnology Jing Liu verfasserin aut Chunde Wang verfasserin aut Hao Wang verfasserin aut Lingling Zhang verfasserin aut Jingjie Hu verfasserin aut Lisui Bao verfasserin aut Shi Wang verfasserin aut In Computational and Structural Biotechnology Journal Elsevier, 2013 19(2021), Seite 4954-4960 (DE-627)731890086 (DE-600)2694435-2 20010370 nnns volume:19 year:2021 pages:4954-4960 https://doi.org/10.1016/j.csbj.2021.08.038 kostenfrei https://doaj.org/article/0a302ee8a90a44cbad3244e6bd2f8a16 kostenfrei http://www.sciencedirect.com/science/article/pii/S200103702100369X kostenfrei https://doaj.org/toc/2001-0370 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 19 2021 4954-4960 |
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10.1016/j.csbj.2021.08.038 doi (DE-627)DOAJ073412740 (DE-599)DOAJ0a302ee8a90a44cbad3244e6bd2f8a16 DE-627 ger DE-627 rakwb eng TP248.13-248.65 Qifan Zeng verfasserin aut High-quality reannotation of the king scallop genome reveals no ‘gene-rich’ feature and evolution of toxin resistance 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The king scallop, Pecten maximus is a well-known, commercially important scallop species and is featured with remarkable tolerance to potent phytotoxins such as domoic acid. A high-quality genome can shed light on its biology and innovative evolution of toxin resistance. A reference genome has recently been published for P. maximus, however, it is suspicious that over 67,700 genes are annotated in this genome, which is unexpectedly larger than its close relatives of pectinids. Herein, we provide an improved high-quality chromosome-level reference genome assembly and annotation for the king scallop P. maximus. A final set of 26,995 genes is annotated after carefully checking and curation of the predicted gene models, which significantly improves the accuracy of gene structure information. The large number of gene duplicates in the previous genome is mainly distorted by the fragmented annotation. Through integrated genomic, evolutionary and transcriptomic analyses, we reveal that the Phi subfamily of ionotropic glutamate receptors (iGluRs) are well preserved in molluscs, and P. maximus experienced the rapid expansion of the Phi class of iGluR (GluF) gene family. The GluF genes exhibit ubiquitously high expression and altered sequence characteristics for ligand selectivity, which may contribute to the remarkable tolerance to neurotoxins in P. maximus. Taken together, our study disapproves the previous claim of the 'gene-rich' genome of this species and provides a high-quality genome assembly for further understanding of its biology and evolution of toxin resistance. King scallop Genome sequencing Gene annotation Neurotoxin tolerance Biotechnology Jing Liu verfasserin aut Chunde Wang verfasserin aut Hao Wang verfasserin aut Lingling Zhang verfasserin aut Jingjie Hu verfasserin aut Lisui Bao verfasserin aut Shi Wang verfasserin aut In Computational and Structural Biotechnology Journal Elsevier, 2013 19(2021), Seite 4954-4960 (DE-627)731890086 (DE-600)2694435-2 20010370 nnns volume:19 year:2021 pages:4954-4960 https://doi.org/10.1016/j.csbj.2021.08.038 kostenfrei https://doaj.org/article/0a302ee8a90a44cbad3244e6bd2f8a16 kostenfrei http://www.sciencedirect.com/science/article/pii/S200103702100369X kostenfrei https://doaj.org/toc/2001-0370 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 19 2021 4954-4960 |
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10.1016/j.csbj.2021.08.038 doi (DE-627)DOAJ073412740 (DE-599)DOAJ0a302ee8a90a44cbad3244e6bd2f8a16 DE-627 ger DE-627 rakwb eng TP248.13-248.65 Qifan Zeng verfasserin aut High-quality reannotation of the king scallop genome reveals no ‘gene-rich’ feature and evolution of toxin resistance 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The king scallop, Pecten maximus is a well-known, commercially important scallop species and is featured with remarkable tolerance to potent phytotoxins such as domoic acid. A high-quality genome can shed light on its biology and innovative evolution of toxin resistance. A reference genome has recently been published for P. maximus, however, it is suspicious that over 67,700 genes are annotated in this genome, which is unexpectedly larger than its close relatives of pectinids. Herein, we provide an improved high-quality chromosome-level reference genome assembly and annotation for the king scallop P. maximus. A final set of 26,995 genes is annotated after carefully checking and curation of the predicted gene models, which significantly improves the accuracy of gene structure information. The large number of gene duplicates in the previous genome is mainly distorted by the fragmented annotation. Through integrated genomic, evolutionary and transcriptomic analyses, we reveal that the Phi subfamily of ionotropic glutamate receptors (iGluRs) are well preserved in molluscs, and P. maximus experienced the rapid expansion of the Phi class of iGluR (GluF) gene family. The GluF genes exhibit ubiquitously high expression and altered sequence characteristics for ligand selectivity, which may contribute to the remarkable tolerance to neurotoxins in P. maximus. Taken together, our study disapproves the previous claim of the 'gene-rich' genome of this species and provides a high-quality genome assembly for further understanding of its biology and evolution of toxin resistance. King scallop Genome sequencing Gene annotation Neurotoxin tolerance Biotechnology Jing Liu verfasserin aut Chunde Wang verfasserin aut Hao Wang verfasserin aut Lingling Zhang verfasserin aut Jingjie Hu verfasserin aut Lisui Bao verfasserin aut Shi Wang verfasserin aut In Computational and Structural Biotechnology Journal Elsevier, 2013 19(2021), Seite 4954-4960 (DE-627)731890086 (DE-600)2694435-2 20010370 nnns volume:19 year:2021 pages:4954-4960 https://doi.org/10.1016/j.csbj.2021.08.038 kostenfrei https://doaj.org/article/0a302ee8a90a44cbad3244e6bd2f8a16 kostenfrei http://www.sciencedirect.com/science/article/pii/S200103702100369X kostenfrei https://doaj.org/toc/2001-0370 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 19 2021 4954-4960 |
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10.1016/j.csbj.2021.08.038 doi (DE-627)DOAJ073412740 (DE-599)DOAJ0a302ee8a90a44cbad3244e6bd2f8a16 DE-627 ger DE-627 rakwb eng TP248.13-248.65 Qifan Zeng verfasserin aut High-quality reannotation of the king scallop genome reveals no ‘gene-rich’ feature and evolution of toxin resistance 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The king scallop, Pecten maximus is a well-known, commercially important scallop species and is featured with remarkable tolerance to potent phytotoxins such as domoic acid. A high-quality genome can shed light on its biology and innovative evolution of toxin resistance. A reference genome has recently been published for P. maximus, however, it is suspicious that over 67,700 genes are annotated in this genome, which is unexpectedly larger than its close relatives of pectinids. Herein, we provide an improved high-quality chromosome-level reference genome assembly and annotation for the king scallop P. maximus. A final set of 26,995 genes is annotated after carefully checking and curation of the predicted gene models, which significantly improves the accuracy of gene structure information. The large number of gene duplicates in the previous genome is mainly distorted by the fragmented annotation. Through integrated genomic, evolutionary and transcriptomic analyses, we reveal that the Phi subfamily of ionotropic glutamate receptors (iGluRs) are well preserved in molluscs, and P. maximus experienced the rapid expansion of the Phi class of iGluR (GluF) gene family. The GluF genes exhibit ubiquitously high expression and altered sequence characteristics for ligand selectivity, which may contribute to the remarkable tolerance to neurotoxins in P. maximus. Taken together, our study disapproves the previous claim of the 'gene-rich' genome of this species and provides a high-quality genome assembly for further understanding of its biology and evolution of toxin resistance. King scallop Genome sequencing Gene annotation Neurotoxin tolerance Biotechnology Jing Liu verfasserin aut Chunde Wang verfasserin aut Hao Wang verfasserin aut Lingling Zhang verfasserin aut Jingjie Hu verfasserin aut Lisui Bao verfasserin aut Shi Wang verfasserin aut In Computational and Structural Biotechnology Journal Elsevier, 2013 19(2021), Seite 4954-4960 (DE-627)731890086 (DE-600)2694435-2 20010370 nnns volume:19 year:2021 pages:4954-4960 https://doi.org/10.1016/j.csbj.2021.08.038 kostenfrei https://doaj.org/article/0a302ee8a90a44cbad3244e6bd2f8a16 kostenfrei http://www.sciencedirect.com/science/article/pii/S200103702100369X kostenfrei https://doaj.org/toc/2001-0370 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 19 2021 4954-4960 |
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High-quality reannotation of the king scallop genome reveals no ‘gene-rich’ feature and evolution of toxin resistance |
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The king scallop, Pecten maximus is a well-known, commercially important scallop species and is featured with remarkable tolerance to potent phytotoxins such as domoic acid. A high-quality genome can shed light on its biology and innovative evolution of toxin resistance. A reference genome has recently been published for P. maximus, however, it is suspicious that over 67,700 genes are annotated in this genome, which is unexpectedly larger than its close relatives of pectinids. Herein, we provide an improved high-quality chromosome-level reference genome assembly and annotation for the king scallop P. maximus. A final set of 26,995 genes is annotated after carefully checking and curation of the predicted gene models, which significantly improves the accuracy of gene structure information. The large number of gene duplicates in the previous genome is mainly distorted by the fragmented annotation. Through integrated genomic, evolutionary and transcriptomic analyses, we reveal that the Phi subfamily of ionotropic glutamate receptors (iGluRs) are well preserved in molluscs, and P. maximus experienced the rapid expansion of the Phi class of iGluR (GluF) gene family. The GluF genes exhibit ubiquitously high expression and altered sequence characteristics for ligand selectivity, which may contribute to the remarkable tolerance to neurotoxins in P. maximus. Taken together, our study disapproves the previous claim of the 'gene-rich' genome of this species and provides a high-quality genome assembly for further understanding of its biology and evolution of toxin resistance. |
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The king scallop, Pecten maximus is a well-known, commercially important scallop species and is featured with remarkable tolerance to potent phytotoxins such as domoic acid. A high-quality genome can shed light on its biology and innovative evolution of toxin resistance. A reference genome has recently been published for P. maximus, however, it is suspicious that over 67,700 genes are annotated in this genome, which is unexpectedly larger than its close relatives of pectinids. Herein, we provide an improved high-quality chromosome-level reference genome assembly and annotation for the king scallop P. maximus. A final set of 26,995 genes is annotated after carefully checking and curation of the predicted gene models, which significantly improves the accuracy of gene structure information. The large number of gene duplicates in the previous genome is mainly distorted by the fragmented annotation. Through integrated genomic, evolutionary and transcriptomic analyses, we reveal that the Phi subfamily of ionotropic glutamate receptors (iGluRs) are well preserved in molluscs, and P. maximus experienced the rapid expansion of the Phi class of iGluR (GluF) gene family. The GluF genes exhibit ubiquitously high expression and altered sequence characteristics for ligand selectivity, which may contribute to the remarkable tolerance to neurotoxins in P. maximus. Taken together, our study disapproves the previous claim of the 'gene-rich' genome of this species and provides a high-quality genome assembly for further understanding of its biology and evolution of toxin resistance. |
| abstract_unstemmed |
The king scallop, Pecten maximus is a well-known, commercially important scallop species and is featured with remarkable tolerance to potent phytotoxins such as domoic acid. A high-quality genome can shed light on its biology and innovative evolution of toxin resistance. A reference genome has recently been published for P. maximus, however, it is suspicious that over 67,700 genes are annotated in this genome, which is unexpectedly larger than its close relatives of pectinids. Herein, we provide an improved high-quality chromosome-level reference genome assembly and annotation for the king scallop P. maximus. A final set of 26,995 genes is annotated after carefully checking and curation of the predicted gene models, which significantly improves the accuracy of gene structure information. The large number of gene duplicates in the previous genome is mainly distorted by the fragmented annotation. Through integrated genomic, evolutionary and transcriptomic analyses, we reveal that the Phi subfamily of ionotropic glutamate receptors (iGluRs) are well preserved in molluscs, and P. maximus experienced the rapid expansion of the Phi class of iGluR (GluF) gene family. The GluF genes exhibit ubiquitously high expression and altered sequence characteristics for ligand selectivity, which may contribute to the remarkable tolerance to neurotoxins in P. maximus. Taken together, our study disapproves the previous claim of the 'gene-rich' genome of this species and provides a high-quality genome assembly for further understanding of its biology and evolution of toxin resistance. |
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Through integrated genomic, evolutionary and transcriptomic analyses, we reveal that the Phi subfamily of ionotropic glutamate receptors (iGluRs) are well preserved in molluscs, and P. maximus experienced the rapid expansion of the Phi class of iGluR (GluF) gene family. The GluF genes exhibit ubiquitously high expression and altered sequence characteristics for ligand selectivity, which may contribute to the remarkable tolerance to neurotoxins in P. maximus. 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