Methanol-free biosynthesis of fatty acid methyl ester (FAME) in

To meet the increasing global demand of biodiesel over the next decades, alternative methods for producing one of the key constituents of biodiesel (e.g. fatty acid methyl esters (FAMEs)) are needed. Algal biodiesel has been a long-term target compromised by excessive costs for harvesting and proces...
Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Yunus, Ian Sofian [verfasserIn] Palma, Arianna [verfasserIn] Trudeau, Devin L. [verfasserIn] Tawfik, Dan S. [verfasserIn] Jones, Patrik R. [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2019

Schlagwörter:	Methyl laurate Dodecanoic acid Biodiesel FAME Cyanobacteria Metabolic engineering Juvenile hormone acid O-methyl transferase Ancestral sequence reconstruction SAM-Dependent methyl transferase

Übergeordnetes Werk:	Enthalten in: Metabolic engineering - Orlando, Fla. : Academic Press, 1999, 57, Seite 217-227
Übergeordnetes Werk:	volume:57 ; pages:217-227

DOI / URN:	10.1016/j.ymben.2019.12.001

Katalog-ID:	ELV003444546

Internformat


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100	1		\|a Yunus, Ian Sofian \|e verfasserin \|4 aut
245	1	0	\|a Methanol-free biosynthesis of fatty acid methyl ester (FAME) in
264		1	\|c 2019
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520			\|a To meet the increasing global demand of biodiesel over the next decades, alternative methods for producing one of the key constituents of biodiesel (e.g. fatty acid methyl esters (FAMEs)) are needed. Algal biodiesel has been a long-term target compromised by excessive costs for harvesting and processing. In this work, we engineered cyanobacteria to convert carbon dioxide into excreted FAME, without requiring methanol as a methyl donor. To produce FAME, acyl-ACP, a product of the fatty acid biosynthesis pathway, was first converted into free fatty acid (FFA) by a thioesterase, namely ’UcFatB1 from Umbellularia californica. Next, by employing a juvenile hormone acid O-methyltransferase (DmJHAMT) from Drosophila melanogaster and S-adenosylmethionine (SAM) as a methyl donor, FFAs were converted into corresponding FAMEs. The esters were naturally secreted extracellularly, allowing simple product separation by solvent overlay as opposed to conventional algae biodiesel production where the algae biomass must first be harvested and processed for transesterification of extracted triacylglycerols (TAGs). By optimizing both the promoter and RBS elements, up to 120 mg/L of FAMEs were produced in 10 days. Quantification of key proteins and metabolites, together with constructs over-expressing SAM synthetase (MetK), indicated that ’UcFatB1, MetK, and DmJHAMT were the main factors limiting pathway flux. In order to solve the latter limitation, two reconstructed ancestral sequences of DmJHAMT were also tried, resulting in strains showing a broader methyl ester chain-length profile in comparison to the native DmJHAMT. Altogether, this work demonstrates a promising pathway for direct sunlight-driven conversion of CO2 into excreted FAME.
650		4	\|a Methyl laurate
650		4	\|a Dodecanoic acid
650		4	\|a Biodiesel
650		4	\|a FAME
650		4	\|a Cyanobacteria
650		4	\|a Metabolic engineering
650		4	\|a Juvenile hormone acid O-methyl transferase
650		4	\|a Ancestral sequence reconstruction
650		4	\|a SAM-Dependent methyl transferase
700	1		\|a Palma, Arianna \|e verfasserin \|4 aut
700	1		\|a Trudeau, Devin L. \|e verfasserin \|4 aut
700	1		\|a Tawfik, Dan S. \|e verfasserin \|4 aut
700	1		\|a Jones, Patrik R. \|e verfasserin \|4 aut
773	0	8	\|i Enthalten in \|t Metabolic engineering \|d Orlando, Fla. : Academic Press, 1999 \|g 57, Seite 217-227 \|h Online-Ressource \|w (DE-627)267838808 \|w (DE-600)1471017-1 \|w (DE-576)110350340 \|x 1096-7184 \|7 nnns
773	1	8	\|g volume:57 \|g pages:217-227
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912			\|a GBV_ILN_62
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912			\|a GBV_ILN_69
912			\|a GBV_ILN_70
912			\|a GBV_ILN_73
912			\|a GBV_ILN_74
912			\|a GBV_ILN_90
912			\|a GBV_ILN_95
912			\|a GBV_ILN_100
912			\|a GBV_ILN_101
912			\|a GBV_ILN_105
912			\|a GBV_ILN_110
912			\|a GBV_ILN_150
912			\|a GBV_ILN_151
912			\|a GBV_ILN_165
912			\|a GBV_ILN_224
912			\|a GBV_ILN_370
912			\|a GBV_ILN_602
912			\|a GBV_ILN_702
912			\|a GBV_ILN_2003
912			\|a GBV_ILN_2004
912			\|a GBV_ILN_2005
912			\|a GBV_ILN_2011
912			\|a GBV_ILN_2014
912			\|a GBV_ILN_2015
912			\|a GBV_ILN_2020
912			\|a GBV_ILN_2021
912			\|a GBV_ILN_2025
912			\|a GBV_ILN_2027
912			\|a GBV_ILN_2034
912			\|a GBV_ILN_2038
912			\|a GBV_ILN_2044
912			\|a GBV_ILN_2048
912			\|a GBV_ILN_2049
912			\|a GBV_ILN_2050
912			\|a GBV_ILN_2056
912			\|a GBV_ILN_2059
912			\|a GBV_ILN_2061
912			\|a GBV_ILN_2064
912			\|a GBV_ILN_2065
912			\|a GBV_ILN_2068
912			\|a GBV_ILN_2111
912			\|a GBV_ILN_2112
912			\|a GBV_ILN_2113
912			\|a GBV_ILN_2118
912			\|a GBV_ILN_2122
912			\|a GBV_ILN_2129
912			\|a GBV_ILN_2143
912			\|a GBV_ILN_2147
912			\|a GBV_ILN_2148
912			\|a GBV_ILN_2152
912			\|a GBV_ILN_2153
912			\|a GBV_ILN_2190
912			\|a GBV_ILN_2336
912			\|a GBV_ILN_2507
912			\|a GBV_ILN_2522
912			\|a GBV_ILN_4035
912			\|a GBV_ILN_4037
912			\|a GBV_ILN_4112
912			\|a GBV_ILN_4125
912			\|a GBV_ILN_4126
912			\|a GBV_ILN_4242
912			\|a GBV_ILN_4251
912			\|a GBV_ILN_4305
912			\|a GBV_ILN_4313
912			\|a GBV_ILN_4323
912			\|a GBV_ILN_4324
912			\|a GBV_ILN_4326
912			\|a GBV_ILN_4333
912			\|a GBV_ILN_4334
912			\|a GBV_ILN_4335
912			\|a GBV_ILN_4338
912			\|a GBV_ILN_4393
936	b	k	\|a 42.17 \|j Allgemeine Physiologie \|x Biologie
936	b	k	\|a 42.15 \|j Zellbiologie
951			\|a AR
952			\|d 57 \|h 217-227

Indexfelder

author_variant	i s y is isy a p ap d l t dl dlt d s t ds dst p r j pr prj
matchkey_str	article:10967184:2019----::ehnlreisnhssfataimt
hierarchy_sort_str	2019
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publishDate	2019
allfields	10.1016/j.ymben.2019.12.001 doi (DE-627)ELV003444546 (ELSEVIER)S1096-7176(19)30313-1 DE-627 ger DE-627 rda eng 610 DE-600 42.17 bkl 42.15 bkl Yunus, Ian Sofian verfasserin aut Methanol-free biosynthesis of fatty acid methyl ester (FAME) in 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier To meet the increasing global demand of biodiesel over the next decades, alternative methods for producing one of the key constituents of biodiesel (e.g. fatty acid methyl esters (FAMEs)) are needed. Algal biodiesel has been a long-term target compromised by excessive costs for harvesting and processing. In this work, we engineered cyanobacteria to convert carbon dioxide into excreted FAME, without requiring methanol as a methyl donor. To produce FAME, acyl-ACP, a product of the fatty acid biosynthesis pathway, was first converted into free fatty acid (FFA) by a thioesterase, namely ’UcFatB1 from Umbellularia californica. Next, by employing a juvenile hormone acid O-methyltransferase (DmJHAMT) from Drosophila melanogaster and S-adenosylmethionine (SAM) as a methyl donor, FFAs were converted into corresponding FAMEs. The esters were naturally secreted extracellularly, allowing simple product separation by solvent overlay as opposed to conventional algae biodiesel production where the algae biomass must first be harvested and processed for transesterification of extracted triacylglycerols (TAGs). By optimizing both the promoter and RBS elements, up to 120 mg/L of FAMEs were produced in 10 days. Quantification of key proteins and metabolites, together with constructs over-expressing SAM synthetase (MetK), indicated that ’UcFatB1, MetK, and DmJHAMT were the main factors limiting pathway flux. In order to solve the latter limitation, two reconstructed ancestral sequences of DmJHAMT were also tried, resulting in strains showing a broader methyl ester chain-length profile in comparison to the native DmJHAMT. Altogether, this work demonstrates a promising pathway for direct sunlight-driven conversion of CO2 into excreted FAME. Methyl laurate Dodecanoic acid Biodiesel FAME Cyanobacteria Metabolic engineering Juvenile hormone acid O-methyl transferase Ancestral sequence reconstruction SAM-Dependent methyl transferase Palma, Arianna verfasserin aut Trudeau, Devin L. verfasserin aut Tawfik, Dan S. verfasserin aut Jones, Patrik R. verfasserin aut Enthalten in Metabolic engineering Orlando, Fla. : Academic Press, 1999 57, Seite 217-227 Online-Ressource (DE-627)267838808 (DE-600)1471017-1 (DE-576)110350340 1096-7184 nnns volume:57 pages:217-227 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 57 217-227
spelling	10.1016/j.ymben.2019.12.001 doi (DE-627)ELV003444546 (ELSEVIER)S1096-7176(19)30313-1 DE-627 ger DE-627 rda eng 610 DE-600 42.17 bkl 42.15 bkl Yunus, Ian Sofian verfasserin aut Methanol-free biosynthesis of fatty acid methyl ester (FAME) in 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier To meet the increasing global demand of biodiesel over the next decades, alternative methods for producing one of the key constituents of biodiesel (e.g. fatty acid methyl esters (FAMEs)) are needed. Algal biodiesel has been a long-term target compromised by excessive costs for harvesting and processing. In this work, we engineered cyanobacteria to convert carbon dioxide into excreted FAME, without requiring methanol as a methyl donor. To produce FAME, acyl-ACP, a product of the fatty acid biosynthesis pathway, was first converted into free fatty acid (FFA) by a thioesterase, namely ’UcFatB1 from Umbellularia californica. Next, by employing a juvenile hormone acid O-methyltransferase (DmJHAMT) from Drosophila melanogaster and S-adenosylmethionine (SAM) as a methyl donor, FFAs were converted into corresponding FAMEs. The esters were naturally secreted extracellularly, allowing simple product separation by solvent overlay as opposed to conventional algae biodiesel production where the algae biomass must first be harvested and processed for transesterification of extracted triacylglycerols (TAGs). By optimizing both the promoter and RBS elements, up to 120 mg/L of FAMEs were produced in 10 days. Quantification of key proteins and metabolites, together with constructs over-expressing SAM synthetase (MetK), indicated that ’UcFatB1, MetK, and DmJHAMT were the main factors limiting pathway flux. In order to solve the latter limitation, two reconstructed ancestral sequences of DmJHAMT were also tried, resulting in strains showing a broader methyl ester chain-length profile in comparison to the native DmJHAMT. Altogether, this work demonstrates a promising pathway for direct sunlight-driven conversion of CO2 into excreted FAME. Methyl laurate Dodecanoic acid Biodiesel FAME Cyanobacteria Metabolic engineering Juvenile hormone acid O-methyl transferase Ancestral sequence reconstruction SAM-Dependent methyl transferase Palma, Arianna verfasserin aut Trudeau, Devin L. verfasserin aut Tawfik, Dan S. verfasserin aut Jones, Patrik R. verfasserin aut Enthalten in Metabolic engineering Orlando, Fla. : Academic Press, 1999 57, Seite 217-227 Online-Ressource (DE-627)267838808 (DE-600)1471017-1 (DE-576)110350340 1096-7184 nnns volume:57 pages:217-227 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 57 217-227
allfields_unstemmed	10.1016/j.ymben.2019.12.001 doi (DE-627)ELV003444546 (ELSEVIER)S1096-7176(19)30313-1 DE-627 ger DE-627 rda eng 610 DE-600 42.17 bkl 42.15 bkl Yunus, Ian Sofian verfasserin aut Methanol-free biosynthesis of fatty acid methyl ester (FAME) in 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier To meet the increasing global demand of biodiesel over the next decades, alternative methods for producing one of the key constituents of biodiesel (e.g. fatty acid methyl esters (FAMEs)) are needed. Algal biodiesel has been a long-term target compromised by excessive costs for harvesting and processing. In this work, we engineered cyanobacteria to convert carbon dioxide into excreted FAME, without requiring methanol as a methyl donor. To produce FAME, acyl-ACP, a product of the fatty acid biosynthesis pathway, was first converted into free fatty acid (FFA) by a thioesterase, namely ’UcFatB1 from Umbellularia californica. Next, by employing a juvenile hormone acid O-methyltransferase (DmJHAMT) from Drosophila melanogaster and S-adenosylmethionine (SAM) as a methyl donor, FFAs were converted into corresponding FAMEs. The esters were naturally secreted extracellularly, allowing simple product separation by solvent overlay as opposed to conventional algae biodiesel production where the algae biomass must first be harvested and processed for transesterification of extracted triacylglycerols (TAGs). By optimizing both the promoter and RBS elements, up to 120 mg/L of FAMEs were produced in 10 days. Quantification of key proteins and metabolites, together with constructs over-expressing SAM synthetase (MetK), indicated that ’UcFatB1, MetK, and DmJHAMT were the main factors limiting pathway flux. In order to solve the latter limitation, two reconstructed ancestral sequences of DmJHAMT were also tried, resulting in strains showing a broader methyl ester chain-length profile in comparison to the native DmJHAMT. Altogether, this work demonstrates a promising pathway for direct sunlight-driven conversion of CO2 into excreted FAME. Methyl laurate Dodecanoic acid Biodiesel FAME Cyanobacteria Metabolic engineering Juvenile hormone acid O-methyl transferase Ancestral sequence reconstruction SAM-Dependent methyl transferase Palma, Arianna verfasserin aut Trudeau, Devin L. verfasserin aut Tawfik, Dan S. verfasserin aut Jones, Patrik R. verfasserin aut Enthalten in Metabolic engineering Orlando, Fla. : Academic Press, 1999 57, Seite 217-227 Online-Ressource (DE-627)267838808 (DE-600)1471017-1 (DE-576)110350340 1096-7184 nnns volume:57 pages:217-227 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 57 217-227
allfieldsGer	10.1016/j.ymben.2019.12.001 doi (DE-627)ELV003444546 (ELSEVIER)S1096-7176(19)30313-1 DE-627 ger DE-627 rda eng 610 DE-600 42.17 bkl 42.15 bkl Yunus, Ian Sofian verfasserin aut Methanol-free biosynthesis of fatty acid methyl ester (FAME) in 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier To meet the increasing global demand of biodiesel over the next decades, alternative methods for producing one of the key constituents of biodiesel (e.g. fatty acid methyl esters (FAMEs)) are needed. Algal biodiesel has been a long-term target compromised by excessive costs for harvesting and processing. In this work, we engineered cyanobacteria to convert carbon dioxide into excreted FAME, without requiring methanol as a methyl donor. To produce FAME, acyl-ACP, a product of the fatty acid biosynthesis pathway, was first converted into free fatty acid (FFA) by a thioesterase, namely ’UcFatB1 from Umbellularia californica. Next, by employing a juvenile hormone acid O-methyltransferase (DmJHAMT) from Drosophila melanogaster and S-adenosylmethionine (SAM) as a methyl donor, FFAs were converted into corresponding FAMEs. The esters were naturally secreted extracellularly, allowing simple product separation by solvent overlay as opposed to conventional algae biodiesel production where the algae biomass must first be harvested and processed for transesterification of extracted triacylglycerols (TAGs). By optimizing both the promoter and RBS elements, up to 120 mg/L of FAMEs were produced in 10 days. Quantification of key proteins and metabolites, together with constructs over-expressing SAM synthetase (MetK), indicated that ’UcFatB1, MetK, and DmJHAMT were the main factors limiting pathway flux. In order to solve the latter limitation, two reconstructed ancestral sequences of DmJHAMT were also tried, resulting in strains showing a broader methyl ester chain-length profile in comparison to the native DmJHAMT. Altogether, this work demonstrates a promising pathway for direct sunlight-driven conversion of CO2 into excreted FAME. Methyl laurate Dodecanoic acid Biodiesel FAME Cyanobacteria Metabolic engineering Juvenile hormone acid O-methyl transferase Ancestral sequence reconstruction SAM-Dependent methyl transferase Palma, Arianna verfasserin aut Trudeau, Devin L. verfasserin aut Tawfik, Dan S. verfasserin aut Jones, Patrik R. verfasserin aut Enthalten in Metabolic engineering Orlando, Fla. : Academic Press, 1999 57, Seite 217-227 Online-Ressource (DE-627)267838808 (DE-600)1471017-1 (DE-576)110350340 1096-7184 nnns volume:57 pages:217-227 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 57 217-227
allfieldsSound	10.1016/j.ymben.2019.12.001 doi (DE-627)ELV003444546 (ELSEVIER)S1096-7176(19)30313-1 DE-627 ger DE-627 rda eng 610 DE-600 42.17 bkl 42.15 bkl Yunus, Ian Sofian verfasserin aut Methanol-free biosynthesis of fatty acid methyl ester (FAME) in 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier To meet the increasing global demand of biodiesel over the next decades, alternative methods for producing one of the key constituents of biodiesel (e.g. fatty acid methyl esters (FAMEs)) are needed. Algal biodiesel has been a long-term target compromised by excessive costs for harvesting and processing. In this work, we engineered cyanobacteria to convert carbon dioxide into excreted FAME, without requiring methanol as a methyl donor. To produce FAME, acyl-ACP, a product of the fatty acid biosynthesis pathway, was first converted into free fatty acid (FFA) by a thioesterase, namely ’UcFatB1 from Umbellularia californica. Next, by employing a juvenile hormone acid O-methyltransferase (DmJHAMT) from Drosophila melanogaster and S-adenosylmethionine (SAM) as a methyl donor, FFAs were converted into corresponding FAMEs. The esters were naturally secreted extracellularly, allowing simple product separation by solvent overlay as opposed to conventional algae biodiesel production where the algae biomass must first be harvested and processed for transesterification of extracted triacylglycerols (TAGs). By optimizing both the promoter and RBS elements, up to 120 mg/L of FAMEs were produced in 10 days. Quantification of key proteins and metabolites, together with constructs over-expressing SAM synthetase (MetK), indicated that ’UcFatB1, MetK, and DmJHAMT were the main factors limiting pathway flux. In order to solve the latter limitation, two reconstructed ancestral sequences of DmJHAMT were also tried, resulting in strains showing a broader methyl ester chain-length profile in comparison to the native DmJHAMT. Altogether, this work demonstrates a promising pathway for direct sunlight-driven conversion of CO2 into excreted FAME. Methyl laurate Dodecanoic acid Biodiesel FAME Cyanobacteria Metabolic engineering Juvenile hormone acid O-methyl transferase Ancestral sequence reconstruction SAM-Dependent methyl transferase Palma, Arianna verfasserin aut Trudeau, Devin L. verfasserin aut Tawfik, Dan S. verfasserin aut Jones, Patrik R. verfasserin aut Enthalten in Metabolic engineering Orlando, Fla. : Academic Press, 1999 57, Seite 217-227 Online-Ressource (DE-627)267838808 (DE-600)1471017-1 (DE-576)110350340 1096-7184 nnns volume:57 pages:217-227 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 57 217-227
language	English
source	Enthalten in Metabolic engineering 57, Seite 217-227 volume:57 pages:217-227
sourceStr	Enthalten in Metabolic engineering 57, Seite 217-227 volume:57 pages:217-227
format_phy_str_mv	Article
bklname	Allgemeine Physiologie Zellbiologie
institution	findex.gbv.de
topic_facet	Methyl laurate Dodecanoic acid Biodiesel FAME Cyanobacteria Metabolic engineering Juvenile hormone acid O-methyl transferase Ancestral sequence reconstruction SAM-Dependent methyl transferase
dewey-raw	610
isfreeaccess_bool	false
container_title	Metabolic engineering
authorswithroles_txt_mv	Yunus, Ian Sofian @@aut@@ Palma, Arianna @@aut@@ Trudeau, Devin L. @@aut@@ Tawfik, Dan S. @@aut@@ Jones, Patrik R. @@aut@@
publishDateDaySort_date	2019-01-01T00:00:00Z
hierarchy_top_id	267838808
dewey-sort	3610
id	ELV003444546
language_de	englisch
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author	Yunus, Ian Sofian
spellingShingle	Yunus, Ian Sofian ddc 610 bkl 42.17 bkl 42.15 misc Methyl laurate misc Dodecanoic acid misc Biodiesel misc FAME misc Cyanobacteria misc Metabolic engineering misc Juvenile hormone acid O-methyl transferase misc Ancestral sequence reconstruction misc SAM-Dependent methyl transferase Methanol-free biosynthesis of fatty acid methyl ester (FAME) in
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topic_title	610 DE-600 42.17 bkl 42.15 bkl Methanol-free biosynthesis of fatty acid methyl ester (FAME) in Methyl laurate Dodecanoic acid Biodiesel FAME Cyanobacteria Metabolic engineering Juvenile hormone acid O-methyl transferase Ancestral sequence reconstruction SAM-Dependent methyl transferase
topic	ddc 610 bkl 42.17 bkl 42.15 misc Methyl laurate misc Dodecanoic acid misc Biodiesel misc FAME misc Cyanobacteria misc Metabolic engineering misc Juvenile hormone acid O-methyl transferase misc Ancestral sequence reconstruction misc SAM-Dependent methyl transferase
topic_unstemmed	ddc 610 bkl 42.17 bkl 42.15 misc Methyl laurate misc Dodecanoic acid misc Biodiesel misc FAME misc Cyanobacteria misc Metabolic engineering misc Juvenile hormone acid O-methyl transferase misc Ancestral sequence reconstruction misc SAM-Dependent methyl transferase
topic_browse	ddc 610 bkl 42.17 bkl 42.15 misc Methyl laurate misc Dodecanoic acid misc Biodiesel misc FAME misc Cyanobacteria misc Metabolic engineering misc Juvenile hormone acid O-methyl transferase misc Ancestral sequence reconstruction misc SAM-Dependent methyl transferase
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title	Methanol-free biosynthesis of fatty acid methyl ester (FAME) in
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title_full	Methanol-free biosynthesis of fatty acid methyl ester (FAME) in
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title_sort	methanol-free biosynthesis of fatty acid methyl ester (fame) in
title_auth	Methanol-free biosynthesis of fatty acid methyl ester (FAME) in
abstract	To meet the increasing global demand of biodiesel over the next decades, alternative methods for producing one of the key constituents of biodiesel (e.g. fatty acid methyl esters (FAMEs)) are needed. Algal biodiesel has been a long-term target compromised by excessive costs for harvesting and processing. In this work, we engineered cyanobacteria to convert carbon dioxide into excreted FAME, without requiring methanol as a methyl donor. To produce FAME, acyl-ACP, a product of the fatty acid biosynthesis pathway, was first converted into free fatty acid (FFA) by a thioesterase, namely ’UcFatB1 from Umbellularia californica. Next, by employing a juvenile hormone acid O-methyltransferase (DmJHAMT) from Drosophila melanogaster and S-adenosylmethionine (SAM) as a methyl donor, FFAs were converted into corresponding FAMEs. The esters were naturally secreted extracellularly, allowing simple product separation by solvent overlay as opposed to conventional algae biodiesel production where the algae biomass must first be harvested and processed for transesterification of extracted triacylglycerols (TAGs). By optimizing both the promoter and RBS elements, up to 120 mg/L of FAMEs were produced in 10 days. Quantification of key proteins and metabolites, together with constructs over-expressing SAM synthetase (MetK), indicated that ’UcFatB1, MetK, and DmJHAMT were the main factors limiting pathway flux. In order to solve the latter limitation, two reconstructed ancestral sequences of DmJHAMT were also tried, resulting in strains showing a broader methyl ester chain-length profile in comparison to the native DmJHAMT. Altogether, this work demonstrates a promising pathway for direct sunlight-driven conversion of CO2 into excreted FAME.
abstractGer	To meet the increasing global demand of biodiesel over the next decades, alternative methods for producing one of the key constituents of biodiesel (e.g. fatty acid methyl esters (FAMEs)) are needed. Algal biodiesel has been a long-term target compromised by excessive costs for harvesting and processing. In this work, we engineered cyanobacteria to convert carbon dioxide into excreted FAME, without requiring methanol as a methyl donor. To produce FAME, acyl-ACP, a product of the fatty acid biosynthesis pathway, was first converted into free fatty acid (FFA) by a thioesterase, namely ’UcFatB1 from Umbellularia californica. Next, by employing a juvenile hormone acid O-methyltransferase (DmJHAMT) from Drosophila melanogaster and S-adenosylmethionine (SAM) as a methyl donor, FFAs were converted into corresponding FAMEs. The esters were naturally secreted extracellularly, allowing simple product separation by solvent overlay as opposed to conventional algae biodiesel production where the algae biomass must first be harvested and processed for transesterification of extracted triacylglycerols (TAGs). By optimizing both the promoter and RBS elements, up to 120 mg/L of FAMEs were produced in 10 days. Quantification of key proteins and metabolites, together with constructs over-expressing SAM synthetase (MetK), indicated that ’UcFatB1, MetK, and DmJHAMT were the main factors limiting pathway flux. In order to solve the latter limitation, two reconstructed ancestral sequences of DmJHAMT were also tried, resulting in strains showing a broader methyl ester chain-length profile in comparison to the native DmJHAMT. Altogether, this work demonstrates a promising pathway for direct sunlight-driven conversion of CO2 into excreted FAME.
abstract_unstemmed	To meet the increasing global demand of biodiesel over the next decades, alternative methods for producing one of the key constituents of biodiesel (e.g. fatty acid methyl esters (FAMEs)) are needed. Algal biodiesel has been a long-term target compromised by excessive costs for harvesting and processing. In this work, we engineered cyanobacteria to convert carbon dioxide into excreted FAME, without requiring methanol as a methyl donor. To produce FAME, acyl-ACP, a product of the fatty acid biosynthesis pathway, was first converted into free fatty acid (FFA) by a thioesterase, namely ’UcFatB1 from Umbellularia californica. Next, by employing a juvenile hormone acid O-methyltransferase (DmJHAMT) from Drosophila melanogaster and S-adenosylmethionine (SAM) as a methyl donor, FFAs were converted into corresponding FAMEs. The esters were naturally secreted extracellularly, allowing simple product separation by solvent overlay as opposed to conventional algae biodiesel production where the algae biomass must first be harvested and processed for transesterification of extracted triacylglycerols (TAGs). By optimizing both the promoter and RBS elements, up to 120 mg/L of FAMEs were produced in 10 days. Quantification of key proteins and metabolites, together with constructs over-expressing SAM synthetase (MetK), indicated that ’UcFatB1, MetK, and DmJHAMT were the main factors limiting pathway flux. In order to solve the latter limitation, two reconstructed ancestral sequences of DmJHAMT were also tried, resulting in strains showing a broader methyl ester chain-length profile in comparison to the native DmJHAMT. Altogether, this work demonstrates a promising pathway for direct sunlight-driven conversion of CO2 into excreted FAME.
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title_short	Methanol-free biosynthesis of fatty acid methyl ester (FAME) in
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author2	Palma, Arianna Trudeau, Devin L. Tawfik, Dan S. Jones, Patrik R.
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Algal biodiesel has been a long-term target compromised by excessive costs for harvesting and processing. In this work, we engineered cyanobacteria to convert carbon dioxide into excreted FAME, without requiring methanol as a methyl donor. To produce FAME, acyl-ACP, a product of the fatty acid biosynthesis pathway, was first converted into free fatty acid (FFA) by a thioesterase, namely ’UcFatB1 from Umbellularia californica. Next, by employing a juvenile hormone acid O-methyltransferase (DmJHAMT) from Drosophila melanogaster and S-adenosylmethionine (SAM) as a methyl donor, FFAs were converted into corresponding FAMEs. The esters were naturally secreted extracellularly, allowing simple product separation by solvent overlay as opposed to conventional algae biodiesel production where the algae biomass must first be harvested and processed for transesterification of extracted triacylglycerols (TAGs). By optimizing both the promoter and RBS elements, up to 120 mg/L of FAMEs were produced in 10 days. Quantification of key proteins and metabolites, together with constructs over-expressing SAM synthetase (MetK), indicated that ’UcFatB1, MetK, and DmJHAMT were the main factors limiting pathway flux. In order to solve the latter limitation, two reconstructed ancestral sequences of DmJHAMT were also tried, resulting in strains showing a broader methyl ester chain-length profile in comparison to the native DmJHAMT. Altogether, this work demonstrates a promising pathway for direct sunlight-driven conversion of CO2 into excreted FAME.</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Methyl laurate</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Dodecanoic acid</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Biodiesel</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">FAME</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Cyanobacteria</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Metabolic engineering</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Juvenile hormone acid O-methyl transferase</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Ancestral sequence reconstruction</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield 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