ArticlePloS one2020
Genome-wide identification and expression analyses of Sm genes reveal their involvement in early somatic embryogenesis in Dimocarpus longan Lour.
Article in PloS one, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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5 citing papers in PubMed, 8 citations in OpenAlex.
- The Negative Regulators of the Basal Defence WRKY7, WRKY11 and WRKY17 Modulate the Jasmonic Acid Pathway and an Alternative Splicing Regulatory Network in Response to Pseudomonas syringae in Arabidopsis thaliana.Molecular plant pathology · 2024Article
- Genome-Wide Identification and Expression Analysis Reveal bZIP Transcription Factors Mediated Hormones That Functions during Early Somatic Embryogenesis inPlants (Basel, Switzerland) · 2024Article
- The splicing factor SNRPB promotes ovarian cancer progression through regulating aberrant exon skipping of POLA1 and BRCA2.Oncogene · 2023Article
- The Sm core components of small nuclear ribonucleoproteins promote homologous recombination repair.DNA repair · 2021Article
- Protein Arginine Methyltransferase 5 FunctionsFrontiers in cell and developmental biology · 2021Article
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Authors and funding
8 authors at 1 institution in 1 country.
Funding
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Abstract
The Sm proteins are a conserved protein family with Sm motifs. The family includes Sm and Sm-like proteins, which play important roles in pre-mRNA splicing. Most research on the Sm proteins have been conducted in herbaceous plants, and less in woody plants such as Dimocarpus longan (longan). And the embryo development status significantly affects the quality and yield of longan. In this study, we conducted a genome-wide analysis of longan Sm genes (DlSm) to clarify their roles during somatic embryogenesis (SE) and identified 29 Sm genes. Phylogenetic analysis deduced longan Sm proteins clustered into 17 phylogenetic groups with the homologous Sm proteins of Arabidopsis thaliana. We also analyzed the gene structures, motif compositions, and conserved domains of the longan Sm proteins. The promoter sequences of the DlSm genes contained many light, endosperm development, hormone, and temperature response elements, which suggested their possible functions. In the non-embryogenic callus(NEC) and during early SE in longan, the alternative splicing(AS) events of DlSm genes indicated that these genes may influence SE development by changing gene structures and sequences. The kinetin(KT) hormone, and blue and white light treatments affected the differentiation and growth of longan embryonic callus(EC) probably by affecting the AS events of DlSm genes. Expression profiles showed the possible functional divergence among Sm genes, and different hormones and light qualities affected their expression levels. The expression trends of the DlSm genes determined by RNA sequencing as fragments per kilobase of exon model per million mapped reads (FPKM) and by real-time quantitative PCR(qRT-PCR) during early SE in longan showed that the expression of the DlSm genes was affected by the growth and differentiation of longan SE, and decreased as the somatic embryo differentiation progressed. The results will contributed to understanding the longan Sm gene family and provide a basis for future functional validation studies.
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