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Gutiérrez-Corona JF, González-Hernández GA, Padilla-Guerrero IE, Olmedo-Monfil V, Martínez-Rocha AL, Patiño-Medina JA, Meza-Carmen V, Torres-Guzmán JC. Fungal Alcohol Dehydrogenases: Physiological Function, Molecular Properties, Regulation of Their Production, and Biotechnological Potential. Cells 2023; 12:2239. [PMID: 37759461 PMCID: PMC10526403 DOI: 10.3390/cells12182239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 08/27/2023] [Accepted: 08/31/2023] [Indexed: 09/29/2023] Open
Abstract
Fungal alcohol dehydrogenases (ADHs) participate in growth under aerobic or anaerobic conditions, morphogenetic processes, and pathogenesis of diverse fungal genera. These processes are associated with metabolic operation routes related to alcohol, aldehyde, and acid production. The number of ADH enzymes, their metabolic roles, and their functions vary within fungal species. The most studied ADHs are associated with ethanol metabolism, either as fermentative enzymes involved in the production of this alcohol or as oxidative enzymes necessary for the use of ethanol as a carbon source; other enzymes participate in survival under microaerobic conditions. The fast generation of data using genome sequencing provides an excellent opportunity to determine a correlation between the number of ADHs and fungal lifestyle. Therefore, this review aims to summarize the latest knowledge about the importance of ADH enzymes in the physiology and metabolism of fungal cells, as well as their structure, regulation, evolutionary relationships, and biotechnological potential.
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Affiliation(s)
- J. Félix Gutiérrez-Corona
- Departamento de Biología, DCNE, Universidad de Guanajuato, Guanajuato C.P. 36050, Mexico; (G.A.G.-H.); (I.E.P.-G.); (V.O.-M.); (A.L.M.-R.)
| | - Gloria Angélica González-Hernández
- Departamento de Biología, DCNE, Universidad de Guanajuato, Guanajuato C.P. 36050, Mexico; (G.A.G.-H.); (I.E.P.-G.); (V.O.-M.); (A.L.M.-R.)
| | - Israel Enrique Padilla-Guerrero
- Departamento de Biología, DCNE, Universidad de Guanajuato, Guanajuato C.P. 36050, Mexico; (G.A.G.-H.); (I.E.P.-G.); (V.O.-M.); (A.L.M.-R.)
| | - Vianey Olmedo-Monfil
- Departamento de Biología, DCNE, Universidad de Guanajuato, Guanajuato C.P. 36050, Mexico; (G.A.G.-H.); (I.E.P.-G.); (V.O.-M.); (A.L.M.-R.)
| | - Ana Lilia Martínez-Rocha
- Departamento de Biología, DCNE, Universidad de Guanajuato, Guanajuato C.P. 36050, Mexico; (G.A.G.-H.); (I.E.P.-G.); (V.O.-M.); (A.L.M.-R.)
| | - J. Alberto Patiño-Medina
- Instituto de Investigaciones Químico Biológicas, Universidad Michoacana de San Nicolás de Hidalgo (UMSNH), Morelia C.P. 58030, Mexico; (J.A.P.-M.); (V.M.-C.)
| | - Víctor Meza-Carmen
- Instituto de Investigaciones Químico Biológicas, Universidad Michoacana de San Nicolás de Hidalgo (UMSNH), Morelia C.P. 58030, Mexico; (J.A.P.-M.); (V.M.-C.)
| | - Juan Carlos Torres-Guzmán
- Departamento de Biología, DCNE, Universidad de Guanajuato, Guanajuato C.P. 36050, Mexico; (G.A.G.-H.); (I.E.P.-G.); (V.O.-M.); (A.L.M.-R.)
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2
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Cardarelli S, D'Amici S, Tassone P, Tramonti A, Uccelletti D, Mancini P, Saliola M. Characterization of the transcription factor encoding gene, KlADR1: metabolic role in Kluyveromyces lactis and expression in Saccharomyces cerevisiae. MICROBIOLOGY-SGM 2016; 162:1933-1944. [PMID: 27655407 DOI: 10.1099/mic.0.000374] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
In Saccharomyces cerevisiae, Adr1 is a zinc-finger transcription factor involved in the transcriptional activation of ADH2. Deletion of KlADR1, its putative ortholog in Kluyveromyces lactis, led to reduced growth in glycerol, oleate and yeast extract-peptone medium suggesting, as in S. cerevisiae, its requirement for glycerol, fatty acid and nitrogen utilization. Moreover, growth comparison on yeast extract and peptone plates showed in K. lactis a KlAdr1-dependent growth trait not present in S. cerevisiae, indicating different metabolic roles of the two factors in their environmental niches. KlADR1 is required for growth under respiratory and fermentative conditions like KlADH, alcohol dehydrogenase genes necessary for metabolic adaptation during the growth transition. Using in-gel native alcohol dehydrogenase assay, we showed that this factor affected the Adh pattern by altering the balance between these activities. Since the activity most affected by KlAdr1 is KlAdh3, a deletion analysis of the KlADH3 promoter allowed the isolation of a DNA fragment through which KlAdr1 modulated its expression. The expression of the KlADR1-GFP gene allowed the intracellular localization of the factor in K. lactis and S. cerevisiae, suggesting in the two yeasts a common mechanism of KlAdr1 translocation under fermentative and respiratory conditions. Finally, the chimeric Kl/ScADR1 gene encoding the zinc-finger domains of KlAdr1 fused to the transactivating domains of the S. cerevisiae factor activated in Scadr1Δ the transcription of ADH2 in a ScAdr1-dependent fashion.
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Affiliation(s)
- Silvia Cardarelli
- Department of Biology and Biotechnology 'C. Darwin', Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy
| | - Sirio D'Amici
- Department of Biology and Biotechnology 'C. Darwin', Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy
| | - Paola Tassone
- Department of Biology and Biotechnology 'C. Darwin', Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy
| | - Angela Tramonti
- CNR Department of Biochemical Sciences 'Rossi Fanelli', Istituto di Biologia e Patologia Molecolari, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy
| | - Daniela Uccelletti
- Department of Biology and Biotechnology 'C. Darwin', Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy
| | - Patrizia Mancini
- Department of Experimental Medicine, Sapienza University of Rome, Viale Regina Elena 324, 00161 Rome, Italy
| | - Michele Saliola
- Department of Biology and Biotechnology 'C. Darwin', Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy
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3
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Homologous and Heterologous Expression of Basidiomycete Genes Related to Plant Biomass Degradation. Fungal Biol 2016. [DOI: 10.1007/978-3-319-27951-0_5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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4
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Lin Y, He P, Wang Q, Lu D, Li Z, Wu C, Jiang N. The alcohol dehydrogenase system in the xylose-fermenting yeast Candida maltosa. PLoS One 2010; 5:e11752. [PMID: 20668703 PMCID: PMC2909261 DOI: 10.1371/journal.pone.0011752] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2010] [Accepted: 07/01/2010] [Indexed: 11/18/2022] Open
Abstract
BACKGROUND The alcohol dehydrogenase (ADH) system plays a critical role in sugar metabolism involving in not only ethanol formation and consumption but also the general "cofactor balance" mechanism. Candida maltosa is able to ferment glucose as well as xylose to produce a significant amount of ethanol. Here we report the ADH system in C. maltosa composed of three microbial group I ADH genes (CmADH1, CmADH2A and CmADH2B), mainly focusing on its metabolic regulation and physiological function. METHODOLOGY/PRINCIPAL FINDINGS Genetic analysis indicated that CmADH2A and CmADH2B tandemly located on the chromosome could be derived from tandem gene duplication. In vitro characterization of enzymatic properties revealed that all the three CmADHs had broad substrate specificities. Homo- and heterotetramers of CmADH1 and CmADH2A were demonstrated by zymogram analysis, and their expression profiles and physiological functions were different with respect to carbon sources and growth phases. Fermentation studies of ADH2A-deficient mutant showed that CmADH2A was directly related to NAD regeneration during xylose metabolism since CmADH2A deficiency resulted in a significant accumulation of glycerol. CONCLUSIONS/SIGNIFICANCE Our results revealed that CmADH1 was responsible for ethanol formation during glucose metabolism, whereas CmADH2A was glucose-repressed and functioned to convert the accumulated ethanol to acetaldehyde. To our knowledge, this is the first demonstration of function separation and glucose repression of ADH genes in xylose-fermenting yeasts. On the other hand, CmADH1 and CmADH2A were both involved in ethanol formation with NAD regeneration to maintain NADH/NAD ratio in favor of producing xylitol from xylose. In contrast, CmADH2B was expressed at a much lower level than the other two CmADH genes, and its function is to be further confirmed.
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Affiliation(s)
- Yuping Lin
- Centre of Microbial Biotechnology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China
- Graduate School, Chinese Academy of Sciences, Beijing, China
| | - Peng He
- Centre of Microbial Biotechnology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China
| | - Qinhong Wang
- Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin, China
- * E-mail: (NJ); (QW)
| | - Dajun Lu
- Centre of Microbial Biotechnology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China
| | - Zilong Li
- Centre of Microbial Biotechnology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China
- Graduate School, Chinese Academy of Sciences, Beijing, China
| | - Changsheng Wu
- Centre of Microbial Biotechnology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China
- Graduate School, Chinese Academy of Sciences, Beijing, China
| | - Ning Jiang
- Centre of Microbial Biotechnology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China
- * E-mail: (NJ); (QW)
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Bucciarelli T, Saliola M, Brisdelli F, Bozzi A, Falcone C, Di Ilio C, Martini F. Oxidation of Cys278 of ADH I isozyme from Kluyveromyces lactis by naturally occurring disulfides causes its reversible inactivation. BIOCHIMICA ET BIOPHYSICA ACTA-PROTEINS AND PROTEOMICS 2009; 1794:563-8. [DOI: 10.1016/j.bbapap.2008.12.009] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/17/2008] [Revised: 11/28/2008] [Accepted: 12/04/2008] [Indexed: 10/21/2022]
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6
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Park YC, Yun NR, San KY, Bennett GN. Molecular cloning and characterization of the alcohol dehydrogenase ADH1 gene of Candida utilis ATCC 9950. J Ind Microbiol Biotechnol 2006; 33:1032-6. [PMID: 16855819 DOI: 10.1007/s10295-006-0154-8] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2006] [Accepted: 06/21/2006] [Indexed: 11/28/2022]
Abstract
The alcohol dehydrogenase gene (ADH1) of Candida utilis ATCC9950 was cloned and expressed in recombinant Escherichia coli. C. utilis ADH1 was obtained by PCR amplification of C. utilis genomic DNA using two degenerate primers. Amino acid sequence analysis of C. utilis ADH1 indicated that it contained a zinc-binding consensus region and a NAD(P)(+)-binding site, and lacked a mitochondrial targeting peptide. It has a 98 and 73% identity with ADH1s of C. albicans and Saccharomyces cerevisiae, respectively. Amino acid sequence analysis and enzyme characterization with various aliphatic and branched alcohols suggested that C. utilis ADH1 might be a primary alcohol dehydrogenase existing in the cytoplasm and requiring zinc ion and NAD(P)(+) for reaction.
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Affiliation(s)
- Yong-Cheol Park
- Department of Biochemistry and Cell Biology, Rice University, 6100 Main street, Houston, TX 77005, USA.
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7
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Mazzoni C, Mancini P, Madeo F, Palermo V, Falcone C. A Kluyveromyces lactis mutant in the essential gene KlLSM4 shows phenotypic markers of apoptosis. FEMS Yeast Res 2004; 4:29-35. [PMID: 14554194 DOI: 10.1016/s1567-1356(03)00151-x] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
We report the study of Kluyveromyces lactis cells expressing a truncated form of KlLSM4, a gene ortholog to LSM4 of Saccharomyces cerevisiae which encodes an essential protein involved in both pre-mRNA splicing and mRNA decapping. We had previously demonstrated that the first 72 amino acids of the K. lactis Lsm4p (KlLsm4Deltap) can restore cell growth in both K. lactis and S. cerevisiae cells not expressing the endogenous protein. However, cells showed a remarkable loss of viability in stationary phase. Here we report that cells expressing KlLsm4Deltap presented clear apoptotic markers such as chromatin condensation, DNA fragmentation, accumulation of reactive oxygen species, and showed increased sensitivity to different drugs. RNA analysis revealed that pre-mRNA splicing was almost normal while mRNA degradation was significantly delayed, pointing to this as the possible step responsible for the observed phenotypes.
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Affiliation(s)
- Cristina Mazzoni
- Department of Cell and Developmental Biology, University of Rome La Sapienza, Piazzale Aldo Moro 5, 00185 Rome, Italy.
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8
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Brisdelli F, Saliola M, Pascarella S, Luzi C, Franceschini N, Falcone C, Martini F, Bozzi A. Kinetic properties of native and mutagenized isoforms of mitochondrial alcohol dehydrogenase III purified from Kluyveromyces lactis. Biochimie 2004; 86:705-12. [PMID: 15556281 DOI: 10.1016/j.biochi.2004.08.004] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2003] [Accepted: 08/24/2004] [Indexed: 11/20/2022]
Abstract
By computer modelling and protein engineering we have investigated changes in two amino acid residues located in the coenzyme pocket of the yeast Kluyveromyces lactis mitochondrial alcohol dehydrogenase III. These two residues, Gly 225 and Ala 274, were hypothesized to be involved in the enzyme discrimination between NAD(H) and NADP(H). Upon changing Gly 225 to Ala we produced an enzyme (mutant G225A) showing very little difference from the wild-type. On the contrary, change at position 274 of Phe instead of Ala (mutant A274F) caused a significant increase of K(m) values for NAD(P) and for NADPH and even a more marked decrease in catalytic activity. The k(cat)/K(m) rates for NADP(H) were also decreased in this mutant. Enzymes with the double changes at 225 and 274 (mutant G225A-A274F) showed, apart the substantial low K(m) value for NADPH and its high catalytic efficiency, kinetic parameters relative to coenzymes which were not additive over the single substitutions. Surprisingly, enzymes with changes at the two positions reduced efficiently acetaldehyde, displaying a K(m) value 10-fold lower and a catalytic efficiency sevenfold higher with respect to parent or singularly mutated enzymes. None of the engineered enzymes would convert formaldehyde, glutaraldehyde or aromatic aldehydes but all enzymes reduced propionaldehyde and butyraldehyde at relative reaction rates approximately half of that exhibited by acetaldehyde. Interestingly only mutant A274F was able to oxidize methanol almost as well as ethanol. In addition, this mutant was capable to convert secondary and cyclic alcohols, at a rate not detected in the other isoforms. These results are in general agreement with the prediction that increasing the size of amino acids in the proximity of the coenzyme pocket would hamper the accommodation of NADP but discord the increased affinity for NADPH as well as for alcoholic or aldehydic substrates with high steric hindrance.
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Affiliation(s)
- Fabrizia Brisdelli
- Department of Biomedical and Technological Sciences, University of L'Aquila, Via Vetoio, Coppito 2, 67100 L'Aquila, Italy
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9
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Sacchetta P, Di Rado R, Saliola M, Bozzi A, Falcone C, Di Ilio C, Martini F. Multiple unfolded states of alcohol dehydrogenase I from Kluyveromyces lactis by guanidinium chloride. BIOCHIMICA ET BIOPHYSICA ACTA 2001; 1545:238-44. [PMID: 11342049 DOI: 10.1016/s0167-4838(00)00283-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Inactivation, dissociation, and unfolding of tetrameric alcohol dehydrogenase I from Kluyveromyces lactis (KlADH I) were investigated using guanidinium chloride (GdmCl) as denaturant. Protein transitions were monitored by enzyme activity, intrinsic fluorescence and gel filtration chromatography. At low denaturant concentrations (less than 0.3 M), reversible transformation of enzyme into tetrameric inactive form occurs. At denaturant concentrations between 0.3 and 0.5 M, the enzyme progressively dissociates into structured monomers through an irreversible reaction. At higher denaturant concentrations, the monomers unfold completely. Refolding studies indicate that a total reactivation occurs only with the enzyme denatured between 0 and 0.3 M GdmCl concentrations. The enzyme denatured at GdmCl concentrations higher than 0.3 M refolds only partially. All together, our results indicate that unfolding of the KlADH I is a multistep process, i.e., inactivation of the structured tetramer, dissociation into partially structured monomers, followed by complete unfolding.
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Affiliation(s)
- P Sacchetta
- Department of Biomedical Sciences, University "G. D'Annunzio", Chieti, Italy
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10
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Heipieper HJ, Isken S, Saliola M. Ethanol tolerance and membrane fatty acid adaptation in adh multiple and null mutants of Kluyveromyces lactis. Res Microbiol 2000; 151:777-84. [PMID: 11130868 DOI: 10.1016/s0923-2508(00)01143-8] [Citation(s) in RCA: 37] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The effects of ethanol and 1-octanol on growth and fatty acid composition of different strains of Kluyveromyces lactis containing a mutation in the four different alcohol dehydrogenase (KlADH) genes were investigated. In the presence of ethanol and 1-octanol K. lactis reduced the fluidity of its lipids by decreasing the unsaturation index (UI) of its membrane fatty acids. In this way, a direct correlation between nonlethal ethanol concentrations and the decrease in the UI could be observed. At concentrations which totally inhibited cell growth no reaction occurred. These adaptive modifications of the fatty acid pattern of K. lactis to ethanol contrasted with those reported for Saccharomyces cerevisiae and Schizosaccharomyces pombe. Whereas these two yeasts increased the fluidity of their membrane lipids in the presence of ethanol, K. lactis reduced the fluidity (UI) of its lipids. Among the different isogenic adh negative strains tested, the strain containing no ADH (adh0) and that containing only KlADH1 were the most alcohol-sensitive. The strain with only KlADH2 showed nearly the same tolerance as reference strain CBS 2359/152 containing all four ADH genes. This suggests that the KlADH2 product could play an important role in the adaptation/detoxification reactions of K. lactis to high ethanol concentrations.
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Affiliation(s)
- H J Heipieper
- Department of Biology, Third University of Rome, Italy.
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11
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Suvarna K, Bartiss A, Wong B. Mannitol-1-phosphate dehydrogenase from Cryptococcus neoformans is a zinc-containing long-chain alcohol/polyol dehydrogenase. MICROBIOLOGY (READING, ENGLAND) 2000; 146 ( Pt 10):2705-2713. [PMID: 11021946 DOI: 10.1099/00221287-146-10-2705] [Citation(s) in RCA: 42] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Cryptococcus neoformans, the causative agent of cryptococcosis, produces large amounts of mannitol in culture and in infected mammalian hosts. Although there is considerable indirect evidence that mannitol synthesis may be required for wild-type stress tolerance and virulence in C. neoformans, this hypothesis has not been tested directly. It has been proposed that mannitol-1-phosphate dehydrogenase (MPD) is required for fungal mannitol synthesis, but no MPD-deficient fungal mutants or cDNAs or genes encoding fungal MPDs have been described. Therefore, C. neoformans was purified from a 148 kDa homotetramer of 36 kDa subunits that catalysed the reaction mannitol1-phosphate+NAD--><--fructose 6-phosphate+NADH. Partial peptide sequences were used to isolate the corresponding cDNA and gene, and the deduced MPD protein was found to be homologous to the zinc-containing long-chain alcohol/polyol dehydrogenases. Lysates of Saccharomyces cerevisiae transformed with the cDNA of interest (but not vector-transformed controls) contained MPD catalytic activity. Lastly, Northern analyses demonstrated MPD mRNA in glucose- and mannitol-grown C. neoformans cells. Thus, MPD has been purified and characterized from C. neoformans, and the corresponding cDNA and gene (MPD1) cloned and sequenced. Availability of C. neoformans MPD1 should permit direct testing of the hypotheses that (i) MPD is required for mannitol biosynthesis and (ii) the ability to synthesize mannitol is essential for wild-type stress tolerance and virulence.
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Affiliation(s)
- Kalavat Suvarna
- Department of Internal Medicine, Yale University School of Medicine, New Haven, CT, USA1
| | - Ann Bartiss
- Infectious Diseases Section, VA Connecticut Healthcare System, West Haven, CT, USA2
| | - Brian Wong
- Infectious Diseases Section, VA Connecticut Healthcare System, West Haven, CT, USA2
- Department of Internal Medicine, Yale University School of Medicine, New Haven, CT, USA1
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12
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Ladrière JM, Georis I, Guérineau M, Vandenhaute J. Kluyveromyces marxianus exhibits an ancestral Saccharomyces cerevisiae genome organization downstream of ADH2. Gene 2000; 255:83-91. [PMID: 10974568 DOI: 10.1016/s0378-1119(00)00310-3] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
In Saccharomyces cerevisiae, the alcohol dehydrogenase genes ADH1 and ADH5 are part of a duplicated block of genome, thought to originate from a genome-wide duplication posterior to the divergence from the Kluyveromyces lineage. We report here the characterization of Kluyveromyces marxianus ADH2 and the five genes found in its immediate downstream region, MRPS9, YOL087C, RPB5, RIB7 and SPP381. The order of these six genes reflects the structure of the ancestral S. cerevisiae genome before the duplication that formed the blocks including ADH1 on chromosome XV and ADH5 on chromosome II, indicating these ADH genes share a direct ancestor. On the one hand, the two genes found immediately downstream of KmADH2 are located, for the first, downstream ADH5 and, for the second, downstream ADH1 in S. cerevisiae. On the other hand, the order of the paralogs included in the blocks of ADH1 and ADH5 in S. cerevisiae suggests that two of them have been inverted within one block after its formation, and that inversion is confirmed by the gene order observed in K. marxianus.
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Affiliation(s)
- J M Ladrière
- Unité de Recherche en Biologie Moléculaire, Laboratoire de Génétique Moléculaire, Facultés Universitaires Notre-Dame de la Paix, Namur, Belgium.
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13
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Zeeman AM, Kuyper M, Pronk JT, van Dijken JP, Steensma HY. Regulation of pyruvate metabolism in chemostat cultures of Kluyveromyces lactis CBS 2359. Yeast 2000; 16:611-20. [PMID: 10806423 DOI: 10.1002/(sici)1097-0061(200005)16:7<611::aid-yea558>3.0.co;2-z] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
Abstract
Regulation of currently identified genes involved in pyruvate metabolism of Kluyveromyces lactis strain CBS 2359 was studied in glucose-limited, ethanol-limited and acetate-limited chemostat cultures and during a glucose pulse added to a glucose-limited steady-state culture. Enzyme activity levels of the pyruvate dehydrogenase complex, pyruvate decarboxylase, alcohol dehydrogenase, acetyl-CoA synthetase and glucose-6-phosphate dehydrogenase were determined in all steady-state cultures. In addition, the mRNA levels of KlADH1-4, KlACS1, KlACS2, KlPDA1, KlPDC1 and RAG1 were monitored under steady-state conditions and during glucose pulses. In K. lactis, as in Saccharomyces cerevisiae, enzymes involved in glucose utilization (glucose-6-phosphate dehydrogenase, pyruvate dehydrogenase, pyruvate decarboxylase) showed the highest expression levels on glucose, whereas enzymes required for ethanol or acetate consumption (alcohol dehydrogenase, acetyl-CoA synthetase) showed the highest enzyme activities on ethanol. In cases where mRNA levels were determined, these corresponded well with the corresponding enzyme activities, suggesting that regulation is mostly achieved at the transcriptional level. Surprisingly, the activity of the K. lactis pyruvate dehydrogenase complex appeared to be regulated at the level of KlPDA1 transcription. The conclusions from the steady-state cultures were corroborated by glucose pulse experiments. Overall, expression of the enzymes of pyruvate metabolism in the Crabtree-negative yeast K. lactis appeared to be regulated in the same way as in Crabtree-positive S. cerevisiae, with one notable exception: the PDA1 gene encoding the E1alpha subunit of the pyruvate dehydrogenase complex is expressed constitutively in S. cerevisiae.
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Affiliation(s)
- A M Zeeman
- Clusius Laboratory, Leiden University, Wassenaarseweg 64, 2333 AL, Leiden, The Netherlands
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14
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Mazzoni C, Santori F, Saliola M, Falcone C. Molecular analysis of UAS(E), a cis element containing stress response elements responsible for ethanol induction of the KlADH4 gene of Kluyveromyces lactis. Res Microbiol 2000; 151:19-28. [PMID: 10724480 DOI: 10.1016/s0923-2508(00)00131-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
KlADH4 is a gene of Kluyveromyces lactis encoding a mitochondrial alcohol dehydrogenase activity, which is specifically induced by ethanol and insensitive to glucose repression. In this work, we report the molecular analysis of UAS(E), an element of the KlADH4 promoter which is essential for the induction of KlADH4 in the presence of ethanol. UAS(E) contains five stress response elements (STREs), which have been found in many genes of Saccharomyces cerevisiae involved in the response of cells to conditions of stress. Whereas KlADH4 is not responsive to stress conditions, the STREs present in UAS(E) seem to play a key role in the induction of the gene by ethanol, a situation that has not been observed in the related yeast S. cerevisiae. Gel retardation experiments showed that STREs in the KlADH4 promoter can bind factor(s) under non-inducing conditions. Moreover, we observed that the RAP1 binding site present in UAS(E) binds KlRap1p.
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Affiliation(s)
- C Mazzoni
- Pasteur Institute-Cenci Bolognetti Foundation, Department of Cell and Developmental Biology, University of Rome La Sapienza, Italy.
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15
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Saliola M, Mazzoni C, Solimando N, Crisà A, Falcone C, Jung G, Fleer R. Use of the KlADH4 promoter for ethanol-dependent production of recombinant human serum albumin in Kluyveromyces lactis. Appl Environ Microbiol 1999; 65:53-60. [PMID: 9872759 PMCID: PMC90982 DOI: 10.1128/aem.65.1.53-60.1999] [Citation(s) in RCA: 36] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/1998] [Accepted: 10/08/1998] [Indexed: 11/20/2022] Open
Abstract
KlADH4 is a gene of Kluyveromyces lactis encoding a mitochondrial alcohol dehydrogenase activity which is specifically induced by ethanol. The promoter of this gene was used for the expression of heterologous proteins in K. lactis, a very promising organism which can be used as an alternative host to Saccharomyces cerevisiae due to its good secretory properties. In this paper we report the ethanol-driven expression in K. lactis of the bacterial beta-glucuronidase and of the human serum albumin (HSA) genes under the control of the KlADH4 promoter. In particular, we studied the extracellular production of recombinant HSA (rHSA) with integrative and replicative vectors and obtained a significant increase in the amount of the protein with multicopy vectors, showing that no limitation of KlADH4 trans-acting factors occurred in the cells. By deletion analysis of the promoter, we identified an element (UASE) which is sufficient for the induction of KlADH4 by ethanol and, when inserted in the respective promoters, allows ethanol-dependent activation of other yeast genes, such as PGK and LAC4. We also analyzed the effect of medium composition on cell growth and protein secretion. A clear improvement in the production of the recombinant protein was achieved by shifting from batch cultures (0.3 g/liter) to fed-batch cultures (1 g/liter) with ethanol as the preferred carbon source.
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Affiliation(s)
- M Saliola
- Department of Cell and Developmental Biology, Pasteur Institute-Cenci Bolognetti Foundation, University of Rome "La Sapienza," 00185 Rome, Italy
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16
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Passoth V, Schäfer B, Liebel B, Weierstall T, Klinner U. Molecular cloning of alcohol dehydrogenase genes of the yeast Pichia stipitis and identification of the fermentative ADH. Yeast 1998; 14:1311-25. [PMID: 9802210 DOI: 10.1002/(sici)1097-0061(1998100)14:14<1311::aid-yea315>3.0.co;2-t] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
Abstract
Two Pichia stipitis ADH genes (PsADH1 and PsADH2) were isolated by complementation of a Saccharomyces cerevisiae Adh(-)-mutant. The genes enabled the transformants to grow in the presence of antimycin A on glucose, to use ethanol as sole carbon source and made them sensitive to allylalcohol. The sequences of the genes showed similarities of 70-77% to sequences of ADH genes of Candida albicans, Kluyveromyces lactis, K. marxianus, and S. cerevisiae and about 60% homology to those of Schizosaccharomyces pombe and Aspergillus flavus. Southern hybridization experiments suggested that P. stipitis has only these two ADH genes. Both genes are located on the largest chromosome of P. stipitis. PsADH2 encodes for the ADH activity that is responsible for ethanol formation at oxygen limitation. The gene is regulated at the transcriptional level. Moreover, also in cells grown on ethanol, only PsADH2 transcript was found. PsADH1 transcript was detected under aerobic conditions on fermentable carbon sources.
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Affiliation(s)
- V Passoth
- Institut für Biologie IV (Mikrobiologie), RWTH Aachen, Germany
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17
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Cho JY, Jeffries TW. Pichia stipitis genes for alcohol dehydrogenase with fermentative and respiratory functions. Appl Environ Microbiol 1998; 64:1350-8. [PMID: 9546172 PMCID: PMC106154 DOI: 10.1128/aem.64.4.1350-1358.1998] [Citation(s) in RCA: 46] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Two genes coding for isozymes of alcohol dehydrogenase (ADH); designated PsADH1 and PsADH2, have been identified and isolated from Pichia stipitis CBS 6054 genomic DNA by Southern hybridization to Saccharomyces cerevisiae ADH genes, and their physiological roles have been characterized through disruption. The amino acid sequences of the PsADH1 and PsADH2 isozymes are 80.5% identical to one another and are 71.9 and 74.7% identical to the S. cerevisiae ADH1 protein. They also show a high level identity with the group I ADH proteins from Kluyveromyces lactis. The PsADH isozymes are presumably localized in the cytoplasm, as they do not possess the amino-terminal extension of mitochondrion-targeted ADHs. Gene disruption studies suggest that PsADH1 plays a major role in xylose fermentation because PsADH1 disruption results in a lower growth rate and profoundly greater accumulation of xylitol. Disruption of PsADH2 does not significantly affect ethanol production or aerobic growth on ethanol as long as PsADH1 is present. The PsADH1 and PsADH2 isozymes appear to be equivalent in the ability to convert ethanol to acetaldehyde, and either is sufficient to allow cell growth on ethanol. However, disruption of both genes blocks growth on ethanol. P. stipitis strains disrupted in either PsADH1 or PsADH2 still accumulate ethanol, although in different amounts, when grown on xylose under oxygen-limited conditions. The PsADH double disruptant, which is unable to grow on ethanol, still produces ethanol from xylose at about 13% of the rate seen in the parental strain. Thus, deletion of both PsADH1 and PsADH2 blocks ethanol respiration but not production, implying a separate path for fermentation.
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Affiliation(s)
- J Y Cho
- Forest Products Laboratory, U.S. Department of Agriculture, Forest Service, Madison, Wisconsin 53705, USA
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18
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Bozzi A, Saliola M, Falcone C, Bossa F, Martini F. Structural and biochemical studies of alcohol dehydrogenase isozymes from Kluyveromyces lactis. BIOCHIMICA ET BIOPHYSICA ACTA 1997; 1339:133-42. [PMID: 9165108 DOI: 10.1016/s0167-4838(96)00225-7] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
The cytosolic and mitochondrial alcohol dehydrogenases from Kluyveromyces lactis (KlADHs) were purified and characterised. Both the N-terminally blocked cytosolic isozymes, KlADH I and KlADH II, were strictly NAD-dependent and exhibited catalytic properties similar to those previously reported for other yeast ADHs. Conversely, the mitochondrial isozymes, KlADH III and KlADH IV, displayed Ala and Asn, respectively, as N-termini and were able to oxidise at an increased rate primary alcohols with aliphatic chains longer than ethanol, such as propanol, butanol, pentanol and hexanol. Interestingly, the mitochondrial KlADHs, at variance with cytosolic isozymes and the majority of ADHs from other sources, were capable of accepting as a cofactor, and in some case almost equally well, either NAD or NADP. Since Asp-223 of horse liver ADH, thought to be responsible for the selection of NAD as coenzyme, is strictly conserved in all the KlADH isozymes, this amino-acid residue should not be considered critical for the coenzyme discrimination with respect to the other residues lining the coenzyme binding pocket of the mitochondrial isozymes. The relatively low specificity of the mitochondrial KlADHs both toward the alcohols and the cofactor could be explained on the basis of an enhanced flexibility of the corresponding catalytic pockets. An involvement of the mitochondrial KlADH isozymes in the physiological reoxidation of the cytosolic NADPH was also hypothesized. Moreover, both cytosolic and KlADH IV isozymes have an additional cysteine, not involved in zinc binding, that could be responsible for the increased activity in the presence of 2-mercaptoethanol.
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Affiliation(s)
- A Bozzi
- Department of Technological and Biomedical Sciences, University of L'Aquila, Italy
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19
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Bertram G, Swoboda RK, Gooday GW, Gow NA, Brown AJ. Structure and regulation of the Candida albicans ADH1 gene encoding an immunogenic alcohol dehydrogenase. Yeast 1996; 12:115-27. [PMID: 8686375 DOI: 10.1002/(sici)1097-0061(199602)12:2<115::aid-yea889>3.0.co;2-e] [Citation(s) in RCA: 72] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
The Candida albicans ADH1 gene encodes an alcohol dehydrogenase which is immunogenic during infections in humans. The ADH1 gene was isolated and sequenced, and the 5'- and 3'-ends of its mRNA were mapped. The gene encodes a 350 amino acid polypeptide with strong homology (70.5-85.2% identity) to alcohol dehydrogenases from Saccharomyces cerevisiae, Kluyveromyces lactis and Schizosaccharomyces pombe. The cloned C. albicans ADH1 gene was shown to be functional through complementation of adh mutations and efficient production of active alcohol dehydrogenase in S. cerevisiae. Northern analysis of C. albicans RNA revealed that ADH1 mRNA levels were regulated in response to carbon source and during batch growth. During growth on glucose, ADH1 mRNA levels rose to maximum levels during late exponential growth phase and declined to low levels in stationary phase. The ADH1 mRNA was relatively abundant during growth on galactose, glycerol, pyruvate, lactate or succinate, and less abundant during growth on glucose or ethanol. Alcohol dehydrogenase levels did not correlate closely with ADH1 mRNA levels under the growth conditions studied, suggesting either that this locus is controlled at both transcriptional and post-transcriptional levels, or that other differentially regulated ADH loci exist in C. albicans.
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Affiliation(s)
- G Bertram
- University of Aberdeen, Marischal College, U.K
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20
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Saliola M, Falcone C. Two mitochondrial alcohol dehydrogenase activities of Kluyveromyces lactis are differently expressed during respiration and fermentation. MOLECULAR & GENERAL GENETICS : MGG 1995; 249:665-72. [PMID: 8544832 DOI: 10.1007/bf00418036] [Citation(s) in RCA: 39] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
The lactose-utilizing yeast Kluyveromyces lactis is an essentially aerobic organism in which both respiration and fermentation can coexist depending on the sugar concentration. Despite a low fermentative capacity as compared to Saccharomyces cerevisiae, four structural genes encoding alcohol dehydrogenase (ADH) activities are present in this yeast. Two of these activities, namely K1ADH III and K1ADH IV, are located within mitochondria and their presence is dependent on the carbon sources in the medium. In this paper we demonstrate by transcription and activity analysis that KlADH3 is expressed in the presence of low glucose concentrations and in the presence of respiratory carbon sources other than ethanol. Indeed ethanol acts as a strong repressor of this gene. On the other hand, KlADH4 is induced by the presence of ethanol and not by other respiratory carbon sources. We also demonstrate that the presence of KLADH III and KLADH IV in K. lactis cells is dependent on glucose concentration, glucose uptake and the amount of ethanol produced. As a consequence, these activities can be used as markers for the onset of respiratory and fermentative metabolism in this yeast.
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Affiliation(s)
- M Saliola
- Pasteur Institute-Cenci Bolognetti Foundation, Department of Cell and Developmental Biology, University of Rome, La Sapienza, Italy
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21
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Wallace KK, Bao ZY, Dai H, Digate R, Schuler G, Speedie MK, Reynolds KA. Purification of crotonyl-CoA reductase from Streptomyces collinus and cloning, sequencing and expression of the corresponding gene in Escherichia coli. EUROPEAN JOURNAL OF BIOCHEMISTRY 1995; 233:954-62. [PMID: 8521864 DOI: 10.1111/j.1432-1033.1995.954_3.x] [Citation(s) in RCA: 54] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
A crotonyl-CoA reductase (EC 1.3.1.38, acyl-CoA:NADP+ trans-2-oxidoreductase) catalyzing the conversion of crotonyl-CoA to butyryl-CoA has been purified and characterized from Streptomyces collinus. This enzyme, a dimer with subunits of identical mass (48 kDa), exhibits a Km = 18 microM for crotonyl-CoA and 15 microM for NADPH. The enzyme was unable to catalyze the reduction of any other enoyl-CoA thioesters or to utilize NADH as an electron donor. A highly effective inhibition by straight-chain fatty acids (Ki = 9.5 microM for palmitoyl-CoA) compared with branched-chain fatty acids (Ki > 400 microM for isopalmitoyl-CoA) was observed. All of these properties are consistent with a proposed role of the enzyme in providing butyryl-CoA as a starter unit for straight-chain fatty acid biosynthesis. The crotonyl-CoA reductase gene was cloned in Escherichia coli. This gene, with a proposed designation of ccr, is encoded in a 1344-bp open reading frame which predicts a primary translation product of 448 amino acids with a calculated molecular mass of 49.4 kDa. Several dispersed regions of highly significant sequence similarity were noted between the deduced amino acid sequence and various alcohol dehydrogenases and fatty acid synthases, including one region that contains a putative NADPH binding site. The ccr gene product was expressed in E. coli and the induced crotonyl-CoA reductase was purified tenfold and shown to have similar steady-state kinetics and electrophoretic mobility on sodium dodecyl sulfate/polyacrylamide to the native protein.
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Affiliation(s)
- K K Wallace
- Department of Pharmaceutical Sciences, School of Pharmacy, University of Maryland at Baltimore MD, USA
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22
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23
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Saliola M, Bellardi S, Marta I, Falcone C. Glucose metabolism and ethanol production in adh multiple and null mutants of Kluyveromyces lactis. Yeast 1994; 10:1133-40. [PMID: 7754703 DOI: 10.1002/yea.320100902] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
Abstract
Four genes coding for alcohol dehydrogenase (ADH) activities were identified in Kluyveromyces lactis. Due to the presence in this yeast of multiple ADH isozymes, mutants in the individual genes constructed by gene replacement yielded no clear phenotype. We crossed these mutants and developed a screening procedure which allowed us to identify strains lacking several ADH activities. The analysis of the adh triple mutants revealed that each activity confers to the cell the ability to grow on ethanol as the sole carbon source. On the contrary, adh null strains failed to grow on this substrate, indicating that no other important ADH activities are present in K. lactis cells. In the adh null mutants we also found a residual production of ethanol, as has been reported to be the case in Saccharomyces cerevisiae. This production showed a ten-fold increase when the K1ADHI activity was reintroduced in the null mutant and cells were cultivated under oxygen-limiting conditions. Differently from S. cerevisiae, glycerol is poorly accumulated in K. lactis adh null mutants.
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Affiliation(s)
- M Saliola
- Department of Cell and Developmental Biology, University of Rome La Sapienza, Italy
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24
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Luani D, Lodi T, Ferrero I. Genes coding for mitochondrial proteins are more strongly biased in Kluyveromyces lactis than in Saccharomyces cerevisiae. Curr Genet 1994; 26:91-3. [PMID: 7954903 DOI: 10.1007/bf00326310] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
The codon bias index (CBI) of several genes of Kluyveromyces lactis was calculated and compared with corresponding data from Saccharomyces cerevisiae. Genes encoding cytoplasmic as well as mitochondrial proteins were analyzed. The CBI of K. lactis and S. cerevisiae genes are similar for the majority of the cases considered with the exception of genes encoding mitochondrial proteins which display higher CBI values in K. lactis, indicating a higher level of gene expression. This could be related to the key role played by mitochondria in this yeast.
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Affiliation(s)
- D Luani
- Institute of Genetics, University of Parma, Italy
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25
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Freire-Picos MA, González-Siso MI, Rodríguez-Belmonte E, Rodríguez-Torres AM, Ramil E, Cerdán ME. Codon usage in Kluyveromyces lactis and in yeast cytochrome c-encoding genes. Gene X 1994; 139:43-9. [PMID: 8112587 DOI: 10.1016/0378-1119(94)90521-5] [Citation(s) in RCA: 59] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
Codon usage (CU) in Kluyveromyces lactis has been studied. Comparison of CU in highly and lowly expressed genes reveals the existence of 21 optimal codons; 18 of them are also optimal in other yeasts like Saccharomyces cerevisiae or Candida albicans. Codon bias index (CBI) values have been recalculated with reference to the assignment of optimal codons in K. lactis and compared to those previously reported in the literature taking as reference the optimal codons from S. cerevisiae. A new index, the intrinsic codon deviation index (ICDI), is proposed to estimate codon bias of genes from species in which optimal codons are not known; its correlation with other index values, like CBI or effective number of codons (Nc), is high. A comparative analysis of CU in six cytochrome-c-encoding genes (CYC) from five yeasts is also presented and the differences found in the codon bias of these genes are discussed in relation to the metabolic type to which the corresponding yeasts belong. Codon bias in the CYC from K. lactis and S. cerevisiae is correlated to mRNA levels.
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Affiliation(s)
- M A Freire-Picos
- Departamento de Biología Celular y Molecular, Universidad de La Coruña, Spain
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26
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Abstract
There is an astonishing array of microbial alcohol oxidoreductases. They display a wide variety of substrate specificities and they fulfill several vital but quite different physiological functions. Some of these enzymes are involved in the production of alcoholic beverages and of industrial solvents, others are important in the production of vinegar, and still others participate in the degradation of naturally occurring and xenobiotic aromatic compounds as well as in the growth of bacteria and yeasts on methanol. They can be divided into three major categories. (1) The NAD- or NADP-dependent dehydrogenases. These can in turn be divided into the group I long-chain (approximately 350 amino acid residues) zinc-dependent enzymes such as alcohol dehydrogenases I, II, and III of Saccharomyces cerevisiae or the plasmid-encoded benzyl alcohol dehydrogenase of Pseudomonas putida; the group II short-chain (approximately 250 residues) zinc-independent enzymes such as ribitol dehydrogenase of Klebsiella aerogenes; the group III "iron-activated" enzymes that generally contain approximately 385 amino acid residues, such as alcohol dehydrogenase II of Zymomonas mobilis and alcohol dehydrogenase IV of Saccharomyces cerevisiae, but may contain almost 900 residues in the case of the multifunctional alcohol dehydrogenases of Escherichia coli and Clostridium acetobutylicum. The aldehyde/alcohol oxidoreductase of Amycolatopsis methanolica and the methanol dehydrogenases of A. methanolica and Mycobacterium gasti are 4-nitroso-N,N-dimethylaniline-dependent nicotinoproteins. (2) NAD(P)-independent enzymes that use pyrroloquinoline quinone, haem or cofactor F420 as cofactor, exemplified by methanol dehydrogenase of Paracoccus denitrificans, ethanol dehydrogenase of Acetobacter and Gluconobacter spp. and the alcohol dehydrogenases of certain archaebacteria. (3) Oxidases that catalyze an essentially irreversible oxidation of alcohols, such as methanol oxidase of Hansenula polymorpha and probably the veratryl alcohol oxidases of certain fungi involved in lignin degradation. This review deals mainly with those enzymes for which complete amino acid sequences are available. The discussion focuses on a comparison of their primary, secondary, tertiary, and quaternary structures and their catalytic mechanisms. The physiological roles of the enzymes and isoenzymes are also considered, as are their probable evolutionary relationships.
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Affiliation(s)
- M F Reid
- Department of Biochemistry, University of Glasgow, Scotland, U.K
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27
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Swoboda RK, Bertram G, Hollander H, Greenspan D, Greenspan JS, Gow NA, Gooday GW, Brown AJ. Glycolytic enzymes of Candida albicans are nonubiquitous immunogens during candidiasis. Infect Immun 1993; 61:4263-71. [PMID: 8406815 PMCID: PMC281153 DOI: 10.1128/iai.61.10.4263-4271.1993] [Citation(s) in RCA: 65] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023] Open
Abstract
A cDNA library was made with mRNA from Candida albicans grown under conditions favoring the hyphal form. The library was screened for sequences that encode immunogenic proteins by using pooled sera from five patients with oral candidiasis and five uninfected patients. Most of these patients were human immunodeficiency virus positive. From 40,000 cDNA clones screened, 83 positive clones were identified. Of these, 10 clones were chosen at random for further analysis. None of these 10 cDNAs were derived from a multigene family. The 5' and 3' ends of all 10 clones were analyzed by DNA sequencing. Two cDNAs were separate isolates of a sequence with strong homology to pyruvate kinase genes from other fungi (59 to 73%) and humans (60%). A third cDNA had strong sequence homology to the Saccharomyces cerevisiae and Kluyveromyces lactis alcohol dehydrogenase genes (68 to 73%). A fourth cDNA was homologous (81%) to an S. cerevisiae protein of unknown function. The functions of the remaining six C. albicans cDNAs are not known. A more detailed analysis of the clones encoding glycolytic enzymes revealed that sera from few patients recognized them as antigens. Therefore, although glycolytic enzymes constitute a group of C. albicans proteins that are immunogenic during oral and esophageal infections, their detection cannot be exploited as an accurate marker of infection.
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Affiliation(s)
- R K Swoboda
- Marischal College, University of Aberdeen, United Kingdom
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28
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Heinisch J, Kirchrath L, Liesen T, Vogelsang K, Hollenberg CP. Molecular genetics of phosphofructokinase in the yeast Kluyveromyces lactis. Mol Microbiol 1993; 8:559-70. [PMID: 8326866 DOI: 10.1111/j.1365-2958.1993.tb01600.x] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
We have undertaken a study of phosphofructokinase (PFK; E.C. 2.7.1.11) in the yeast Kluyveromyces lactis. Like other eukaryotic PFKs, the K. lactis enzyme is activated by the allosteric effectors AMP and fructose-2,6-bisphosphate. PFK activity is induced in cells grown on glucose as compared to ethanol-grown cells, in contrast to the constitutive expression of PFK in Saccharomyces cerevisiae. We show here that phosphofructokinase of the yeast K. lactis is composed of two non-identical types of subunits, encoded by the genes KIPFK1 and KIPFK2. We have cloned and sequenced both genes. KIPFK1 and KIPFK2 encode the alpha- and the beta-PFK subunits with deduced molecular weights of 109.336 Da and 104.074 Da, respectively. Sequence analysis indicates that the genes evolved from a double duplication event. Null mutants in either of the genes lack detectable PFK activity in vitro and the respective subunits cannot be detected on Western blots. In contrast to the situation in S. cerevisiae, Klpfk1 Klpfk2 double mutants retain the ability to grow on glucose. However, Klpfk2 mutants and the double mutants do not grow on glucose, when respiration is blocked. These data suggest that the pentose phosphate pathway and respiration play a substantial role in glucose utilization by K. lactis. The K. lactis PFK genes can be expressed independently in S. cerevisiae and each of them complements the glucose-negative phenotype of pfk1 pfk2 double deletion mutants in this yeast. Expression of both K. lactis PFK genes simultaneously in S. cerevisiae pfk double deletion mutants complements for PFK activity. However, expression of a combination of PFK genes from K. lactis and S. cerevisiae does not lead to the production of a functional enzyme.
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Affiliation(s)
- J Heinisch
- Institut für Mikrobiologie, Heinrich-Heine-Universität Düsseldorf, Federal Republic of Germany
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29
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Ladrière JM, Delcour J, Vandenhaute J. Sequence of a gene coding for a cytoplasmic alcohol dehydrogenase from Kluyveromyces marxianus ATCC 12424. BIOCHIMICA ET BIOPHYSICA ACTA 1993; 1173:99-101. [PMID: 8485163 DOI: 10.1016/0167-4781(93)90252-9] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Using a Saccharomyces cerevisiae ADH1 probe, a gene coding for a cytoplasmic alcohol dehydrogenase from Kluyveromyces marxianus ATCC 12424 (formerly K. fragilis) has been cloned. This gene is able to restore alcoholic fermentation in an ADH-null strain of S. cerevisiae and its encoded protein shows strong similarity with other yeast alcohol dehydrogenases (from S. cerevisiae, Schizosaccharomyces pombe and its close relative K. lactis). The product of the gene expressed in S. cerevisiae co-migrates on native gel with a K. marxianus ADH isozyme which is more active in cells growing on non-fermentable carbon sources than on glucose. This behaviour is in contrast with that of the two cytoplasmic ADH isozymes of K. lactis which are both more active in glucose-growing than in ethanol-growing cells.
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Affiliation(s)
- J M Ladrière
- Facultés Universitaires N-D de la Paix, Laboratoire de Génétique Moléculaire, Namur, Belgium
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30
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Plapp BV, Green DW, Sun HW, Park DH, Kim K. Substrate specificity of alcohol dehydrogenases. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 1993; 328:391-400. [PMID: 8493917 DOI: 10.1007/978-1-4615-2904-0_41] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Affiliation(s)
- B V Plapp
- Department of Biochemistry, University of Iowa, Iowa City 52242
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31
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Wésolowski-Louvel M, Prior C, Bornecque D, Fukuhara H. Rag−mutations involved in glucose metabolism in yeast: Isolation and genetic characterization. Yeast 1992. [DOI: 10.1002/yea.320080904] [Citation(s) in RCA: 49] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
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32
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Mazzoni C, Saliola M, Falcone C. Ethanol-induced and glucose-insensitive alcohol dehydrogenase activity in the yeast Kluyveromyces lactis. Mol Microbiol 1992; 6:2279-86. [PMID: 1406268 DOI: 10.1111/j.1365-2958.1992.tb01403.x] [Citation(s) in RCA: 43] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
The alcohol dehydrogenase (ADH) system in the yeast Kluyveromyces lactis is encoded by four ADH genes. In this paper we report evidence that at least three of these genes are transcribed and translated into protein. KIADH1 and KIADH2, which encode cytoplasmic activities, are preferentially expressed in glucose-grown cells with respect to ethanol-grown cells. KIADH4, which encodes one of the two activities localized within mitochondria, is induced at the transcriptional level in the presence of ethanol as is the ADH2 gene in Saccharomyces cerevisiae. However the regulation of the expression of the K. lactis gene is completely different from that of ADH2 and of other known ADH genes in that KIADH4 is insensitive to glucose repression and is not expressed on non-fermentable carbon sources other than ethanol. This kind of regulation can be clearly observed in non-fermenting strains, where the induction of KIADH4 is dependent on the addition of ethanol to the medium. On the contrary, in fermenting strains KIADH4 is always induced by ethanol or acetaldehyde produced endocellularly and this results in constitutive expression of the gene also in the presence of glucose. The mitochondrial localization of the activity encoded by KIADH4 and the peculiar regulation of this gene could be related to the fact that K. lactis is a petite negative yeast in which some mitochondrial functions seem to be essential for cell viability.
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Affiliation(s)
- C Mazzoni
- Department of Cell and Developmental Biology, University of Rome, La Sapienza, Italy
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33
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Shain DH, Salvadore C, Denis CL. Evolution of the alcohol dehydrogenase (ADH) genes in yeast: characterization of a fourth ADH in Kluyveromyces lactis. MOLECULAR & GENERAL GENETICS : MGG 1992; 232:479-88. [PMID: 1588917 DOI: 10.1007/bf00266253] [Citation(s) in RCA: 42] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Three alcohol dehydrogenase (ADH) genes have recently been characterized in the yeast Kluyveromyces lactis. We report on a fourth ADH in K. lactis (KADH II: KADH2* gene) which is highly similar to other ADHs in K. lactis and Saccharomyces cerevisiae. KADH II appears to be a cytoplasmic enzyme, and after expression of KADH2 in S. cerevisiae enzyme activity comigrated with a K. lactis ADH present in cells grown in glucose or in ethanol. KADH I was also expressed in S. cerevisiae and it comigrated with a major ADH species expressed under glucose growth conditions in K. lactis. The substrate specificities for KADH I and KADH II were shown to be more similar to that of SADH II than to SADH I. SADH I cannot efficiently utilize long chain alcohols, in contrast to other cytoplasmic yeast ADHs, presumably because of the presence of a methionine (residue 271) in its substrate binding cleft. A comparison of the DNA sequences of ADHs among K. lactis, S. cerevisiae and Schizosaccharomyces pombe suggests that the ancestral yeast species contained one cytoplasmic ADH. After divergence from S. pombe, the ADH in the ancestor to K. lactis and S. cerevisiae was duplicated, and one ADH became localized to the mitochondrion, presumably for the oxidative use of ethanol. Following the speciation of S. cerevisiae and K. lactis, the gene encoding the cytoplasmic ADH in S. cerevisiae duplicated, which resulted in the development of the SADH II protein as the primary oxidative enzyme in place of SADH III. In contrast, the K. lactis mitochondrial ADH duplicated to give rise to the highly expressed KADH3 and KADH4 genes, both of which may still play primary roles in oxidative metabolism. These data suggest that K. lactis and S. cerevisiae use different compartments for their metabolism of ethanol. Our results also indicate that the complex regulatory circuits controlling the glucose-repressible SADH2 in S. cerevisiae are a recent acquisition from regulatory networks used for the control of genes other than SADH2.
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Affiliation(s)
- D H Shain
- Department of Biochemistry and Molecular Biology, University of New Hampshire, Durham 03824
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New nucleotide sequence data on the EMBL File Server. Nucleic Acids Res 1992; 20:1173-9. [PMID: 1549508 PMCID: PMC312152 DOI: 10.1093/nar/20.5.1173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
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