The complete mitochondrial genome of Hyotissa sinensis (Bivalvia, Ostreoidea) indicates the genetic diversity within Gryphaeidae
Different from the true oyster (family Ostreidae), the molecular diversity of the gryphaeid oyster (family Gryphaeidae) has never been sufficiently investigated. In the present study, the complete mitochondrial (mt) genome of Hyotissa sinensis was sequenced and compared with those of other ostreoids...
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| Format: | Article |
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Pensoft Publishers
2023-03-01
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| Series: | Biodiversity Data Journal |
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| Online Access: | https://bdj.pensoft.net/article/101333/download/pdf/ |
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| author | Fengping Li Hongyue Liu Xin Heng Yu Zhang Mingfu Fan Shunshun Wang Chunsheng Liu Zhifeng Gu Aimin Wang Yi Yang |
| author_facet | Fengping Li Hongyue Liu Xin Heng Yu Zhang Mingfu Fan Shunshun Wang Chunsheng Liu Zhifeng Gu Aimin Wang Yi Yang |
| author_sort | Fengping Li |
| collection | DOAJ |
| description | Different from the true oyster (family Ostreidae), the molecular diversity of the gryphaeid oyster (family Gryphaeidae) has never been sufficiently investigated. In the present study, the complete mitochondrial (mt) genome of Hyotissa sinensis was sequenced and compared with those of other ostreoids. The total length of H. sinensis mtDNA is 30,385 bp, encoding 12 protein-coding-genes (PCGs), 26 transfer RNA (tRNA) genes and two ribosomal RNA (rRNA) genes. The nucleotide composition and codon usage preference of H. sinensis mtDNA is similar to that of H. hyotis within the same genus. On the other hand, the presence of three trnM and three trnL genes of H. sinensis was not detected neither in H. hyotis nor other ostroid species. Another unique character of H. sinensis mtDNA is that both rrnS and rrnL have a nearly identical duplication. The PCG order of H. sinensis is identical to H. hyotis and the two congener species also share an identical block of 12 tRNA genes. The tRNA rearrangements mostly happen in the region from Cox1 to Nad3, the same area where the duplicated genes are located. The rearrangements within Gryphaeidae could be explained by a "repeat-random loss model". Phylogenetic analyses revealed Gryphaeidae formed by H. sinensis + H. hyotis as sister to Ostreidae, whereas the phylogenetic relationship within the latter group remains unresolved. The present study indicated the mitogenomic diversity within Gryphaeidae and could also provide important data for future better understanding the gene order rearrangements within superfamily Ostreoidea. |
| first_indexed | 2024-04-09T23:15:49Z |
| format | Article |
| id | doaj.art-e26a4efb10844384a4ad4589896b2f40 |
| institution | Directory Open Access Journal |
| issn | 1314-2828 |
| language | English |
| last_indexed | 2024-04-09T23:15:49Z |
| publishDate | 2023-03-01 |
| publisher | Pensoft Publishers |
| record_format | Article |
| series | Biodiversity Data Journal |
| spelling | doaj.art-e26a4efb10844384a4ad4589896b2f402023-03-22T09:11:03ZengPensoft PublishersBiodiversity Data Journal1314-28282023-03-011112110.3897/BDJ.11.e101333101333The complete mitochondrial genome of Hyotissa sinensis (Bivalvia, Ostreoidea) indicates the genetic diversity within GryphaeidaeFengping Li0Hongyue Liu1Xin Heng2Yu Zhang3Mingfu Fan4Shunshun Wang5Chunsheng Liu6Zhifeng Gu7Aimin Wang8Yi Yang9College of Marine Science, Hainan UniversityInstitute of Marine Science and Technology, Shandong UniversityCollege of Marine Science, Hainan UniversitySanya Oceanographic Institution, Ocean University of ChinaCollege of Marine Science, Hainan UniversityCollege of Marine Science, Hainan UniversityCollege of Marine Science, Hainan UniversityCollege of Marine Science, Hainan UniversityState Key Laboratory of Marine Resource Utilization in South China Sea, Hainan UniversityCollege of Marine Science, Hainan UniversityDifferent from the true oyster (family Ostreidae), the molecular diversity of the gryphaeid oyster (family Gryphaeidae) has never been sufficiently investigated. In the present study, the complete mitochondrial (mt) genome of Hyotissa sinensis was sequenced and compared with those of other ostreoids. The total length of H. sinensis mtDNA is 30,385 bp, encoding 12 protein-coding-genes (PCGs), 26 transfer RNA (tRNA) genes and two ribosomal RNA (rRNA) genes. The nucleotide composition and codon usage preference of H. sinensis mtDNA is similar to that of H. hyotis within the same genus. On the other hand, the presence of three trnM and three trnL genes of H. sinensis was not detected neither in H. hyotis nor other ostroid species. Another unique character of H. sinensis mtDNA is that both rrnS and rrnL have a nearly identical duplication. The PCG order of H. sinensis is identical to H. hyotis and the two congener species also share an identical block of 12 tRNA genes. The tRNA rearrangements mostly happen in the region from Cox1 to Nad3, the same area where the duplicated genes are located. The rearrangements within Gryphaeidae could be explained by a "repeat-random loss model". Phylogenetic analyses revealed Gryphaeidae formed by H. sinensis + H. hyotis as sister to Ostreidae, whereas the phylogenetic relationship within the latter group remains unresolved. The present study indicated the mitogenomic diversity within Gryphaeidae and could also provide important data for future better understanding the gene order rearrangements within superfamily Ostreoidea.https://bdj.pensoft.net/article/101333/download/pdf/Mitochondrial genomegryphaeid oystergene order |
| spellingShingle | Fengping Li Hongyue Liu Xin Heng Yu Zhang Mingfu Fan Shunshun Wang Chunsheng Liu Zhifeng Gu Aimin Wang Yi Yang The complete mitochondrial genome of Hyotissa sinensis (Bivalvia, Ostreoidea) indicates the genetic diversity within Gryphaeidae Biodiversity Data Journal Mitochondrial genome gryphaeid oyster gene order |
| title | The complete mitochondrial genome of Hyotissa sinensis (Bivalvia, Ostreoidea) indicates the genetic diversity within Gryphaeidae |
| title_full | The complete mitochondrial genome of Hyotissa sinensis (Bivalvia, Ostreoidea) indicates the genetic diversity within Gryphaeidae |
| title_fullStr | The complete mitochondrial genome of Hyotissa sinensis (Bivalvia, Ostreoidea) indicates the genetic diversity within Gryphaeidae |
| title_full_unstemmed | The complete mitochondrial genome of Hyotissa sinensis (Bivalvia, Ostreoidea) indicates the genetic diversity within Gryphaeidae |
| title_short | The complete mitochondrial genome of Hyotissa sinensis (Bivalvia, Ostreoidea) indicates the genetic diversity within Gryphaeidae |
| title_sort | complete mitochondrial genome of hyotissa sinensis bivalvia ostreoidea indicates the genetic diversity within gryphaeidae |
| topic | Mitochondrial genome gryphaeid oyster gene order |
| url | https://bdj.pensoft.net/article/101333/download/pdf/ |
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