Transcriptome sequencing and characterization for the sea cucumber Apostichopus japonicus (Selenka, 1867).
<h4>Background</h4>Sea cucumbers are a special group of marine invertebrates. They occupy a taxonomic position that is believed to be important for understanding the origin and evolution of deuterostomes. Some of them such as Apostichopus japonicus represent commercially important aquacu...
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oai:doaj.org-article:1cc75f30c7b34dc99904944ddcb1e03f2021-11-18T07:25:24ZTranscriptome sequencing and characterization for the sea cucumber Apostichopus japonicus (Selenka, 1867).1932-620310.1371/journal.pone.0033311https://doaj.org/article/1cc75f30c7b34dc99904944ddcb1e03f2012-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/22428017/pdf/?tool=EBIhttps://doaj.org/toc/1932-6203<h4>Background</h4>Sea cucumbers are a special group of marine invertebrates. They occupy a taxonomic position that is believed to be important for understanding the origin and evolution of deuterostomes. Some of them such as Apostichopus japonicus represent commercially important aquaculture species in Asian countries. Many efforts have been devoted to increasing the number of expressed sequence tags (ESTs) for A. japonicus, but a comprehensive characterization of its transcriptome remains lacking. Here, we performed the large-scale transcriptome profiling and characterization by pyrosequencing diverse cDNA libraries from A. japonicus.<h4>Results</h4>In total, 1,061,078 reads were obtained by 454 sequencing of eight cDNA libraries representing different developmental stages and adult tissues in A. japonicus. These reads were assembled into 29,666 isotigs, which were further clustered into 21,071 isogroups. Nearly 40% of the isogroups showed significant matches to known proteins based on sequence similarity. Gene ontology (GO) and KEGG pathway analyses recovered diverse biological functions and processes. Candidate genes that were potentially involved in aestivation were identified. Transcriptome comparison with the sea urchin Strongylocentrotus purpuratus revealed similar patterns of GO term representation. In addition, 4,882 putative orthologous genes were identified, of which 202 were not present in the non-echinoderm organisms. More than 700 simple sequence repeats (SSRs) and 54,000 single nucleotide polymorphisms (SNPs) were detected in the A. japonicus transcriptome.<h4>Conclusion</h4>Pyrosequencing was proven to be efficient in rapidly identifying a large set of genes for the sea cucumber A. japonicus. Through the large-scale transcriptome sequencing as well as public EST data integration, we performed a comprehensive characterization of the A. japonicus transcriptome and identified candidate aestivation-related genes. A large number of potential genetic markers were also identified from the A. japonicus transcriptome. This transcriptome resource would lay an important foundation for future genetic or genomic studies on this species.Huixia DuZhenmin BaoRui HouShan WangHailin SuJingjing YanMeilin TianYan LiWen WeiWei LuXiaoli HuShi WangJingjie HuPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 7, Iss 3, p e33311 (2012) |
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Medicine R Science Q Huixia Du Zhenmin Bao Rui Hou Shan Wang Hailin Su Jingjing Yan Meilin Tian Yan Li Wen Wei Wei Lu Xiaoli Hu Shi Wang Jingjie Hu Transcriptome sequencing and characterization for the sea cucumber Apostichopus japonicus (Selenka, 1867). |
| description |
<h4>Background</h4>Sea cucumbers are a special group of marine invertebrates. They occupy a taxonomic position that is believed to be important for understanding the origin and evolution of deuterostomes. Some of them such as Apostichopus japonicus represent commercially important aquaculture species in Asian countries. Many efforts have been devoted to increasing the number of expressed sequence tags (ESTs) for A. japonicus, but a comprehensive characterization of its transcriptome remains lacking. Here, we performed the large-scale transcriptome profiling and characterization by pyrosequencing diverse cDNA libraries from A. japonicus.<h4>Results</h4>In total, 1,061,078 reads were obtained by 454 sequencing of eight cDNA libraries representing different developmental stages and adult tissues in A. japonicus. These reads were assembled into 29,666 isotigs, which were further clustered into 21,071 isogroups. Nearly 40% of the isogroups showed significant matches to known proteins based on sequence similarity. Gene ontology (GO) and KEGG pathway analyses recovered diverse biological functions and processes. Candidate genes that were potentially involved in aestivation were identified. Transcriptome comparison with the sea urchin Strongylocentrotus purpuratus revealed similar patterns of GO term representation. In addition, 4,882 putative orthologous genes were identified, of which 202 were not present in the non-echinoderm organisms. More than 700 simple sequence repeats (SSRs) and 54,000 single nucleotide polymorphisms (SNPs) were detected in the A. japonicus transcriptome.<h4>Conclusion</h4>Pyrosequencing was proven to be efficient in rapidly identifying a large set of genes for the sea cucumber A. japonicus. Through the large-scale transcriptome sequencing as well as public EST data integration, we performed a comprehensive characterization of the A. japonicus transcriptome and identified candidate aestivation-related genes. A large number of potential genetic markers were also identified from the A. japonicus transcriptome. This transcriptome resource would lay an important foundation for future genetic or genomic studies on this species. |
| format |
article |
| author |
Huixia Du Zhenmin Bao Rui Hou Shan Wang Hailin Su Jingjing Yan Meilin Tian Yan Li Wen Wei Wei Lu Xiaoli Hu Shi Wang Jingjie Hu |
| author_facet |
Huixia Du Zhenmin Bao Rui Hou Shan Wang Hailin Su Jingjing Yan Meilin Tian Yan Li Wen Wei Wei Lu Xiaoli Hu Shi Wang Jingjie Hu |
| author_sort |
Huixia Du |
| title |
Transcriptome sequencing and characterization for the sea cucumber Apostichopus japonicus (Selenka, 1867). |
| title_short |
Transcriptome sequencing and characterization for the sea cucumber Apostichopus japonicus (Selenka, 1867). |
| title_full |
Transcriptome sequencing and characterization for the sea cucumber Apostichopus japonicus (Selenka, 1867). |
| title_fullStr |
Transcriptome sequencing and characterization for the sea cucumber Apostichopus japonicus (Selenka, 1867). |
| title_full_unstemmed |
Transcriptome sequencing and characterization for the sea cucumber Apostichopus japonicus (Selenka, 1867). |
| title_sort |
transcriptome sequencing and characterization for the sea cucumber apostichopus japonicus (selenka, 1867). |
| publisher |
Public Library of Science (PLoS) |
| publishDate |
2012 |
| url |
https://doaj.org/article/1cc75f30c7b34dc99904944ddcb1e03f |
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