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Piotr Bielecki et al.
Nucleic acids research, 43(13), 6413-6425 (2015-06-18)
Two-component systems (TCS) serve as stimulus-response coupling mechanisms to allow organisms to adapt to a variety of environmental conditions. The opportunistic pathogen Pseudomonas aeruginosa encodes for more than 100 TCS components. To avoid unwanted cross-talk, signaling cascades are very specific
Karel Horňák et al.
Journal of chromatography. A, 1365, 115-123 (2014-09-23)
The concentrations of free neutral carbohydrates and amino sugars were determined in freshwater samples of distinct matrix complexity, including meso-, eu- and dystrophic lakes and ponds, using high-performance ion-exclusion chromatography (HPIEC) coupled to mass spectrometry (MS). In contrast to other
Alvaro Mongui et al.
Malaria journal, 14, 233-233 (2015-06-05)
The chemical treatment of Plasmodium falciparum for human infections is losing efficacy each year due to the rise of resistance. One possible strategy to find novel anti-malarial drugs is to access the largest reservoir of genomic biodiversity source on earth
Huiling Li et al.
Bioresource technology, 176, 242-248 (2014-12-03)
The conversion of xylose, water-insoluble hemicelluloses (WIH) and water-soluble fraction (WSF) of corncob to furfural was performed using montmorillonite with tin ions (Sn-MMT) containing double acid sites as a solid acid catalyst. The co-existence of Lewis acids and Brønsted acids
Aaron Noyes et al.
Vaccine, 32(24), 2819-2828 (2014-03-01)
The rapid development of purification processes for polysaccharide vaccines is constrained by a lack of analytical tools current technologies for the measurement of polysaccharide recovery and process-related impurity clearance are complex, time-consuming, and generally not amenable to high throughput process
Wang Ruijun et al.
International journal of biological macromolecules, 72, 771-775 (2014-09-30)
A water-soluble polysaccharide, named as JRP1, was extracted and fractioned from the epicarp of immature fruit of Juglans mandshurica Maxim. The determination of the monosaccharide composition in JRP1 with gas chromatography (GC) showed that JRP1 was composed of Gal (43.1%)
S Osaki et al.
The Journal of nutrition, 131(3), 796-799 (2001-03-10)
L-Arabinose is a natural, poorly absorbed pentose that selectively inhibits intestinal sucrase activity. To investigate the effects of L-arabinose feeding on lipogenesis due to its inhibition of sucrase, rats were fed 0-30 g sucrose/100 g diets containing 0-1 g L-arabinose/100
Chetan V Jawale et al.
Vaccine, 32(50), 6776-6782 (2014-12-03)
A novel, regulatory E-lysis cassette was used in this study to avoid the untimely expression of lysis gene E and to achieve stable and improved production of Salmonella Gallinarum (SG) ghosts. A prime-booster immunization strategy using these ghosts was subsequently
Cynthia L Richard-Fogal et al.
Journal of bacteriology, 190(10), 3489-3493 (2008-03-11)
The system I cytochrome c biogenesis pathway requires CcmD, a small polypeptide of 69 residues in Escherichia coli. Here it is shown that CcmD is a component of the CcmABC ATP-binding cassette transporter complex. CcmD is not necessary for the
Jin Hur et al.
Veterinary immunology and immunopathology, 164(3-4), 101-109 (2015-02-26)
In this study, a comparative evaluation between a Salmonella ghost vaccine expressing enterotoxigenic Escherichia coli (ETEC) fimbrial antigens and a commercial ETEC vaccine was conducted in neonatal piglets. Genes encoding the ETEC K88ab, K88ac, K99, FasA, and F41 fimbrial proteins
Koen J T Venken et al.
Nucleic acids research, 36(18), e114-e114 (2008-08-05)
Studying gene function in the post-genome era requires methods to localize and inactivate proteins in a standardized fashion in model organisms. While genome-wide gene disruption and over-expression efforts are well on their way to vastly expand the repertoire of Drosophila
Maiko Furubayashi et al.
Nature communications, 6, 7534-7534 (2015-07-15)
Synthetic biology aspires to construct natural and non-natural pathways to useful compounds. However, pathways that rely on multiple promiscuous enzymes may branch, which might preclude selective production of the target compound. Here, we describe the assembly of a six-enzyme pathway
Zhengkui Zhang et al.
Molecular cell, 79(2), 304-319 (2020-07-18)
Accurate regulation of innate immunity is necessary for the host to efficiently respond to invading pathogens and avoid excessive harmful immune pathology. Here we identified OTUD3 as an acetylation-dependent deubiquitinase that restricts innate antiviral immune signaling. OTUD3 deficiency in mice
Yannick R Brunet et al.
PLoS genetics, 11(10), e1005545-e1005545 (2015-10-16)
The Type VI secretion system (T6SS) is a widespread weapon dedicated to the delivery of toxin proteins into eukaryotic and prokaryotic cells. The 13 T6SS subunits assemble a cytoplasmic contractile structure anchored to the cell envelope by a membrane-spanning complex.
Jiahui Wu et al.
The Biochemical journal, 464(1), 13-22 (2014-08-29)
Ca2+ is a key intermediary in a variety of signalling pathways and undergoes dynamic changes in its cytoplasmic concentration due to release from stores within the endoplasmic reticulum (ER) and influx from the extracellular environment. In addition to regulating cytoplasmic
Jin Qi et al.
Chemical & pharmaceutical bulletin, 63(3), 187-194 (2015-03-12)
Two new steroidal glycosides (1 and 2), together with 15 known compounds (3-17) were isolated from the fibrous roots of Ophiopogon japonicus, and three new steroidal glycosides (18-20), together with 14 known compounds (21-34) were isolated from the fibrous roots
Qing Fang et al.
Carbohydrate polymers, 134, 66-73 (2015-10-03)
In this work, a novel water-soluble homogeneous polysaccharide (LJP-31) with a molecular mass of 2.24 × 10(6) Da was isolated and purified from Laminaria japonica using DEAE-cellulose and Sephacryl S500 chromatography. Results showed that LJP-31 mainly consists of arabinose, mannose
Marta F Gabriel et al.
Immunobiology, 220(7), 851-858 (2015-02-07)
It is well known that Alternaria alternata presents a significant level of allergenic cross-reactivity with several other phylogenetically related and non-related allergenic moulds. To improve the molecular diagnosis, the identification and characterisation of all clinically relevant allergens, including both species-specific
Jiahui Wu et al.
Nature communications, 5, 5262-5262 (2014-11-02)
The introduction of calcium ion (Ca(2+)) indicators based on red fluorescent proteins (RFPs) has created new opportunities for multicolour visualization of intracellular Ca(2+) dynamics. However, one drawback of these indicators is that they have optimal two-photon excitation outside the near-infrared
Xinchang Shi et al.
Molecular medicine reports, 12(3), 4669-4677 (2015-06-18)
The present study aimed to develop a symbiotic selection-marker-free plasmid and host system that would allow successful plasmid maintenance and amplification for use in gene therapy. Initially, the chromosomal aspartate‑semialdehyde dehydrogenase (asd) gene was disrupted in DH10B Escherichia coli using
M Tokuda et al.
Connective tissue research, 56(1), 44-49 (2014-11-06)
To examine the responses of mouse odontoblast-lineage cell line (OLC) cultures to xylitol-induced hypertonic stress. OLCs were treated with xylitol, sucrose, sorbitol, mannitol, arabinose and lyxose. Cell viability was evaluated using the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium assay. The expression of transient receptor
Chen Chen et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 969, 171-180 (2014-09-01)
One challenge facing the purification of therapeutic glycoproteins by affinity chromatography is creating ligands specific for the glycan moiety. Affinity chromatography of glycoproteins is currently conducted with immobilized lectins or boronates, although biomimetic ligands could present a more desirable option.
Jingen Li et al.
Applied and environmental microbiology, 81(12), 4062-4070 (2015-04-05)
Limited uptake is one of the bottlenecks for l-arabinose fermentation from lignocellulosic hydrolysates in engineered Saccharomyces cerevisiae. This study characterized two novel l-arabinose transporters, LAT-1 from Neurospora crassa and MtLAT-1 from Myceliophthora thermophila. Although the two proteins share high identity
James D Oliver et al.
Biotechnology and applied biochemistry, 62(3), 329-342 (2014-07-22)
Free-solution capillary electrophoresis (CE), or capillary zone electrophoresis, with direct UV detection was used for the first time for the determination of mono- and disaccharides, sugar alcohols, and ethanol in fermentation broths. Sample preparation proved to be minimal: no derivatization
Martín A Rossotti et al.
Analytical chemistry, 87(23), 11907-11914 (2015-11-07)
Single domain heavychain binders (nanobodies) obtained from camelid antibody libraries hold a great promise for immunoassay development. However, there is no simple method to select the most valuable nanobodies from the crowd of positive clones obtained after the initial screening.
Ahyun Son et al.
RNA biology, 12(11), 1198-1208 (2015-10-31)
It is one of the fundamental questions in biology how proteins efficiently fold into their native conformations despite off-pathway events such as misfolding and aggregation in living cells. Although molecular chaperones have been known to assist the de novo folding
Patricia Bonin et al.
Environmental science and pollution research international, 22(20), 15347-15359 (2015-01-07)
The impact of petroleum contamination and of burrowing macrofauna on abundances of Marinobacter and denitrifiers was tested in marine sediment mesocoms after 3 months incubation. Quantification of this genus by qPCR with a new primer set showed that the main
Sirinan Shompoosang et al.
Bioscience, biotechnology, and biochemistry, 78(2), 317-325 (2014-07-19)
6-Deoxy-L-glucose, 6-deoxy-L-altrose, and 6-deoxy-L-allose were produced from L-rhamnose with an immobilized enzyme that was partially purified (IE) and an immobilized Escherichia coli recombinant treated with toluene (TT). 6-Deoxy-L-psicose was produced from L-rhamnose by a combination of L-rhamnose isomerase (TT-PsLRhI) and
Maurizio Bettiga et al.
Biotechnology for biofuels, 1(1), 16-16 (2008-10-25)
Ethanolic fermentation of lignocellulosic biomass is a sustainable option for the production of bioethanol. This process would greatly benefit from recombinant Saccharomyces cerevisiae strains also able to ferment, besides the hexose sugar fraction, the pentose sugars, arabinose and xylose. Different
Zeus Saldaña et al.
PloS one, 9(7), e101200-e101200 (2014-07-19)
Uropathogenic Escherichia coli (UPEC) strains cause urinary tract infections and employ type 1 and P pili in colonization of the bladder and kidney, respectively. Most intestinal and extra-intestinal E. coli strains produce a pilus called E. coli common pilus (ECP)
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