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Chen J, Wu H, Zhang W, Mu W. Ribose-5-phosphate isomerases: characteristics, structural features, and applications. Appl Microbiol Biotechnol 2020; 104:6429-6441. [PMID: 32533303 DOI: 10.1007/s00253-020-10735-4] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Revised: 06/02/2020] [Accepted: 06/07/2020] [Indexed: 01/21/2023]
Abstract
Ribose-5-phosphate isomerase (Rpi, EC 5.3.1.6) is widespread in microorganisms, animals, and plants. It has a pivotal role in the pentose phosphate pathway and responsible for catalyzing the isomerization between D-ribulose 5-phosphate and D-ribose 5-phosphate. In recent years, Rpi has received considerable attention as a multipurpose biocatalyst for production of rare sugars, including D-allose, L-rhamnulose, L-lyxose, and L-tagatose. Besides, it has been thought of as a potential drug target in the treatment of trypanosomatid-caused diseases such as Chagas' disease, leishmaniasis, and human African trypanosomiasis. Despite increased research activities, up to now, no systematic review of Rpi has been published. To fill this gap, this paper provides detailed information about the enzymatic properties of various Rpis. Furthermore, structural features, catalytic mechanism, and molecular modifications of Rpis are summarized based on extensive crystal structure research. Additionally, the applications of Rpi in rare sugar production and the role of Rpi in trypanocidal drug design are reviewed. Key points • Fundamental properties of various ribose-5-phosphate isomerases (Rpis). • Differences in crystal structure and catalytic mechanism between RpiA and RpiB. • Application of Rpi as a rare sugar producer and a potential drug target.
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Affiliation(s)
- Jiajun Chen
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, 214122, Jiangsu, China
| | - Hao Wu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, 214122, Jiangsu, China
| | - Wenli Zhang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, 214122, Jiangsu, China.
- International Joint Laboratory on Food Safety, Jiangnan University, Wuxi, 214122, Jiangsu, China.
| | - Wanmeng Mu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, 214122, Jiangsu, China
- International Joint Laboratory on Food Safety, Jiangnan University, Wuxi, 214122, Jiangsu, China
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Biochemical and structural insights into an Ochrobactrum sp. CSL1 ribose-5-phosphate isomerase A and its roles in isomerization of rare sugars. Enzyme Microb Technol 2020; 140:109604. [PMID: 32912675 DOI: 10.1016/j.enzmictec.2020.109604] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Revised: 05/11/2020] [Accepted: 05/21/2020] [Indexed: 11/21/2022]
Abstract
Rare sugars have received increasing attention due to their important applications as sweeteners and building blocks. The substrate specificity and catalytic properties of ribose-5-phosphate isomerase A (RpiA) in isomerization of rare sugars have not been extensively explored. In this study, an RpiA from Ochrobactrum sp. CSL1 was cloned and expressed in Escherichia coli. The biochemical and reaction features were explored and its broad substrate specificity was identified. A higher reaction rate in isomerizing l-rhamnose to l-rhamnulose by OsRpiA, compared with OsRpiB found in the same strain indicated higher efficiency in preparing rare sugars, which was verified by kinetics study. The 2.8 Å resolution structure of OsRpiA was then solved and used in subsequent molecular dynamics experiments, providing a possible explanation for its distinct substrate specificity. The present study highlighted the unique role of microbial RpiA in preparing rare sugars, and its structural information provided a reliable reference for further reaction mechanism research and enzyme engineering work.
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Jirka I, Kopová I, Kubát P, Tabor E, Bačáková L, Bouša M, Sajdl P. The Photodynamic Properties and the Genotoxicity of Heat-Treated Silicalite-1 Films. MATERIALS (BASEL, SWITZERLAND) 2019; 12:E567. [PMID: 30769806 PMCID: PMC6416588 DOI: 10.3390/ma12040567] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/04/2019] [Revised: 01/31/2019] [Accepted: 02/10/2019] [Indexed: 11/17/2022]
Abstract
We investigated the use of a supported silicalite-1 film (SF) as a promising coating for metallic materials used in the fabrication of prostheses. The role of carbonaceous residua present on high-temperature calcined-SF in generating singlet oxygen for future use as a sterilization method has also been addressed, and the potential genotoxicity of these residua in osteoblast-like cells has been investigated. Calcination of as-synthesized SF induced the appearance of a rather complicated mixture of aliphatic and aromatic species on its outer surface. A series of variously volatile polycyclic aromatic hydrocarbons (PAH), including naphthalene, fluorene, phenanthrene, anthracene, fluoranthene, and pyrene, were identified in micromole concentrations. Irradiation of these PAHs on calcined-SF immersed in air-saturated chloroform led to the formation of very low concentrations of singlet oxygen. However, an increased level of DNA damage was observed on calcined-SF by immunofluorescence staining of phosphorylated histone H2AX analyzed by flow cytometry.
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Affiliation(s)
- Ivan Jirka
- J. Heyrovský Institute of Physical Chemistry of the Czech Academy of Sciences, v.v.i, Dolejškova 3, 182 23 Prague 8, Czech Republic.
| | - Ivana Kopová
- Institute of Physiology of the Czech Academy of Sciences, v.v.i., Vídeňská 1083, 142 20 Prague 4, Czech Republic.
| | - Pavel Kubát
- J. Heyrovský Institute of Physical Chemistry of the Czech Academy of Sciences, v.v.i, Dolejškova 3, 182 23 Prague 8, Czech Republic.
| | - Edyta Tabor
- J. Heyrovský Institute of Physical Chemistry of the Czech Academy of Sciences, v.v.i, Dolejškova 3, 182 23 Prague 8, Czech Republic.
| | - Lucie Bačáková
- Institute of Physiology of the Czech Academy of Sciences, v.v.i., Vídeňská 1083, 142 20 Prague 4, Czech Republic.
| | - Milan Bouša
- J. Heyrovský Institute of Physical Chemistry of the Czech Academy of Sciences, v.v.i, Dolejškova 3, 182 23 Prague 8, Czech Republic.
| | - Petr Sajdl
- Power Engineering Department, University of Chemistry and Technology, Technická 3, 166 28 Prague 6, Czech Republic.
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Lobley CMC, Aller P, Douangamath A, Reddivari Y, Bumann M, Bird LE, Nettleship JE, Brandao-Neto J, Owens RJ, O’Toole PW, Walsh MA. Structure of ribose 5-phosphate isomerase from the probiotic bacterium Lactobacillus salivarius UCC118. Acta Crystallogr Sect F Struct Biol Cryst Commun 2012; 68:1427-33. [PMID: 23192019 PMCID: PMC3509960 DOI: 10.1107/s174430911204273x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2012] [Accepted: 10/12/2012] [Indexed: 11/10/2022]
Abstract
The structure of ribose 5-phosphate isomerase from the probiotic bacterium Lactobacillus salivarius UCC188 has been determined at 1.72 Å resolution. The structure was solved by molecular replacement, which identified the functional homodimer in the asymmetric unit. Despite only showing 57% sequence identity to its closest homologue, the structure adopted the typical α and β D-ribose 5-phosphate isomerase fold. Comparison to other related structures revealed high homology in the active site, allowing a model of the substrate-bound protein to be proposed. The determination of the structure was expedited by the use of in situ crystallization-plate screening on beamline I04-1 at Diamond Light Source to identify well diffracting protein crystals prior to routine cryocrystallography.
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Affiliation(s)
- Carina M. C. Lobley
- Diamond Light Source, Harwell Science and Innovation Campus, Didcot, Oxfordshire OX11 0DE, England
| | - Pierre Aller
- Diamond Light Source, Harwell Science and Innovation Campus, Didcot, Oxfordshire OX11 0DE, England
| | - Alice Douangamath
- Diamond Light Source, Harwell Science and Innovation Campus, Didcot, Oxfordshire OX11 0DE, England
| | - Yamini Reddivari
- Oxford Protein Production Facility UK, Research Complex at Harwell, R92 Rutherford Appleton Laboratories, Harwell, Oxfordshire OX11 0FA, England
| | - Mario Bumann
- MRC France, BM14, c/o ESRF, 6 Rue Jules Horowitz, BP 220, 38043 Grenoble France
| | - Louise E. Bird
- Oxford Protein Production Facility UK, Research Complex at Harwell, R92 Rutherford Appleton Laboratories, Harwell, Oxfordshire OX11 0FA, England
| | - Joanne E. Nettleship
- Oxford Protein Production Facility UK, Research Complex at Harwell, R92 Rutherford Appleton Laboratories, Harwell, Oxfordshire OX11 0FA, England
| | - Jose Brandao-Neto
- Diamond Light Source, Harwell Science and Innovation Campus, Didcot, Oxfordshire OX11 0DE, England
| | - Raymond J. Owens
- Oxford Protein Production Facility UK, Research Complex at Harwell, R92 Rutherford Appleton Laboratories, Harwell, Oxfordshire OX11 0FA, England
| | - Paul W. O’Toole
- Department of Microbiology, Alimentary Pharmabiotic Centre, University College Cork, Cork, Ireland
| | - Martin A. Walsh
- Diamond Light Source, Harwell Science and Innovation Campus, Didcot, Oxfordshire OX11 0DE, England
- MRC France, BM14, c/o ESRF, 6 Rue Jules Horowitz, BP 220, 38043 Grenoble France
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Study on teratogenic effects of methotrexate; Alteration of gene expression pattern in human placenta choriocarcinoma (JEG-3) cells. BIOCHIP JOURNAL 2010. [DOI: 10.1007/s13206-010-4305-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Kim YJ, Lee J, Ryu JC. Altered gene expression and functions in thalidomide-treated human placenta choriocarcinoma (JEG-3) cells. BIOCHIP JOURNAL 2010. [DOI: 10.1007/s13206-010-4104-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Liu YW, Chen CC, Tseng HP, Chang WC. Lipopolysaccharide-induced transcriptional activation of interleukin-10 is mediated by MAPK- and NF-κB-induced CCAAT/enhancer-binding protein δ in mouse macrophages. Cell Signal 2006; 18:1492-500. [PMID: 16413748 DOI: 10.1016/j.cellsig.2005.12.001] [Citation(s) in RCA: 79] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2005] [Revised: 11/29/2005] [Accepted: 12/05/2005] [Indexed: 10/25/2022]
Abstract
We have previously revealed that LPS can activate transcription of the IL-10 gene promoter through transcription factors Sp1, C/EBPbeta and C/EBPdelta in mouse macrophages. In this study, we determined that NF-kappaB and MAPK signal pathways, including ERK, JNK, and p38, were all involved in LPS-induced IL-10 gene expression. Treatment of cells with the pharmacological inhibitors of ERK, JNK, p38 and NF-kappaB respectively inhibited LPS-induced IL-10 protein expression in a dose-dependent manner. These inhibitors also decreased the LPS-induced IL-10 mRNA expression at a high concentration used. With transient overexpression of the IkappaB expression plasmids, or the dominant negative plasmids of ERK2, JNK, p38 together with reporter vector containing IL-10 promoter region, all four expression plasmids inhibited LPS-induced IL-10 promoter activity individually. It is known that the increase in protein and DNA binding of C/EBPbeta and delta could activate IL-10 gene expression. In this study, we also identified that all four pharmacological inhibitors inhibited the protein expression of C/EBPdelta individually, but not C/EBPbeta. In the presence of all three MAPK inhibitors, or only NF-kappaB inhibitor, LPS-induced protein expression and DNA binding of C/EBPdelta were completely inhibited simultaneously, and LPS-induced expression of IL-10 protein and mRNA was also inhibited totally. Taken together, these results suggested that LPS-induced IL-10 expression was mediated at least through the pathway of NF-kappaB- and MAPK-induced protein expression and DNA binding of C/EBPdelta.
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Affiliation(s)
- Yi-Wen Liu
- Graduate Institute of Biopharmaceutics, College of Life Sciences, National Chiayi University, Chiayi, Taiwan
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