Construction of a simple biocatalyst using psychrophilic bacterial cells and its application for efficient 3-hydroxypropionaldehyde production from glycerol.

abstract：:Every year about 20% of the globally produced meat gets lost due to microbial spoilage. Nevertheless, the demand for processed meat is constantly rising and producers are searching for novel strategies to reduce microbial contaminations in their products. In the present study, we evaluated the applicability of alkylpy...

journal_title：AMB Express

authors： Schöck M,Liebminger S,Berg G,Cernava T

更新日期：2018-04-03 00:00:00

abstract：:With the developments in taxonomy, the classically used highly conserved 16S rRNA molecular marker has shown some disadvantages among closely related species. For further taxonomic studies of the prokaryotes, specific PCR primers were designed from two conserved regions in the amino acid sequences of the 70-kDa heat s...

journal_title：AMB Express

authors： Hu Y,Sun F,Liu W

更新日期：2018-09-10 00:00:00

abstract：:The potential of Lactobacillus johnsonii NCC 533 to metabolize chlorogenic acids from green coffee extract was investigated. Two enzymes, an esterase and a hydroxycinnamate decarboxylase (HCD), were involved in this biotransformation. The complete hydrolysis of 5-caffeoylquinic acid (5-CQA) into caffeic acid (CA) by L...

journal_title：AMB Express

authors： Bel-Rhlid R,Thapa D,Kraehenbuehl K,Hansen CE,Fischer L

更新日期：2013-05-21 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：:Bacillus thuringiensis is a Gram-positive soil bacterium that is known to be a bacterial biopesticide that produces insecticidal proteins called crystal proteins (Cry). In the insecticidal process, chitinases are suggested to perforate the peritrophic membrane barrier to facilitate the invasion of the Cry proteins int...

journal_title：AMB Express

authors： Honda S,Kunii T,Nohara K,Wakita S,Sugahara Y,Kawakita M,Oyama F,Sakaguchi M

更新日期：2017-12-01 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

abstract：:MicroRNAs (miRs) have shown tremendous potential to act as therapeutic targets for cancer treatment. In this context, the present study was designed to investigate the potential of miR-143 in the treatment of breast cancer. Results showed that miR-143 to be significantly (P < 0.05) downregulated in breast cancer tissu...

journal_title：AMB Express

authors： Du Y,Zhang J,Meng Y,Huang M,Yan W,Wu Z

更新日期：2020-07-31 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：:Methylotrophic yeasts such as Komagataella phaffii (syn. Pichia pastoris, Pp), Hansenula polymorpha (Hp), Candida boidinii (Cb) and Pichia methanolica (Pm) are widely used protein production platforms. Typically, strong, tightly regulated promoters of genes coding for their methanol utilization (MUT) pathways are used...

journal_title：AMB Express

authors： Vogl T,Fischer JE,Hyden P,Wasmayer R,Sturmberger L,Glieder A

更新日期：2020-02-25 00:00:00

abstract：:Lactobacillus panis strain PM1 is an obligatory heterofermentative and aerotolerant microorganism that also produces 1,3-propanediol from glycerol. This study investigated the metabolic responses of L. panis PM1 to oxidative stress under aerobic conditions. Growth under aerobic culture triggered an early entrance of L...

journal_title：AMB Express

authors： Kang TS,Korber DR,Tanaka T

更新日期：2013-01-31 00:00:00

abstract：:The biological synthesis of metal nanoparticles using plant extracts with defined size and morphology is a simple, nontoxic and environmentally friendly method. The present study focused on the synthesis of silver nanoparticles (Ag NPs) by Artemisia annua L. extract as reducing and stabilising agent. The Ag NPs functi...

journal_title：AMB Express

authors： Aghajanyan A,Gabrielyan L,Schubert R,Trchounian A

更新日期：2020-04-07 00:00:00

abstract：:Cellulose degrading enzymes usually have a two-domain structure consisting of a catalytic domain and a non-catalytic carbohydrate-binding module. Although it is well known the importance of those modules in cell wall degrading process, their function is not yet fully understood. Here, we analyze the cellulose-hydrolys...

journal_title：AMB Express

authors： Mello BL,Polikarpov I

更新日期：2014-04-25 00:00:00

abstract：:Despite the threat of Fusarium dieback posed due to ambrosia fungi cultured by ambrosia beetles such as Euwallacea spp., the wood-degradation mechanisms utilized by ambrosia fungi are not fully understood. In this study, we analyzed the 16S rRNA and 18S rRNA genes of the microbial community from the Ficus tree tunnel ...

journal_title：AMB Express

authors： Sakai K,Yamaguchi A,Tsutsumi S,Kawai Y,Tsuzuki S,Suzuki H,Jindou S,Suzuki Y,Kajimura H,Kato M,Shimizu M

更新日期：2020-05-24 00:00:00

abstract：:Pectin is a structural heteropolysaccharide of the primary cell walls of plants and as such is a significant fraction of agricultural waste residues that is currently insufficiently used. Its main component, D-galacturonic acid, is an attractive substrate for bioconversion. The complete metabolic pathway is present in...

journal_title：AMB Express

authors： Sloothaak J,Schilders M,Schaap PJ,de Graaff LH

更新日期：2014-08-23 00:00:00

abstract：:Spinal cord injury (SCI) is involved with abnormal expression of miRNAs (miRs) which are responsible for some IIry injury responses which include apoptosis, inflammation and oxidative stress. Mechanisms involving miRs induced apoptosis still needs to be investigated. In the present work we developed a rat model of SCI...

journal_title：AMB Express

authors： An Y,Li J,Yuan Q,Fan M

更新日期：2020-06-15 00:00:00

abstract：:The emergence of antibiotic resistance has necessitated new therapeutic approaches to combat recalcitrant bacterial infections. Persister cells, often found in biofilms, are metabolically dormant, and thus, are highly tolerant to all traditional antibiotics and represent a major drug resistance mechanism. In the prese...

journal_title：AMB Express

authors： Lee JH,Kim YG,Gwon G,Wood TK,Lee J

更新日期：2016-12-01 00:00:00

abstract：:Poly-3-hydroxybutyrate (PHB), the most abundant type of polyhydroxyalkanoates (PHA) is synthesized inside a variety of microorganisms as a primary candidate for industrial PHB production. Lipophilic dyes such as Nile red and BODIPY have been used to quantify intracellular PHB, but their uses have often been limited in...

journal_title：AMB Express

authors： Choi JE,Na HY,Yang TH,Rhee SK,Song JK

更新日期：2015-12-01 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：: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：:Bacterial contamination is one of the major challenges faced by yeast fermentation industries as the contaminating microorganisms produce lactic acid and acetic acid, which reduces the viability of yeast, and hence fermentation yields. The primary bacterial contaminants of yeast fermentations are lactic acid bacteria ...

journal_title：AMB Express

authors： Haris S,Fang C,Bastidas-Oyanedel JR,Prather KJ,Schmidt JE,Thomsen MH

更新日期：2018-08-06 00:00:00

abstract：:Enhanced bioremediation is a favorable approach for petroleum pollutant cleanup, which depends on the growth of oil-eating microorganisms. In this study, we show that, by using the modified T-RFLP (mT-RFLP) methodology, one of the four major microbial populations derived from oil sludge has failed to propagate in MS m...

journal_title：AMB Express

authors： Liang J,Cheng T,Huang Y,Liu J

更新日期：2018-05-28 00:00:00

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：:The tissues of marine invertebrates are colonized by species-rich microbial communities. The dysbiosis of host's microbiota is tightly associated with the invertebrate diseases. Yesso scallop (Patinopecten yessoensis), one of the most important maricultured scallops in northern China, has recently suffered massive sum...

journal_title：AMB Express

authors： Yu Z,Liu C,Fu Q,Lu G,Han S,Wang L,Song L

更新日期：2019-09-14 00:00:00

abstract：:Young barley leaf extract (YBL) contains beneficial substances such as fructans, minerals, and vitamins. The effects of YBL administration on the human colonic microbiota and its production of metabolites were evaluated using an in vitro model culture system. Fermentations were started by inoculating fecal samples fro...

journal_title：AMB Express

authors： Sasaki D,Sasaki K,Kadowaki Y,Aotsuka Y,Kondo A

更新日期：2019-11-13 00:00:00

abstract：: Effective utilization of photosynthetic microorganisms as potential biocatalysts is favorable for the production of useful biomaterials and the reduction of atmospheric CO2. For example, biocatalytic transformations are used in the synthesis of optically active alcohols. We previously found that ketone reduction in c...

journal_title：AMB Express

authors： Yamanaka R,Nakamura K,Murakami A

更新日期：2011-09-01 00:00:00

abstract：:Lactobacilli, as the largest group of lactic acid bacteria, produce large amounts of antimicrobial metabolites such as organic acids, fatty acids, ammonia, hydrogen peroxide, diacetyl and bacteriocin, which inhibit the growth of pathogenic bacteria and increase shelf life of food. The aim of this study was to identify...

journal_title：AMB Express

authors： Azizi F,Habibi Najafi MB,Edalatian Dovom MR

更新日期：2017-09-18 00:00:00

abstract：:In recent years, many efforts have been directed to explore the methods to reduce the production costs of industrial lipase by improving the yield and the use of low-cost agricultural wastes. Coconut dregs, which is a lignocellulosic by-product from coconut oil and milk processing plants, is rich in cellulose (36%) an...

journal_title：AMB Express

authors： Mohd Zin NB,Mohamad Yusof B,Oslan SN,Wasoh H,Tan JS,Ariff AB,Halim M

更新日期：2017-12-01 00:00:00

abstract：:The basidiospores of most Agaricomycetes are ballistospores. They are propelled off from their basidia at maturity when Buller's drop develops at high humidity at the hilar spore appendix and fuses with a liquid film formed on the adaxial side of the spore. Spores are catapulted into the free air space between hymenia...

journal_title：AMB Express

authors： Lakkireddy K,Kües U

更新日期：2017-12-01 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：:Aldaric acids represent biobased 'top value-added chemicals' that have the potential to substitute petroleum-derived chemicals. Until today they are mostly produced from corresponding aldoses using strong chemical oxidizing agents. An environmentally friendly and more selective process could be achieved by using natur...

journal_title：AMB Express

authors： Roth T,Beer B,Pick A,Sieber V

更新日期：2017-12-01 00:00:00