abstract：:Here, we report a novel protein elicitor from Bacillus subtilis BU412 which could cause hypersensitive response (HR) and systemic acquired resistance (SAR) in tobacco. The purification was executed by ion-exchange and size exclusion chromatography. The target band on SDS-PAGE was analyzed by mass spectrometry, and the...

journal_title：AMB Express

authors： Shen Y,Li J,Xiang J,Wang J,Yin K,Liu Q

更新日期：2019-07-27 00:00:00

abstract：:A genetic transformation system was developed for the selective white rot basidiomycete Ceriporiopsis subvermispora using a modified protocol with polyethylene glycol and CaCl2 treatment of the protoplasts and plasmids harboring recombinant hygromycin phosphotransferase (hph) driven by a homologous promoter. During re...

journal_title：AMB Express

authors： Honda Y,Tanigawa E,Tsukihara T,Nguyen DX,Kawabe H,Sakatoku N,Watari J,Sato H,Yano S,Tachiki T,Irie T,Watanabe T,Watanabe T

更新日期：2019-06-24 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：:Calebin-A is a curcuminoid compound reported to be present in Curcuma longa rhizome. The current study was aimed to isolate and characterize calebin-A from Curcuma caesia rhizome and its production through biotransformation approach using endophytic fungus. C. caesia rhizomes of different ages were subjected to analys...

journal_title：AMB Express

authors： Majeed A,Majeed M,Thajuddin N,Arumugam S,Ali F,Beede K,Adams SJ,Gnanamani M

更新日期：2019-05-29 00:00:00

abstract：:Lactobacillus brevis CD0817, a strain isolated from a healthy adult gut, was currently the most efficient lactic acid bacterial cell factory for gamma-aminobutyric acid. In this study, the complete genome sequence of CD0817 was determined and compared with some related L. brevis genomes. The CD0817 genome consists of ...

journal_title：AMB Express

authors： Gao D,Chang K,Ding G,Wu H,Chen Y,Jia M,Liu X,Wang S,Jin Y,Pan H,Li H

更新日期：2019-05-24 00:00:00

abstract：:Gene therapy and viral vaccine are becoming attractive therapeutic options for the treatment of different malignant diseases. Viral vector productions are often using static culture vessels and small volume stainless steel bioreactors (SSB). However, the yield of each vessel can be relatively low and multiple vessels ...

journal_title：AMB Express

authors： Yang J,Guertin P,Jia G,Lv Z,Yang H,Ju D

更新日期：2019-05-24 00:00:00

abstract：:The Editor-in-Chief has retracted this article (Wang et al. 2018) because the authors do not have ownership of the data they report. An investigation by the Commonwealth Scientific and Industrial Research Organisation (CSIRO) has concluded that the data reported in this article are the sole property of the CSIRO. Ming...

journal_title：AMB Express

authors： Wang D,Liu Y,Lv D,Hu X,Zhong Q,Zhao Y,Wu M

更新日期：2019-04-19 00:00:00

abstract：:Origanum vulgare L. (Lamiaceae) is a widespread flavoring culinary and medicinal herb. The present study aimed at investigating the antimicrobial activity of Origanum vulgare (OV) essential oil (EO) through illustrating its biostatic, biocidal and the dynamics of the biocidal activity against 11 different microorganis...

journal_title：AMB Express

authors： Fikry S,Khalil N,Salama O

更新日期：2019-03-26 00:00:00

abstract：:This study was demonstrated with a coculture fermentation system using sugar beet pulp (SBP) as a carbon source combining the cellulose-degrading bacterium Clostridium cellulovorans with microbial flora of methane production (MFMP) for the direct conversion of cellulosic biomass to methane (CH4). The MFMP was taken fr...

journal_title：AMB Express

authors： Tomita H,Okazaki F,Tamaru Y

更新日期：2019-02-18 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：: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：:Extracellular enzymes play an important role in the growth and development of edible fungi. Extracellular enzyme activities have also become an important object of measurement. In this study, Agaricus brunnescens Peck, Coprinus comatus, and Pleurotus ostreatus were compared in terms of their enzyme production in liqui...

journal_title：AMB Express

authors： Huang L,Sun N,Ban L,Wang Y,Yang H

更新日期：2019-01-07 00:00:00

abstract：:Although high levels of staphylococcal phenol-soluble modulins (PSMs) in clinical methicillin-resistant Staphylococcus aureus (MRSA) has been shown to correlate with bacterial virulence, the PSMs expression in foodborne Staphylococcus aureus (S. aureus), as well as its association with staphylococcal food poisoning (S...

journal_title：AMB Express

authors： Wu X,Yang M,Fang X,Zhen S,Zhang J,Yang X,Qiao L,Yang Y,Zhang C

更新日期：2018-11-22 00:00:00

abstract：:The effects of inlet VOCs (Volatile Organic Compounds) shifts on microbial community structure in a biofiltration system were investigated. A lab-scale biofilter was set up to treat eight VOCs sequentially. Short declines in removal efficiency appeared after VOCs shifts and then later recovered. The number of OTUs in ...

journal_title：AMB Express

authors： Lu L,Wang G,Yeung M,Xi J,Hu HY

更新日期：2018-10-03 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 discovery of aerobic and anammox bacteria capable of generating methane in bio-filters in freshwater aquaculture systems is generating interest in studies to understand the activity, diversity, distribution and roles of these environmental bacteria. In this study, we used microbial enrichment of bio-filters to ass...

journal_title：AMB Express

authors： Kamira B,Shi LL,Fan LM,Zhang C,Zheng Y,Song C,Meng SL,Hu GD,Bing XW,Chen ZJ,Xu P

更新日期：2018-08-28 00:00:00

abstract：:Fusicocca-2,10(14)-diene (FCdiene) is a diterpene which is interesting as a precursor of the anti-cancer drug fusicoccin A and therefore for pharmaceutical applications. Production of FCdiene using a genetically modified Saccharomyces cerevisiae has been previously demonstrated with batch cultivations with a product c...

journal_title：AMB Express

authors： Halka LM,Nowacki C,Kleinschmidt A,Koenen K,Wichmann R

更新日期：2018-08-22 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：: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：:Wolves (Canis lupus) and their domesticated and close relatives, dogs (Canis lupus familiaris), have great differences in their diets and living environments. To the best of our knowledge, the fundamental question of how the abundance and function of the gut microbiota of domestic dogs evolved to adapt to the changes ...

journal_title：AMB Express

authors： Lyu T,Liu G,Zhang H,Wang L,Zhou S,Dou H,Pang B,Sha W,Zhang H

更新日期：2018-08-02 00:00:00

abstract：:The study was carried out to investigate the effect of dietary selenium (Se) and vitamin E (VE) supplementation on mRNA level of heat shock proteins, selenoproteins, and antioxidant enzyme activities in the breast meat of broilers under summer heat stress conditions. A total of 200 male broilers (Ross 308) of 1 day ag...

journal_title：AMB Express

authors： Kumbhar S,Khan AZ,Parveen F,Nizamani ZA,Siyal FA,El-Hack MEA,Gan F,Liu Y,Hamid M,Nido SA,Huang K

更新日期：2018-07-10 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：:Denitrifying anaerobic methane oxidation (damo) bioprocesses can remove nitrate using methane as the electron donor, which gains great concern due to the current stringent discharge standard of nitrogen in wastewater treatment plants. To obtain an engineering acceptable nitrogen removal rate (NRR) and demonstrate the ...

journal_title：AMB Express

authors： Li W,Lu P,Chai F,Zhang L,Han X,Zhang D

更新日期：2018-06-30 00:00:00

abstract：:The strain Y1, with a notably high production of neutral protease, was isolated from naturally fermented broad beans and subsequently identified as Aspergillus oryzae, through the analysis of its morphology characteristics and 18S rDNA sequence. Naturally fermented broad beans are the main raw material in Sichuan broa...

journal_title：AMB Express

authors： Ao XL,Yu X,Wu DT,Li C,Zhang T,Liu SL,Chen SJ,He L,Zhou K,Zou LK

更新日期：2018-06-12 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：: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：: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：:Helical alignment of the α-helical linker of the LOV (light-oxygen-voltage) domain of YtvA from Bacillus subtilis with the α-helical linker of the histidine-protein kinase domain of the Sln1 kinase of the phospho-relay system for osmoregulation of Saccharomyces cerevisiae has been used to construct a light-modulatable...

journal_title：AMB Express

authors： Bury A,Hellingwerf KJ

更新日期：2018-04-02 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：:Sweet potato vine (SPV) is an abundant agricultural waste, which is easy to obtain at low cost and has the potential to produce clean energy via anaerobic digestion (AD). The main objectives of this study were to reveal methane production and process stability of SPV and the mixtures with animal manure under various t...

journal_title：AMB Express

authors： Zhang E,Li J,Zhang K,Wang F,Yang H,Zhi S,Liu G

更新日期：2018-03-22 00:00:00

abstract：:Aglycon protopanaxatriol (APPT) has valuable pharmacological effects such as anti-inflammatory and anti-stress activities. However, the complete conversion of all typical glycosylated protopanaxatriol ginsenosides to APPT has not been achieved to date. β-Glycosidase from the hyperthermophilic bacterium Dictyoglomus tu...

journal_title：AMB Express

authors： Yang EJ,Kim TH,Shin KC,Oh DK

更新日期：2018-01-24 00:00:00

abstract：:Chlorothalonil, a non-systemic and broad-spectrum fungicide, is widely used to control the pathogens of agricultural plants. Although microbial degradation of chlorothalonil is known, we know little about the colonization and degradation capacity of these microbes in the natural and semi-natural soil environments. The...

journal_title：AMB Express

authors： Zhang Q,Saleem M,Wang C

更新日期：2017-12-23 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：:High-performance liquid chromatography-mass spectrometry (LC-MS) was used for comprehensive metabolomic fingerprinting of vanilla fruits prepared from the curing process. In this study, the metabolic changes of vanilla pods and vanilla beans were characterized using MS-based metabolomics to elucidate the biosynthesis ...

journal_title：AMB Express

authors： Gu F,Chen Y,Hong Y,Fang Y,Tan L

更新日期：2017-12-01 00:00:00

abstract：:Other than the needs for infection control to investigate the survival and inactivation of airborne bacterial pathogens, there has been a growing interest in exploring bacterial communities in the air and the effect of environmental variables on them. However, the innate biological mechanism influencing the bacterial ...

journal_title：AMB Express

authors： Ng TW,Chan WL,Lai KM

更新日期：2017-12-01 00:00:00

abstract：:The effect of varying concentrations of the nitrogen source on the growth kinetics, lipid accumulation, lipid and DHA productivity, and fatty acid composition of C. cohnii was elucidated. Growth of C. cohnii was in three distinct growth stages: cell growth, lipid accumulation and a final lipid turnover stage. Most of ...

journal_title：AMB Express

authors： Safdar W,Shamoon M,Zan X,Haider J,Sharif HR,Shoaib M,Song Y

更新日期：2017-12-01 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：: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：: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：: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