ArticlePlant molecular biology1999
Tissue-specific expression of two genes for sucrose synthase in carrot (Daucus carota L.).
Article in Plant molecular biology, 1999. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.
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Who cites it
19 citing papers in PubMed, 60 citations in OpenAlex.
- The evolutionary history of the sucrose synthase gene family in higher plants.BMC plant biology · 2019Article
- Overexpression of PsnSuSy1, 2 genes enhances secondary cell wall thickening, vegetative growth, and mechanical strength in transgenic tobacco.Plant molecular biology · 2019Review
- An Overview of Sucrose Synthases in Plants.Frontiers in plant science · 2019Review
- Article
- Transcript profiling of sucrose synthase genes involved in sucrose metabolism among four carrot (Daucus carota L.) cultivars reveals distinct patterns.BMC plant biology · 2018Article
- RhVI1 is a membrane-anchored vacuolar invertase highly expressed in Rosa hybrida L. petals.Journal of experimental botany · 2016Article
- Cold Treatment Breaks Dormancy but Jeopardizes Flower Quality in Camellia japonica L.Frontiers in plant science · 2015Article
- Analyses of the sucrose synthase gene family in cotton: structure, phylogeny and expression patterns.BMC plant biology · 2012Article
- Article
- Exploring the neutral invertase-oxidative stress defence connection in Arabidopsis thaliana.Journal of experimental botany · 2011Article
- Identification and characterization of the duplicate rice sucrose synthase genes OsSUS5 and OsSUS7 which are associated with the plasma membrane.Molecules and cells · 2011Article
- Cloning and characterization of a sucrose synthase-encoding gene from muskmelon.Molecular biology reports · 2010Article
- Article
- Determination of structural requirements and probable regulatory effectors for membrane association of maize sucrose synthase 1.Plant physiology · 2006Article
- Phosphorylation of the amino terminus of maize sucrose synthase in relation to membrane association and enzyme activity.Plant physiology · 2004Article
- Transcripts for genes encoding soluble acid invertase and sucrose synthase accumulate in root tip and cortical cells containing mycorrhizal arbuscules.Plant molecular biology · 2002Article
- Carbon partitioning to cellulose synthesis.Plant molecular biology · 2001Article
- Antisense repression of sucrose synthase in carrot (Daucus carota L.) affects growth rather than sucrose partitioning.Plant molecular biology · 1999Article
- Characterization of source- and sink-specific sucrose/H+ symporters from carrot.Plant physiology · 1998Article
Corrections and comments
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Authors and funding
4 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Sucrose synthase, which cleaves sucrose in the presence of uridine diphosphate (UDP) into UDP-glucose and fructose, is thought to be a key determinant of sink strength of heterotrophic plant organs. To determine the roles of the enzyme in carrot, we characterized carrot sucrose synthase at the molecular level. Two genes (Susy*Dc1 and Susy*Dc2) were isolated. The deduced amino acid sequences are 87% identical. However, the sequences upstream of the translation initiation codons are markedly different, as are the expression patterns of the two genes. Susy*Dc2 was exclusively expressed in flowers. Transcripts for Susy*Dc1 were found in stems, in roots at different developmental stages, and in flower buds, flowers and maturing seeds, with the highest levels in strong utilization sinks for sucrose such as growing stems and tap root tips. Expression of Susy*Dc1 was regulated by anaerobiosis but not by sugars or acetate. The carrot sucrose synthase protein is partly membrane-associated and this insoluble form may be directly involved in cellulose biosynthesis. Tap roots of the carrot cultivar used accumulated starch in the vicinity of the vascular bundles, which correlated with high sucrose synthase transcript levels. This finding suggests that soluble sucrose synthase in tap roots channels sucrose towards starch biosynthesis. Starch accumulation appears to be transient and may be involved in sucrose partitioning to developing tap roots.
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