Identification and Alternative Splicing Profile of the Raffinose synthase Gene in Grass Species

Junhao Xu, Xiangkai You, Yanan Leng, Youyue Li, Zeyu Lu, Yinan Huang, Moxian Chen, Jianhua Zhang, Tao Song*, Tieyuan Liu*

*Corresponding author for this work

Research output: Contribution to journalJournal articlepeer-review

1 Citation (Scopus)

Abstract

Raffinose synthase (Rafs) is an important enzyme in the synthesis pathway of raffinose from sucrose and galactinol in higher plants and is involved in the regulation of seed development and plant responses to abiotic stresses. In this study, we analyzed the Rafs families and profiled their alternative splicing patterns at the genome-wide scale from 10 grass species representing crops and grasses. A total of 73 Rafs genes were identified from grass species such as rice, maize, foxtail millet, and switchgrass. These Rafs genes were assigned to six groups based the phylogenetic analysis. We compared the gene structures, protein domains, and expression patterns of Rafs genes, and also unraveled the alternative transcripts of them. In addition, different conserved sequences were observed at these putative splice sites among grass species. The subcellular localization of PvRafs5 suggested that the Rafs gene was expressed in the cytoplasm or cell membrane. Our findings provide comprehensive knowledge of the Rafs families in terms of genes and proteins, which will facilitate further functional characterization in grass species in response to abiotic stress.

Original languageEnglish
Article number11120
JournalInternational Journal of Molecular Sciences
Volume24
Issue number13
DOIs
Publication statusPublished - 5 Jul 2023

Scopus Subject Areas

  • Catalysis
  • Molecular Biology
  • Spectroscopy
  • Computer Science Applications
  • Physical and Theoretical Chemistry
  • Organic Chemistry
  • Inorganic Chemistry

User-Defined Keywords

  • alternative splicing
  • drought and salt stress
  • gene family
  • grass species
  • raffinose synthase

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