Landscape of alternative splicing and polyadenylation during growth and development of muscles in pigs

被引：0

作者：

Sun, Yuanlu ^{[1
]}

Pang, Yu ^{[1
]}

Wu, Xiaoxu ^{[1
]}

Zhu, Rongru ^{[1
]}

Wang, Liang ^{[2
]}

Tian, Ming ^{[2
]}

He, Xinmiao ^{[2
]}

Liu, Di ^{[2
]}

Yang, Xiuqin ^{[1
]}

机构：

[1] Northeast Agr Univ, Coll Anim Sci & Technol, Harbin 150030, Peoples R China

[2] Heilongjiang Acad Agr Sci, Inst Anim Husb, Harbin 150086, Peoples R China

来源：

COMMUNICATIONS BIOLOGY | 2024年 / 7卷 / 01期

基金：

中国国家自然科学基金;

关键词：

INTRON RETENTION; GENE-REGULATION; EXPRESSION; PATHWAY; MEF2; BIN1;

D O I：

10.1038/s42003-024-07332-w

中图分类号：

Q [生物科学];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Alternative polyadenylation (APA) is emerging as a post-transcriptional regulatory mechanism, similar as that of alternative splicing (AS), and plays a prominent role in regulating gene expression and increasing the complexity of the transcriptome and proteome. We use polyadenylation selected long-read isoform sequencing to obtain full-length transcript sequences in porcine muscles at five developmental stages. We identify numerous novel transcripts unannotated in the existing pig genome, including transcripts mapping to known and unknown gene loci, and widespread transcript diversity in porcine muscles. The top 100 most isoformic genes are mainly enriched in Gene Ontology terms related to muscle growth and development. It is revealed that intron retention/exon inclusion and the usage of distal polyadenylation site (PAS) are associated with ageing through analyzing changes of AS and PAS during muscle development. We also identify developmental changes in major transcripts and major PASs. Furthermore, genes/transcripts important for muscle development are identified. The results confirm the importance of AS and APA in pig muscles, substantially increasing transcriptional diversity and showing an important mechanism underlying gene regulation in muscles.

引用

页数：14

共 55 条

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