Single fluorescent protein-based Ca2+ sensors with increased dynamic range.

abstract：BACKGROUND:The identification of known mutations in a cell population is important for clinical applications and basic cancer research. In this work an immobilized form of the polymerase chain reaction, referred to as polony technology, was used to detect mutations as well as gene deletions, resulting in loss of hetero...

journal_title：BMC biotechnology

authors： Butz J,Wickstrom E,Edwards J

更新日期：2003-07-23 00:00:00

abstract：BACKGROUND:von Willebrand factor (VWF) is a key load bearing domain for mamalian cell adhesion by binding various macromolecular ligands in extracellular matrix such as, collagens, elastin, and glycosaminoglycans. Interestingly, vWF like domains are also commonly found in load bearing systems of marine organisms such a...

journal_title：BMC biotechnology

authors： Yoo HY,Song YH,Foo M,Seo E,Hwang DS,Seo JH

更新日期：2016-02-16 00:00:00

abstract：BACKGROUND:The use of highly reproducible and spatiallyhomogeneous thin film matrices permits automated microscopy and quantitative determination of the response of hundreds of cells in a population. Using thin films of extracellular matrix proteins, we have quantified, on a cell-by-cell basis, phenotypic parameters of...

journal_title：BMC biotechnology

authors： Langenbach KJ,Elliott JT,Tona A,McDaniel D,Plant AL

更新日期：2006-03-06 00:00:00

abstract：BACKGROUND:In the previous study, the cellulolytic Escherichia coli ZH-4 isolated from bovine rumen was found to show extracellular cellulase activity and could degrade cellulose in the culture. The goal of this work was to identify and characterize the secreted cellulase of E. coli ZH-4. It will be helpful to re-under...

journal_title：BMC biotechnology

authors： Pang J,Wang J,Liu Z,Zhang Q,Qi Q

更新日期：2019-08-27 00:00:00

abstract：BACKGROUND:Circular forms of viral genomic DNA are generated during infection of cells with retroviruses like HIV-1. Such circles are unable to replicate and are eventually lost as a result of cell division, lending support to the prevalent notion that episomal retroviral DNA forms are dead-end products of reverse tran...

journal_title：BMC biotechnology

authors： Moldt B,Staunstrup NH,Jakobsen M,Yáñez-Muñoz RJ,Mikkelsen JG

更新日期：2008-08-09 00:00:00

abstract：BACKGROUND:Multi-copy gene integration into microbial genomes is a conventional tool for obtaining improved gene expression. For Penicillium chrysogenum, the fungal producer of the beta-lactam antibiotic penicillin, many production strains carry multiple copies of the penicillin biosynthesis gene cluster. This discover...

journal_title：BMC biotechnology

authors： Ziemons S,Koutsantas K,Becker K,Dahlmann T,Kück U

更新日期：2017-02-16 00:00:00

abstract：BACKGROUND:Nanoparticles appear to be promising devices for application in the agriculture and food industries, but information regarding the response of plants to contact with nano-devices is scarce. Toxic effects may be imposed depending on the type and concentration of nanoparticle as well as time of exposure. A num...

journal_title：BMC biotechnology

authors： Santos AR,Miguel AS,Macovei A,Maycock C,Balestrazzi A,Oliva A,Fevereiro P

更新日期：2013-12-20 00:00:00

abstract：BACKGROUND:Chinese hamster ovary (CHO) cells have become the host of choice for the production of recombinant proteins, due to their capacity for correct protein folding, assembly, and posttranslational modifications. The most widely used system for recombinant proteins is the gene amplification procedure that uses the...

journal_title：BMC biotechnology

authors： Jamnikar U,Nikolic P,Belic A,Blas M,Gaser D,Francky A,Laux H,Blejec A,Baebler S,Gruden K

更新日期：2015-10-23 00:00:00

abstract：BACKGROUND:The presence of coliform bacteria is routinely assessed to establish the microbiological safety of water supplies and raw or processed foods. Coliforms are a group of lactose-fermenting Enterobacteriaceae, which most likely acquired the lacZ gene by horizontal transfer and therefore constitute a polyphyletic...

journal_title：BMC biotechnology

authors： Molina F,López-Acedo E,Tabla R,Roa I,Gómez A,Rebollo JE

更新日期：2015-06-04 00:00:00

abstract：BACKGROUND:There is an imperative necessity for alternative sources of energy able to reduce the world dependence of fossil oil. One of the most successful options is ethanol obtained mainly from sugarcane and corn fermentation. The foremost residue from sugarcane industry is the bagasse, a rich lignocellulosic raw mat...

journal_title：BMC biotechnology

authors： Robl D,Delabona Pda S,Mergel CM,Rojas JD,Costa Pdos S,Pimentel IC,Vicente VA,da Cruz Pradella JG,Padilla G

更新日期：2013-10-31 00:00:00

abstract：BACKGROUND:Tetanus neurotoxin (TeNT) is taken up at nerve terminals and undergoes retrograde migration. The toxic properties of TeNT reside in the toxin light chain (L), but like complete TeNT, the TeNT heavy chain (TTH) and the C-terminal domain (TTC) alone can bind and enter into neurons. Here, we explored whether at...

journal_title：BMC biotechnology

authors： Watanabe Y,Matsuba T,Nakanishi M,Une M,Hanajima R,Nakashima K

更新日期：2018-06-11 00:00:00

abstract：BACKGROUND:β-Fructofuranosidases (or invertases) catalyse the commercially-important biotransformation of sucrose into short-chain fructooligosaccharides with wide-scale application as a prebiotic in the functional foods and pharmaceutical industries. RESULTS:We identified a β-fructofuranosidase gene (CmINV) from a Ce...

journal_title：BMC biotechnology

authors： van Wyk N,Trollope KM,Steenkamp ET,Wingfield BD,Volschenk H

更新日期：2013-11-14 00:00:00

abstract：BACKGROUND:More than a dozen of fungal immunomodulatory proteins (FIPs) have been identified to date, most of which are from Ganoderma species. However, little is known about the similarities and differences between different Ganoderma FIPs' bioactivities. In the current study, two FIP genes termed FIP-gap1 and FIP-gap...

journal_title：BMC biotechnology

authors： Qu ZW,Zhou SY,Guan SX,Gao R,Duan ZW,Zhang X,Sun WY,Fan WL,Chen SS,Chen LJ,Lin JW,Ruan YY

更新日期：2018-12-14 00:00:00

abstract：BACKGROUND:Shark heavy chain antibody, also called new antigen receptor (NAR), consists of one single Variable domain (VH), containing only two complementarity-determining regions (CDRs). The antigen binding affinity and specificity are mainly determined by these two CDRs. The good solubility, excellent thermal stabili...

journal_title：BMC biotechnology

authors： Liu JL,Anderson GP,Goldman ER

更新日期：2007-11-19 00:00:00

abstract：BACKGROUND:A method for inhibiting the expression of particular genes using external guide sequences (EGSs) has been developed in bacteria, mammalian cells and maize cells. RESULTS:To examine whether EGS technology can be used to down-regulate gene expression in Caenorhabditis elegans (C. elegans), we generated EGS-Ng...

journal_title：BMC biotechnology

authors： Yan Q,Zhao R,Zheng W,Yin C,Zhang B,Ma W

更新日期：2009-05-20 00:00:00

abstract：BACKGROUND:Iron is an essential element in several pathways of microbial metabolism, and therefore low iron toxicity is expected on the usage of Fe nanoparticles (NPs). This study aims to determine the effect of Fe NPs on biosurfactant production by marine actinobacterium Nocardiopsis sp. MSA13A under solid state cultu...

journal_title：BMC biotechnology

authors： Kiran GS,Nishanth LA,Priyadharshini S,Anitha K,Selvin J

更新日期：2014-05-21 00:00:00

abstract：BACKGROUND:Plants are increasingly being examined as alternative recombinant protein expression systems. Recombinant protein expression levels in plants from Tobacco mosaic virus (TMV)-based vectors are much higher than those possible from plant promoters. However the common TMV expression vectors are costly, and at ti...

journal_title：BMC biotechnology

authors： Lindbo JA

更新日期：2007-08-27 00:00:00

abstract：BACKGROUND:Heat-stable antifungal factor (HSAF) is a newly identified broad-spectrum antifungal antibiotic from the biocontrol agent Lysobacter enzymogenes and is regarded as a potential biological pesticide, due to its novel mode of action. However, the production level of HSAF is quite low, and little research has re...

journal_title：BMC biotechnology

authors： Tang B,Sun C,Zhao Y,Xu H,Xu G,Liu F

更新日期：2018-10-24 00:00:00

abstract：BACKGROUND:Fungal laccases are multicopper oxidases with huge applicability in different sectors. Here, we describe the development of a set of high-throughput colorimetric assays for screening laccase libraries in directed evolution studies. RESULTS:Firstly, we designed three colorimetric assays based on the oxidatio...

journal_title：BMC biotechnology

authors： Pardo I,Chanagá X,Vicente AI,Alcalde M,Camarero S

更新日期：2013-10-26 00:00:00

abstract：BACKGROUND:Xenoantigens are a major source of concern with regard to the success of interspecific xenografts. GGTA1 encodes α1,3-galactosyltransferase, which is essential for the biosynthesis of galactosyl-alpha 1,3-galactose, the major xenoantigen causing hyperacute rejection. GGTA1-modified pigs, therefore, are promi...

journal_title：BMC biotechnology

authors： Tanihara F,Hirata M,Nguyen NT,Sawamoto O,Kikuchi T,Doi M,Otoi T

更新日期：2020-08-18 00:00:00

abstract：BACKGROUND:Heparan sulfate glycosaminoglycans are diverse components of certain proteoglycans and are known to interact with growth factors as a co-receptor necessary to induce signalling and growth factor activity. In this report we characterize heterogeneously glycosylated recombinant human perlecan domain 1 (HSPG2 a...

journal_title：BMC biotechnology

authors： Ellis AL,Pan W,Yang G,Jones K,Chuang C,Whitelock JM,DeCarlo AA

更新日期：2010-09-09 00:00:00

abstract：BACKGROUND:Expression vector engineering technology is one of the most convenient and timely method for cell line development to meet the rising demand of novel production cell line with high productivity. Destabilization of dihydrofolate reductase (dhfr) selection marker by addition of AU-rich elements and murine orni...

journal_title：BMC biotechnology

authors： Chin CL,Chin HK,Chin CS,Lai ET,Ng SK

更新日期：2015-06-02 00:00:00

abstract：BACKGROUND:Arachidonic acid (ARA, C20:4, n-6), which belongs to the omega-6 series of polyunsaturated fatty acids and has a variety of biological activities, is commercially produced in Mortierella alpina. Dissolved oxygen or oxygen utilization efficiency is a critical factor for Mortierella alpina growth and arachidon...

journal_title：BMC biotechnology

authors： Zhang H,Feng Y,Cui Q,Song X

更新日期：2017-08-30 00:00:00

abstract：BACKGROUND:Thermally stable α-L-rhamnosidase with cleaving terminal α-L-rhamnose activity has great potential in industrial application. Therefore, it is necessary to find a proper method to improve the thermal stability of α-L-rhamnosidase. RESULTS:In this study, addition of sorbitol has been found to increase the th...

journal_title：BMC biotechnology

authors： Ge L,Chen A,Pei J,Zhao L,Fang X,Ding G,Wang Z,Xiao W,Tang F

更新日期：2017-02-27 00:00:00

abstract：BACKGROUND:MicroRNAs are important regulators of gene expression at the post-transcriptional level and play an important role in many biological processes. Due to the important biological role it is of great interest to quantitatively determine their expression level in different biological settings. RESULTS:We descri...

journal_title：BMC biotechnology

authors： Balcells I,Cirera S,Busk PK

更新日期：2011-06-25 00:00:00

abstract：BACKGROUND:There is an increasing need to understand cell-cell interactions for cell and tissue engineering purposes, such as optimizing cell sheet constructs, as well as for examining adhesion defect diseases. For cell-sheet engineering, one major obstacle to sheet function is that cell sheets in suspension are fragil...

journal_title：BMC biotechnology

authors： Wei Q,Reidler D,Shen MY,Huang H

更新日期：2013-02-26 00:00:00

abstract：BACKGROUND:Mesenchymal stem cells (MSCs) are of great interest in bone regenerative medicine due to their osteogenic potential and trophic effects. However, challenges to large-scale production of MSCs can hinder the translation of MSC therapies. 3D Microcarrier (MC)-based MSC culture presents a scalable and cost-effec...

journal_title：BMC biotechnology

authors： Shekaran A,Sim E,Tan KY,Chan JK,Choolani M,Reuveny S,Oh S

更新日期：2015-10-31 00:00:00

abstract：BACKGROUND:The safety of mutagenized and genetically transformed plants remains a subject of scrutiny. Data gathered and communicated on the phenotypic and molecular variation induced by gene transfer technologies will provide a scientific-based means to rationally address such concerns. In this study, genomic structur...

journal_title：BMC biotechnology

authors： Anderson JE,Michno JM,Kono TJ,Stec AO,Campbell BW,Curtin SJ,Stupar RM

更新日期：2016-05-12 00:00:00

abstract：BACKGROUND:Transformed cells of Escherichia coli DH5-alpha with pGFPuv, induced by IPTG (isopropyl-beta-d-thiogalactopyranoside), express the green fluorescent protein (gfpuv) during growth phases. E. coli subjected to the combination of selective permeation by freezing/thawing/sonication cycles followed by the three-p...

journal_title：BMC biotechnology

authors： Vessoni Penna TC,Ishii M

更新日期：2002-04-24 00:00:00

abstract：BACKGROUND:Interleukin-17 (IL-17), the characteristic cytokine secreted by T helper 17 lymphocytes (Th17 cells), plays a pivotal role in host defense and many inflammatory or autoimmune diseases. The aim of this study was to obtain purified protein caprine IL-17A (cIL-17A) as an antigen for preparing an IL-17A-specific...

journal_title：BMC biotechnology

authors： Gao Y,Sang FF,Meng L,Wang Y,Ma WT,Chen K

更新日期：2019-07-17 00:00:00