Silver ion bioreduction in nanoparticles using Artemisia annua L. extract: characterization and application as antibacterial agents.

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：: In this study manganese peroxidase (MnP) enzymes from selected white-rot fungi were isolated and compared for potential future recombinant production. White-rot fungi were cultivated in small-scale in liquid media and a simplified process was established for the purification of extracellular enzymes.Five lignin degra...

journal_title：AMB Express

authors： Järvinen J,Taskila S,Isomäki R,Ojamo H

更新日期：2012-11-29 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

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：: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：: In this study, we used the yeast carotenogenic producer Pichia pastoris Pp-EBIL strain, which has been metabolically engineered, by heterologously expressing β-carotene-pathway enzymes to produce β-carotene, as a vessel for recombinant astaxanthin expression. For this purpose, we designed new P. pastoris recombinant-...

journal_title：AMB Express

authors： Araya-Garay JM,Ageitos JM,Vallejo JA,Veiga-Crespo P,Sánchez-Pérez A,Villa TG

更新日期：2012-04-25 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：: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：:Biological technologies for recycling rare metals, which are essential for high-tech products, have attracted much attention because they could prove to be more environmentally friendly and energy-saving than other methods. We have developed biological recycling technologies by cell surface engineering for the selecti...

journal_title：AMB Express

authors： Ito R,Kuroda K,Hashimoto H,Ueda M

更新日期：2016-12-01 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：:In the present work, a remediation bioprocess based on the use of a native isolate of Chlorella vulgaris immobilized in an alginate matrix inside a polylactic acid (PLA) device is proposed. This microalga immobilized in alginate beads was previously shown to be useful for the reduction of several chemical and microbia...

journal_title：AMB Express

authors： Marconi PL,Trentini A,Zawoznik M,Nadra C,Mercadé JM,Sánchez Novoa JG,Orozco D,Groppa MD

更新日期：2020-08-15 00:00:00

abstract：:Candida albicans is an opportunistic pathogen that causes fatal diseases in immunocompromised hosts. Host resistance against C. albicans relies on ingestion of the pathogen by macrophages. Analysis of the escaping behavior of C. albicans from macrophages is required to understand the onset of systemic candidiasis. In ...

journal_title：AMB Express

authors： Kitahara N,Morisaka H,Aoki W,Takeda Y,Shibasaki S,Kuroda K,Ueda M

更新日期：2015-12-01 00:00:00

abstract：: Hydroquinone-1,2-dioxygenase, an enzyme involved in the degradation of alkylphenols in Sphingomonas sp. strain TTNP3 was purified to apparent homogeneity. The extradiol dioxygenase catalyzed the ring fission of hydroquinone to 4-hydroxymuconic semialdehyde and the degradation of chlorinated and several alkylated hydr...

journal_title：AMB Express

authors： Kolvenbach BA,Lenz M,Benndorf D,Rapp E,Fousek J,Vlcek C,Schäffer A,Gabriel FL,Kohler HP,Corvini PF

更新日期：2011-05-27 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：: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：: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：: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：: The nutrition-versatility of Burkholderia sp. strain USM (JCM 15050) has initiated the studies on the use of this bacterium for polyhydroxyalkanoate (PHA) production. To date, the Burkholderia sp. has been reported to synthesize 3-hydroxybutyrate, 3-hydroxyvalerate and 3-hydroxy-4-methylvalerate monomers. In this stu...

journal_title：AMB Express

authors： Lau NS,Sudesh K

更新日期：2012-08-09 00:00:00

abstract：:Mycolata form a group of Gram-positive bacteria with unique cell envelope structures that are known for their high tolerance against antibiotics and both aromatic and aliphatic hydrocarbons. An important part of the unique surface structure of the mycolata is the presence of long chain α-alkyl-β-hydroxy fatty acids, t...

journal_title：AMB Express

authors： de Carvalho CCCR,Fischer MA,Kirsten S,Würz B,Wick LY,Heipieper HJ

更新日期：2016-12-01 00:00:00

abstract：:Three sequential fermentative batches were carried out with cell recycle in four simultaneously operating bioreactors maintained at pH 6.5, 30°C, and 100 rpm. P. acidipropionici ATCC 4875 was able to produce propionic and succinic acid from sorbitol. The concentration of propionic acid decreased slightly from 39.5 ± 5...

journal_title：AMB Express

authors： Duarte JC,Valença GP,Moran PJ,Rodrigues JA

更新日期：2015-02-20 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：: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：:The utilization of inoculants containing Azospirillum is becoming more popular due to increasing reports of expressive gains in grain yields. However, incompatibility with pesticides used in seed treatments represents a main limitation for a successful inoculation. Therefore, in this study we searched for alternatives...

journal_title：AMB Express

authors： Fukami J,Nogueira MA,Araujo RS,Hungria M

更新日期：2016-03-01 00:00:00

abstract：:Bacillus amyloliquefaciens has been widely used as a probiotic in the field of biological control,and its antibacterial compounds plays an important role in the prevention and control of plant, livestock and poultry diseases. It has the advantages of green, safe and efficiency. This study aims to separate and purify a...

journal_title：AMB Express

authors： Wang Y,Zhao B,Liu Y,Mao L,Zhang X,Meng W,Liu K,Chu J

更新日期：2020-01-14 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：:Increasing evidences suggest that intestinal microbiota balance closely correlated with host's health status could affected by external environment. Integrated crayfish-rice cultivation model is a highly efficient artificial ecosystem widely practiced in subtropical China. Less information is available to estimate the...

journal_title：AMB Express

authors： Shui Y,Guan ZB,Liu GF,Fan LM

更新日期：2020-01-14 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：: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：: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：:Sponges are primitive metazoans that are known to harbour diverse and abundant microbes. All over the world attempts are being made to exploit these microbes for their biotechnological potential to produce, bioactive compounds and antimicrobial peptides. However, the majority of the studies are focussed on the marine ...

journal_title：AMB Express

authors： Gaikwad S,Shouche YS,Gade WN

更新日期：2016-12-01 00:00:00