Pyruvate metabolism redirection for biological production of commodity chemicals in aerobic fungus

Pyruvate is a central metabolite for the biological production of various chemicals. In eukaryotes, pyruvate produced by glycolysis is used in conversion to ethanol and lactate and in anabolic metabolism in the cytosol, or is transported into the mitochondria for use as a substrate in the tricarboxy...
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Autor*in:	Zhang, Silai [verfasserIn] Wakai, Satoshi [verfasserIn] Sasakura, Naoya [verfasserIn] Tsutsumi, Hiroko [verfasserIn] Hata, Yoji [verfasserIn] Ogino, Chiaki [verfasserIn] Kondo, Akihiko [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2020

Schlagwörter:	Pyruvate flux Pyruvate decarboxylase Mitochondrial pyruvate carrier 2,3-Butanediol

Übergeordnetes Werk:	Enthalten in: Metabolic engineering - Orlando, Fla. : Academic Press, 1999, 61, Seite 225-237
Übergeordnetes Werk:	volume:61 ; pages:225-237

DOI / URN:	10.1016/j.ymben.2020.06.010

Katalog-ID:	ELV004672321

Internformat


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520			\|a Pyruvate is a central metabolite for the biological production of various chemicals. In eukaryotes, pyruvate produced by glycolysis is used in conversion to ethanol and lactate and in anabolic metabolism in the cytosol, or is transported into the mitochondria for use as a substrate in the tricarboxylic acid (TCA) cycle. In this study, we focused on controlling pyruvate metabolism in aerobic microorganisms for the biological production of various chemicals. We successfully improved productivity by redirecting pyruvate metabolism in the aerobic filamentous fungus Aspergillus oryzae via the deletion of two genes that encode pyruvate decarboxylase and mitochondrial pyruvate carriers. Production of ethanol as a major byproduct was completely inhibited, and the limited translocation of pyruvate into the mitochondria shifted the metabolism from respiration for energy conversion to the effective production of lactate or 2,3-butandiole, even under aerobic conditions. Metabolomic and transcriptomic analyses showed an emphasis on glycolysis and a repressed TCA cycle. Although the dry mycelial weights of the deletion mutants were reduced compared with those of wild type, the titer and yields of the target products were drastically increased. In particular, the redirection of pyruvate metabolism shifted from anabolism for biomass production to catabolism for the production of target chemicals. Conclusively, our results indicate that the redirection of pyruvate metabolism is a useful strategy in the metabolic engineering of aerobic microorganisms.
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700	1		\|a Hata, Yoji \|e verfasserin \|4 aut
700	1		\|a Ogino, Chiaki \|e verfasserin \|4 aut
700	1		\|a Kondo, Akihiko \|e verfasserin \|4 aut
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matchkey_str	article:10967184:2020----::yuaeeaoimeietofrilgclrdcinfomdt
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publishDate	2020
allfields	10.1016/j.ymben.2020.06.010 doi (DE-627)ELV004672321 (ELSEVIER)S1096-7176(20)30109-9 DE-627 ger DE-627 rda eng 610 DE-600 42.17 bkl 42.15 bkl Zhang, Silai verfasserin aut Pyruvate metabolism redirection for biological production of commodity chemicals in aerobic fungus 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Pyruvate is a central metabolite for the biological production of various chemicals. In eukaryotes, pyruvate produced by glycolysis is used in conversion to ethanol and lactate and in anabolic metabolism in the cytosol, or is transported into the mitochondria for use as a substrate in the tricarboxylic acid (TCA) cycle. In this study, we focused on controlling pyruvate metabolism in aerobic microorganisms for the biological production of various chemicals. We successfully improved productivity by redirecting pyruvate metabolism in the aerobic filamentous fungus Aspergillus oryzae via the deletion of two genes that encode pyruvate decarboxylase and mitochondrial pyruvate carriers. Production of ethanol as a major byproduct was completely inhibited, and the limited translocation of pyruvate into the mitochondria shifted the metabolism from respiration for energy conversion to the effective production of lactate or 2,3-butandiole, even under aerobic conditions. Metabolomic and transcriptomic analyses showed an emphasis on glycolysis and a repressed TCA cycle. Although the dry mycelial weights of the deletion mutants were reduced compared with those of wild type, the titer and yields of the target products were drastically increased. In particular, the redirection of pyruvate metabolism shifted from anabolism for biomass production to catabolism for the production of target chemicals. Conclusively, our results indicate that the redirection of pyruvate metabolism is a useful strategy in the metabolic engineering of aerobic microorganisms. Pyruvate flux Pyruvate decarboxylase Mitochondrial pyruvate carrier 2,3-Butanediol Wakai, Satoshi verfasserin (orcid)0000-0002-9400-4058 aut Sasakura, Naoya verfasserin aut Tsutsumi, Hiroko verfasserin aut Hata, Yoji verfasserin aut Ogino, Chiaki verfasserin aut Kondo, Akihiko verfasserin aut Enthalten in Metabolic engineering Orlando, Fla. : Academic Press, 1999 61, Seite 225-237 Online-Ressource (DE-627)267838808 (DE-600)1471017-1 (DE-576)110350340 1096-7184 nnns volume:61 pages:225-237 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_165 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 42.17 Allgemeine Physiologie Biologie 42.15 Zellbiologie AR 61 225-237
spelling	10.1016/j.ymben.2020.06.010 doi (DE-627)ELV004672321 (ELSEVIER)S1096-7176(20)30109-9 DE-627 ger DE-627 rda eng 610 DE-600 42.17 bkl 42.15 bkl Zhang, Silai verfasserin aut Pyruvate metabolism redirection for biological production of commodity chemicals in aerobic fungus 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Pyruvate is a central metabolite for the biological production of various chemicals. In eukaryotes, pyruvate produced by glycolysis is used in conversion to ethanol and lactate and in anabolic metabolism in the cytosol, or is transported into the mitochondria for use as a substrate in the tricarboxylic acid (TCA) cycle. In this study, we focused on controlling pyruvate metabolism in aerobic microorganisms for the biological production of various chemicals. We successfully improved productivity by redirecting pyruvate metabolism in the aerobic filamentous fungus Aspergillus oryzae via the deletion of two genes that encode pyruvate decarboxylase and mitochondrial pyruvate carriers. Production of ethanol as a major byproduct was completely inhibited, and the limited translocation of pyruvate into the mitochondria shifted the metabolism from respiration for energy conversion to the effective production of lactate or 2,3-butandiole, even under aerobic conditions. Metabolomic and transcriptomic analyses showed an emphasis on glycolysis and a repressed TCA cycle. Although the dry mycelial weights of the deletion mutants were reduced compared with those of wild type, the titer and yields of the target products were drastically increased. In particular, the redirection of pyruvate metabolism shifted from anabolism for biomass production to catabolism for the production of target chemicals. Conclusively, our results indicate that the redirection of pyruvate metabolism is a useful strategy in the metabolic engineering of aerobic microorganisms. Pyruvate flux Pyruvate decarboxylase Mitochondrial pyruvate carrier 2,3-Butanediol Wakai, Satoshi verfasserin (orcid)0000-0002-9400-4058 aut Sasakura, Naoya verfasserin aut Tsutsumi, Hiroko verfasserin aut Hata, Yoji verfasserin aut Ogino, Chiaki verfasserin aut Kondo, Akihiko verfasserin aut Enthalten in Metabolic engineering Orlando, Fla. : Academic Press, 1999 61, Seite 225-237 Online-Ressource (DE-627)267838808 (DE-600)1471017-1 (DE-576)110350340 1096-7184 nnns volume:61 pages:225-237 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_165 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 42.17 Allgemeine Physiologie Biologie 42.15 Zellbiologie AR 61 225-237
allfields_unstemmed	10.1016/j.ymben.2020.06.010 doi (DE-627)ELV004672321 (ELSEVIER)S1096-7176(20)30109-9 DE-627 ger DE-627 rda eng 610 DE-600 42.17 bkl 42.15 bkl Zhang, Silai verfasserin aut Pyruvate metabolism redirection for biological production of commodity chemicals in aerobic fungus 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Pyruvate is a central metabolite for the biological production of various chemicals. In eukaryotes, pyruvate produced by glycolysis is used in conversion to ethanol and lactate and in anabolic metabolism in the cytosol, or is transported into the mitochondria for use as a substrate in the tricarboxylic acid (TCA) cycle. In this study, we focused on controlling pyruvate metabolism in aerobic microorganisms for the biological production of various chemicals. We successfully improved productivity by redirecting pyruvate metabolism in the aerobic filamentous fungus Aspergillus oryzae via the deletion of two genes that encode pyruvate decarboxylase and mitochondrial pyruvate carriers. Production of ethanol as a major byproduct was completely inhibited, and the limited translocation of pyruvate into the mitochondria shifted the metabolism from respiration for energy conversion to the effective production of lactate or 2,3-butandiole, even under aerobic conditions. Metabolomic and transcriptomic analyses showed an emphasis on glycolysis and a repressed TCA cycle. Although the dry mycelial weights of the deletion mutants were reduced compared with those of wild type, the titer and yields of the target products were drastically increased. In particular, the redirection of pyruvate metabolism shifted from anabolism for biomass production to catabolism for the production of target chemicals. Conclusively, our results indicate that the redirection of pyruvate metabolism is a useful strategy in the metabolic engineering of aerobic microorganisms. Pyruvate flux Pyruvate decarboxylase Mitochondrial pyruvate carrier 2,3-Butanediol Wakai, Satoshi verfasserin (orcid)0000-0002-9400-4058 aut Sasakura, Naoya verfasserin aut Tsutsumi, Hiroko verfasserin aut Hata, Yoji verfasserin aut Ogino, Chiaki verfasserin aut Kondo, Akihiko verfasserin aut Enthalten in Metabolic engineering Orlando, Fla. : Academic Press, 1999 61, Seite 225-237 Online-Ressource (DE-627)267838808 (DE-600)1471017-1 (DE-576)110350340 1096-7184 nnns volume:61 pages:225-237 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_165 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 42.17 Allgemeine Physiologie Biologie 42.15 Zellbiologie AR 61 225-237
allfieldsGer	10.1016/j.ymben.2020.06.010 doi (DE-627)ELV004672321 (ELSEVIER)S1096-7176(20)30109-9 DE-627 ger DE-627 rda eng 610 DE-600 42.17 bkl 42.15 bkl Zhang, Silai verfasserin aut Pyruvate metabolism redirection for biological production of commodity chemicals in aerobic fungus 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Pyruvate is a central metabolite for the biological production of various chemicals. In eukaryotes, pyruvate produced by glycolysis is used in conversion to ethanol and lactate and in anabolic metabolism in the cytosol, or is transported into the mitochondria for use as a substrate in the tricarboxylic acid (TCA) cycle. In this study, we focused on controlling pyruvate metabolism in aerobic microorganisms for the biological production of various chemicals. We successfully improved productivity by redirecting pyruvate metabolism in the aerobic filamentous fungus Aspergillus oryzae via the deletion of two genes that encode pyruvate decarboxylase and mitochondrial pyruvate carriers. Production of ethanol as a major byproduct was completely inhibited, and the limited translocation of pyruvate into the mitochondria shifted the metabolism from respiration for energy conversion to the effective production of lactate or 2,3-butandiole, even under aerobic conditions. Metabolomic and transcriptomic analyses showed an emphasis on glycolysis and a repressed TCA cycle. Although the dry mycelial weights of the deletion mutants were reduced compared with those of wild type, the titer and yields of the target products were drastically increased. In particular, the redirection of pyruvate metabolism shifted from anabolism for biomass production to catabolism for the production of target chemicals. Conclusively, our results indicate that the redirection of pyruvate metabolism is a useful strategy in the metabolic engineering of aerobic microorganisms. Pyruvate flux Pyruvate decarboxylase Mitochondrial pyruvate carrier 2,3-Butanediol Wakai, Satoshi verfasserin (orcid)0000-0002-9400-4058 aut Sasakura, Naoya verfasserin aut Tsutsumi, Hiroko verfasserin aut Hata, Yoji verfasserin aut Ogino, Chiaki verfasserin aut Kondo, Akihiko verfasserin aut Enthalten in Metabolic engineering Orlando, Fla. : Academic Press, 1999 61, Seite 225-237 Online-Ressource (DE-627)267838808 (DE-600)1471017-1 (DE-576)110350340 1096-7184 nnns volume:61 pages:225-237 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_165 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 42.17 Allgemeine Physiologie Biologie 42.15 Zellbiologie AR 61 225-237
allfieldsSound	10.1016/j.ymben.2020.06.010 doi (DE-627)ELV004672321 (ELSEVIER)S1096-7176(20)30109-9 DE-627 ger DE-627 rda eng 610 DE-600 42.17 bkl 42.15 bkl Zhang, Silai verfasserin aut Pyruvate metabolism redirection for biological production of commodity chemicals in aerobic fungus 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Pyruvate is a central metabolite for the biological production of various chemicals. In eukaryotes, pyruvate produced by glycolysis is used in conversion to ethanol and lactate and in anabolic metabolism in the cytosol, or is transported into the mitochondria for use as a substrate in the tricarboxylic acid (TCA) cycle. In this study, we focused on controlling pyruvate metabolism in aerobic microorganisms for the biological production of various chemicals. We successfully improved productivity by redirecting pyruvate metabolism in the aerobic filamentous fungus Aspergillus oryzae via the deletion of two genes that encode pyruvate decarboxylase and mitochondrial pyruvate carriers. Production of ethanol as a major byproduct was completely inhibited, and the limited translocation of pyruvate into the mitochondria shifted the metabolism from respiration for energy conversion to the effective production of lactate or 2,3-butandiole, even under aerobic conditions. Metabolomic and transcriptomic analyses showed an emphasis on glycolysis and a repressed TCA cycle. Although the dry mycelial weights of the deletion mutants were reduced compared with those of wild type, the titer and yields of the target products were drastically increased. In particular, the redirection of pyruvate metabolism shifted from anabolism for biomass production to catabolism for the production of target chemicals. Conclusively, our results indicate that the redirection of pyruvate metabolism is a useful strategy in the metabolic engineering of aerobic microorganisms. Pyruvate flux Pyruvate decarboxylase Mitochondrial pyruvate carrier 2,3-Butanediol Wakai, Satoshi verfasserin (orcid)0000-0002-9400-4058 aut Sasakura, Naoya verfasserin aut Tsutsumi, Hiroko verfasserin aut Hata, Yoji verfasserin aut Ogino, Chiaki verfasserin aut Kondo, Akihiko verfasserin aut Enthalten in Metabolic engineering Orlando, Fla. : Academic Press, 1999 61, Seite 225-237 Online-Ressource (DE-627)267838808 (DE-600)1471017-1 (DE-576)110350340 1096-7184 nnns volume:61 pages:225-237 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_165 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 42.17 Allgemeine Physiologie Biologie 42.15 Zellbiologie AR 61 225-237
language	English
source	Enthalten in Metabolic engineering 61, Seite 225-237 volume:61 pages:225-237
sourceStr	Enthalten in Metabolic engineering 61, Seite 225-237 volume:61 pages:225-237
format_phy_str_mv	Article
bklname	Allgemeine Physiologie Zellbiologie
institution	findex.gbv.de
topic_facet	Pyruvate flux Pyruvate decarboxylase Mitochondrial pyruvate carrier 2,3-Butanediol
dewey-raw	610
isfreeaccess_bool	false
container_title	Metabolic engineering
authorswithroles_txt_mv	Zhang, Silai @@aut@@ Wakai, Satoshi @@aut@@ Sasakura, Naoya @@aut@@ Tsutsumi, Hiroko @@aut@@ Hata, Yoji @@aut@@ Ogino, Chiaki @@aut@@ Kondo, Akihiko @@aut@@
publishDateDaySort_date	2020-01-01T00:00:00Z
hierarchy_top_id	267838808
dewey-sort	3610
id	ELV004672321
language_de	englisch
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author	Zhang, Silai
spellingShingle	Zhang, Silai ddc 610 bkl 42.17 bkl 42.15 misc Pyruvate flux misc Pyruvate decarboxylase misc Mitochondrial pyruvate carrier misc 2,3-Butanediol Pyruvate metabolism redirection for biological production of commodity chemicals in aerobic fungus
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topic_title	610 DE-600 42.17 bkl 42.15 bkl Pyruvate metabolism redirection for biological production of commodity chemicals in aerobic fungus Pyruvate flux Pyruvate decarboxylase Mitochondrial pyruvate carrier 2,3-Butanediol
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title	Pyruvate metabolism redirection for biological production of commodity chemicals in aerobic fungus
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title_full	Pyruvate metabolism redirection for biological production of commodity chemicals in aerobic fungus
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title_sort	pyruvate metabolism redirection for biological production of commodity chemicals in aerobic fungus
title_auth	Pyruvate metabolism redirection for biological production of commodity chemicals in aerobic fungus
abstract	Pyruvate is a central metabolite for the biological production of various chemicals. In eukaryotes, pyruvate produced by glycolysis is used in conversion to ethanol and lactate and in anabolic metabolism in the cytosol, or is transported into the mitochondria for use as a substrate in the tricarboxylic acid (TCA) cycle. In this study, we focused on controlling pyruvate metabolism in aerobic microorganisms for the biological production of various chemicals. We successfully improved productivity by redirecting pyruvate metabolism in the aerobic filamentous fungus Aspergillus oryzae via the deletion of two genes that encode pyruvate decarboxylase and mitochondrial pyruvate carriers. Production of ethanol as a major byproduct was completely inhibited, and the limited translocation of pyruvate into the mitochondria shifted the metabolism from respiration for energy conversion to the effective production of lactate or 2,3-butandiole, even under aerobic conditions. Metabolomic and transcriptomic analyses showed an emphasis on glycolysis and a repressed TCA cycle. Although the dry mycelial weights of the deletion mutants were reduced compared with those of wild type, the titer and yields of the target products were drastically increased. In particular, the redirection of pyruvate metabolism shifted from anabolism for biomass production to catabolism for the production of target chemicals. Conclusively, our results indicate that the redirection of pyruvate metabolism is a useful strategy in the metabolic engineering of aerobic microorganisms.
abstractGer	Pyruvate is a central metabolite for the biological production of various chemicals. In eukaryotes, pyruvate produced by glycolysis is used in conversion to ethanol and lactate and in anabolic metabolism in the cytosol, or is transported into the mitochondria for use as a substrate in the tricarboxylic acid (TCA) cycle. In this study, we focused on controlling pyruvate metabolism in aerobic microorganisms for the biological production of various chemicals. We successfully improved productivity by redirecting pyruvate metabolism in the aerobic filamentous fungus Aspergillus oryzae via the deletion of two genes that encode pyruvate decarboxylase and mitochondrial pyruvate carriers. Production of ethanol as a major byproduct was completely inhibited, and the limited translocation of pyruvate into the mitochondria shifted the metabolism from respiration for energy conversion to the effective production of lactate or 2,3-butandiole, even under aerobic conditions. Metabolomic and transcriptomic analyses showed an emphasis on glycolysis and a repressed TCA cycle. Although the dry mycelial weights of the deletion mutants were reduced compared with those of wild type, the titer and yields of the target products were drastically increased. In particular, the redirection of pyruvate metabolism shifted from anabolism for biomass production to catabolism for the production of target chemicals. Conclusively, our results indicate that the redirection of pyruvate metabolism is a useful strategy in the metabolic engineering of aerobic microorganisms.
abstract_unstemmed	Pyruvate is a central metabolite for the biological production of various chemicals. In eukaryotes, pyruvate produced by glycolysis is used in conversion to ethanol and lactate and in anabolic metabolism in the cytosol, or is transported into the mitochondria for use as a substrate in the tricarboxylic acid (TCA) cycle. In this study, we focused on controlling pyruvate metabolism in aerobic microorganisms for the biological production of various chemicals. We successfully improved productivity by redirecting pyruvate metabolism in the aerobic filamentous fungus Aspergillus oryzae via the deletion of two genes that encode pyruvate decarboxylase and mitochondrial pyruvate carriers. Production of ethanol as a major byproduct was completely inhibited, and the limited translocation of pyruvate into the mitochondria shifted the metabolism from respiration for energy conversion to the effective production of lactate or 2,3-butandiole, even under aerobic conditions. Metabolomic and transcriptomic analyses showed an emphasis on glycolysis and a repressed TCA cycle. Although the dry mycelial weights of the deletion mutants were reduced compared with those of wild type, the titer and yields of the target products were drastically increased. In particular, the redirection of pyruvate metabolism shifted from anabolism for biomass production to catabolism for the production of target chemicals. Conclusively, our results indicate that the redirection of pyruvate metabolism is a useful strategy in the metabolic engineering of aerobic microorganisms.
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title_short	Pyruvate metabolism redirection for biological production of commodity chemicals in aerobic fungus
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author2	Wakai, Satoshi Sasakura, Naoya Tsutsumi, Hiroko Hata, Yoji Ogino, Chiaki Kondo, Akihiko
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Pyruvate metabolism redirection for biological production of commodity chemicals in aerobic fungus

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