Metabolic Engineering

Papers
(The median citation count of Metabolic Engineering is 10. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-06-01 to 2025-06-01.)
ArticleCitations
Editorial Board211
Editorial Board127
Introduction of acetyl-phosphate bypass and increased culture temperatures enhanced growth-coupled poly-hydroxybutyrate production in the marine cyanobacterium Synechococcus sp. PCC7002107
Elucidation and engineering of Sphingolipid biosynthesis pathway in Yarrowia lipolytica for enhanced production of human-type sphingoid bases and glucosylceramides106
Alternative routes for production of the drug candidate d-chiro-inositol with Corynebacterium glutamicum using endogenous or promiscuous plant enzymes100
Microbial synthesis of wax esters93
Model-guided dynamic control of essential metabolic nodes boosts acetyl-coenzyme A–dependent bioproduction in rewired Pseudomonas putida85
Computational design and analysis of modular cells for large libraries of exchangeable product synthesis modules68
Engineering Escherichia coli for production of geraniol by systematic synthetic biology approaches and laboratory-evolved fusion tags67
Efficient production of (S)-limonene and geraniol in Saccharomyces cerevisiae through the utilization of an Erg20 mutant with enhanced GPP accumulation capability65
Portable bacterial CRISPR transcriptional activation enables metabolic engineering in Pseudomonas putida65
In-planta production of the biodegradable polyester precursor 2-pyrone-4,6-dicarboxylic acid (PDC): Stacking reduced biomass recalcitrance with value-added co-product61
Synthetic metabolic pathways for conversion of CO2 into secreted short-to medium-chain hydrocarbons using cyanobacteria61
A metabolic CRISPR-Cas9 screen in Chinese hamster ovary cells identifies glutamine-sensitive genes59
Heterologous biosynthesis of betanin triggers metabolic reprogramming in tobacco57
Butyrate as a growth factor of Clostridium acetobutylicum55
Engineering sub-organelles of a diploid Saccharomyces cerevisiae to enhance the production of 7-dehydrocholesterol54
Engineering Yarrowia lipolytica for sustainable ricinoleic acid production: A pathway to free fatty acid synthesis54
Biosensor-informed engineering of Cupriavidus necator H16 for autotrophic D-mannitol production53
The flocculant Saccharomyces cerevisiae strain gains robustness via alteration of the cell wall hydrophobicity51
A “push-pull-restrain” strategy to improve citronellol production in Saccharomyces cerevisiae51
Engineering carbon source division of labor for efficient α-carotene production in Corynebacterium glutamicum51
13C-Metabolic flux analysis of 3T3-L1 adipocytes illuminates its core metabolism under hypoxia50
Biosynthesis of 12-aminododecanoic acid from biomass sugars50
Optimized production of concanamycins using a rational metabolic engineering strategy50
Multi-level rebalancing of the naringenin pathway using riboswitch-guided high-throughput screening50
Development of a Streptomyces-based system for facile thioholgamide library generation and analysis49
Inferring secretory and metabolic pathway activity from omic data with secCellFie47
Engineering an SspB-mediated degron for novel controllable protein degradation47
Integrating metabolome dynamics and process data to guide cell line selection in biopharmaceutical process development46
Pathway elucidation and microbial synthesis of proaporphine and bis-benzylisoquinoline alkaloids from sacred lotus (Nelumbo nucifera)46
Identification of a specific exporter that enables high production of aconitic acid in Aspergillus pseudoterreus46
Integrated knowledge mining, genome-scale modeling, and machine learning for predicting Yarrowia lipolytica bioproduction44
Machine-learning guided elucidation of contribution of individual steps in the mevalonate pathway and construction of a yeast platform strain for terpenoid production44
Highly efficient production of L-homoserine in Escherichia coli by engineering a redox balance route44
Versatile xylose and arabinose genetic switches development for yeasts44
Enhanced targeted DNA methylation of the CMV and endogenous promoters with dCas9-DNMT3A3L entails distinct subsequent histone modification changes in CHO cells43
Glycoengineering of Aspergillus nidulans to produce precursors for humanized N-glycan structures42
Metabolic engineering of the oleaginous alga Nannochloropsis for enriching eicosapentaenoic acid in triacylglycerol by combined pulling and pushing strategies42
Synergistic experimental and computational approach identifies novel strategies for polyhydroxybutyrate overproduction41
De novo 2′-fucosyllactose biosynthesis using glucose as the sole carbon source by multiple engineered Bacillus subtilis41
High-yield production of (R)-acetoin in Saccharomyces cerevisiae by deleting genes for NAD(P)H-dependent ketone reductases producing meso-2,3-butanediol and 2,3-dimethylglycerate41
Coordinating caffeic acid and salvianic acid A pathways for efficient production of rosmarinic acid in Escherichia coli41
Cascaded valorization of brown seaweed to produce l-lysine and value-added products using Corynebacterium glutamicum streamlined by systems metabolic engineering41
Silk fibroin production in Escherichia coli is limited by a positive feedback loop between metabolic burden and toxicity stress40
Engineering diverse fatty acid compositions of phospholipids in Escherichia coli40
Metabolic engineering of Escherichia coli for N-methylserotonin biosynthesis40
Advances in systems metabolic engineering of autotrophic carbon oxide-fixing biocatalysts towards a circular economy40
Rethinking 13C-metabolic flux analysis – The Bayesian way of flux inference40
Identification of novel metabolic engineering targets for S-adenosyl-L-methionine production in Saccharomyces cerevisiae via genome-scale engineering40
COSMIC-dFBA: A novel multi-scale hybrid framework for bioprocess modeling39
Engineering the thermotolerant industrial yeast Kluyveromyces marxianus for anaerobic growth39
Auto-inducible synthetic pathway in E. coli enhanced sustainable indigo production from glucose39
Consistent biosynthesis of D-glycerate from variable mixed substrates39
Coupling cell growth and biochemical pathway induction in Saccharomyces cerevisiae for production of (+)-valencene and its chemical conversion to (+)-nootkatone39
Unlocking lager's flavour palette by metabolic engineering of Saccharomyces pastorianus for enhanced ethyl ester production39
CelloSelect – A synthetic cellobiose metabolic pathway for selection of stable transgenic CHO cell lines39
Consolidated bioprocessing for bioethanol production by metabolically engineered cellulolytic fungus Myceliophthora thermophila39
Magnetosome membrane engineering to improve G protein-coupled receptor activities in the magnetosome display system37
Integrating thermodynamic and enzymatic constraints into genome-scale metabolic models37
Boosting titers of engineered triketide and tetraketide synthases to record levels through T7 promoter tuning36
A reactive species reactions module for integration into genome-scale metabolic models for improved insights: Application to cancer36
A Pseudomonas taiwanensis malonyl-CoA platform strain for polyketide synthesis35
Optimization of heterologous Darobactin A expression and identification of the minimal biosynthetic gene cluster35
Functional genomic screening in Komagataella phaffii enabled by high-activity CRISPR-Cas9 library35
Deep learning for NAD/NADP cofactor prediction and engineering using transformer attention analysis in enzymes35
A novel step towards the heterologous biosynthesis of paclitaxel: Characterization of T1βOH taxane hydroxylase34
Secretory production of spider silk proteins in metabolically engineered Corynebacterium glutamicum for spinning into tough fibers34
Biosynthesis of diverse α,ω-diol-derived polyhydroxyalkanoates by engineered Halomonas bluephagenesis34
Time-resolved, deuterium-based fluxomics uncovers the hierarchy and dynamics of sugar processing by Pseudomonas putida34
Membrane transporter identification and modulation via adaptive laboratory evolution34
Engineering and evolution of the complete Reductive Glycine Pathway in Saccharomyces cerevisiae for formate and CO2 assimilation33
Metabolic engineering of commensal bacteria for gut butyrate delivery and dissection of host-microbe interaction33
Engineering Rhodosporidium toruloides for production of 3-hydroxypropionic acid from lignocellulosic hydrolysate33
Editorial Board31
Corrigendum to “Tandem chemical deconstruction and biological upcycling of poly(ethylene terephthalate) to β-ketoadipic acid by Pseudomonas putida KT2440” (Metab. Eng. 67 (2021) 250–261)31
Repurposing plant hormone receptors as chemically-inducible genetic switches for dynamic regulation in yeast31
Self-controlled in silico gene knockdown strategies to enhance the sustainable production of heterologous terpenoid by Saccharomyces cerevisiae31
Co-cultivation of Saccharomyces cerevisiae strains combines advantages of different metabolic engineering strategies for improved ethanol yield31
Systems metabolic engineering of Corynebacterium glutamicum eliminates all by-products for selective and high-yield production of the platform chemical 5-aminovalerate31
Flux optimization using multiple promoters in Halomonas bluephagenesis as a model chassis of the next generation industrial biotechnology30
Manufacturing specialized wax esters in plants30
Verazine biosynthesis from simple sugars in engineered Saccharomyces cerevisiae30
Endogenous BiP reporter system for simultaneous identification of ER stress and antibody production in Chinese hamster ovary cells29
Establishing recombinant production of pediocin PA-1 in Corynebacterium glutamicum29
Targeting cofactors regeneration in methylation and hydroxylation for high level production of Ferulic acid29
Metabolic engineering of artificially modified transcription factor SmMYB36-VP16 for high-level production of tanshinones and phenolic acids29
Selective microbial production of lacto-N-fucopentaose I in Escherichia coli using engineered α-1,2-fucosyltransferases29
Systems metabolic engineering upgrades Corynebacterium glutamicum for selective high-level production of the chiral drug precursor and cell-protective extremolyte L-pipecolic acid29
Engineering of insect juvenile hormone III biosynthesis in the plant Nicotiana benthamiana28
Ectoine hyperproduction by engineered Halomonas bluephagenesis28
High-yield production of FK228 and new derivatives in a Burkholderia chassis28
Electrical-biological hybrid system for carbon efficient isobutanol production27
Engineering promiscuity of chloramphenicol acetyltransferase for microbial designer ester biosynthesis27
Developing a Bacillus licheniformis platform for de novo production of γ-aminobutyric acid and other glutamate-derived chemicals27
Development of a growth coupled and multi-layered dynamic regulation network balancing malonyl-CoA node to enhance (2S)-naringenin biosynthesis in Escherichia coli27
Evaluation of strategies to narrow the product chain-length distribution of microbially synthesized free fatty acids27
Efficient production of natural sunscreens shinorine, porphyra-334, and mycosporine-2-glycine in Saccharomyces cerevisiae26
KETCHUP: Parameterizing of large-scale kinetic models using multiple datasets with different reference states26
Fluctuating pH for efficient photomixotrophic succinate production26
Editorial Board26
Biosynthesis of β-lactam nuclei in yeast26
Metabolic engineering of Escherichia coli for high production of 1,5-pentanediol via a cadaverine-derived pathway26
Kinetically guided, ratiometric tuning of fatty acid biosynthesis26
Genetic and biocatalytic basis of formate dependent growth of Escherichia coli strains evolved in continuous culture26
Generation of a Vibrio-based platform for efficient conversion of raffinose through Adaptive Laboratory Evolution on a solid medium25
CRISPRi-microfluidics screening enables genome-scale target identification for high-titer protein production and secretion25
Engineering 5-hydroxymethylfurfural (HMF) oxidation in Pseudomonas boosts tolerance and accelerates 2,5-furandicarboxylic acid (FDCA) production25
Evolution-assisted engineering of E. coli enables growth on formic acid at ambient CO2 via the Serine Threonine Cycle25
Overexpression of peroxisome proliferator-activated receptor co-activator-1⍺ (PGC-1⍺) in Chinese hamster ovary cells increases oxidative metabolism and IgG productivity25
Sustainable production of genistin from glycerol by constructing and optimizing Escherichia coli25
Minimized antibiotic-free plasmid vector for gene therapy utilizing a new toxin-antitoxin system25
Engineering the permeability of Halomonas bluephagenesis enhanced its chassis properties25
High-level and -yield production of L-leucine in engineered Escherichia coli by multistep metabolic engineering24
Editorial Board24
Coordinated reprogramming of ATP metabolism strongly enhances adipic acid production in Escherichia coli24
Rational search of genetic design space for a heterologous terpene metabolic pathway in Streptomyces24
Metabolic engineering of Saccharomyces cerevisiae for gram-scale diosgenin production24
Editorial Board24
Unraveling productivity-enhancing genes in Chinese hamster ovary cells via CRISPR activation screening using recombinase-mediated cassette exchange system24
Efficient production of retinol in Yarrowia lipolytica by increasing stability using antioxidant and detergent extraction24
Development of an efficient yeast platform for cannabigerolic acid biosynthesis24
Organic waste conversion through anaerobic digestion: A critical insight into the metabolic pathways and microbial interactions24
A tRNA Modification-based strategy for Identifying amiNo acid Overproducers (AMINO)24
A tunable metabolic valve for precise growth control and increased product formation in Pseudomonas putida24
A manipulation of carotenoid metabolism influence biomass partitioning and fitness in tomato24
Laboratory evolution of Synechocystis sp. PCC 6803 for phenylpropanoid production23
Debottlenecking 4-hydroxybenzoate hydroxylation in Pseudomonas putida KT2440 improves muconate productivity from p-coumarate23
Rational orthologous pathway and biochemical process engineering for adipic acid production using Pseudomonas taiwanensis VLB12023
A dynamic kinetic model captures cell-free metabolism for improved butanol production23
Editorial Board22
Thermodynamic limitations of PHB production from formate and fructose in Cupriavidus necator22
AI-based automated construction of high-precision Geobacillus thermoglucosidasius enzyme constraint model22
Genome-scale and pathway engineering for the sustainable aviation fuel precursor isoprenol production in Pseudomonas putida22
Cyanobacterial phycobilisomes as a platform for the stable production of heterologous enzymes and other proteins22
Laboratory evolution reveals general and specific tolerance mechanisms for commodity chemicals22
Engineering ethanologenicity into the extremely thermophilic bacterium Anaerocellum (f. Caldicellulosiriuptor) bescii21
Engineering metabolic flux for the microbial synthesis of aromatic compounds21
dCas9-mediated dysregulation of gene expression in human induced pluripotent stem cells during primitive streak differentiation21
Integrated rational and evolutionary engineering of genome-reduced Pseudomonas putida strains promotes synthetic formate assimilation21
Metabolic engineering of Corynebacterium glutamicum for production of scyllo-inositol, a drug candidate against Alzheimer's disease21
Microbial production of human milk oligosaccharide lactodifucotetraose21
Animal-free heme production for artificial meat in Corynebacterium glutamicum via systems metabolic and membrane engineering21
Multi-dimensional experimental and computational exploration of metabolism pinpoints complex probiotic interactions21
Enabling anaerobic growth of Escherichia coli on glycerol in defined minimal medium using acetate as redox sink21
Multi-omic based production strain improvement (MOBpsi) for bio-manufacturing of toxic chemicals21
Big data and machine learning: Metabolic engineering special issue20
Multi-omics view of recombinant Yarrowia lipolytica: Enhanced ketogenic amino acid catabolism increases polyketide-synthase-driven docosahexaenoic production to high selectivity at the gram scale20
Combinatorial iterative method for metabolic engineering of Yarrowia lipolytica: Application for betanin biosynthesis20
Recent advances toward the bioconversion of methane and methanol in synthetic methylotrophs20
Editorial Board20
Engineering nucleotide sugar synthesis pathways for independent and simultaneous modulation of N-glycan galactosylation and fucosylation in CHO cells20
Accurate prediction of in vivo protein abundances by coupling constraint-based modelling and machine learning20
A nutrition algorithm to optimize feed and medium composition using genome-scale metabolic models20
Engineering Escherichia coli for efficient glutathione production20
Establishing a coumarin production platform by protein and metabolic engineering20
Metabolic engineering improves transduction efficiency and downstream vector isolation by altering the lipid composition of extracellular vesicle-enclosed AAV20
Metabolic engineering of human gut microbiome: Recent developments and future perspectives19
Metabolic impact of heterologous protein production in Pseudomonas putida: Insights into carbon and energy flux control19
Evaluating proteome allocation of Saccharomyces cerevisiae phenotypes with resource balance analysis19
Deciphering molecular drivers of lactate metabolic shift in mammalian cell cultures19
Population genomics-guided engineering of phenazine biosynthesis in Pseudomonas chlororaphis19
Metabolic reprogramming and biosensor-assisted mutagenesis screening for high-level production of L-arginine in Escherichia coli19
Production of species-specific anthocyanins through an inducible system in plant hairy roots18
Development of platforms for functional characterization and production of phenazines using a multi-chassis approach via CRAGE18
Optogenetic control of Cdc48 for dynamic metabolic engineering in yeast18
High-yield production of coenzyme F420 in Escherichia coli by fluorescence-based screening of multi-dimensional gene expression space18
Chemical-damage MINE: A database of curated and predicted spontaneous metabolic reactions18
Suppressors of amyloid-β toxicity improve recombinant protein production in yeast by reducing oxidative stress and tuning cellular metabolism18
Dynamic regulation combined with systematic metabolic engineering for high-level palmitoleic acid accumulation in oleaginous yeast18
A contribution of metabolic engineering to addressing medical problems: Metabolic flux analysis18
Improving the soluble expression of difficult-to-express proteins in prokaryotic expression system via protein engineering and synthetic biology strategies17
Construction of a synthetic metabolic pathway for biosynthesis of threonine from ethylene glycol17
Metabolic division engineering of Escherichia coli consortia for de novo biosynthesis of flavonoids and flavonoid glycosides17
Efforts to install a heterologous Wood-Ljungdahl pathway in Clostridium acetobutylicum enable the identification of the native tetrahydrofolate (THF) cycle and result in early induction of solvents17
Editorial Board17
De novo biosynthesis of 3-hydroxy-3-methylbutyrate as anti-catabolic supplement by metabolically engineered Escherichia coli17
Establishing an Autonomous Cascaded Artificial Dynamic (AutoCAD) regulation system for improved pathway performance17
Adaptive laboratory evolution and genetic engineering improved terephthalate utilization in Pseudomonas putida KT244017
Adaptive laboratory evolution of Escherichia coli W enhances gamma-aminobutyric acid production using glycerol as the carbon source17
One-pot selective biosynthesis of Tyrian purple in Escherichia coli17
Designing glucose utilization "highway" for recombinant biosynthesis17
Cross-regulation between proteome reallocation and metabolic flux redistribution governs bacterial growth transition kinetics17
Switching the yeast metabolism via manipulation of sugar phosphorylation16
Development of Corynebacterium glutamicum as a monoterpene production platform16
Systematic identification of Ocimum sanctum sesquiterpenoid synthases and (−)-eremophilene overproduction in engineered yeast16
A genome-scale dynamic constraint-based modelling (gDCBM) framework predicts growth dynamics, medium composition and intracellular flux distributions in CHO clonal variations16
Efficient production of an antitumor precursor actinocin and other medicinal molecules from kynurenine pathway in Escherichia coli16
Metabolic flux analysis of the non-transitory starch tradeoff for lipid production in mature tobacco leaves16
Engineering yeast for high-level production of diterpenoid sclareol16
Corrigendum to “Engineering glucose metabolism for enhanced muconic acid production in Pseudomonas putida KT2440” [Metab. Eng. 59 (2020) 64–75]16
Genome-scale models of metabolism and expression predict the metabolic burden of recombinant protein expression16
Modular, synthetic chromosomes as new tools for large scale engineering of metabolism16
Editorial Board16
Reconstructing a recycling and nonauxotroph biosynthetic pathway in Escherichia coli toward highly efficient production of L-citrulline15
Engineering the cellulolytic bacterium, Clostridium thermocellum, to co-utilize hemicellulose15
Helicase-AID: A novel molecular device for base editing at random genomic loci15
Directed evolution of biomass intensive CHO cells by adaptation to sub-physiological temperature15
Improved terephthalic acid production from p-xylene using metabolically engineered Pseudomonas putida15
Rank-ordering of known enzymes as starting points for re-engineering novel substrate activity using a convolutional neural network15
Initiation of fatty acid biosynthesis in Pseudomonas putida KT244015
Editorial Board14
Rational design of a bacterial import system for new-to-nature molecules14
Biosynthesis of a rosavin natural product in Escherichia coli by glycosyltransferase rational design and artificial pathway construction14
Production of the infant formula ingredient 1,3-olein-2-palmitin in Arabidopsis thaliana seeds14
Enzyme activity engineering based on sequence co-evolution analysis14
Riboswitch-guided chalcone synthase engineering and metabolic flux optimization for enhanced production of flavonoids14
Engineering low-salt growth Halomonas Bluephagenesis for cost-effective bioproduction combined with adaptive evolution14
Multilevel metabolic engineering of Bacillus licheniformis for de novo biosynthesis of 2-phenylethanol14
Live isolation of naïve ESCs via distinct glucose metabolism and stored glycogen14
Evolution and engineering of pathways for aromatic O-demethylation in Pseudomonas putida KT244014
Production of cholesterol-like molecules impacts Escherichia coli robustness, production capacity, and vesicle trafficking14
Metabolic engineering of Halomonas bluephagenesis for production of five carbon molecular chemicals derived from L-lysine14
High efficient production of plant flavonoids by microbial cell factories: Challenges and opportunities14
Evaluation of enzyme-constrained genome-scale model through metabolic engineering of anaerobic co-production of 2,3-butanediol and glycerol by Saccharomyces cerevisiae14
Combinational quorum sensing devices for dynamic control in cross-feeding cocultivation14
Deciphering the network of cholesterol biosynthesis in Paris polyphylla laid a base for efficient diosgenin production in plant chassis14
Plastidial engineering with coupled farnesyl diphosphate pool reconstitution and enhancement for sesquiterpene biosynthesis in tomato fruit13
Reconstructing curcumin biosynthesis in yeast reveals the implication of caffeoyl-shikimate esterase in phenylpropanoid metabolic flux13
CIFR (Clone–Integrate–Flip-out–Repeat): A toolset for iterative genome and pathway engineering of Gram-negative bacteria13
Engineering tropane alkaloid production and glyphosate resistance by overexpressing AbCaM1 and G2-EPSPS in Atropa belladonna13
Multidimensional engineering of Saccharomyces cerevisiae for the efficient production of heme by exploring the cytotoxicity and tolerance of heme13
Design and application of a kinetic model of lipid metabolism in Saccharomyces cerevisiae13
A counting-strategy together with a spatial structured model describes RNA polymerase and ribosome availability in Escherichia coli13
Modularized Engineering of Shewanella oneidensis MR-1 for Efficient and Directional Synthesis of 5-Aminolevulinic Acid13
A self-regulated network for dynamically balancing multiple precursors in complex biosynthetic pathways13
Food grade microbial synthesis of the butter aroma compound butanedione using engineered and non-engineered Lactococcus lactis13
Stochastic simulation algorithm for isotope-based dynamic flux analysis13
Editorial Board12
Guidelines for extracting biologically relevant context-specific metabolic models using gene expression data12
Elucidation of triacylglycerol catabolism in Yarrowia lipolytica: How cells balance acetyl-CoA and excess reducing equivalents12
Development of a nonauxotrophic L-homoserine hyperproducer in Escherichia coli by systems metabolic engineering12
Multiplex genome editing of mammalian cells for producing recombinant heparin12
A long-term growth stable Halomonas sp. deleted with multiple transposases guided by its metabolic network model Halo-ecGEM12
Engineering the biological conversion of formate into crotonate in Cupriavidus necator12
Systems metabolic engineering upgrades Corynebacterium glutamicum to high-efficiency cis, cis-muconic acid production from lignin-based aromatics12
Engineering of Corynebacterium glutamicum for high-level γ-aminobutyric acid production from glycerol by dynamic metabolic control12
Top-down synthetic biology approach for titer improvement of clinically important antibiotic daptomycin in Streptomyces roseosporus12
De novo biosynthesis of butyl butyrate in engineered Clostridium tyrobutyricum12
Combinatorial metabolic engineering of Bacillus subtilis for de novo production of polymyxin B12
Combinatorial gene inactivation of aldehyde dehydrogenases mitigates aldehyde oxidation catalyzed by E. coli resting cells12
Biosensor-based growth-coupling and spatial separation as an evolution strategy to improve small molecule production of Corynebacterium glutamicum12
Unleashing the innate ability of Escherichia coli to produce D-Allose12
Optogenetic reprogramming of carbon metabolism using light-powering microbial proton pump systems12
Cycling between growth and production phases increases cyanobacteria bioproduction of lactate12
The metabolic potential of plastics as biotechnological carbon sources – Review and targets for the future12
Editorial Board12
Metabolic engineering of the acid-tolerant yeast Pichia kudriavzevii for efficient L-malic acid production at low pH12
Metabolic engineering for the utilization of carbohydrate portions of lignocellulosic biomass12
Data-driven and model-guided systematic framework for media development in CHO cell culture12
0.10692000389099