Combining glucose and sodium acetate improves the growth of Neochloris oleoabundans under mixotrophic conditions.

abstract：:Poly-gamma-glutamic acid (PGA) is a promising bio-based polymer that shares many functions with poly (acrylic acid) and its derivatives. Thus, technologies for efficient production and molecular size control of PGA are required to expand the application of this useful biopolymer. In Bacillus strains, PGA is synthesize...

journal_title：AMB Express

authors： Sawada K,Araki H,Takimura Y,Masuda K,Kageyama Y,Ozaki K,Hagihara H

更新日期：2018-07-03 00:00:00

abstract：:With fossil fuel sources in limited supply, microalgae show tremendous promise as a carbon neutral source of biofuel. Current microalgae biofuel strategies typically rely on growing high-lipid producing laboratory strains of microalgae in open raceways or closed system photobioreactors. Unfortunately, these microalgae...

journal_title：AMB Express

authors： Eibl JK,Corcoran JD,Senhorinho GN,Zhang K,Hosseini NS,Marsden J,Laamanen CA,Scott JA,Ross GM

更新日期：2014-03-26 00:00:00

abstract：:Intestinal microorganisms have been shown to be important factors affecting the growth performance of pigs. Therefore, to investigate the effect of the intestinal microflora structure on the growth performance of pigs, samples from Duroc (n = 10), Landrace (n = 9) and Yorkshire (n = 21) pigs under the same diet and fe...

journal_title：AMB Express

authors： Li XJ,Wang M,Xue Y,Duan D,Li C,Han X,Wang K,Qiao R,Li XL

更新日期：2020-10-29 00:00:00

abstract：:Thermomonospora curvata is a thermophilic actinomycete phylogenetically related to Thermobifida fusca that produces extracellular hydrolases capable of degrading synthetic polyesters. Analysis of the genome of T. curvata DSM43183 revealed two genes coding for putative polyester hydrolases Tcur1278 and Tcur0390 sharing...

journal_title：AMB Express

authors： Wei R,Oeser T,Then J,Kühn N,Barth M,Schmidt J,Zimmermann W

更新日期：2014-06-03 00:00:00

abstract：:An exhaustive screening program was applied for scoring a promising L-asparaginase producing-isolate. The recovered isolate was identified biochemically and molecularly and its L-asparaginase productivity was optimized experimentally and by Response Surface Methodology. The produced enzyme was characterized experiment...

journal_title：AMB Express

authors： Abdelrazek NA,Elkhatib WF,Raafat MM,Aboulwafa MM

更新日期：2020-04-15 00:00:00

abstract：:The goal of the present study was to evaluate the effects of enzymes (cellulase combined with galactosidase) and their combination with Lactobacillus plantarum (LP) on bacterial diversity in alfalfa silages using high-throughput sequencing. Alfalfa forages were treated with or without cellulase + ɑ-galactosidase (CEGA...

journal_title：AMB Express

authors： Hu Z,Ma D,Niu H,Chang J,Yu J,Tong Q,Li S

更新日期：2021-01-06 00:00:00

abstract：: Two genes from Streptomyces albidoflavus, one exochitinase (905-bp) and an endochitinase (1100-bp) were functionally expressed in Escherichia coli in form of a fusion protein with a maltose binding protein (MBP). The goal was to produce and test proteins that inhibit both the coffee berry borer insect Hypothenemus ha...

journal_title：AMB Express

authors： Martínez CP,Echeverri C,Florez JC,Gaitan AL,Góngora CE

更新日期：2012-03-30 00:00:00

abstract：:Mathematical models have been used from growth kinetic simulation to gen regulatory networks prediction for B. thuringiensis culture. However, this culture is a time dependent dynamic process where cells physiology suffers several changes depending on the changes in the cell environment. Therefore, through its culture...

journal_title：AMB Express

authors： Navarro-Mtz AK,Pérez-Guevara F

更新日期：2014-12-01 00:00:00

abstract：:Ginsenoside compound K has been used as a key nutritional and cosmetic component because of its anti-fatigue and skin anti-aging effects. β-Glycosidase from Sulfolobus solfataricus (SS-BGL) is known as the most efficient enzyme for compound K production. The hydrolytic pathway from ginsenoside Rb1 to compound K via Rd...

journal_title：AMB Express

authors： Shin KC,Choi HY,Seo MJ,Oh DK

更新日期：2017-10-04 00:00:00

abstract：:Vaccination is believed to be the most effective method for the prevention of infectious diseases. Thus it is imperative to develop cost effective and scalable process for the production of vaccines so as to make them affordable for mass use. In this study, performance of a novel disposable iCELLis fixed bed bioreacto...

journal_title：AMB Express

authors： Rajendran R,Lingala R,Vuppu SK,Bandi BO,Manickam E,Macherla SR,Dubois S,Havelange N,Maithal K

更新日期：2014-04-25 00:00:00

abstract：:In this paper, we demonstrate that the antimicrobial activity of L. plantarum PBS067 strain against antagonist microorganisms was mediated by the production of a bacteriocin-like compound secreted at the stationary phase of the growth. The novel bacteriocin-like compound, designed plantaricin P1053, was identified by ...

journal_title：AMB Express

authors： De Giani A,Bovio F,Forcella M,Fusi P,Sello G,Di Gennaro P

更新日期：2019-06-17 00:00:00

abstract：:Plant extracts serve as reducing and coating agents and are, therefore, commonly employed for the generation of silver (Ag) nanoparticles (NPs). Plant extract mediated synthesis of Ag NPs is a green, environmentally friendly and cost-effective technique which offers a new and potential alternative to chemically synthe...

journal_title：AMB Express

authors： Hambardzumyan S,Sahakyan N,Petrosyan M,Nasim MJ,Jacob C,Trchounian A

更新日期：2020-09-05 00:00:00

abstract：:Water-borne pathogen contamination in water resources and related diseases are a major water quality concern throughout the world. Increasing interest in controlling water-borne pathogens in water resources evidenced by a large number of recent publications clearly attests to the need for studies that synthesize knowl...

journal_title：AMB Express

authors： Pandey PK,Kass PH,Soupir ML,Biswas S,Singh VP

更新日期：2014-06-28 00:00:00

abstract：:This study researched the winemaking performance of new biotechnology involving the cooperation of Lachancea and Schizosaccharomyces genera in the production of wine. In all fermentations where Lachancea thermotolerans was involved, higher lactic acid concentrations appeared, while all fermentations where Schizosaccha...

journal_title：AMB Express

authors： Benito Á,Calderón F,Benito S

更新日期：2019-02-02 00:00:00

abstract：:Nigella A, also named Sieboldianoside A, has been extracted from many kinds of Traditional Chinese Medicine (TCM), such as Nigella glandulifera, Stauntonia chinensis DC., and the leaves of Acanthopanax sieboldianus. Nigella A exhibited potential analgesic, anti-inflammatory, anti-tumor, and antioxidant activities. How...

journal_title：AMB Express

authors： Hu X,Xu N,Yang X,Hu X,Zheng Y,Zhang Q

更新日期：2020-10-04 00:00:00

abstract：:Rapidly developing industry raises concerns about the environmental impacts of nanoparticles, but the effects of inorganic nanoparticles on bacterial community in wastewater treatment remain unclear. The present research assessed the impact of cerium oxide nanoparticles (nCeO) on the microbiome of activated sludge sys...

journal_title：AMB Express

authors： Kamika I,Tekere M

更新日期：2017-12-01 00:00:00

abstract：:Cell suspension culture using mycelia as whole cell biocatalyst for production of orange Monascus pigments has been carried out successfully in a nonionic surfactant micelle aqueous solution. Thus, selection of mycelia as whole cell biocatalyst and the corresponding enzymatic kinetics for production of orange Monascus...

journal_title：AMB Express

authors： Lu F,Huang Y,Zhang X,Wang Z

更新日期：2017-12-01 00:00:00

abstract：:Docosahexaenoic acid (DHA) enriched in brain can yield many important degradation products after the attack of hydroxyl radicals, which is known to serve as a nutraceutical and neuroprotective effects. Oxidative stress is a commonly observed feature of Alzheimer's disease (AD). Therefore, uniformly radiolabeled DHA pl...

journal_title：AMB Express

authors： Song P,Kuryatov A,Axelsen PH

更新日期：2020-03-11 00:00:00

abstract：:Phasins are amphiphilic proteins involved in the regulation of the number and size of polyhydroxybutyrate (PHB) granules. The plant growth promoting bacterium Azospirillum brasilense Sp7 accumulates high quantities of bioplastic PHB as carbon and energy source. By analyzing the genome, we identified six genes that cod...

journal_title：AMB Express

authors： Martínez-Martínez MLA,González-Pedrajo B,Dreyfus G,Soto-Urzúa L,Martínez-Morales LJ

更新日期：2019-09-25 00:00:00

abstract：:The 70-kD heat shock proteins (Hsp70s) have been proved to be important for stress tolerance and protein folding and unfolding in almost all organisms. However, the functions of Hsp70s in mushroom are not well understood. In the present study, a hsp70 gene from Hypsizygus marmoreus, hmhsp70, was cloned and transferred...

journal_title：AMB Express

authors： Xu L,Gao J,Guo L,Yu H

更新日期：2020-01-18 00:00:00

abstract：:The production of recombinant biopharmaceutical proteins is a multi-billion dollar market. Protein recovery represents a major part of the production costs. Pichia pastoris is one of the microbial systems most used for the production of heterologous proteins. The use of a cold-induced promoter to express lytic enzymes...

journal_title：AMB Express

authors： Bartolo-Aguilar Y,Dendooven L,Chávez-Cabrera C,Flores-Cotera LB,Hidalgo-Lara ME,Villa-Tanaca L,Marsch R

更新日期：2017-12-01 00:00:00

abstract：:Clean coal technologies (e.g. coal biosolubilization) are of essential value, especially in Europe, where coal is the national wealth and other energy sources like crude oil are not available. Fusarium oxysporum LOCK 1134, the strain isolated from brown coal, efficiently biosolubilizes lignite. The obtained liquefied ...

journal_title：AMB Express

authors： Kwiatos N,Jędrzejczak-Krzepkowska M,Strzelecki B,Bielecki S

更新日期：2018-08-22 00:00:00

abstract：:Crude enzyme from Geotrichum candidum S12 exhibited high activity towards hexanol at pH 4.0, distinguishing it from currently known enzymes. To identify the dominant enzyme contributing to this activity, the crude enzyme extract was separated into different fractions by ammonium sulfate precipitation, MonoQ anion-exch...

journal_title：AMB Express

authors： Zhu J,Lu K,Xu X,Wang X,Shi J

更新日期：2017-12-01 00:00:00

abstract：:Wheat bran is an effective raw material for preparation xylooligosaccharides; however, current research mainly focuses on alkali extraction and enzymatic hydrolysis methods. Since ester bonds are destroyed during the alkali extraction process, xylanase and arabinofuranosidase are mainly used to hydrolyze xylooligosacc...

journal_title：AMB Express

authors： Zhang Y,Yang H,Yu X,Kong H,Chen J,Luo H,Bai Y,Yao B

更新日期：2019-01-29 00:00:00

abstract：:The damages observed in Tunisian citrus orchards have prompted studies on the Pseudomonas spp. responsible for blast and black pit. Prospective orchards between 2015 and 2017 showed that the diseases rapidly spread geographically and to new cultivars. A screening of Pseudomonas spp. isolated from symptomatic trees rev...

journal_title：AMB Express

authors： Oueslati M,Mulet M,Zouaoui M,Chandeysson C,Lalucat J,Hajlaoui MR,Berge O,García-Valdés E,Sadfi-Zouaoui N

更新日期：2020-11-01 00:00:00

abstract：:During the last few years, the global transcription machinery engineering (gTME) technique has gained more attention as an effective approach for the construction of novel mutants. Genetic strategies (molecular biology methods) were utilized to get mutational for both genes (SPT15 and TAF23) basically existed in the S...

journal_title：AMB Express

authors： El-Rotail AAMM,Zhang L,Li Y,Liu SP,Shi GY

更新日期：2017-12-01 00:00:00

abstract：:Disentangling the interactions between cyanobacteria and associated bacterial community is important for understanding the mechanisms that mediate the formation of cyanobacterial blooms in freshwater ecosystems. Despite the fact that a metagenomic approach enables researchers to profile the structure of microbial comm...

journal_title：AMB Express

authors： Ren M,Zhang G,Ye Z,Qiao Z,Xie M,Lin Y,Li T,Zhao J

更新日期：2017-11-02 00:00:00

abstract：:The discovery and creation of biocatalysts for plant biomass conversion are essential for industrial demand and scientific research of the plant cell wall. α-1,2 and α-1,3-L-arabinofuranosidases are debranching enzymes that catalyzing hydrolytic release of α-L-arabinofuranosyl residues in plant cell wall. Gene databas...

journal_title：AMB Express

authors： Hu Y,Yan X,Zhang H,Liu J,Luo F,Cui Y,Wang W,Zhou Y

更新日期：2018-04-02 00:00:00

abstract：: In winemaking, nutrient supplementation is a common practice for optimising fermentation and producing quality wine. Nutritionally suboptimal grape juices are often enriched with nutrients in order to manipulate the production of yeast aroma compounds. Nutrients are also added to active dry yeast (ADY) rehydration me...

journal_title：AMB Express

authors： Winter G,Henschke PA,Higgins VJ,Ugliano M,Curtin CD

更新日期：2011-11-02 00:00:00

abstract：:With the aim to develop biocatalysts for enhanced hydrolysis of (hemi)cellulose into monosaccharides, random diversity by directed evolution was introduced in the gene coding for the endo-β-1,4-glucanase from Streptomyces sp. G12 which had been recombinantly expressed in Escherichia coli and named rCelStrep. The main ...

journal_title：AMB Express

authors： Cecchini DA,Pepe O,Pennacchio A,Fagnano M,Faraco V

更新日期：2018-05-05 00:00:00