ArticleTransgenic research2020
Altered sucrose metabolism and plant growth in transgenic Populus tomentosa with altered sucrose synthase PtSS3.
Article in Transgenic research, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers, 1 of them a synthesis that pooled it.
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Who cites it
12 citing papers in PubMed, 1 synthesis or guideline pooled it, 35 citations in OpenAlex.
- Identification and expression analysis of the sucrose synthase gene family in pomegranate (PeerJ · 2022Pooled it
- Article
- Genome-wide identification of sucrose synthase gene family from Camellia sinensis and regulatory role of CsSUS3 in sucrose metabolism in post-harvest tea leaves.BMC plant biology · 2025Article
- Transcriptional regulation and functional research of sucrose synthase in plant development.Planta · 2025Review
- Non-Additive Gene Expression in Carbon and Nitrogen Metabolism Drives Growth Heterosis in Populus deltoides.Plant, cell & environment · 2025Article
- Comparative transcriptome analysis identifies candidate genes related to sucrose accumulation in longan (Frontiers in plant science · 2024Article
- PtoNF-YC9-SRMT-PtoRD26 module regulates the high saline tolerance of a triploid poplar.Genome biology · 2022Article
- Comprehensive Analyses of FourInternational journal of molecular sciences · 2022Article
- Mobile forms of carbon in trees: metabolism and transport.Tree physiology · 2022Review
- Investigation ofInternational journal of molecular sciences · 2021Article
- Advances and Perspectives of Transgenic Technology and Biotechnological Application in Forest Trees.Frontiers in plant science · 2021Review
- Transcriptome analysis of diploid and triploidPeerJ · 2020Article
Corrections and comments
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
Abstract
Improvement of wood quality is an important focus of forest genetics and breeding research. Sucrose synthase (SS) catalyzes the reaction of sucrose and uridine diphosphate into uridine diphosphate glucose and fructose. It is a key enzyme involved in cell wall formation during secondary growth by providing the UDP-Glucose substrate for cellulose biosynthesis. In this study, we isolated the single-copy gene PtSS3 from the SS gene family of Populus tomentosa and analyzed its structure. To identify its function in secondary growth, we generated 19 transgenic lines of P. tomentosa using PtSS3 overexpression (OE) and artificial microRNA (amiRNA) constructs. We also performed comprehensive analyses of the transgenic P. tomentosa plants, including phenotypic analyses, quantitative real-time PCR, enzyme activity assays and sugar metabolism. We found significantly higher PtSS3 enzyme activity, fructose, and glucose levels and significantly lower sucrose levels in the stems and leaves of OE-PtSS3 plants. The opposite trend was observed in the amiRNA-PtSS3 lines. Gene expression analyses showed that PtSS3 transcript levels in stems and leaves were up-regulated in the OE-PtSS3 lines and down-regulated in the amiRNA-PtSS3 lines, and the OE-PtSS3 plants grew taller than the wild-type and amiRNA-PtSS3 plants. These findings indicate that PtSS3 plays an important role in sucrose metabolism and growth of trees.
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