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Shuai Jin et al.
Molecular cell, 79(5), 728-740 (2020-07-30)
Cytosine base editors (CBEs) generate C-to-T nucleotide substitutions in genomic target sites without inducing double-strand breaks. However, CBEs such as BE3 can cause genome-wide off-target changes via sgRNA-independent DNA deamination. By leveraging the orthogonal R-loops generated by SaCas9 nickase to
"(Un) suitability of the use of pH buffers in biological, biochemical and environmental studies and their interaction with metal ions-a review.
Ferreira, Carlos MH, et al.
Royal Society of Chemistry Advances, 5 (39), 30989-31003 (2015)
Kenji Sugioka et al.
Developmental cell, 46(3), 257-270 (2018-07-24)
Cell division axes during development are specified in different orientations to establish multicellular assemblies, but the mechanisms that generate division axis diversity remain unclear. We show here that patterns of cell contact provide cues that diversify cell division orientation by
Baoda Han et al.
Plant physiology, 182(2), 1052-1065 (2019-12-07)
Plasma membrane (PM) depolarization functions as an initial step in plant defense signaling pathways. However, only a few ion channels/transporters have been characterized in the context of plant immunity. Here, we show that the Arabidopsis (Arabidopsis thaliana) Na+:K+:2Cl- (NKCC) cotransporter
Morten Egevang Jørgensen et al.
Bio-protocol, 7(20), e2581-e2581 (2017-10-20)
Xenopus laevis oocytes are a widely used model system for characterization of heterologously expressed secondary active transporters. Historically, researchers have relied on detecting transport activity by measuring accumulation of radiolabeled substrates by scintillation counting or of fluorescently labelled substrates by
Good, Norman E. et al.
Biochemistry, 5, 467- 477 (1966)
Takehiro Yokota et al.
Proteins, 66(2), 272-278 (2006-10-28)
Human JNK stimulatory phosphatase-1 (JSP-1) is a novel member of dual specificity phosphatases. A C-terminus truncated JSP-1 was expressed in Escherichia coli and was crystallized using the sitting-drop vapor diffusion method. Thin-plate crystals obtained at 278 K belong to a
Jessica R Ray et al.
ACS applied materials & interfaces, 7(21), 11117-11126 (2015-05-06)
Polyamide (PA) semipermeable membranes typically used for reverse osmosis water treatment processes are prone to fouling, which reduces the amount and quality of water produced. By synergistically coupling the photothermal and bactericidal properties of graphene oxide (GO) nanosheets, gold nanostars
Susann K J Ludwig et al.
Analytical and bioanalytical chemistry, 406(27), 6857-6866 (2014-06-29)
Current contaminant and residue monitoring throughout the food chain is based on sampling, transport, administration, and analysis in specialized control laboratories. This is a highly inefficient and costly process since typically more than 99% of the samples are found to
Christian Engelbrekt et al.
Chemphyschem : a European journal of chemical physics and physical chemistry, 11(13), 2844-2853 (2010-08-18)
Monodisperse platinum nanoparticles (PtNPs) were synthesized by a green recipe. Glucose serves as a reducing agent and starch as a stabilization agent to protect the freshly formed PtNP cores in buffered aqueous solutions. Among the ten buffers studied, 2-(N-morpholino)ethanesulfonic acid
Kefang Xie et al.
Acta crystallographica. Section D, Biological crystallography, 61(Pt 10), 1386-1394 (2005-10-06)
The NNA7 Fab antibody fragment recognizes the human N-type blood-group antigen comprised of the N-terminal glycopeptide of glycophorin A (GPA). A mutant form of this Fab fragment, NNA7-G91S, exhibits markedly reduced antigen binding. To provide insight into how these Fab
Mathieu Cayla et al.
PLoS pathogens, 10(9), e1004347-e1004347 (2014-09-19)
Protozoan pathogens of the genus Leishmania have evolved unique signaling mechanisms that can sense changes in the host environment and trigger adaptive stage differentiation essential for host cell infection. The signaling mechanisms underlying parasite development remain largely elusive even though
Matthew J Townsend et al.
mAbs, 7(5), 812-819 (2015-07-16)
A micro-capillary film has been developed that offers the potential for an at-line analytical tool for rapid aggregate analysis during biopharmaceutical antibody production. A non-porous walled micro-capillary film (NMCF) with cation exchange functionality was demonstrated to act as a chromatography
Rosanna Pescini Gobert et al.
Molecular and cellular biology, 29(6), 1538-1553 (2009-01-14)
Inadequate remyelination of brain white matter lesions has been associated with a failure of oligodendrocyte precursors to differentiate into mature, myelin-producing cells. In order to better understand which genes play a critical role in oligodendrocyte differentiation, we performed time-dependent, genome-wide
Gertie C A M Bokken et al.
BMC veterinary research, 8, 36-36 (2012-03-29)
A novel, bead-based flow cytometric assay was developed for simultaneous determination of antibody responses against Toxoplasma gondii and Trichinella spiralis in pig serum. This high throughput screening assay could be an alternative for well known indirect tests like ELISA. One
Guilhem Reyt et al.
Current biology : CB, 30(20), 4103-4111 (2020-08-29)
Casparian strips (CSs) are cell wall modifications of vascular plants restricting extracellular free diffusion into and out of the vascular system [1]. This barrier plays a critical role in controlling the acquisition of nutrients and water necessary for normal plant
Tomoya Narawa et al.
Biological & pharmaceutical bulletin, 38(4), 545-551 (2015-04-04)
The stereoselective transport of methotrexate (L-amethopterin, L-MTX) and its enantiomer (D-amethopterin, D-MTX) by the rat proton-coupled folate transporter (rPCFT) were examined using rPCFT-expressing HEK293 cells. The initial rate of uptake of [3H]-L-MTX by the rPCFT followed Michaelis-Menten kinetics, with a
Xu Yu et al.
Biosensors & bioelectronics, 66, 520-526 (2014-12-17)
A novel highly sensitive colorimetric assay for DNA detection using cascade amplification strategy based on hybridization chain reaction and enzyme-induced metallization was established. The DNA modified superparamagnetic beads were demonstrated to capture and enrich the target DNA in the hybridization
Youssef Abdalla et al.
Journal of nanobiotechnology, 19(1), 60-60 (2021-02-28)
Approximately 80% of brain tumours are gliomas. Despite treatment, patient mortality remains high due to local metastasis and relapse. It has been shown that transferrin-functionalised porous silicon nanoparticles (Tf@pSiNPs) can inhibit the migration of U87 glioma cells. However, the underlying
Ekta G Ahuja et al.
Acta crystallographica. Section D, Biological crystallography, 60(Pt 6), 1129-1131 (2004-05-26)
Phenazines are broad-spectrum antibiotic metabolites produced by organisms such as Pseudomonas and Streptomyces. Phenazines have been shown to enhance microbial competitiveness and the pathogenic potential of the organisms that synthesize them. PhzA (163 residues, approximate molecular weight 18.7 kDa) is
Pasi S Vuorinen et al.
Journal of chromatography. A, 990(1-2), 45-52 (2003-04-11)
A contactless conductivity detector integrated into the capillary cassette of Agilent (3D)CE equipment is described. The detector is user-friendly, compact and easily modified. The UV detector of the (3D)CE equipment is available parallel with the contactless conductivity detector increasing the
Wanlu Du et al.
Cell reports, 37(3), 109848-109848 (2021-10-24)
During tumor progression, lysosome function is often maladaptively upregulated to match the high energy demand required for cancer cell hyper-proliferation and invasion. Here, we report that mucolipin TRP channel 1 (TRPML1), a lysosomal Ca2+ and Zn2+ release channel that regulates
Kevin Wiehe et al.
Cell host & microbe, 23(6), 759-765 (2018-06-05)
HIV-1 broadly neutralizing antibodies (bnAbs) require high levels of activation-induced cytidine deaminase (AID)-catalyzed somatic mutations for optimal neutralization potency. Probable mutations occur at sites of frequent AID activity, while improbable mutations occur where AID activity is infrequent. One bottleneck for induction of
Elisabet Fuguet et al.
Electrophoresis, 29(13), 2841-2851 (2008-06-12)
The performance of the most common and also some other less common CE buffers has been tested for the pKa determination of several types of compounds (pyridine, amines, and phenols). The selected buffers cover a pH ranging from 3.7 to
Davide Gambarotto et al.
Nature methods, 16(1), 71-74 (2018-12-19)
Determining the structure and composition of macromolecular assemblies is a major challenge in biology. Here we describe ultrastructure expansion microscopy (U-ExM), an extension of expansion microscopy that allows the visualization of preserved ultrastructures by optical microscopy. This method allows for
Minsoo Kim et al.
Bio-protocol, 7(14), e2405-e2405 (2017-07-20)
It is well-established that plants are able to acclimate to temperatures above or below the optimal temperature for their growth. Here, we provide protocols for assays that can be used quantitatively or qualitatively to assess the relative ability of plants
Tongqing Zhou et al.
Cell host & microbe, 28(6), 867-879 (2020-12-04)
The SARS-CoV-2 spike employs mobile receptor-binding domains (RBDs) to engage the human ACE2 receptor and to facilitate virus entry, which can occur through low-pH-endosomal pathways. To understand how ACE2 binding and low pH affect spike conformation, we determined cryo-electron microscopy
M Mirazul Islam et al.
Acta biomaterialia, 12, 70-80 (2014-12-03)
The implant-host interface is a critical element in guiding tissue or organ regeneration. We previously developed hydrogels comprising interpenetrating networks of recombinant human collagen type III and 2-methacryloyloxyethyl phosphorylcholine (RHCIII-MPC) as substitutes for the corneal extracellular matrix that promote endogenous
Padmavati Venkataraman et al.
The Journal of biological chemistry, 280(22), 21463-21472 (2005-03-24)
The influenza virus M2 proton-selective ion channel activity facilitates virus uncoating, a process that occurs in the acidic environment of the endosome. The M2 channel causes acidification of the interior of the virus particle, which results in viral protein-protein dissociation.
Yue-Hua Dou et al.
Electrophoresis, 23(20), 3558-3566 (2002-11-02)
Separation and direct detection of amino acids, glucose and peptide in a 3.1 cm separation channel made of poly(dimethylsiloxane) (PDMS) with end-column amperometric detection at a copper microdisk electrode was developed. This system is the integration of a normal sized
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