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Abstract
Covering: up to mid-2020 Terpenoids, also called isoprenoids, are the largest and most structurally diverse family of natural products. Found in all domains of life, there are over 80 000 known compounds. The majority of characterized terpenoids, which include some of the most well known, pharmaceutically relevant, and commercially valuable natural products, are produced by plants and fungi. Comparatively, terpenoids of bacterial origin are rare. This is counter-intuitive to the fact that recent microbial genomics revealed that almost all bacteria have the biosynthetic potential to create the C5 building blocks necessary for terpenoid biosynthesis. In this review, we catalogue terpenoids produced by bacteria. We collected 1062 natural products, consisting of both primary and secondary metabolites, and classified them into two major families and 55 distinct subfamilies. To highlight the structural and chemical space of bacterial terpenoids, we discuss their structures, biosynthesis, and biological activities. Although the bacterial terpenome is relatively small, it presents a fascinating dichotomy for future research. Similarities between bacterial and non-bacterial terpenoids and their biosynthetic pathways provides alternative model systems for detailed characterization while the abundance of novel skeletons, biosynthetic pathways, and bioactivies presents new opportunities for drug discovery, genome mining, and enzymology.
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Affiliation(s)
- Jeffrey D Rudolf
- Department of Chemistry, University of Florida, Gainesville, Florida 32611, USA.
| | - Tyler A Alsup
- Department of Chemistry, University of Florida, Gainesville, Florida 32611, USA.
| | - Baofu Xu
- Department of Chemistry, University of Florida, Gainesville, Florida 32611, USA.
| | - Zining Li
- Department of Chemistry, University of Florida, Gainesville, Florida 32611, USA.
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Galm U, Dessoy MA, Schmidt J, Wessjohann LA, Heide L. In vitro and in vivo production of new aminocoumarins by a combined biochemical, genetic, and synthetic approach. ACTA ACUST UNITED AC 2004; 11:173-83. [PMID: 15123279 DOI: 10.1016/j.chembiol.2004.01.012] [Citation(s) in RCA: 55] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2003] [Revised: 11/07/2003] [Accepted: 11/10/2003] [Indexed: 11/21/2022]
Abstract
The aminocoumarin antibiotics clorobiocin, novobiocin, and coumermycin A(1) are inhibitors of bacterial gyrase. Their chemical structures contain amide bonds, formed between an aminocoumarin ring and an aromatic acyl component, which is 3-dimethylallyl-4-hydroxybenzoate in the case of novobiocin and clorobiocin. These amide bonds are formed under catalysis of the gene products of cloL, novL, and couL, respectively. We first examined the substrate specificity of the purified amide synthetases CloL, NovL, and CouL for the various analogs of the prenylated benzoate moiety. We then generated new aminocoumarin antibiotics by feeding synthetic analogs of the 3-dimethylallyl-4-hydroxybenzoate moiety to a mutant strain defective in the biosynthesis of the prenylated benzoate moiety. This resulted in the formation of 32 new aminocoumarin compounds. The structures of these compounds were elucidated using FAB-MS and (1)H-NMR spectroscopy.
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Affiliation(s)
- Ute Galm
- Pharmazeutische Biologie, Pharmazeutisches Institut, Eberhard-Karls-Universität Tübingen, Auf der Morgenstelle 8, 72076 Tübingen, Germany
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Pojer F, Kahlich R, Kammerer B, Li SM, Heide L. CloR, a bifunctional non-heme iron oxygenase involved in clorobiocin biosynthesis. J Biol Chem 2003; 278:30661-8. [PMID: 12777382 DOI: 10.1074/jbc.m303190200] [Citation(s) in RCA: 40] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
The aminocoumarin antibiotics novobiocin and clorobiocin contain a 3-dimethylallyl-4-hydroxybenzoate (3DMA-4HB) moiety. The biosynthesis of this moiety has now been identified by biochemical and molecular biological studies. CloQ from the clorobiocin biosynthetic gene cluster in Streptomyces roseochromogenes DS 12976 has recently been identified as a 4-hydroxyphenylpyruvate-3-dimethylallyltransferase. In the present study, the enzyme CloR was overexpressed in Escherichia coli, purified, and identified as a bifunctional non-heme iron oxygenase, which converts 3-dimethylallyl-4-hydroxyphenylpyruvate (3DMA-4HPP) via 3-dimethylallyl-4-hydroxymandelic acid (3DMA-4HMA) to 3DMA-4HB by two consecutive oxidative decarboxylation steps. In 18O2 labeling experiments we showed that two oxygen atoms are incorporated into the intermediate 3DMA-4HMA in the first reaction step, but only one further oxygen is incorporated into the final product 3DMA-4HB during the second reaction step. CloR does not show sequence similarity to known oxygenases. It apparently presents a novel member of the diverse family of the non-heme iron (II) and alpha-ketoacid-dependent oxygenases, with 3DMA-4HPP functioning both as an alpha-keto acid and as a hydroxylation substrate. The reaction catalyzed by CloR represents a new pathway for the formation of benzoic acids in nature.
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Affiliation(s)
- Florence Pojer
- Universität Tübingen, Pharmazeutische Biologie, Auf der Morgenstelle 8, 72076 Tübingen, Germany
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Pojer F, Wemakor E, Kammerer B, Chen H, Walsh CT, Li SM, Heide L. CloQ, a prenyltransferase involved in clorobiocin biosynthesis. Proc Natl Acad Sci U S A 2003; 100:2316-21. [PMID: 12618544 PMCID: PMC151338 DOI: 10.1073/pnas.0337708100] [Citation(s) in RCA: 104] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Ring A (3-dimethylallyl-4-hydroxybenzoic acid) is a structural moiety of the aminocoumarin antibiotics novobiocin and clorobiocin. In the present study, the prenyltransferase involved in the biosynthesis of this moiety was identified from the clorobiocin producer (Streptomyces roseochromogenes), overexpressed, and purified. It is a soluble, monomeric 35-kDa protein, encoded by the structural gene cloQ. 4-Hydroxyphenylpyruvate and dimethylallyl diphosphate were identified as the substrates of this enzyme, with K(m) values determined as 25 and 35 microM, respectively. A gene inactivation experiment confirmed that cloQ is essential for ring A biosynthesis. Database searches did not reveal any similarity of CloQ to known prenyltransferases, and the enzyme did not contain the typical prenyl diphosphate binding site (N/D)DXXD. In contrast to most of the known prenyltransferases, the enzymatic activity was not dependent on the presence of magnesium, and in contrast to the membrane-bound polyprenyltransferases involved in ubiquinone biosynthesis, CloQ did not accept 4-hydroxybenzoic acid as substrate. CloQ and the similar NovQ from the novobiocin producer seem to belong to a new class of prenyltransferases.
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Affiliation(s)
- Florence Pojer
- Pharmazeutische Biologie, Auf der Morgenstelle 8, Universität Tübingen, 72076 Tübingen, Germany
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Pojer F, Li SM, Heide L. Molecular cloning and sequence analysis of the clorobiocin biosynthetic gene cluster: new insights into the biosynthesis of aminocoumarin antibiotics. MICROBIOLOGY (READING, ENGLAND) 2002; 148:3901-3911. [PMID: 12480894 DOI: 10.1099/00221287-148-12-3901] [Citation(s) in RCA: 111] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
The biosynthetic gene cluster of the aminocoumarin antibiotic clorobiocin was cloned by screening of a cosmid library of Streptomyces roseochromogenes DS 12.976 with two heterologous probes from the novobiocin biosynthetic gene cluster. Sequence analysis revealed 27 ORFs with striking similarity to the biosynthetic gene clusters of novobiocin and coumermycin A(1). Inactivation of a putative aldolase gene, cloR, by in-frame deletion led to the abolishment of the production of clorobiocin. Feeding of the mutant with 3-dimethylallyl-4-hydroxybenzoic acid (Ring A of clorobiocin) restored clorobiocin production. Here, it is suggested that the formation of Ring A of clorobiocin may proceed via a retro-aldol reaction catalysed by CloR, i.e. by a mechanism different from the previously elucidated benzoic acid biosynthetic pathway in Streptomyces maritimus. A comparison of the gene clusters for clorobiocin, novobiocin and coumermycin A(1) showed that the structural differences between the three antibiotics were reflected remarkably well by differences in the organization of their respective biosynthetic gene clusters.
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Affiliation(s)
- Florence Pojer
- Eberhard-Karls-Universität Tübingen, Pharmazeutische Biologie, Auf der Morgenstelle 8, D-72076 Tübingen, Germany1
| | - Shu-Ming Li
- Eberhard-Karls-Universität Tübingen, Pharmazeutische Biologie, Auf der Morgenstelle 8, D-72076 Tübingen, Germany1
| | - Lutz Heide
- Eberhard-Karls-Universität Tübingen, Pharmazeutische Biologie, Auf der Morgenstelle 8, D-72076 Tübingen, Germany1
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Li SM, Westrich L, Schmidt J, Kuhnt C, Heide L. Methyltransferase genes in Streptomyces rishiriensis: new coumermycin derivatives from gene-inactivation experiments. MICROBIOLOGY (READING, ENGLAND) 2002; 148:3317-3326. [PMID: 12368465 DOI: 10.1099/00221287-148-10-3317] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
The coumarin antibiotic coumermycin A(1) contains at least eight methyl groups, presumably derived from S-adenosylmethionine. Two putative methyltransferase genes, couO and couP, of the coumermycin A(1) biosynthetic gene cluster were inactivated by in-frame deletion. In the resulting mutants, coumermycin A(1) production was abolished. New coumermycin derivatives were accumulated instead, and were identified by HPLC-MS using selected reaction monitoring via electrospray ionization. couO mutants accumulated a coumermycin derivative lacking the methyl groups at C-8 of the characteristic aminocoumarin rings, whereas in the couP mutant a coumermycin derivative lacking the methyl groups at the 4-hydroxyl groups of the two deoxysugar moieties was identified. These results provided evidence that couO encodes a C-methyltransferase responsible for the transfer of a methyl group to C-8 of the aminocoumarin ring, and couP an O-methyltransferase for methylation of 4-OH of the sugar in the biosynthesis of coumermycin A(1), respectively. C-methylation of the aminocoumarin ring is considered as an early step of coumermycin biosynthesis. Nevertheless, the intermediates with the non-methylated aminocoumarin ring were accepted by the enzymes catalysing the subsequent steps of the pathway. The new, demethylated secondary metabolites were produced in an amount at least as high as that of coumermycin A(1) in the wild-type.
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Affiliation(s)
- Shu-Ming Li
- Eberhard-Karls-Universität Tübingen, Pharmazeutische Biologie, Auf der Morgenstelle 8,D-72076 Tübingen, Germany1
| | - Lucia Westrich
- Eberhard-Karls-Universität Tübingen, Pharmazeutische Biologie, Auf der Morgenstelle 8,D-72076 Tübingen, Germany1
| | - Jürgen Schmidt
- Institut für Pflanzenbiochemie, Weinberg 3, 06120 Halle (Saale), Germany2
| | - Christine Kuhnt
- Institut für Pflanzenbiochemie, Weinberg 3, 06120 Halle (Saale), Germany2
| | - Lutz Heide
- Eberhard-Karls-Universität Tübingen, Pharmazeutische Biologie, Auf der Morgenstelle 8,D-72076 Tübingen, Germany1
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Biosynthesis of abietane diterpenoids in cultured cells of Torreya nucifera var. radicans: biosynthetic inequality of the FPP part and the terminal IPP. Tetrahedron 2002. [DOI: 10.1016/s0040-4020(01)01232-7] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Wang ZX, Li SM, Heide L. Identification of the coumermycin A(1) biosynthetic gene cluster of Streptomyces rishiriensis DSM 40489. Antimicrob Agents Chemother 2000; 44:3040-8. [PMID: 11036020 PMCID: PMC101600 DOI: 10.1128/aac.44.11.3040-3048.2000] [Citation(s) in RCA: 107] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
The biosynthetic gene cluster of the aminocoumarin antibiotic coumermycin A(1) was cloned by screening of a cosmid library of Streptomyces rishiriensis DSM 40489 with heterologous probes from a dTDP-glucose 4,6-dehydratase gene, involved in deoxysugar biosynthesis, and from the aminocoumarin resistance gyrase gene gyrB(r). Sequence analysis of a 30.8-kb region upstream of gyrB(r) revealed the presence of 28 complete open reading frames (ORFs). Fifteen of the identified ORFs showed, on average, 84% identity to corresponding ORFs in the biosynthetic gene cluster of novobiocin, another aminocoumarin antibiotic. Possible functions of 17 ORFs in the biosynthesis of coumermycin A(1) could be assigned by comparison with sequences in GenBank. Experimental proof for the function of the identified gene cluster was provided by an insertional gene inactivation experiment, which resulted in an abolishment of coumermycin A(1) production.
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Affiliation(s)
- Z X Wang
- Pharmazeutische Biologie, Pharmazeutisches Institut, Eberhard-Karls-Universität Tübingen, 72076 Tübingen, Germany
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Jeselnik M, Plavec J, Polanc S, Kocevar M. Novobiocin-related compounds: synthesis of 3-benzoylamino-2-oxo-2H-1-benzopyran-7-yl D-glycopyranosides by the trichloroacetimidate methodology. Carbohydr Res 2000; 328:591-7. [PMID: 11093715 DOI: 10.1016/s0008-6215(00)00142-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
A general stereoselective method for the synthesis of 4-deoxynovobiocin-related glycosides is described. 3-Benzoylamino-2H-1-benzopyran-7-yl 2,3,4,6-tetra-O-acetyl-D-glycopyranosides of glucose, galactose and mannose were synthesised from appropriate O-glycosyltrichloroacetimidates and N-(7-hydroxy-2-oxo-2H-1-benzopyran-3-yl)benzamides in boiling methylene chloride in the presence of boron trifluoride etherate. Heating of these products in a mixture of triethylamine and methanol gave the corresponding deprotected 3-benzoylamino-2-oxo-2H-1-benzopyran-7-yl beta-D-glycopyranosides.
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Affiliation(s)
- M Jeselnik
- Faculty of Chemistry and Chemical Technology, University of Ljubljana, Slovenia
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Asada Y, Li W, Yoshikawa T. Biosynthesis of the dimethylallyl moiety of glabrol in Glycyrrhiza glabra hairy root cultures via a non-mevalonate pathway. PHYTOCHEMISTRY 2000; 55:323-326. [PMID: 11117880 DOI: 10.1016/s0031-9422(00)00327-7] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
Incorporation of [1-13C]glucose indicates that the biosynthesis of the hemiterpene moiety of glabrol, the main prenylated flavanone in the hairy root cultures of Glycyrrhiza glabra, proceeds via a glyceraldehyde/pyruvate non-mevalonate pathway.
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Affiliation(s)
- Y Asada
- School of Pharmaceutical Sciences, Kitasato University, Tokyo, Japan.
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Boucher Y, Doolittle WF. The role of lateral gene transfer in the evolution of isoprenoid biosynthesis pathways. Mol Microbiol 2000; 37:703-16. [PMID: 10972794 DOI: 10.1046/j.1365-2958.2000.02004.x] [Citation(s) in RCA: 195] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Lateral gene transfer (LGT) is a major force in microbial genome evolution. Here, we present an overview of lateral transfers affecting genes involved in isopentenyl diphosphate (IPP) synthesis. Two alternative metabolic pathways can synthesize this universal precursor of isoprenoids, the 1-deoxy-D-xylulose 5-phosphate (DOXP) pathway and the mevalonate (MVA) pathway. We have surveyed recent genomic data and the biochemical literature to determine the distribution of the genes composing these pathways within the bacterial domain. The scattered distribution observed is incompatible with a simple scheme of vertical transmission. LGT (among and between bacteria, archaea and eukaryotes) more parsimoniously explains many features of this pattern. This alternative scenario is supported by phylogenetic analyses, which unambiguously confirm several cases of lateral transfer. Available biochemical data allow the formulation of hypotheses about selective pressures favouring transfer. The phylogenetic diversity of the organisms involved and the range of possible causes and effects of these transfer events make the IPP biosynthetic pathways an ideal system for studying the evolutionary role of LGT.
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Affiliation(s)
- Y Boucher
- Program in Evolutionary Biology, Canadian Institute for Advanced Research, Department of Biochemistry, Dalhousie University, Halifax, Nova Scotia, Canada.
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Steffensky M, Li SM, Heide L. Cloning, overexpression, and purification of novobiocic acid synthetase from Streptomyces spheroides NCIMB 11891. J Biol Chem 2000; 275:21754-60. [PMID: 10801869 DOI: 10.1074/jbc.m003066200] [Citation(s) in RCA: 58] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Novobiocic acid synthetase, a key enzyme in the biosynthesis of the antibiotic novobiocin, was cloned from the novobiocin producer Streptomyces spheroides NCIMB 11891. The enzyme is encoded by the gene novL, which codes for a protein of 527 amino acids with a calculated mass of 56,885 Da. The protein was overexpressed as a His(6) fusion protein in Escherichia coli and purified to apparent homogeneity by affinity chromatography and gel chromatography. The purified enzyme catalyzed the formation of an amide bond between 3-dimethylallyl-4-hydroxybenzoic acid (ring A of novobiocin) and 3-amino-4,7-dihydroxy-8-methyl coumarin (ring B of novobiocin) in an ATP-dependent reaction. NovL shows homology to the superfamily of adenylate-forming enzymes, and indeed the formation of an acyl adenylate from ring A and ATP was demonstrated by an ATP-PP(i) exchange assay. The purified enzyme exhibited both activation and transferase activity, i.e. it catalyzed both the activation of ring A as acyl adenylate and the subsequent transfer of the acyl group to the amino group of ring B. It is active as a monomer as determined by gel filtration chromatography. The reaction was specific for ATP as nucleotide triphosphate and dependent on the presence of Mg(2+) or Mn(2+). Apparent K(m) values for ring A and ring B were determined as 19 and 131 micrometer respectively. Of several analogues of ring A, only 3-geranyl-4-hydroxybenzoate and to a lesser extent 3-methyl-4-aminobenzoate were accepted as substrates.
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Affiliation(s)
- M Steffensky
- Eberhard-Karls-Universität Tübingen, Pharmazeutisches Institut, Pharmazeutische Biologie, 72076 Tübingen, Germany
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Steffensky M, Mühlenweg A, Wang ZX, Li SM, Heide L. Identification of the novobiocin biosynthetic gene cluster of Streptomyces spheroides NCIB 11891. Antimicrob Agents Chemother 2000; 44:1214-22. [PMID: 10770754 PMCID: PMC89847 DOI: 10.1128/aac.44.5.1214-1222.2000] [Citation(s) in RCA: 151] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/1999] [Accepted: 01/29/2000] [Indexed: 11/20/2022] Open
Abstract
The novobiocin biosynthetic gene cluster from Streptomyces spheroides NCIB 11891 was cloned by using homologous deoxynucleoside diphosphate (dNDP)-glucose 4,6-dehydratase gene fragments as probes. Double-stranded sequencing of 25.6 kb revealed the presence of 23 putative open reading frames (ORFs), including the gene for novobiocin resistance, gyrB(r), and at least 11 further ORFs to which a possible role in novobiocin biosynthesis could be assigned. An insertional inactivation experiment with a dNDP-glucose 4, 6-dehydratase fragment resulted in abolishment of novobiocin production, since biosynthesis of the deoxysugar moiety of novobiocin was blocked. Heterologous expression of a key enzyme of novobiocin biosynthesis, i.e., novobiocic acid synthetase, in Streptomyces lividans TK24 further confirmed the involvement of the analyzed genes in the biosynthesis of the antibiotic.
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Affiliation(s)
- M Steffensky
- Pharmazeutische Biologie, Pharmazeutisches Institut, Eberhard-Karls-Universität Tübingen, 72076 Tübingen, Germany
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Kuzuyama T, Takahashi S, Seto H. Construction and characterization of Escherichia coli disruptants defective in the yaeM gene. Biosci Biotechnol Biochem 1999; 63:776-8. [PMID: 10361694 DOI: 10.1271/bbb.63.776] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Escherichia coli disruptants defective in the yaeM gene, which is located at 4.2 min on the chromosome map, were constructed and characterized. The disruptants showed auxotrophy for 2-C-methylerythritol, a free alcohol of 2-C-methyl-D-erythritol 4-phosphate that is a biosynthetic precursor in the nonmevalonate pathway. This result clearly shows that the yaeM gene is indeed involved in this pathway in E. coli.
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Affiliation(s)
- T Kuzuyama
- Institute of Molecular and Cellular Biosciences, University of Tokyo, Japan
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Seto H, Orihara N, Furihata K. Studies on the biosynthesis of terpenoids produced by actinomycetes. Part 4. Formation of BE-40644 by the mevalonate and nonmevalonate pathways. Tetrahedron Lett 1998. [DOI: 10.1016/s0040-4039(98)02154-6] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Bacher A, Rieder C, Eichinger D, Arigoni D, Fuchs G, Eisenreich W. Elucidation of novel biosynthetic pathways and metabolite flux patterns by retrobiosynthetic NMR analysis. FEMS Microbiol Rev 1998. [DOI: 10.1111/j.1574-6976.1998.tb00388.x] [Citation(s) in RCA: 63] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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Irie K, Nakagawa Y, Tomimatsu S, Ohigashi H. Biosynthesis of the monoterpenoid moiety of teleocidins via the non-mevalonate pathway in Streptomyces. Tetrahedron Lett 1998. [DOI: 10.1016/s0040-4039(98)01764-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Kuzuyama T, Shimizu T, Takahashi S, Seto H. Fosmidomycin, a specific inhibitor of 1-deoxy-d-xylulose 5-phosphate reductoisomerase in the nonmevalonate pathway for terpenoid biosynthesis. Tetrahedron Lett 1998. [DOI: 10.1016/s0040-4039(98)01755-9] [Citation(s) in RCA: 286] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Eisenreich W, Schwarz M, Cartayrade A, Arigoni D, Zenk MH, Bacher A. The deoxyxylulose phosphate pathway of terpenoid biosynthesis in plants and microorganisms. CHEMISTRY & BIOLOGY 1998; 5:R221-33. [PMID: 9751645 DOI: 10.1016/s1074-5521(98)90002-3] [Citation(s) in RCA: 270] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Recent studies have uncovered the existence of an alternative, non-mevalonate pathway for the formation of isopentenyl pyrophosphate and dimethylallyl pyrophosphate, the two building blocks of terpene biosynthesis.
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Affiliation(s)
- W Eisenreich
- Institut für Organische Chemie und Biochemie, Technische Universität München, Garching, Germany
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Takahashi S, Kuzuyama T, Watanabe H, Seto H. A 1-deoxy-D-xylulose 5-phosphate reductoisomerase catalyzing the formation of 2-C-methyl-D-erythritol 4-phosphate in an alternative nonmevalonate pathway for terpenoid biosynthesis. Proc Natl Acad Sci U S A 1998; 95:9879-84. [PMID: 9707569 PMCID: PMC21430 DOI: 10.1073/pnas.95.17.9879] [Citation(s) in RCA: 345] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Several eubacteria including Esherichia coli use an alternative nonmevalonate pathway for the biosynthesis of isopentenyl diphosphate instead of the ubiquitous mevalonate pathway. In the alternative pathway, 2-C-methyl-D-erythritol or its 4-phosphate, which is proposed to be formed from 1-deoxy-D-xylulose 5-phosphate via intramolecular rearrangement followed by reduction process, is one of the biosynthetic precursors of isopentenyl diphosphate. To clone the gene(s) responsible for synthesis of 2-C-methyl-D-erythritol 4-phosphate, we prepared and selected E. coli mutants with an obligatory requirement for 2-C-methylerythritol for growth and survival. All the DNA fragments that complemented the defect in synthesizing 2-C-methyl-D-erythritol 4-phosphate of these mutants contained the yaeM gene, which is located at 4.2 min on the chromosomal map of E. coli. The gene product showed significant homologies to hypothetical proteins with unknown functions present in Haemophilus influenzae, Synechocystis sp. PCC6803, Mycobacterium tuberculosis, Helicobacter pyroli, and Bacillus subtilis. The purified recombinant yaeM gene product was overexpressed in E. coli and found to catalyze the formation of 2-C-methyl-D-erythritol 4-phosphate from 1-deoxy-D-xylulose 5-phosphate in the presence of NADPH. Replacement of NADPH with NADH decreased the reaction rate to about 1% of the original rate. The enzyme required Mn2+, Co2+, or Mg2+ as well. These data clearly show that the yaeM gene encodes an enzyme, designated 1-deoxy-D-xylulose 5-phosphate reductoisomerase, that synthesizes 2-C-methyl-D-erythritol 4-phosphate from 1-deoxy-D-xylulose 5-phosphate, in a single step by intramolecular rearrangement and reduction and that this gene is responsible for terpenoid biosynthesis in E. coli.
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Affiliation(s)
- S Takahashi
- Institute of Molecular and Cellular Biosciences, University of Tokyo, Bunkyo-ku, Tokyo 113-0032, Japan
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