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Li T, Xu B. Faster and Greener Parallel Chemical Reaction Work-up Using ‘Sponge’ Extraction. Tetrahedron Lett 2022. [DOI: 10.1016/j.tetlet.2022.153702] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Tran TM, Hampton CS, Brossard TW, Harmata M, Robertson JD, Jurisson SS, Braun DM. In vivo transport of three radioactive [ 18F]-fluorinated deoxysucrose analogs by the maize sucrose transporter ZmSUT1. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2017; 115:1-11. [PMID: 28300727 DOI: 10.1016/j.plaphy.2017.03.006] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2016] [Revised: 03/05/2017] [Accepted: 03/06/2017] [Indexed: 05/26/2023]
Abstract
Sucrose transporter (SUT) proteins translocate sucrose across cell membranes; however, mechanistic aspects of sucrose binding by SUTs are not well resolved. Specific hydroxyl groups in sucrose participate in hydrogen bonding with SUT proteins. We previously reported that substituting a radioactive fluorine-18 [18F] at the C-6' position within the fructosyl moiety of sucrose did not affect sucrose transport by the maize (Zea mays) ZmSUT1 protein. To determine how 18F substitution of hydroxyl groups at two other positions within sucrose, the C-1' in the fructosyl moiety or the C-6 in the glucosyl moiety, impact sucrose transport, we synthesized 1'-[F18]fluoro-1'-deoxysucrose and 6-[F18]fluoro-6-deoxysucrose ([18F]FDS) analogs. Each [18F]FDS derivative was independently introduced into wild-type or sut1 mutant plants, which are defective in sucrose phloem loading. All three (1'-, 6'-, and 6-) [18F]FDS derivatives were efficiently and equally translocated, similarly to carbon-14 [14C]-labeled sucrose. Hence, individually replacing the hydroxyl groups at these positions within sucrose does not interfere with substrate recognition, binding, or membrane transport processes, and hydroxyl groups at these three positions are not essential for hydrogen bonding between sucrose and ZmSUT1. [18F]FDS imaging afforded several advantages compared to [14C]-sucrose detection. We calculated that 1'-[18F]FDS was transported at approximately a rate of 0.90 ± 0.15 m.h-1 in wild-type leaves, and at 0.68 ± 0.25 m.h-1 in sut1 mutant leaves. Collectively, our data indicated that [18F]FDS analogs are valuable tools to probe sucrose-SUT interactions and to monitor sucrose transport in plants.
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Affiliation(s)
- Thu M Tran
- Plant Imaging Consortium, United States; Division of Biological Sciences, Interdisciplinary Plant Group, and Missouri Maize Center, University of Missouri, Columbia, MO 65211, United States
| | - Carissa S Hampton
- Department of Chemistry, University of Missouri, Columbia, MO 65211, United States; University of Missouri Research Reactor, University of Missouri, Columbia, MO 65211, United States
| | - Tom W Brossard
- Department of Chemistry, University of Missouri, Columbia, MO 65211, United States; University of Missouri Research Reactor, University of Missouri, Columbia, MO 65211, United States
| | - Michael Harmata
- Department of Chemistry, University of Missouri, Columbia, MO 65211, United States
| | - J David Robertson
- Department of Chemistry, University of Missouri, Columbia, MO 65211, United States; University of Missouri Research Reactor, University of Missouri, Columbia, MO 65211, United States
| | - Silvia S Jurisson
- Plant Imaging Consortium, United States; Department of Chemistry, University of Missouri, Columbia, MO 65211, United States
| | - David M Braun
- Plant Imaging Consortium, United States; Division of Biological Sciences, Interdisciplinary Plant Group, and Missouri Maize Center, University of Missouri, Columbia, MO 65211, United States.
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Malachowska M, Sperduto C, Darmostuk M, Monti D, Venanzi M, Mancini G, D'Acunto CW, Králová J, Ruml T, Wimmer Z, Drašar PB. Porphyrins with directly meso-attached disaccharide moieties: Synthesis, self-assembly and cellular study. J PORPHYR PHTHALOCYA 2016. [DOI: 10.1142/s1088424616500875] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
A series of porphyrins with directly meso-attached “sucrose” moiety by the carbon C-6′ of its “fructose” end was synthesized, and their physico-chemical and aggregation properties studied by spectroscopic (fluorescence, circular dichroism, resonance light scattering) techniques. The effect of selected porphyrins on tumor cells was also evaluated.
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Affiliation(s)
- Magdalena Malachowska
- Dept Nat. Compds Chem., University of Chemical Technology, Prague, 16628 Prague 6, Czech Republic
| | - Claudio Sperduto
- Dept Nat. Compds Chem., University of Chemical Technology, Prague, 16628 Prague 6, Czech Republic
| | - Mariia Darmostuk
- Dept Biochem. Microbiol., University of Chemical Technology, Prague, 16628 Prague 6, Czech Republic
| | - Donato Monti
- Dept Chem. Sci. Technol., University of Rome Tor Vergata, Via Della Ricerca Scientifica 1, 00133 Rome, Italy
| | - Mariano Venanzi
- Dept Chem. Sci. Technol., University of Rome Tor Vergata, Via Della Ricerca Scientifica 1, 00133 Rome, Italy
| | - Giovana Mancini
- IMR-CNR, c/o Dept Chem., University of Rome, La Sapienza, P.le A. Moro 5, 00185 Rome, Italy
| | - Cosimo Walter D'Acunto
- Dept Biochem. Microbiol., University of Chemical Technology, Prague, 16628 Prague 6, Czech Republic
| | - Jarmila Králová
- Institute of Molecular Genetics AS CR, v.v.i., 142 20 Praha 4, Czech Republic
| | - Tomáš Ruml
- Dept Biochem. Microbiol., University of Chemical Technology, Prague, 16628 Prague 6, Czech Republic
| | - Zdenĕk Wimmer
- Dept Nat. Compds Chem., University of Chemical Technology, Prague, 16628 Prague 6, Czech Republic
- Isotope Laboratory, Institute of Experimental Botany AS CR, v.v.i., 142 20 Prague 4, Czech Republic
| | - Pavel B. Drašar
- Dept Nat. Compds Chem., University of Chemical Technology, Prague, 16628 Prague 6, Czech Republic
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Rotsch D, Brossard T, Bihmidine S, Ying W, Gaddam V, Harmata M, Robertson JD, Swyers M, Jurisson SS, Braun DM. Radiosynthesis of 6'-Deoxy-6'[18F]Fluorosucrose via Automated Synthesis and Its Utility to Study In Vivo Sucrose Transport in Maize (Zea mays) Leaves. PLoS One 2015; 10:e0128989. [PMID: 26024520 PMCID: PMC4449027 DOI: 10.1371/journal.pone.0128989] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2015] [Accepted: 05/01/2015] [Indexed: 01/08/2023] Open
Abstract
Sugars produced from photosynthesis in leaves are transported through the phloem tissues within veins and delivered to non-photosynthetic organs, such as roots, stems, flowers, and seeds, to support their growth and/or storage of carbohydrates. However, because the phloem is located internally within the veins, it is difficult to access and to study the dynamics of sugar transport. Radioactive tracers have been extensively used to study vascular transport in plants and have provided great insights into transport dynamics. To better study sucrose partitioning in vivo, a novel radioactive analog of sucrose was synthesized through a completely chemical synthesis route by substituting fluorine-18 (half-life 110 min) at the 6' position to generate 6'-deoxy-6'[(18)F]fluorosucrose ((18)FS). This radiotracer was then used to compare sucrose transport between wild-type maize plants and mutant plants lacking the Sucrose transporter1 (Sut1) gene, which has been shown to function in sucrose phloem loading. Our results demonstrate that (18)FS is transported in vivo, with the wild-type plants showing a greater rate of transport down the leaf blade than the sut1 mutant plants. A similar transport pattern was also observed for universally labeled [U-(14)C]sucrose ([U-(14)C]suc). Our findings support the proposed sucrose phloem loading function of the Sut1 gene in maize, and additionally demonstrate that the (18)FS analog is a valuable, new tool that offers imaging advantages over [U-(14)C]suc for studying phloem transport in plants.
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Affiliation(s)
- David Rotsch
- Department of Chemistry, University of Missouri, Columbia, Missouri, United States of America
| | - Tom Brossard
- Department of Chemistry, University of Missouri, Columbia, Missouri, United States of America
| | - Saadia Bihmidine
- Division of Biological Sciences, Interdisciplinary Plant Group and the Missouri Maize Center, University of Missouri, Columbia, Missouri, United States of America
| | - Weijiang Ying
- Department of Chemistry, University of Missouri, Columbia, Missouri, United States of America
| | - Vikram Gaddam
- Department of Chemistry, University of Missouri, Columbia, Missouri, United States of America
| | - Michael Harmata
- Department of Chemistry, University of Missouri, Columbia, Missouri, United States of America
| | - J. David Robertson
- Department of Chemistry, University of Missouri, Columbia, Missouri, United States of America
- University of Missouri Research Reactor, University of Missouri, Columbia, Missouri, United States of America
| | - Michael Swyers
- Division of Biological Sciences, Interdisciplinary Plant Group and the Missouri Maize Center, University of Missouri, Columbia, Missouri, United States of America
| | - Silvia S. Jurisson
- Department of Chemistry, University of Missouri, Columbia, Missouri, United States of America
| | - David M. Braun
- Division of Biological Sciences, Interdisciplinary Plant Group and the Missouri Maize Center, University of Missouri, Columbia, Missouri, United States of America
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A synthesis of 6-deoxy-6-fluorosucrose suitable for PET applications. Carbohydr Res 2014; 400:14-18. [PMID: 25318025 DOI: 10.1016/j.carres.2014.08.015] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2014] [Revised: 08/18/2014] [Accepted: 08/28/2014] [Indexed: 11/22/2022]
Abstract
A new route to 6-deoxy-6-fluorosucrose has been developed. The process proceeds in 8 linear steps in 25% overall yield from sucrose. The steps incorporating fluorine and subsequent deprotection are quite rapid, making the procedure useful in the context of 18F-labeling for PET applications.
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Ying W, Gaddam V, Harmata M. Chemical Synthesis of 1′-Deoxy-1′-fluorosucrose. Org Lett 2013; 15:2723-5. [DOI: 10.1021/ol401044h] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Weijiang Ying
- Department of Chemistry, University of Missouri—Columbia, Columbia, Missouri 65211, United States
| | - Vikram Gaddam
- Department of Chemistry, University of Missouri—Columbia, Columbia, Missouri 65211, United States
| | - Michael Harmata
- Department of Chemistry, University of Missouri—Columbia, Columbia, Missouri 65211, United States
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