Transcriptome analysis of different developmental stages of amphioxus reveals dynamic changes of distinct classes of genes during development
Publication in refereed journal


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摘要Vertebrates diverged from other chordates approximately 500 million years ago and have adopted several modifications of developmental processes. Amphioxus is widely used in evolutionary developmental biology research, such as on the basic patterning mechanisms involved in the chordate body plan and the origin of vertebrates. The fast development of next-generation sequencing has advanced knowledge of the genomic organization of amphioxus; however, many aspects of gene regulation during amphioxus development have not been fully characterized. In this study, we applied high-throughput sequencing on the transcriptomes of 13 developmental stages of Chinese amphioxus to gain a comprehensive understanding of transcriptional processes occurring from the fertilized egg to the adult stage. The expression levels of 3,423 genes were significantly changed (FDR <= 0.01). All of these genes were included in a clustering analysis, and enrichment of biological functions associated with these clusters was determined. Significant changes were observed in several important processes, including the down-regulation of the cell cycle and the up-regulation of translation. These results should build a foundation for identifying developmentally important genes, especially those regulatory factors involved in amphioxus development, and advance understanding of the developmental dynamics in vertebrates.
著者Yang KY, Chen Y, Zhang ZM, Ng PKS, Zhou WNJW, Zhang YF, Liu MH, Chen JY, Mao BY, Tsui SKW
期刊名稱Scientific Reports
詳細描述To ORKTS: doi: 10.1038/srep23195
出版年份2016
月份3
日期16
卷號6
出版社NATURE PUBLISHING GROUP
國際標準期刊號2045-2322
電子國際標準期刊號2045-2322
語言英式英語
Web of Science 學科類別Multidisciplinary Sciences; Science & Technology - Other Topics

上次更新時間 2021-19-01 於 01:32