The activation of gene expression and alternative splicing in the formation and evolution of allopolyploid Brassica napus.

ABSTRACT: Allopolyploids contain two or more sets of subgenomes. To establish a compatible relationship between subgenomes, a series of gene expression changes occurred in allopolyploids. What evolutionary changes of transcripts have taken place in Brassica napus during the early establishment and subsequent evolution was a fascinating scientific question. Here, we study this issue using a set of materials (natural, resynthesized B. napus and their progenitors/parents) by long-read RNA sequencing technology. The results showed that more genes were up-regulated in resynthesized B. napus compared with its two parents, and more up-regulated expressed genes were observed in natural B. napus compared with resynthesized B. napus. The presence of up-regulation genes in organism may help it adapt to the inf

SUBMITTER: Li M 

PROVIDER: S-EPMC8923814 | biostudies-literature | 2022 Jan

REPOSITORIES: biostudies-literature