Your browser doesn't support javascript.
loading
The subgenome Saccharum spontaneum contributes to sugar accumulation in sugarcane as revealed by full-length transcriptomic analysis.
Zhao, Jihan; Li, Sicheng; Xu, Yuzhi; Ahmad, Nazir; Kuang, Bowen; Feng, Mengfan; Wei, Ni; Yang, Xiping.
Afiliación
  • Zhao J; State Key Laboratory of Conservation and Utilization of Subtropical Agro-Bioresources, Guangxi Key Laboratory of Sugarcane Biology, Guangxi University, Nanning 530004, China; National Demonstration Center for Experimental Plant Science Education, College of Agriculture, Guangxi University, Nanning 5
  • Li S; State Key Laboratory of Conservation and Utilization of Subtropical Agro-Bioresources, Guangxi Key Laboratory of Sugarcane Biology, Guangxi University, Nanning 530004, China; National Demonstration Center for Experimental Plant Science Education, College of Agriculture, Guangxi University, Nanning 5
  • Xu Y; National Demonstration Center for Experimental Plant Science Education, College of Agriculture, Guangxi University, Nanning 530004, China.
  • Ahmad N; State Key Laboratory of Conservation and Utilization of Subtropical Agro-Bioresources, Guangxi Key Laboratory of Sugarcane Biology, Guangxi University, Nanning 530004, China.
  • Kuang B; State Key Laboratory of Conservation and Utilization of Subtropical Agro-Bioresources, Guangxi Key Laboratory of Sugarcane Biology, Guangxi University, Nanning 530004, China; National Demonstration Center for Experimental Plant Science Education, College of Agriculture, Guangxi University, Nanning 5
  • Feng M; State Key Laboratory of Conservation and Utilization of Subtropical Agro-Bioresources, Guangxi Key Laboratory of Sugarcane Biology, Guangxi University, Nanning 530004, China; National Demonstration Center for Experimental Plant Science Education, College of Agriculture, Guangxi University, Nanning 5
  • Wei N; State Key Laboratory of Conservation and Utilization of Subtropical Agro-Bioresources, Guangxi Key Laboratory of Sugarcane Biology, Guangxi University, Nanning 530004, China; National Demonstration Center for Experimental Plant Science Education, College of Agriculture, Guangxi University, Nanning 5
  • Yang X; State Key Laboratory of Conservation and Utilization of Subtropical Agro-Bioresources, Guangxi Key Laboratory of Sugarcane Biology, Guangxi University, Nanning 530004, China; National Demonstration Center for Experimental Plant Science Education, College of Agriculture, Guangxi University, Nanning 5
J Adv Res ; 54: 1-13, 2023 12.
Article en En | MEDLINE | ID: mdl-36781019
INTRODUCTION: Modern sugarcane cultivars (Saccharum spp. hybrids) derived from crosses between S. officinarum and S. spontaneum, with high-sugar traits and excellent stress tolerance inherited respectively. However, the contribution of the S. spontaneum subgenome to sucrose accumulation is still unclear. OBJECTIVE: To compensate for the absence of a high-quality reference genome, a transcriptome analysis method is needed to analyze the molecular basis of differential sucrose accumulation in sugarcane hybrids and to find clues to the contribution of the S. spontaneum subgenome to sucrose accumulation. METHODS: PacBio full-length sequencing was used to complement genome annotation, followed by the identification of differential genes between the high and low sugar groups using differential alternative splicing analysis and differential expression analysis. At the subgenomic level, the factors responsible for differential sucrose accumulation were investigated from the perspective of transcriptional and post-transcriptional regulation. RESULTS: A full-length transcriptome annotated at the subgenomic level was provided, complemented by 263,378 allele-defined transcript isoforms and 139,405 alternative splicing (AS) events. Differential alternative splicing (DA) analysis and differential expression (DE) analysis identified differential genes between high and low sugar groups and explained differential sucrose accumulation factors by the KEGG pathways. In some gene models, different or even opposite expression patterns of alleles from the same gene were observed, reflecting the potential evolution of these alleles toward novel functions in polyploid sugarcane. Among DA and DE genes in the sucrose source-sink complex pathway, we found some alleles encoding sucrose accumulation-related enzymes derived from the S. spontaneum subgenome were differentially expressed or had DA events between the two contrasting sugarcane hybrids. CONCLUSION: Full-length transcriptomes annotated at the subgenomic level could better characterize sugarcane hybrids, and the S. spontaneum subgenome was found to contribute to sucrose accumulation.
Asunto(s)
Palabras clave

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Saccharum / Transcriptoma Tipo de estudio: Prognostic_studies Idioma: En Revista: J Adv Res Año: 2023 Tipo del documento: Article Pais de publicación: Egipto

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Saccharum / Transcriptoma Tipo de estudio: Prognostic_studies Idioma: En Revista: J Adv Res Año: 2023 Tipo del documento: Article Pais de publicación: Egipto