ArticlePlanta2005
AtUTr2 is an Arabidopsis thaliana nucleotide sugar transporter located in the Golgi apparatus capable of transporting UDP-galactose.
Article in Planta, 2005. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed, 42 citations in OpenAlex.
- Source leaves are regulated by sink strengths through non-coding RNAs and alternative polyadenylation in cucumber (Cucumis sativus L.).BMC plant biology · 2024Article
- ThePlant direct · 2021Article
- Biosynthesis and Transport of Nucleotide Sugars for Plant Hemicellulose.Frontiers in plant science · 2021Review
- New steps in mucilage biosynthesis revealed by analysis of the transcriptome of the UDP-rhamnose/UDP-galactose transporter 2 mutant.Journal of experimental botany · 2019Article
- UUAT1 Is a Golgi-Localized UDP-Uronic Acid Transporter That Modulates the Polysaccharide Composition of Arabidopsis Seed Mucilage.The Plant cell · 2017Article
- Identification and Characterization of a Golgi-Localized UDP-Xylose Transporter Family from Arabidopsis.The Plant cell · 2015Article
- Endoplasmic reticulum: Where nucleotide sugar transport meets cytokinin control mechanisms.Plant signaling & behavior · 2015Article
- The Golgi localized bifunctional UDP-rhamnose/UDP-galactose transporter family of Arabidopsis.Proceedings of the National Academy of Sciences of the United States of America · 2014Article
- Abnormal glycosphingolipid mannosylation triggers salicylic acid-mediated responses in Arabidopsis.The Plant cell · 2013Article
- Golgi-localized UDP-glucose transporter is required for cell wall integrity in rice.Plant signaling & behavior · 2011Article
- Golgi nucleotide sugar transporter modulates cell wall biosynthesis and plant growth in rice.Proceedings of the National Academy of Sciences of the United States of America · 2011Article
- Article
- The import of S-adenosylmethionine into the Golgi apparatus is required for the methylation of homogalacturonan.Plant physiology · 2007Article
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Authors and funding
7 authors at 3 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The synthesis of noncellulosic polysaccharides and glycoproteins in the plant cell Golgi apparatus requires UDP-galactose as a substrate. We have cloned and characterized a nucleotide sugar transporter from Arabidopsis thaliana (L.) Heynh. named AtUTr2. Expression in tobacco and Saccharomyces cerevisiae and subsequent biochemical characterization indicate that AtUTr2 transports UDP-galactose, but not UDP-glucose, UDP-N-acetyl glucosamine, UDP-xylose, UDP-glucuronic acid, GDP-fucose or GDP-mannose. Experiments expressing an AtUTr2-GFP fusion protein in onion epidermal cells suggest that AtUTr2 is located in the Golgi apparatus. Finally, northern analysis indicates that the AtUTr2 transcript was more abundant in roots and calli although it was also present in other Arabidopsis organs but at lower levels. Therefore, AtUTr2 is a nucleotide sugar transporter capable of transporting UDP-galactose that may play an important role in the synthesis of galactose-containing glycoconjugates in Arabidopsis.
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