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Comprehensive analysis of full-length transcriptomes of Schizothorax prenanti by single-molecule long-read sequencing.

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Schizothorax prenanti (S. prenanti) is one of the most important aquaculture species in the southwest of China. However, information of the full-length transcripts in S. prenanti remains unknown. In this… Click to show full abstract

Schizothorax prenanti (S. prenanti) is one of the most important aquaculture species in the southwest of China. However, information of the full-length transcripts in S. prenanti remains unknown. In this study, single-molecule real-time (SMRT) sequencing was performed to generate full-length transcriptomes of S.prenanti. In total, 23.26 Gb of clean reads were generated. A total of 312,587 circular consensus sequences (CCS) were obtained with average lengths of 2634 bp and 84.16% (270,662) of CCS were full-length non-chimeric reads. After being corrected with Illumina library sequencing, 18,005 contigs were obtained, with 17,797 (98.81%) successfully annotated in eight public databases, including 15,839 complete open reading frames (ORFs) with an average length of 1330 bp. Furthermore, a total of 4152 alternative splicing (AS) events and 250 long non-coding RNA (lncRNA) transcripts were detected. Additionally, a total of 1129 putative transcription factors (TFs) members from 56 TF families and 11,660 simple sequence repeats (SSRs) were identified. This study provided a valuable resource of full-length transcripts for further research on S. prenanti.

Keywords: length; single molecule; full length; length transcriptomes; schizothorax prenanti

Journal Title: Genomics
Year Published: 2021

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