Engineering the pathway in Escherichia coli for the synthesis of medium-chain-length polyhydroxyalkanoates consisting of both even- and odd-chain monomers.

abstract：BACKGROUND:Cholesterol, the precursor of all steroid hormones, is the most abundant steroid in vertebrates and exhibits highly hydrophobic properties, rendering it a difficult substrate for aqueous microbial biotransformations. In the present study, we developed a Bacillus megaterium based whole-cell system that allows...

journal_title：Microbial cell factories

authors： Gerber A,Kleser M,Biedendieck R,Bernhardt R,Hannemann F

更新日期：2015-07-29 00:00:00

abstract：BACKGROUND:Fatty aldehydes are industrially relevant compounds, which also represent a common metabolic intermediate in the microbial synthesis of various oleochemicals, including alkanes, fatty alcohols and wax esters. The key enzymes in biological fatty aldehyde production are the fatty acyl-CoA/ACP reductases (FARs)...

journal_title：Microbial cell factories

authors： Lehtinen T,Efimova E,Santala S,Santala V

更新日期：2018-02-08 00:00:00

abstract：BACKGROUND:Epimutations arising from transcriptional slippage seem to have more important role in regulating gene expression than earlier though. Since the level and the fidelity of transcription primarily determine the overall efficiency of gene expression, all factors contributing to their decrease should be identifi...

journal_title：Microbial cell factories

authors： Wons E,Koscielniak D,Szadkowska M,Sektas M

更新日期：2018-09-21 00:00:00

abstract：BACKGROUND:It is quite important to understand how the central metabolism is regulated under nitrogen (N)- limitation as well as carbon (C)- limitation. In particular, the effect of C/N ratio on the metabolism is of practical interest for the heterologous protein production, PHB production, etc. Although the carbon and...

journal_title：Microbial cell factories

authors： Kumar R,Shimizu K

更新日期：2010-01-27 00:00:00

abstract：:This article describes the use of biofilm reactors for the production of various chemicals by fermentation and wastewater treatment. Biofilm formation is a natural process where microbial cells attach to the support (adsorbent) or form flocs/aggregates (also called granules) without use of chemicals and form thick lay...

journal_title：Microbial cell factories

authors： Qureshi N,Annous BA,Ezeji TC,Karcher P,Maddox IS

更新日期：2005-08-25 00:00:00

abstract：BACKGROUND:Heterologous expression of biosynthetic gene clusters of natural microbial products has become an essential strategy for titer improvement and pathway engineering of various potentially-valuable natural products. A Streptomyces artificial chromosomal conjugation vector, pSBAC, was previously successfully app...

journal_title：Microbial cell factories

authors： Pyeon HR,Nah HJ,Kang SH,Choi SS,Kim ES

更新日期：2017-05-31 00:00:00

abstract：BACKGROUND:Spore-forming bacteria of the Bacillus genus are widely used probiotics known to exert their beneficial effects also through the stimulation of the host immune response. The oral delivery of B. toyonensis spores has been shown to improve the immune response to a parenterally administered viral antigen in mic...

journal_title：Microbial cell factories

authors： Santos FDS,Mazzoli A,Maia AR,Saggese A,Isticato R,Leite F,Iossa S,Ricca E,Baccigalupi L

更新日期：2020-02-19 00:00:00

abstract：BACKGROUND:Sesquiterpenes are a class of natural products with a diverse range of attractive industrial proprieties. Due to economic difficulties of sesquiterpene production via extraction from plants or chemical synthesis there is interest in developing alternative and cost efficient bioprocesses. The hydrocarbon α-sa...

journal_title：Microbial cell factories

authors： Scalcinati G,Partow S,Siewers V,Schalk M,Daviet L,Nielsen J

更新日期：2012-08-31 00:00:00

abstract：BACKGROUND:Streptomyces venezuelae ATCC 10712 produces antibiotics chloramphenicol (Cml) and jadomycin (Jad) in response to nutrient limitation and ethanol shock (ES), respectively. Biosynthesis of Cml and Jad was shown to be reciprocally regulated via the action of regulatory proteins JadR1 and JadR2 encoded by the ja...

journal_title：Microbial cell factories

authors： Sekurova ON,Zhang J,Kristiansen KA,Zotchev SB

更新日期：2016-05-20 00:00:00

abstract：BACKGROUND:Bioethanol produced by the yeast Saccharomyces cerevisiae is currently one of the most promising alternatives to conventional transport fuels. Lignocellulosic hemicelluloses obtained after hydrothermal pretreatment are important feedstock for bioethanol production. However, hemicellulosic materials cannot be...

journal_title：Microbial cell factories

authors： Hasunuma T,Hori Y,Sakamoto T,Ochiai M,Hatanaka H,Kondo A

更新日期：2014-10-12 00:00:00

abstract：BACKGROUND:Mucosal delivery of therapeutic proteins using genetically modified strains of lactic acid bacteria (gmLAB) is being investigated as a new therapeutic strategy. METHODS:We developed a strain of gmLAB, Lactococcus lactis NZ9000 (NZ-HO), which secretes the anti-inflammatory molecule recombinant mouse heme oxy...

journal_title：Microbial cell factories

authors： Shigemori S,Watanabe T,Kudoh K,Ihara M,Nigar S,Yamamoto Y,Suda Y,Sato T,Kitazawa H,Shimosato T

更新日期：2015-11-25 00:00:00

abstract：BACKGROUND:The six-carbon circular non-proteinogenic compound L-pipecolic acid is an important chiral drug intermediate with many applications in the pharmaceutical industry. In the present study, we developed a metabolically engineered strain of Escherichia coli for the overproduction of L-pipecolic acid from glucose....

journal_title：Microbial cell factories

authors： Ying H,Tao S,Wang J,Ma W,Chen K,Wang X,Ouyang P

更新日期：2017-03-27 00:00:00

abstract：BACKGROUND:Succinic acid is well established as bio-based platform chemical with production quantities expecting to increase exponentially within the next decade. Actinobacillus succinogenes is by far the most studied wild organism for producing succinic acid and is known for high yield and titre during production on v...

journal_title：Microbial cell factories

authors： Brink HG,Nicol W

更新日期：2014-08-19 00:00:00

abstract：BACKGROUND:Membrane proteins are important drug targets in many human diseases and gathering structural information regarding these proteins encourages the pharmaceutical industry to develop new molecules using structure-based drug design studies. Specifically, membrane-bound catechol-O-methyltransferase (MBCOMT) is an...

journal_title：Microbial cell factories

authors： Pedro AQ,Martins LM,Dias JM,Bonifácio MJ,Queiroz JA,Passarinha LA

更新日期：2015-08-07 00:00:00

abstract：:Amylase plays an important role in biotechnology industries, and Gram-positive bacterium Bacillus subtilis is a major host to produce heterogeneous α-amylases. However, the secretion stress limits the high yield of α-amylase in B. subtilis although huge efforts have been made to address this secretion bottleneck. In t...

journal_title：Microbial cell factories

authors： Yan S,Wu G

更新日期：2017-07-19 00:00:00

abstract：BACKGROUND:A cellular stress response is triggered upon induction of recombinant protein expression which feedback inhibits both growth as well as protein synthesis. In order to separate these two effects, it was decided to study "quiescent cultures" which continue to be metabolically active and express recombinant pro...

journal_title：Microbial cell factories

authors： Mahalik S,Sharma AK,Jain P,Mukherjee KJ

更新日期：2017-07-28 00:00:00

abstract：BACKGROUND:In recent years, it has been gradually realized that bacterial inclusion bodies (IBs) could be biologically active. In particular, several proteins including green fluorescent protein, β-galactosidase, β-lactamase, alkaline phosphatase, D-amino acid oxidase, polyphosphate kinase 3, maltodextrin phosphorylase...

journal_title：Microbial cell factories

authors： Wu W,Xing L,Zhou B,Lin Z

更新日期：2011-02-15 00:00:00

abstract：BACKGROUND:Enantiopure 2-hydroxy acids are key intermediates for the synthesis of pharmaceuticals and fine chemicals. We present an enantioselective cascade biocatalysis using recombinant microbial cells for deracemization of racemic 2-hydroxy acids that allows for efficient production of enantiopure 2-hydroxy acids. ...

journal_title：Microbial cell factories

authors： Xue YP,Zeng H,Jin XL,Liu ZQ,Zheng YG

更新日期：2016-09-22 00:00:00

abstract：BACKGROUND:Trypsin has many applications in food and pharmaceutical manufacturing. Although commercial trypsin is usually extracted from porcine pancreas, this source carries the risks of infectivity and immunogenicity. Microbial Streptomyces griseus trypsin (SGT) is a prime alternative because it possesses efficient h...

journal_title：Microbial cell factories

authors： Zhang Y,Liang Q,Zhang C,Zhang J,Du G,Kang Z

更新日期：2020-04-13 00:00:00

abstract：BACKGROUND:Production of heterologous proteins in the E. coli periplasm, or into the extracellular fluid has many advantages; therefore naturally occurring signal peptides are selected for proteins translocation. The aim of this study was the production in high yields of a recombinant pectin lyase that is efficiently s...

journal_title：Microbial cell factories

authors： Papi RM,Chaitidou SA,Trikka FA,Kyriakidis DA

更新日期：2005-12-14 00:00:00

abstract：BACKGROUND:Cellulosic biomass especially agricultural/wood residues can be utilized as feedstock to cost-effectively produce fuels, chemicals and bulk industrial enzymes, which demands xylose utilization from microbial cell factories. While previous works have made significant progress in improving microbial conversion...

journal_title：Microbial cell factories

authors： Li P,Sun H,Chen Z,Li Y,Zhu T

更新日期：2015-02-21 00:00:00

abstract：:Controlling harmful algae blooms (HABs) using microbial algicides is cheap, efficient and environmental-friendly. However, obtaining high yield of algicidal microbes to meet the need of field test is still a big challenge since qualitative and quantitative analysis of algicidal compounds is difficult. In this study, w...

journal_title：Microbial cell factories

authors： Cai G,Zheng W,Yang X,Zhang B,Zheng T

更新日期：2014-05-24 00:00:00

abstract：BACKGROUND:A key advantage of recombinant antibody technology is the ability to optimize and tailor reagents. Single domain antibodies (sdAbs), the recombinantly produced variable domains derived from camelid and shark heavy chain antibodies, provide advantages of stability and solubility and can be further engineered ...

journal_title：Microbial cell factories

authors： Liu JL,Shriver-Lake LC,Anderson GP,Zabetakis D,Goldman ER

更新日期：2017-12-12 00:00:00

abstract：BACKGROUND:(2S)-Pinocembrin is a chiral flavanone with versatile pharmacological and biological activities. Its health-promoting effects have spurred on research effects on the microbial production of (2S)-pinocembrin. However, an often-overlooked salient feature in the analysis of microbial (2S)-pinocembrin is its chi...

journal_title：Microbial cell factories

authors： Guo L,Chen X,Li LN,Tang W,Pan YT,Kong JQ

更新日期：2016-02-04 00:00:00

abstract：BACKGROUND:β-Ionone is a fragrant terpenoid that generates a pleasant floral scent and is used in diverse applications as a cosmetic and flavoring ingredient. A growing consumer desire for natural products has increased the market demand for natural β-ionone. To date, chemical extraction from plants remains the main ap...

journal_title：Microbial cell factories

authors： Czajka JJ,Nathenson JA,Benites VT,Baidoo EEK,Cheng Q,Wang Y,Tang YJ

更新日期：2018-09-01 00:00:00

abstract：BACKGROUND:Thymosin α1 (Tα1), a 28-amino acid Nα-acetylated peptide, has a powerful general immunostimulating activity. Although biosynthesis is an attractive means of large-scale manufacture, to date, Tα1 can only be chemosynthesized because of two obstacles to its biosynthesis: the difficulties in expressing small pe...

journal_title：Microbial cell factories

authors： Ren Y,Yao X,Dai H,Li S,Fang H,Chen H,Zhou C

更新日期：2011-04-22 00:00:00

abstract：BACKGROUND:Bifidobacterium spp. are representative probiotics that play an important role in the health of their hosts. Among various Bifidobacterium spp., B. bifidum BGN4 exhibits relatively high cell adhesion to colonic cells and has been reported to have various in vivo and in vitro bio functionalities (e.g., anti-a...

journal_title：Microbial cell factories

authors： Hong N,Ku S,Yuk K,Johnston TV,Ji GE,Park MS

更新日期：2021-01-19 00:00:00

abstract：BACKGROUND:The Bacillus subtilis spore has long been used to display antigens and enzymes. Spore display can be accomplished by a recombinant and a non-recombinant approach, with the latter proved more efficient than the recombinant one. We used the non-recombinant approach to independently adsorb two thermophilic enzy...

journal_title：Microbial cell factories

authors： Mattossovich R,Iacono R,Cangiano G,Cobucci-Ponzano B,Isticato R,Moracci M,Ricca E

更新日期：2017-11-28 00:00:00

abstract：BACKGROUND:Acetic acid is a byproduct of Saccharomyces cerevisiae alcoholic fermentation. Together with high concentrations of ethanol and other toxic metabolites, acetic acid may contribute to fermentation arrest and reduced ethanol productivity. This weak acid is also a present in lignocellulosic hydrolysates, a high...

journal_title：Microbial cell factories

authors： Mira NP,Palma M,Guerreiro JF,Sá-Correia I

更新日期：2010-10-25 00:00:00

abstract：:Innovative new genome engineering technologies for manipulating chromosomes have appeared in the last decade. One of these technologies, recombination mediated genetic engineering (recombineering) allows for precision DNA engineering of chromosomes and plasmids in Escherichia coli. Single-stranded DNA recombineering (...

journal_title：Microbial cell factories

authors： van Pijkeren JP,Britton RA

更新日期：2014-08-29 00:00:00