We found a match
Your institution may have access to this item. Find your institution then sign in to continue.
- Title
Sorbitol metabolism plays a key role in the differential accumulation of sugar in two plum cultivars.
- Authors
Du, Mei; Gao, Linduo; Ren, Jun; Pan, Xuejun; Zhu, Yongchao
- Abstract
Sugar is vital for plant growth and determines fruit quality via its content and composition. This study explores the differential sugar accumulation in two plum varieties, 'Fengtangli (FTL)' and 'Siyueli (SYL)'. The result showed that 'FTL' fruit displayed higher soluble solids and sugar content at various development stages. Metabolomic analysis indicated increased sorbitol in 'FTL', linked to elevated sorbitol‐6‐phosphate‐dehydrogenase (S6PDH) activity. Transcriptome analysis identified a key gene for sorbitol synthesis, PsS6PDH4, which was significantly higher expressed in 'FTL' than in 'SYL'. The function of the PsS6PDH4 gene was verified in strawberry, apple, and plum fruits using transient overexpression and virus‐induced gene silencing techniques. The results showed that overexpression of the PsS6PDH4 gene in strawberry, apple, and plum fruits promoted the accumulation of soluble solids content and sorbitol, while inhibition of the gene reduced soluble solids content and sorbitol content. Meanwhile, analysis of the relationship between PsS6PDH4 gene expression, sorbitol, and soluble solids content in four different plum varieties revealed a significant correlation between PsS6PDH4 gene expression and soluble solids content as well as sorbitol content. This research discovered PsS6PDH4 as a crucial regulator of sugar metabolism in plum, with potential applications in improving fruit sweetness and nutritional value in various fruit species. Understanding these molecular pathways can lead to innovative approaches for enhancing fruit quality, benefiting sustainable agriculture and consumer preferences in the global fruit industry.
- Subjects
GENETIC overexpression; GENE expression; SUSTAINABLE agriculture; GENE silencing; SORBITOL; PLUM
- Publication
Physiologia Plantarum, 2024, Vol 176, Issue 4, p1
- ISSN
0031-9317
- Publication type
Article
- DOI
10.1111/ppl.14465